СИСТЕМА УПРАВЛЕНИЯ ВЫРАБОТКОЙ ЭЛЕКТРИЧЕСКОЙ ЭНЕРГИИ

Использование: в области электротехники. Технический результат - повышение надежности. Система управления выработкой электрической энергии включает энергоблоки, подключенные в сеть по параллельной схеме и включающие силовую установку, электрический генератор, выключатели, программируемые средства управления и защиты. К электрической сети параллельно энергоблокам подключено, по меньшей мере, одно активное нагрузочное устройство. Программируемые средства управления и защиты включают микропроцессорную систему возбуждения с преобразователем на биполярных транзисторах с изолированным затвором, контроллер автоматической регулировки усиления и контроллер дифференциальной защиты электрического генератора. Контроллеры соединены между собой и с микропроцессорной системой возбуждения, выключателями и станционным компьютером управления энергоблоками, являющимся оконечным пунктом двустороннего беспроводного канала связи с диспетчерским компьютером удаленного управления и контроля энергоблоков. 14 з.п ...

Способ сохранения ресурса силовых трансформаторов двухтрансформаторной подстанции

Изобретение относится к электротехнике, а именно к автоматике электрических сетей. Технический результат заключается в сохранении ресурса силовых трансформаторов двухтрансформаторной подстанции и предотвращении необоснованных перерывов в электроснабжении потребителей. Способ сохранения ресурса силовых трансформаторов двухтрансформаторной подстанции заключается в контроле значения электрических параметров и измерении времени их протекания. Измеряют значение и время протекания мощности через первый и второй силовые трансформаторы двухтрансформаторной подстанции, а также температуру первого и второго трансформатора. Если мощность, протекающая через один из трансформаторов, превышает номинальную, то определяют уровень этого превышения (перегрузки). Начинают отсчет допустимого времени работы трансформатора с указанным уровнем перегрузки, контролируют температуру данного трансформатора. Если в момент окончания отсчета перегрузка трансформатора не устранилась или если температура трансформатора ...

КОМПЬЮТЕРИЗОВАННАЯ СИСТЕМА ДЛЯ УПРАВЛЕНИЯ РАБОТОЙ ЭЛЕКТРИЧЕСКОЙ РАСПРЕДЕЛИТЕЛЬНОЙ СЕТИ, СПОСОБ НАСТРОЙКИ, НОСИТЕЛЬ ИНФОРМАЦИИ И КОМПЬЮТЕРИЗОВАННЫЙ МОДУЛЬ НАСТРОЙКИ

Power distribution control with asset assimilation

Control of multiple energy storages in a microgrid

The present disclosure relates to a method performed by a network controller 4 of an electrical microgrid 1 comprising a plurality of energy storages 2. Each of the energy storages is associated with a respective storage controller 3. The method comprises receiving information about a measurement made at a remote location RL in the microgrid. The method also comprises obtaining respective participation factors in respect of the remote location for each of at least a first energy storage 2a and a second energy storage 2b of the plurality of energy storages. The method also comprises obtaining respective states of charge of each of said at least first and second energy storages. The method also comprises, for each of the at least first and second energy storages, calculating a reference value for the energy storage 2a or 2b, and sending the reference value to the storage controller 3a or 3b with which the energy storage is associated. The calculating comprises calculating the reference value ...

A system of battery assemblies

A SYSTEM OF BATTERY ASSEMBLIES There is provided a system comprising a plurality of battery assemblies. Each battery assembly comprises power storage that can be charged and control electronics and communication means. Each battery assembly is configured to act as a local hub for local DC power demand monitoring; and a local DC power supply for DC loads. A method is provided for installing the system by co-locating a battery assembly near an energy meter and consumer unit and connecting the battery assembly to re-use existing lighting circuit wiring. A battery assembly for use in a distributed battery system of further battery assemblies is also provided. The battery system can receive electrical power from a power source and comprises electrical power storage, power electronics, control electronics and communication means. The control and communication means is configured to receive data and charge the electrical power storage. A method for installing the battery assembly is also provided ...

PCS for ESS and PCS operating method

According to the present invention, provided is a failure processing method for a microgrid including ESS, the microgrid comprising a plurality of distributed power sources, a plurality of distributed loads, lines connecting the distributed power sources and the distributed loads, and an ESS for storing power supplied from all or some of the distributed power sources and providing stored power to all or some of the distributed loads. The failure processing method can comprise the steps of: cutting-off the distributed power sources and a PCS for ESS in charge of the ESS when a microgrid system detects a failure; connecting the PCS for ESS to the microgrid; determining a location where failure has occurred while gradually increasing a voltage outputted from the PCS for ESS; and cutting-off the location where the failure has occurred and increasing the voltage outputted from the PCS for ESS up to a normal operation level.

Aggregation of distributed generation resources

AGGREGATION OF DISTRIBUTED GENERATION RESOURCES

Control of multiple fuel cell power plant

Audit method and system and supply method and system for PV power injection and consumption in a power grid system

A method of supplying power in a power grid, a system supplying power in a power grid, a method of consolidating power injection and consumption in a power grid, a system for consolidating power injection and consumption in a power grid, a metering system for a power grid, and a metering method for a power grid. The method of supplying power in a power grid, the method comprises determining an initial forward probabilistic power supply time profile of an aggregate intermittent power source connected to the power grid,; determining a target power demand time profile of at least one load connected to the power grid; and associating at least respective portions of the initial forward probabilistic power supply time profile and the target demand time profile such that a probability of supply of power from the intermittent power source to the load meets a specified criterion.

Hierarchical and distributed power grid control

A control node enables distributed grid control. The control node monitors power generation and power demand at a point of common coupling (PCC) between a utility power grid and all devices downstream from the PCC. The control node can have one or more consumer nodes, which can be or include customer premises, and one or more energy sources connected downstream. The control node monitors and controls the interface via the PCC from the same side of the PCC as the power generation and power demand. The control can include adjusting the interface between the control node and the central grid management via the PCC to maintain compliance with grid regulations at the PCC.

Power system and method of starting multiple power converters in grid forming mode

A power system and method for performing a blackstart on a microgrid. The power system includes at least a first power converter (130) and a second power converter (140). The first power converter comprises a first controller (230) having a plurality of startup sequences for performing the blackstart. The second power converter is electrically coupled to the first power converter at a point of common coupling (180). During the blackstart, the first controller is configured to select and perform one of the plurality of startup sequences according to a point at which the second power converter is within the second power converter's startup sequence during the blackstart. The first controller selects the one of the plurality of startup sequences according to a microgrid voltage at the point of common coupling.

SYSTEMS AND METHODS FOR ERROR MONITORING AND HANDLING IN CONTROL SYSTEMS

In a first embodiment, a system for controlling a microgrid includes a processor-based control system. The control system is configured to receive information via a communications pathway from at least one microgrid asset within a microgrid system and identify one or more errors associated with an operation of the microgrid system. In addition, the control system is configured to respond to the one or more identified errors with one or more actions. Each identified error from the one or more identified errors is associated with at least one action from the one or more actions. Further, control system is configured to generate an optimal dispatch schedule having one or more control signals configured to control the microgrid operation to reduce cost and to improve an operational efficiency of the microgrid. The optimal dispatch schedule is based at least in part on the response to the one or more identified errors.

ANCILLARY SERVICES NETWORK APPARATUS

An apparatus for providing Ancillary Services to an ISO controls multiple controllable resources over a network in a cost effective manner. The apparatus comprises a central server computer and multiple controllers communicative with the central server computer over a network. Each controller is located at a resource site and controls one or more resource devices. The central server computer has a memory with a program which executes the following operations: receives a services request signal from the ISO such as a Ancillary Services request, which requests a change in power consumed or supplied by the resources on the network; calculates the lowest cost means of delivering the requested Ancillary Services request; and sends setpoint control signals to the controller at each resource site where a change is needed, requesting a change in the operation of each resource device.

Distributed power generation system

METHOD OF DETERMINING MUTUAL VOLTAGE SENSITIVITY COEFFICIENTS BETWEEN A PLURALITY OF MEASURING NODES OF AN ELECTRIC POWER NETWORK

Dynamic distribution router and method for household energy and power generation planning method for household energy

Distributed type grid-connecting system monitoring system and its anti-island protection method

Wireless sensor network-based distributed energy microgrid power control system

System and method for control of power distribution networks

A system for controlling a multi-feed power distribution network 100 is described herein. The network 100 includes a first network sector that includes a first plurality of devices connected to a first power source and a second network sector that includes a second plurality of devices connected to a second power source. The system includes a first controller and a second controller. The first controller 101 is configured to control operation of the first network sector and exchange data with the second controller. The second controller is configured to control operation of the second network sector and exchange data with the first controller. The system is modular and it can be expanded to include additional controllers as necessary. Methods and a computer program product for controlling a multi-feed power distribution network 100 are also described.

POWER DISTRIBUTION SYSTEM SUCH AS ELECTRICAL ENERGY OR THERMAL

L'invention concerne un système de distribution d'énergie, telle que l'énergie électrique ou thermique, du type comprenant au moins une centrale de production d'énergie (CP1-CP3) pourvue d'un automate (AU1-AU3) de gestion de la centrale et susceptible d'être connectée à un réseau de distribution ou de transport d'énergie, et une unité de gestion de la distribution de l'énergie audit réseau de distribution. Le système est caractérisé en ce que chaque centrale de production d'énergie (CP1-CP3) est équipée d'un dispositif d'interface (DI1-DI3) interposé entre l'unité de gestion et l'automate (AU1-AU3) de la centrale et qui comporte, du côté de l'unité de gestion, le même bornier comprenant des bornes de pilotage de la centrale et des bornes d'indication de paramètres de fonctionnement et de l'état de la centrale, qui sont identiques, indépendamment du type de la centrale. L'invention est utilisable pour la distribution d'énergie électrique.

POWER DISTRIBUTION SYSTEM SUCH AS THERMAL OR ELECTRICAL ENERGY OR

SYSTEM AND METHOD FOR REGULATION OF VOLTAGE ON AN ELECTRIC POWER SYSTEM

Building energy storage system with peak load contribution cost optimization

An energy storage system for a building includes a battery and an energy storage controller. The battery is configured to store electrical energy purchased from a utility and to discharge stored electrical energy for use in satisfying a building energy load. The energy storage controller is configured to generate a cost function including a peak load contribution (PLC) term. The PLC term represents a cost based on electrical energy purchased from the utility during coincidental peak hours in an optimization period. The controller is configured to modify the cost function by applying a peak hours mask to the PLC term. The peak hours mask identifies one or more hours in the optimization period as projected peak hours and causes the energy storage controller to disregard the electrical energy purchased from the utility during any hours not identified as projected peak hours when calculating a value for the PLC term.

Systems and Methods for Distributed Synchronization of Micro-grids with Multiple Points of Interconnection

A distributed synchronization method for interconnecting a microgrid with adjacent power grids at multiple points of interconnections. Receiving a request to connect to the microgrid from a first identified adjacent power grid. Synchronization controllers for each generator of the microgrid identify the generator connecting to the point of common coupling between the microgrid and the first adjacent power grid, and assigns the generator as a leader generator. Determining a frequency synchronization correction and a voltage synchronization correction by the synchronization controller of the leader generator, from synchronization parameters received from the first adjacent power grid. Adjusting active and reactive outputs of the follower generators and the leader generator and connecting the first adjacent power grid with the microgrid when a set of predetermined thresholds are satisfied. Reassigning the leader generator as a follower generator after connecting the first adjacent power grid ...

Distributed energy network control system and method

An energy management network according to the present disclosure may include remote distributed energy generation elements, and/or network connected multi element generation groups, and/or network connected energy generation elements. In a currently preferred embodiment, energy generating elements are turbogenerators as described above. An energy management network according to the present disclosure may include one or more Energy Network (EnerNet) Controllers for the purpose of controlling and/or monitoring a network of energy generation units, which work separately or in coordinated activities. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

Dynamic and Integrated Control of Total Power System Using Distributed Impedance Injection Modules and Actuator Devices Within and at the Edge of the Power Grid

A system architecture and method for enabling hierarchical intelligent control with appropriate-speed communication and coordination of control using intelligent distributed impedance/voltage injection modules, local intelligence centers, other actuator devices and miscellaneous FACTS coupled actuator devices is disclosed. Information transfer to a supervisory utility control is enabled for responding to integral power system disturbances, system modelling and optimization. By extending the control and communication capability to the edge of the HV power grid, control of the distribution network through FACTS based Demand response units is also enabled. Hence an integrated and hierarchical total power system control is established with distributed impedance/voltage injection modules, local intelligence centers, connected other actuator devices, miscellaneous FACTS coupled devices and utility supervisory all networked at appropriate speeds allowing optimization of the total power system ...

Power distribution control system with improved responsiveness

A power distribution control system for controlling a plurality of power assets connected to a power grid is provided. The system includes a server which can identify a set of power assets selected from sources, loads, and stores that are to form a string and provide to the string instructions for response to a change in the power grid. The system further includes a router for each of the power assets in the string, for receiving instructions from the server and for controlling the respective power asset. The power assets in the string are selected by the server to have different response times and/or response profiles, such that the string of assets present a collective response to the change, the collective response being defined by the server.

DISPLAY TERMINAL, POWER CONTROL SYSTEM, AND DISPLAY METHOD

A display terminal 10 displays information about a power controlling state of an energy management apparatus 20 capable of communicating with a power conditioner 40 connected to a power generation system 50 and a power storage system 60, a connection device 30 connected to the power conditioner 40 and a commercial power supply 100, and a loading apparatus 80 for receiving power via the power conditioner 40. The display terminal 10 includes: a display unit 12; an input detection unit 14 for detecting an input corresponding to a display; and a control unit 16, when the input corresponding to the display is detected, for obtaining information about the power controlling state associated with the display from the energy management apparatus 20 and controlling the display unit 12 to display the information in a predetermined display mode.

METHOD FOR THE DIRECTED TRANSMISSION OF ENERGY IN THE FORM OF ENERGY PACKETS

METHOD FOR CALCULATING PARAMETERS OF ONE OR MORE ENERGY CONVERSION SYSTEMS

КОМПОНОВКИ ЭЛЕКТРИЧЕСКИХ ГЕНЕРАТОРОВ

... 1. Компоновка электрических генераторов, содержащая распределительную сеть, имеющую первый генератор и второй генератор, причем первый генератор размещен для обеспечения электроэнергии к передающему источнику, второй генератор соединен с распределительной сетью посредством коммутатора для обеспечения возможности изолирования второго генератора, коммутатор связан с компаратором электрической характеристики для сравнения фазы и/или частоты напряжения, обеспечиваемого вторым генератором, с паразитной модуляцией сигнала передатчика из передатчика вследствие изменений в фазе и/или частоте напряжения, обеспечиваемого первым генератором к передатчику, компаратор размещен для функционирования коммутатора для изолирования или соединения второго генератора с распределительной сетью в зависимости от изменения в фазе и/или частоте напряжения, обеспечиваемого вторым генератором, и паразитной модуляции передаваемого сигнала. ! 2. Компоновка по п.1, в которой компаратор является компаратором скорости ...

Gleichstromgekoppeltes Leistungselektroniksystem für ein Brennstoffzellenleistungssystem

Gemäß einigen Ausführungsformen ist die vorliegende Offenbarung auf Systeme mit einer Brennstoffzelle und einem Turbinengenerator, von denen jeder fähig ist, elektrische Leistung an ein Stromversorgungsnetz bereitzustellen, und Verfahren zu deren Betrieb gerichtet. Das System kann einen Haupt-AC-Bus, der mit dem Stromversorgungsnetz koppelbar ist, haben. Die Brennstoffzelle kann durch einen Inverter mit dem Haupt-AC-Bus gekoppelt sein. Der Turbinengenerator kann durch eine Reihe von Invertern, von denen einer den Inverter umfassen kann, durch den die Brennstoffzelle mit dem Haupt-AC-Bus verbunden ist, mit dem Haupt-AC-Bus gekoppelt sein. Eine oder mehrere Lastbänke können bereitgestellt werden, um in dem Fall, in dem das System von dem Stromversorgungsnetz getrennt ist, eine Last für elektrische Leistung bereitzustellen, die von der Brennstoffzelle, dem Turbinengenerator oder Beiden erzeugt wird. Weitere Unterstützungs- und Ersatzsysteme können bereitgestellt werden.

Windenergieanlage

Windenergieanlage mit einem Windrotor mit mindestens einem Rotorblatt, der direkt oder indirekt mit einem Generator zur elektrischen Leistungserzeugung gekoppelt ist, und einem elektrischen System, bestehend aus unterschiedlichen elektrischen Systemeinheiten, die elektronische, elektrische und/oder elektromechanische und/oder sensorische Komponenten und/oder elektrotechnische Schutzeinrichtungen aufweisen, wobei die elektrischen Systemeinheiten mindestens umfassen eine Einrichtung zur Kopplung des Generators an das elektrische Netz sowie eine Steuerungseinrichtung mit einem Betriebsführungsrechner, die unter anderem die elektrische Stromerzeugung optimiert dadurch kennzeichnet, dass die Komponenten entsprechend ihrer Aufgaben in Funktionsmodule, die mindestens eine Funktion in Verbindung mit der elektrischen Leistungserzeugung ausführen, zusammengefasst sind, wobei zu mindestens einem Funktionsmodul mindestens ein Parallelmodul vorgesehen ist, das bei Normalbetrieb der Anlage eine gleiche ...

Verfahren zur Steuerung eines elektrischen Energieverteilnetzes, Energieverteilnetz und Steuereinheit

Die Erfindung betrifft ein Verfahren zur Steuerung eines elektrischen Energieverteilnetzes (1), wobei das Energieverteilnetz (1), zumindest ein erstes Verteilnetz (2, 3, 4) einer ersten Spannungsebene umfasst, das eine jeweilige Anzahl an Netzknoten (11, ..., 19), die an eine Stromleitung des ersten Verteilnetzes (2, 3, 4) angeschlossen sind, umfasst. Ein erster Teil der Netzknoten sind Energieverbraucher, ein zweiter Teil der Netzknoten sind Energieerzeuger und ein dritter Teil der Netzknoten (11, ..., 19) sind sowohl Energieverbraucher als auch Energieerzeuger. Jeder der Netzknoten umfasst eine lokale Einheit (21, ..., 29) zur Erfassung und Bereitstellung einer ersten Energiemengeninformation, welche eine gemessene Energiemenge repräsentiert, und zur Bereitstellung einer zweiten Energiemengeninformation, welche eine handelbare Energiemenge repräsentiert. Ferner umfasst das Energieverteilnetz (1) zumindest ein zweites Verteilnetz (5) einer zweiten Spannungsebene, das einen oder mehrere ...

Network management

Power distribution control system with improved responsiveness

A power distribution control system controls a plurality of power assets 10, 11, 12 connected to a power grid 50. The system includes a server 25 which can identify a set of power assets 10, 11, 12 selected from sources, loads, and stores that are to form a string 16 and provide to the string 16 instructions for response to a change in the power grid 50. The system further includes a router 13, 14, 15 for each of the power assets 10, 11, 12 in the string 16, for receiving instructions from the server 25 and for controlling the respective power asset 10, 11, 12. The power assets 10, 11, 12 in the string 16 are selected by the server 25 to have different response times and response profiles (typically power output profiles), such that the string of assets 10, 11, 12 present a collective response, the collective response being defined by the server 25. The router 13, 14, 15 may initiate response to a change in grid conditions, such as a drop/rise in frequency, without making real time communication ...

A method and apparatus for control

System and method for associating a load demand with a variable power generation

SYSTEM AND METHOD FOR ASSOCIATING A LOAD DEMAND WITH A VARIABLE POWER GENERATION A method of providing power from a renewable resource, the method comprising: receiving a signal at a response device (108) of a load demand module (106) directly from a renewable variable power generation module (102), the signal including an output capability value for the renewable variable power generation module (102); calculating an input power demand value for the load demand module (106) based on the output capability value of the received signal; and controlling a customer load on a power transmission and distribution grid (112) based on the calculated input power demand value.

Method of and system for power island detection on a power distribution network

We provide a method of detecting a power island in a power distribution network of the type comprising: a plurality of distribution lines connecting consumers to electrical power supplied from one or more substations, a plurality of circuit breakers and/or switches each operable to connect and disconnect transmission of electrical power along an associated distribution line, each being associated with a communication device operable to communicate the status of the circuit breaker and/or switch to a monitoring system, and one or more embedded generators each connected to a distribution line within the power distribution network so as to provide electrical power to the power distribution network, the method including the steps of: storing at the monitoring system data representing the connectivity of the distribution network including a status of each circuit breaker and/or switch, receiving at the monitoring system a communication from a communication device that an associated circuit breaker ...

Machine Learning-Based Power Quality Improvement System For Micro-Grid

... "MACHINE LEARNING BASED POWER QUALITY IMPROVEMENT SYSTEM FOR MICRO-GRID " Exemplary aspects of the present disclosure are directed towards the Machine Learning Based Power Quality Improvement System for Micro-Grid consists of the plurality of Smart Line Monitoring & Control System (SMCS) 101 connected to Central Monitoring & Control System (CMCS) 103 through Communication-Network 102. SMCS 101 is an integration of microcontroller 101a with advanced power-management chip 101b, Six potential-transformers 101d, Six current-sensors 101c, Circuitry for Circuit-Breaker 10le control, and Capacitor-Banks 101f. SMCS 101 uses the Random Forest-based Machine-Learning (ML) algorithm to predict power quality issues and operates respective Capacitor-Banks 101f for mitigating voltage and frequency profiles. All the power data received by CMCS 103 is normalized and fed to relevant ML algorithm to identify and predict, load, line stress and power quality issues and mitigate the problems. Based on mitigation ...

Device, system, and method for communicating with a power inverter using power line communications

DEVICE, SYSTEM, AND METHOD FOR COMMUNICATING WITH A POWER INVERTER USING POWER LINE COMMUNICATIONS A device, system, and method for communicating with a power inverter of an array of inverters includes transmitting a relay message from an inverter array controller to a relay inverter in response to failing to receive a response from at least one power inverter of the array. The relay inverter is configured to retransmit a message from the inverter array controller to a non-responsive power inverter of the array of inverters in response to receiving the relay message. The relay inverter may subsequently retransmit a reply received from the non-responsive power inverter to the inverter array controller or to another power inverter of the array of inverters.

BIG DATA ANALYSIS AND CONTROL METHOD FOR INTEGRATED ENERGY SYSTEM BASED ON MICRO-GRID

Abstract Micro-energy network system based on big data and a control method thereof. System comprises a big data analysis subsystem, a data processing subsystem, an energy replacement interface subsystem and an energy supply subsystem. Method comprises acquiring big data in a designated area; analyzing the big data; determining a corresponding energy supply scheme based on an analysis result; calling a corresponding energy supply model based on the energy supply scheme; and performing corresponding energy conversion based on the energy supply model and providing corresponding energy supply. Advantages include that energy supply meeting actual needs can be provided based on the actual situation of the local natural environment, and the corresponding model is adopted to provide the optimal configuration scheme according to different energy supply modes, so that the attributes of natural resources can be reasonably utilized to carry out energy configuration effectively, and different loads ...

AGGREGATION OF DISTRIBUTED GENERATION RESOURCES

... ²²²A method and system are associated with distributed generation of electric ²power. Power demand data of at least one electric power consumer is monitored ²over time. Power supply data of a regional power distribution system is also ²monitored over time. The power demand data and the power supply data are ²analyzed to coordinate control of at least one distributed generation system ²associated with the electric power consumer.² ...

TIE SWITCH RESTORATION

A control system and method for a group of interconnected feeders which enables fault location, isolation and service restoration without requiring each switch to have topology knowledge of devices in adjacent feeders. The method defines, for each switch, connectivity and X/Y directional information about its neighboring switches and propagates this information throughout each feeder. A leader device is also determined for each feeder. Information about topology of adjacent feeders is not needed by all devices. Only normally-open tie switches which define a boundary between two adjacent feeders have knowledge of the devices in both feeders. Switches which open during fault isolation automatically find open tie switches in a direction opposite the fault, and request service restoration downstream of the fault by providing power from an adjacent feeder. Leader devices ensure an overload condition is not created before initiating opening and closing operations of switches downstream of the ...

AUDIT METHOD AND SYSTEM AND SUPPLY METHOD AND SYSTEM FOR PV POWER INJECTION AND CONSUMPTION IN A POWER GRID SYSTEM

A method of supplying power in a power grid, a system supplying power in a power grid, a method of consolidating power injection and consumption in a power grid, a system for consolidating power injection and consumption in a power grid, a metering system for a power grid, and a metering method for a power grid. The method of supplying power in a power grid, the method comprises determining an initial forward probabilistic power supply time profile of an aggregate intermittent power source connected to the power grid,; determining a target power demand time profile of at least one load connected to the power grid; and associating at least respective portions of the initial forward probabilistic power supply time profile and the target demand time profile such that a probability of supply of power from the intermittent power source to the load meets a specified criterion.

ANCILLARY SERVICES NETWORK APPARATUS

An apparatus for providing Ancillary Services to an ISO controls multiple controllable resources over a network in a cost effective manner. The apparatus comprises a central server computer and multiple controllers communicative with the central server computer over a network. Each controller is located at a resource site and controls one or more resource devices. The central server computer has a memory with a program which executes the following operations: receives a services request signal from the ISO such as a Ancillary Services request, which requests a change in power consumed or supplied by the resources on the network; calculates the lowest cost means of delivering the requested Ancillary Services request; and sends setpoint control signals to the controller at each resource site where a change is needed, requesting a change in the operation of each resource device.

DYNAMIC DISTRIBUTED POWER GRID CONTROL SYSTEM

A system for dynamically managing and controlling distributed energy resources in a transmission/distribution power grid is disclosed. A plurality of regions within a transmission/distribution power grid is autonomously managed using regional control modules. Each regional control module oversees the management and control of the transmission/distribution power grid and is further associated with a plurality of local control modules that interface with distributed energy resources within a region. Power production and power consumption are monitored and analyzed by the enterprise control module which, upon determining that power consumption within a region does not match power producing capability, dynamically reallocates distributed energy resources throughout the grid keeping the system balance. Power flow at key nodes within the network are monitored and analyzed by the local control modules, regional control modules, and enterprise control modules with compensating actions taken in ...

DISTRIBUTED CONTROL IN ELECTRIC POWER DELIVERY SYSTEMS

This disclosure includes various systems and methods for determining an operating stage based on electrical conditions in electric power delivery systems and identifying a control strategy based upon the operating stage. The control strategy may be selected and customized to avoid or to ameliorate stresses in an electric power delivery system while maintaining the stability of electric power delivery systems. Various embodiments consistent with the present disclosure may include a distributed controller configured receive a plurality of indications of electrical conditions from a plurality of control devices in electrical communication with the electrical power delivery system. The distributed controller may determine an operating stage from among a plurality of operating stages based upon the plurality of indications of electrical conditions. The distributed controller may further identify a control strategy based upon the operating stage. The control strategy may be communicated to and ...

Distributed power generating grid-connected control circuit

The invention discloses a distributed power generating grid-connected control circuit, which comprises a main station system and a plurality of distributed power generating electric stations, wherein the distributed power generating power stations are subjected to grid connection with a public electric network after being subjected to inversion by an inverter, the distributed power generating grid-connected control circuit also comprises a grid-connected interface device, the grid-connected interface device is connected with a public wiring point, the distributed power generating power stations are connected with a mutual inductor device and are connected with the grid-connected interface device through the public wiring point after being subjected to inversion by the inverter, and the grid-connected interface device is communicated with the main station system. Through the grid-connected interface device, the distributed power generating electric stations can be comprehensively monitored ...

GSM remote monitoring-based intelligent on-load capacity regulating substation

Lithium iron phosphate mobile energy storage system and control method thereof

METHOD OF OPTIMIZING THE CONSUMPTION AND THE PRODUCTION OF AN ELECTRICAL INSTALLATION

L'invention propose un procédé d'optimisation d'une production et d'une consommation d'électricité d'une installation raccordée à un réseau comprenant au moins un équipement consommateur d'électricité et une source de production d'électricité autonome, le procédé étant mis en œuvre dans une architecture comprenant ladite installation, des moyens de raccordement de l'installation au réseau, et au moins une unité d'aiguillage, comprenant au moins un aiguilleur et une unité de traitement, l'unité d'aiguillage étant adaptée pour relier sélectivement la source de production autonome aux équipements consommateurs ou au réseau en fonction d'informations qui lui sont communiquées, le procédé étant caractérisé en ce qu'il comprend la mise en œuvre, de : - l'acquisition d'informations relatives à : o des tarifications de vente et de soutirage d'électricité au réseau, o une production électrique de la source autonome, o une consommation électrique des équipements consommateurs d'électricités, et o ...

전압 제어 장치 및 방법

... 직류 버스 전압을 제어하는 교류 직류 컨버터, 교류 직류 컨버터의 교류 계통이 탈락되어 직류 버스 전압이 특정 전압 범위를 벗어나는 지 판단하는 프로세서, 및 상기 판단 결과에 따라 버스 전압을 제어하는 에너지 저장 컨버터를 포함하는 전압 제어 장치가 제공된다.

SYSTEM AND METHOD FOR MANEGEMENT OF INTERNAL COMBUSTION POWER PLANT

VOLTAGE CONTROL APPARATUS AND METHOD THEREOF

Provided is a voltage control apparatus which comprises: an alternating current and direct current converter for controlling a direct current bus voltage; a processor for determining whether the direct current bus voltage deviates from a specific voltage range since an alternating current system of the alternating current and direct current converter is eliminated; and an energy storage converter for controlling a bus voltage according to a determination result. Therefore, autonomous driving is possible through information interchange between power apparatuses in an autonomous system without using the existing external communication apparatus. COPYRIGHT KIPO 2018 (110) Direct current converter (120) Processor (130) Energy storage converter ...

DETECTING ISLANDING CONDITIONS IN POWER NETWORKS

A method for detecting islanding conditions in a low voltage (LV) electric power network, wherein the electrical power network comprises a plurality of sub-networks. The sub-networks comprise at least one power electrical unit and are separable from each other and a main grid supplying the network by switching devices. The method comprises determining topological information of at least one sub-network of interest, detecting islanding conditions in at least one sub-network of interest on the basis of the topological information by using separate detecting means for each sub-network of interest, and sending, on the basis of the islanding conditions detected by using the detecting means, a disconnect signal to at least one power electrical unit in at least one sub-network of interest.

ELECTRIC POWER MANAGEMENT SYSTEM

... [Problem] To provide a novel and improved electric power management system able to efficiently manage the purchase of electric power generated by natural energy generating means installed in a household or the like. [Solution] Provided is an electric power management system comprising two or more bases, wherein the two or more bases are connected via a wiring network including a power purchase line for purchasing electric power, a power sale line for selling electric power, and a communication line by which information is communicated; each base is provided with an electric power generation device for generating electric power from natural energy, and an electric power transmitting and receiving control unit for transmitting electric power generated by the electric power generation device to the wiring network and for receiving electric power from the wiring network; and the electric power transmitting and receiving control unit transmits, to the power sale line of the wiring network, the ...

POWER NETWORK SYSTEM, POWER INTERCHANGE METHOD, POWER ROUTER, AND CONTROL DEVICE

A power network system (10A) according to the present invention comprises: a power cell (L31) including a power router (81) for transmitting and receiving power; and a management server (52B) for controlling a plurality of power cells (L31, L32, L2). The power router (81) includes a first control device (819) for controlling the operation of a plurality of legs (811 to 815). The legs include a first leg (814) connected to an internal connection destination and a second leg (811, 812, 813, 815) connected to an external connection destination. The first leg is operated according to an instruction from the first control device and the second leg is operated according to an instruction from a second control device.

DISTRIBUTED ENERGY NETWORK CONTROL SYSTEM AND METHOD

An energy management network according to the present disclosure may include remote distributed energy generation elements, and/or network connected multi element generation groups, and/or network connected energy generation elements. In a currently preferred embodiment, energy generating elements are turbogenerators as described above. An energy management network according to the present disclosure may include one or more Energy Network (EnerNet) Controllers for the purpose of controlling and/or monitoring a network of energy generation units, which work separately or in coordinated activities.

METHOD AND SYSTEM FOR DISTRIBUTING AND/OR CONTROLLING AN ENERGY FLOW TAKING INTO ACCOUNT CONSTRAINTS RELATING TO THE ELECTRICITY NETWORK

Method and system for distributing and/or controlling an energy flow to a cluster of a plurality of nodes (N1, N2,...) in an electricity network (1), wherein each node (N1, N2,...) has an associated status, taking into account constraints relating to the energy to be delivered to the nodes and taking into account constraints relating to the electricity network (1). The method comprising the steps of: i. allocating a local agent (A1, A2,...) to each node (N1, N2,...) of the cluster of a plurality of nodes, wherein the local agent receives a priority for energy to be delivered among the nodes (N1, N2,...); iii. allocating a regional concentrator agent (RCA1, RCA2) to the least one regional network (2, 3), wherein each regional network (2, 3) comprises at least a part of the cluster and wherein a total of the at least one regional network (2, 3) forms the electricity network (1); iv. receiving by the at least one regional concentrator agent (RCA1, RCA2), the priority for energy to be delivered ...

METHOD AND APPARATUS FOR CONTROL

A method of controlling the connection of a collection of a plurality of electricity providing devices to an electrical power network is described. In this, the plurality of electricity providing devices having a communication line therebetween and the method comprises receiving a message at a first electricity providing device from a controlling device and, in response to the message: connecting the first electricity providing device to the electrical power network; and sending, from the first electricity providing device to a second electricity providing device, a second message containing data in response to which the second electricity providing device is connected to the electrical power network.

System and method for smart grid dynamic regulation pools

A system and method is provided for smart grid dynamic regulation pools. The system may include at least one processor configured to initiate a plurality of pool regulation tasks that are respectively executed by different processing resources. The pool regulation tasks respectively manage respective subsets of electrical power assets assigned to respective different regulation pools to fulfill electrical power requirements for market orders received from at least one energy trading market system. Such management may include determining whether to reassign at least one asset to fulfill at least one market order. Also responsive to a determination to reassign the at least one asset, the management may include removing the at least one asset from one regulation pool managed with one pool regulation task for at least one market order and assigning the removed asset to another regulation pool managed with another pool regulation task for at least one market order.

METHOD FOR PREDICTING OPERATION STATE OF POWER DISTRIBUTION NETWORK WITH DISTRIBUTED GENERATIONS BASED ON SCENE ANALYSIS

A method for predicting the operation state of a power distribution network based on scene analysis is provided, comprising the following steps of step 10) obtaining the network structure and historical operation information of a power distribution system; step 20) extracting representative scene sequence fragments of output of the DGs according to historical output sequences of the DGs; step 30) obtaining a multi-scene prediction result of a future single-time section T0 through matching the real time scene with historical similar scenes; step 40) establishing a future multi-time section operation scene tree; and step 50) deeply traversing all scenes in the future multi-time section operation scene tree, performing power distribution network load flow analysis for each scene, calculating the line current out-of-limit risk and the busbar voltage out-of-limit risk of the power distribution network, and obtaining a future operation state variation tendency of the power distribution network ...

POWER SUPPLY CONTROL METHOD AND SYSTEM

PROBLEM TO BE SOLVED: To provide a technology for enhancing the rate of operation of a power generation system having an unstable amount of power generation and to reuse power generated from the power generation system efficiently. SOLUTION: For each consumer, a switch 312 is provided in the power line b for a load 33b to which power supply is not guaranteed, and it is connected with the remote controller 1 of a power selling house. Anticipated amount of power generation of a power generating house not guaranteeing power supply, and anticipated power demand for the loads 33b of all consumers to which power supply is not guaranteed are stored in the remote controller 1 of the power selling house. The remote controller 1 compares the anticipated amount of power generation of a power generating house not guaranteeing power supply with the anticipated power demand for the loads 33b of all consumers to which power supply is not guaranteed. When the anticipated power demand for the loads 33b ...

METHOD FOR CONTROLLING POWER SUPPLY SYSTEM AND POWER SUPPLY SYSTEM

PROBLEM TO BE SOLVED: To properly autonomously control demand and supply in a power system connected to distributed power supplies. SOLUTION: Each of the distributed power supplies 3 (measurement command device 10) measures output and frequency thereof, receives frequencies and outputs of the other devices transmitted from the other distributed power supplies 3, applies a minute variation to the output thereof, obtains a frequency variation thereof with respect to the minute vibration, obtains a frequency variation of the other devices with respect to the minute vibration, and compares the frequency variation thereof with the frequency variation of the other devices, thereby determining a connection state between the other distributed power supplies 3 and the power system 2. Each of the distributed power supplies 3 (measurement command device 10) compares the frequency variation thereof with the frequency variation of the other devices, and compares the minute variation with the variation ...

СПОСОБ УПРАВЛЕНИЯ РАСПРЕДЕЛИТЕЛЬНОЙ ЭЛЕКТРИЧЕСКОЙ СЕТЬЮ, КОМПЬЮТЕРНОЕ УСТРОЙСТВО, УСТРОЙСТВО УПРАВЛЕНИЯ, РАСПРЕДЕЛИТЕЛЬНАЯ ЭЛЕКТРИЧЕСКАЯ СЕТЬ И ПРЕРЫВАТЕЛЬ ЦЕПИ

Использование: в области электротехники для управления распределительной электрической сетью, содержащей одно или несколько первых сетевых устройств, имеющих изменяемые уставки. Технический результат - обеспечение эффективноего регулирования режима потребления в распределительных электрических сетях и, тем самым, исключение или уменьшение нежелательных срабатываний устройств защиты от перегрузок. Способ согласно настоящему изобретению включает в себя этапы, на которых: определяют целевое значение потребления для указанной распределительной электрической сети, причем указанное целевое значение потребления определяют относительно конечного момента интервала времени наблюдения, в который осуществляют наблюдение за потреблением указанной распределительной электрической сети в заданном электрическом узле наблюдения указанной распределительной электрической сети; и выполняют процедуру управления для управления уставками указанных первых сетевых устройств. 5 н. и 8 з.п.ф-лы, 15 ил.

КОМПОНОВКИ ЭЛЕКТРИЧЕСКИХ ГЕНЕРАТОРОВ

Настоящее изобретение относится к компоновкам электрических генераторов, а более конкретно - к компоновкам распределенных электрических генераторов, в которых ряд электрических генераторов все соединены в соответствующей электрической распределительной сети для обеспечения электроэнергии (электрической мощности) в электрической распределительной сети. Заявляемое техническое решение предлагает компоновку электрических генераторов, содержащую распределительную сеть, имеющую первый генератор и второй генератор, причем первый генератор размещен для обеспечения электроэнергии к передающему источнику, второй генератор соединен с распределительной сетью посредством коммутатора для обеспечения возможности изолирования второго генератора, коммутатор связан с компаратором электрической характеристики для сравнения фазы и/или частоты напряжения, обеспечиваемого вторым генератором, с паразитной модуляцией сигнала передатчика из передатчика вследствие изменений в фазе и/или частоте напряжения, обеспечиваемого ...

СПОСОБ УПРАВЛЕНИЯ РАСПРЕДЕЛИТЕЛЬНОЙ ЭЛЕКТРИЧЕСКОЙ МИКРОСЕТЬЮ, НОСИТЕЛЬ ИНФОРМАЦИИ, КОМПЬЮТЕРНОЕ УСТРОЙСТВО И УСТРОЙСТВО УПРАВЛЕНИЯ

ИНТЕЛЛЕКТУАЛЬНАЯ СИСТЕМА УПРАВЛЕНИЯ ЭНЕРГОГЕНЕРИРУЮЩИМ ОБОРУДОВАНИЕМ

STROMGENERATOR UND ENTSPRECHENDES SYSTEM

Supply-demand management device, program, and supply-demand management method

Provided is a supply-demand management device provided with: a record management unit for managing a power supply record indicating the record of power supplied between a plurality of suppliers/users within a community; and a deriving unit which, on the basis of the record of power supply from a first supplier/user among the plurality of suppliers/users to other suppliers/users, derives an incentive to supply power from the first suppler/user to a second supplier/user among the other suppliers/users.

Method of and system for power island detection on a power distribution network

We provide a method of detecting a power island in a power distribution network of the type comprising: a plurality of distribution lines connecting consumers to electrical power supplied from one or more substations, a plurality of circuit breakers and/or switches each operable to connect and disconnect transmission of electrical power along an associated distribution line, each being associated with a communication device operable to communicate the status of the circuit breaker and/or switch to a monitoring system, and one or more embedded generators each connected to a distribution line within the power distribution network so as to provide electrical power to the power distribution network, the method including the steps of: storing at the monitoring system data representing the connectivity of the distribution network including a status of each circuit breaker and/or switch, receiving at the monitoring system a communication from a communication device that an associated circuit breaker ...

CURRENT GENERATOR AND APPROPRIATE SYSTEM

On start-up and monitoring the plausibility of data of a power measurement sensor in a distribution network

Verfahren zum Überwachen der Inbetriebnahme und der Plausibilität von Daten eines Leistungsmesssensors (6) in einem Verteilernetz unter Verwendung einer Rechnereinheit (3,4), welche über ein Topologiemodell des überwachten Verteilernetzes verfügt, welche Rechnereinheit (3,4) eine Kommunikationseinrichtung zur drahtlosen Kommunikation mit mobilen Endgeräten (8) verfügt, welche Rechnereinheit (3,4) neu in das Verteilernetz eingebaute Sensoren automatisch detektiert und in Datenaustausch mit dem neuen Sensor tritt, dadurch gekennzeichnet, dass nach Detektieren eines in diesem Verteilernetz neuen Leistungsmesssensors (6) durch die Rechnereinheit (3,4) diese auf Basis von Messdaten bereits bestehender Leistungsmesssensoren in diesem Verteilernetz eine Überprüfung der Plausibilität der Messdaten des neuen Leistungsmesssensors (6) durchführt, und dass durch die Rechnereinheit (3,4) für den Fall nicht plausibler Messwerte des neuen Leistungsmesssensors (6) eine Meldung zur manuellen Änderung des ...

ELECTRICAL GENERATOR ARRANGEMENTS

Verfahren zum Betreiben einer mit einem Energieversorgungsnetz verbundenen Kraftanlage

A method of operating a stationary power plant connected to a power supply network, wherein upon the occurrence of a dynamic network fault in the power supply network, in particular an electric short-circuit, at least one fault value is ascertained in dependence on a state value of at least one operating parameter of the power plant wherein the at least one fault value is associated with at least one component of the power plant, wherein a maintenance signal for the at least one component of the power plant is output in dependence on the at least one fault value.

Systems and methods for grid operating systems in electric power systems

In an embodiment, a power distribution automation applications network includes multiple intelligent nodes in communication with, each other, each having a hardware and software platform, with data processing and communications functionality. The intelligent nodes are integrated or embedded with grid components, The nodes each implement a part or whole of a grid operating system that includes a set of software applications for automated and supervisory monitoring, control, protection, and optimization of an electric power system with embedded distributed energy resources and distributed information resources. The grid operating system both manages the grid and facilitates the integration of distributed energy resources and distributed information resources in an electric power system.

System and method for associating a load demand with a variable power generation

SYSTEM AND METHOD FOR ASSOCIATING A LOAD DEMAND WITH A VARIABLE POWER GENERATION A method for associating a load demand with a variable power generation, the method comprising: determining an output power capability value (105) for a renewable variable power generation module (102); determining, for a load demand module (106), an input power demand value (109) based on the output power capability value (105), wherein a power transmission and distribution grid (112) is coupled with, and disposed in between, the renewable variable power generation module (102) and the load demand module (106); controlling a power consumption level (120) of the load demand module (106) in response to a change in the input power demand value (109), the change in the input power demand value (109) based on a change in the output power capability value of the renewable variable power generation module (102); and decreasing the power consumption level (120) of the load demand module (106) in response to a decrease ...

Reliability calculation method of distribution system

The invention relates to a time-varying reliability calculation method of distribution system considering the randomness of demand side resource response. The invention can accurately and quantitatively evaluate the influence of distribution system reliability with randomness of demand side resource response. -1/8 Battery stringof1 --1 -- B- B Batter string of 2 __B21 HH 22 2n_ _ Battery string of m B-m----Hh- - -----H mn Figure 1 ...

Method and apparatus for controlling power flow in a hybrid power system

A system and method for controlling power flow in a hybrid power system includes a controller in communication with the hybrid power system. The controller is also in communication with at least one knowledge system to receive information related to power generation or power consumption within the hybrid power system. The controller generates a control command for each of the power converters in the hybrid power system and maintains a log of power flow to and from each device in the hybrid power system. The controller is also in communication with a provider of the utility grid and may generate the control commands for each of the power converters in response to commands provided from the provider of the utility grid.

System and method for associating a load demand with a variable power generation

System and Method for Associating a Load Demand with a Variable Power Generation A system (100) for associating a load demand with a variable power generation, the system comprising: a renewable variable power generation module (102) comprising a sensor (104), the sensor configured to determine an output power capability value (105) for the renewable variable power generation module; a load demand module (106) comprising a response device (108), the response device configured to receive the output power capability value directly from the renewable variable power generation module and to determine an input power demand value (109) based on the output power capability value; and a power storage module (124) coupled to the renewable variable power generation module, the power storage module configured to receive a portion of the power generated by the renewable variable power generation module. )AQ')Q')QQ 1 ...

HYBRID ENERGY GENERATION SYSTEM

The present invention provides a hybrid energy generation apparatus comprises a photovoltaic array configured to generate a DC output voltage, a biomass unit configured to generate a power from biowaste, a hydrogen tank configured to receive by-product gases from the biomass unit, a fuel cell configured to receive oxygen from air, by-product gases from the hydrogen tank, and generate a DC output voltage, a DC/DC inverter unit configured to receive and regulate the DC output voltage from the photovoltaic array, power from the biomass unit and the DC output voltage from the fuel cell, a DC/AC inverter unit configured to convert the DC output voltage from the photovoltaic array, power from the biomass unit and the DC output voltage from the fuel cell into a AC voltage and a remote server configured to control and monitor operations of the hybrid energy generation apparatus through an IOT communication module. Remote Server Load Biomass Unit 104 Photovoltaic DC/DC Inverter DC/AC Inverter Array ...

DEMAND AND SUPPLY ADJUSTMENT SYSTEM, CONTROL APPARATUS, CONTROL METHOD, AND PROGRAM

A control apparatus includes an optimization processing unit which individually calculates a sharing ratio of each of a plurality of energy storage apparatuses to adjusted total power of which demand and supply is adjusted by the energy storage apparatuses on the basis of state information of the corresponding energy storage apparatus, a calculation unit which calculates shared power in at least one energy storage apparatus using demand and supply adjustment information relating to the adjusted total power in the plurality of energy storage apparatuses and the sharing ratio of the at least one energy storage apparatus, and a communication unit which transmits the shared power to the corresponding energy storage apparatus.

PRIMARY POWER GRID FREQUENCY RESPONSE CHARACTERIZATION USING PHASOR MEASUREMENT UNIT DATA

The technology is generally directed towards characterizing primary frequency response parameters (e.g., frequency response coefficient, inertia, damping, droop) for an interconnection, region, and power plant utilizing phasor measure unit (PMU) data captured during an event (e.g., a generation trip event) that causes an imbalance in the power grid system. Pre-processing of localized PMU based frequency measurements combined with system identification techniques fit the observed frequency response to estimate parameters such as system inertia, frequency response coefficient, turbine time constant, system damping and governor droop that characterize the interconnection- wide frequency response.

ISLANDING A PLURALITY OF GRID TIED POWER CONVERTERS

A power system having a plurality of power converters coupled together at a point of common coupling (PCC). The power converters are coupled to a load and provide a combined power converter output to the load. A switch is coupled in series between the PCC and an external grid. When the switch is closed, the power system is in a grid-tied configuration and when the switch is open, the power system is in a microgrid configuration. A control system coupled to the power converters enables the switch to open and close in response to a signal received from one or more sensors monitoring the external grid, enables the power converters to operate in a current control mode when the switch is closed, and transitions the power converters from grid-tied mode to microgrid mode and synchronize the power converters such that the converters share the load.

INTELLIGENT GRID OPERATING SYSTEM TO MANAGE DISTRIBUTED ENERGY RESOURCES IN A GRID NETWORK

Method for detecting individual operation, Controller for detecting individual operation of distributed power source

Set of a plurality (n-) of electricity generating

Ensemble d’une pluralité (N) de génératrices d’électricité faisant partie d’un réseau de génératrices et ayant un bus de communication de données et un jeu d’interfaces reliées au bus, chaque nième (1≤n≤N) génératrice étant reliée à une des interfaces pour y collecter des blocs de données opérationnelles de cette nième génératrice et les faire circuler sur le bus, lequel ensemble comporte un organe de répartition placé sur le bus et agencé pour diviser le bus en M (1≤m≤M ;N>M) sections et pour attribuer à chaque mième section au moins une génératrice de substitution agencée pour configurer sur base des blocs de données opérationnelles de chacune des génératrices faisant partie de cette mième section un bloc de données opérationnelles de substitution qui possède une taille inférieure à celle de la juxtaposition de chaque bloc de données opérationnelles de cette mième section.

CONTROL SYSTEM, CONTROL DEVICE, AND CONTROL METHOD

This control system (100) comprises a PV unit (130) connected with a trunk power line (11) at a first branching point (P1), a storage cell unit (140) and/or fuel cell unit (150) connected to the trunk power line (11) at a second branching point (P2), an EMS (200), and a reverse power flow sensor (CT2) which is provided toward the system from the second branching point (P2) and which detects the direction of power transfer. The EMS (200) sends an error notification to the user when power output from the PV unit (130) is detected and the value detected by the reverse power flow sensor (CT2) is zero.

System and method for management of an electricity distribution grid

Systems and methods of managing an electricity distribution grid, including receiving a layout of at least one electricity distribution grid coupled to at least one power distributor facility, each grid having at least two electrical power nodes, collecting data for at least one consumer of the electricity distribution grid, assigning a dynamic consumer value to each of the at least one consumer according to predefined attributes, determining aggregated power consumption values for each electrical power node, wherein for each electrical power node the aggregated power consumption values are received for all consumers assigned thereto, and allocating resources of the at least one power distributor facility, from the first electrical power node to the second electrical power node, if the difference between the compared consumer values exceeds a predetermined threshold.

RENEWABLE ENERGY POWER GENERATION SYSTEMS

We describe a modular adjustable power factor renewable energy inverter system. The system comprises a plurality of inverter modules having a switched capacitor across its ac power output, a power measurement system coupled to a communication interface, and a power factor controller to control switching of the capacitor. A system controller receives power data from each inverter module, sums the net level of ac power from each inverter, determines a number of said capacitors to switch based on the sum, and sends control data to an appropriate number of the inverter modules to switch the determined number of capacitors into/out of said parallel connection across their respective ac power outputs.

Abnormality factor determination apparatus, degradation determination apparatus, computer program, degradation determining method, and abnormality factor determining method

This abnormal factor determination device is provided with a measured value acquisition unit which acquires measured values including electric values and temperature values of multiple power storage elements, a predicted value acquisition unit which acquires predicted values including electric values and temperature values of multiple power storage elements, and a determination unit which, on the basis of the acquired measured values and predicted values, determines whether or not there are abnormal factors in the power storage system.

Intelligent grid operating system to manage distributed energy resources in a grid network

A grid distribution system aggregates energy resources of multiple distributed energy resources (DERs) and provides service to one or more energy markets with the DERs as a single market resource. The DERs can create data to indicate realtime local demand and local energy capacity of the DERs. Based on DER information and realtime market information, the system can compute how to provide one or more services to the power grid based on an aggregation of DER energy capacity.

Charge/discharge control apparatus and charge/discharge control method

Included are a power-generation amount calculating section calculating an expected amount of power-generation being an amount of power generated by a power generating section in the future, for each predetermined period, a power-consumption amount calculating section calculating an expected amount of power-consumption being an amount of power consumed by a power load, for the predetermined period, an excess power period determining section determining an excess power period, an excess power amount calculating section calculating an expected excess power amount, and a charge/discharge control section controlling charge/discharge of a battery so that a remaining amount of the battery at the beginning of the excess power period becomes an amount resulting from subtracting the expected excess power amount from a pre-set charge amount.

Systems and Methods for Distributing Energy in a Roadway

A system and method for powering of a vehicle is disclosed. In accordance with embodiments of the present disclosure, a roadway may include an embedded conductor and a source of energy. The embedded conductor may be embedded in the roadway configured to transfer energy to a vehicle upon the roadway via magnetic induction or electric conduction. The source of energy may be applied upon or embedded in the roadway and configured to generate electric current to the embedded conductor. The source of energy may include a solar power generator, a thermoelectric power generator, a piezoelectric power generator, and/or any other suitable source of energy.

Systems for Optimized Solar Power Inversion

The DC-AC inversion of solar power in systems having high voltage, highly varying photovoltaic power sources may be provided to optimize input into a high voltage, high power photovoltaic DC-AC inverter. The inverter may coordinate the conversion of solar power in photovoltaic DC-DC power converters to achieve a desired inverter operating condition. Desired inverter operating conditions may include singular voltage inputs, optimal voltage inputs, inverter sweet spot voltage inputs, and the like. The converters may be coordinated to convert output to optimal input characteristics of the inverter, to control a posterior photovoltaic operating condition, to control the converter for inverter operating conditions, and the like. Output from the inverter may be transferred to a power grid at high power levels with coordinated control possible for various elements.

Charge display unit

A charged-amount display part displays a battery charge rate of an entire battery pack according to kinds of charge sources. An example of displaying the battery charge rate in the form of a bar chart is shown. A speed display part displays a vehicle speed of a running electric vehicle. The running cost display part displays a running cost calculated based on consumed electric power of the battery.

Wireless powered television

A wireless power system for powering a television includes a source resonator, configured to generate an oscillating magnetic field, and at least one television component attached to at least one device resonator, wherein the at least one device resonator is configured to wirelessly receive power from the source resonator via the oscillating magnetic field when the distance between the source resonator and the at least one device resonator is more than 5 cm, and wherein at least one television component draws at least 10 Watts of power.

AC Power Systems for Renewable Electrical Energy

A renewable electrical energy power system is provided with aspects and circuitry that can optimize operation of a DC-AC inverter. Alternative electrical energy sources may include solar cells and solar panels. In various embodiments, the system may include solar panel maximum power point independent inverter input optimization photovoltaic power control circuitry, inverter efficiency optimized converter control circuitry, inverter voltage input set point converter output voltage control circuitry, inverter sweet spot converter control circuitry, photovoltaic inverter duty cycle switch control circuitry, substantially power isomorphic photovoltaic inverter input control circuitry, and substantially power isomorphic photovoltaic inverter duty cycle control circuitry. With previously explained converters, inverter control circuitry or photovoltaic power converter functionality control circuitry configured as inverter sweet spot converter control circuitry can achieve extraordinary efficiencies with substantially power isomorphic photovoltaic capability at 99.2% efficiency or even only wire transmission losses.

Methods and apparatus for managing renewable energy services for fixed and mobile assets

Methods and apparatus for managing energy services are disclosed. One method includes determining a quantity of the energy service realized during the connection event; identifying an account associated with the grid connection point; and adjusting the identified account based on the quantity determined. Another method includes receiving an indicator indicating an asset identifier or a grid connection point identifier; determining a location of the asset on the grid based on the indicator; determining operating conditions for realizing the energy service based on the determined location; sending the conditions; identifying an account associated with the point based on the indicator; and adjusting the account based on a quantity of energy services realized by the asset in accordance with the conditions. A computer readable medium includes instructions for determining a quantity of energy services realized during a connection event; identifying an account associated with a connection point; and adjusting the account.

Wireless energy transfer for vehicles

A vehicle powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply. The wireless receiver including a load configured to power the drive system of a vehicle using electrical power, and a second electromagnetic resonator adapted to be housed upon the vehicle configured to be coupled to the load, wherein the second electromagnetic resonator is moveable relative to the first electromagnetic resonator while power is transferred, the second electromagnetic resonator configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator, and a second electromagnetic resonator adapted to be housed upon the vehicle and comprising an inductive loop and configured to be coupled to the load via a capacitive network comprising at least one capacitor in series with the inductive loop and one capacitor in parallel with the inductive loop.

Automated electric vehicle charging system and method

A system and method for charging an electric vehicle includes identifying vehicle information corresponding to the electric vehicle based on an electronic image of the electric vehicle, retrieving from an electronically stored local database a location of a charging port on the electric vehicle based on the vehicle information, robotically moving a charging connector according to the retrieved location to engage the charging port of the electric vehicle, querying the local database to determine whether a current time corresponds to an energy efficient usage time based on energy efficient usage data received from a power grid, and initiating a charging process upon determining that the current time corresponds to the energy efficient usage time.

Fuel Cell System with Grid Independent Operation and DC Microgrid Capability

A fuel cell system includes grid independent operation with DC microgrid capability. This fuel cell system has a capability of operation with and without the grid, and with DC micro-grid capability.

Power control system

A power control system includes a house power controller and a vehicle power controller connected by a power cable. The house power controller includes a control signal generator; a switch that operates responsive to a control signal instructing a charged amount, and passes/stops AC power coming from a power distribution system; a selector switch that switches whether to send AC power to the power cable, or to output DC power from the power cable; and a power converter converting DC power from the selector switch into AC power, and sending AC power to the power distribution system. The vehicle power controller includes a battery storing DC power; a vehicle-side selector switch that switches whether to send DC power from the battery to the power cable, or to output AC power from the power cable; and a charger that charges the battery with AC power from the vehicle-side selector switch.

Method and system for integral energy management of buildings

An EMM (Energy Monitoring and Management) control system performs energy management of buildings, each building having an EMM client disposed therein. The EMM control system includes an EMM server configured to receive operation information of energy-consuming equipments in the building and information related to energy and environment of the building from the EMM client to perform a function of analyzing/taking statistics/reporting for the operation information, and energy and environment information, an EOM (Energy Optimization and Maintenance) server configured to derive an optimum energy operation program through energy evaluation index and simulation from the information provided from the EMM client and providing the optimum energy operation program to the EMM client.

Power supply control method, a power mangement method, and a power system

A power supply control method, a power management method, and a power system are provided. The power supply control method according to an aspect of the present invention includes: receiving information on a position and a battery of a vehicle; and supplying power to a charging station in the predetermined range of the position of the vehicle to be able to charge the battery of the vehicle based on the information on the position and the battery.

System and method for charging a vehicle battery

An automotive vehicle may include at least one controller and a battery charger that receives electrical energy from a power distribution circuit remote from the vehicle. The at least one controller may request that a battery charger of another vehicle draw a specified current, and may establish a battery charging schedule with the another vehicle for the battery charger if, after issuing the request, the at least one controller detects a drop in voltage on the power distribution circuit.

Electric power management system

An electric power management system includes a power meter connected to a power system of a commercial power source and a power conditioner connected to the power meter, a power generating device and an electric appliance. The power meter and the power conditioner are configured to exchange power information through a communications part at the side of the power meter.

Battery charging station

A method of operating an electric vehicle charging system utilizing a plurality of charging units and charging points is disclosed. The method includes determining a rate of charge to be delivered to each vehicle and then allocating a respective portion of the total charging capacity of the charging station to each vehicle.

Remote power control system and power supply tap

According to one embodiment, a power supply tap includes a first wireless reception module which receives a control request which is transmitted from a remote-control terminal by a first wireless signal, a power observation module which is activated in a case where the received control request includes a power information acquisition request, and observes a total amount of power including power supplied to an electric apparatus from a power output module and power consumed by a communication control module, a first wireless transmission module which transmits the observed total amount of power to the remote-control terminal by a second wireless signal, and a switch control module which turns off a switch in a case where the control request received by the first wireless reception module includes a power-off request, thereby shutting off power supply to the electric apparatus from the power output module.

Methods and systems for charging an electric vehicle

An electric vehicle charging system is described. The electric vehicle charging system includes a plurality of electric vehicle charging apparatus coupled to, and configured to receive electric power from, a distribution transformer. The electric vehicle charging system also includes a central processing device configured to control operation of the plurality of electric vehicle charging apparatus.

Vehicle Electrical Power Management and Distribution

Vehicles, systems, and methods are disclosed for providing and directing first power, such as vehicle generator power, and alternate sources of power. In a particular embodiment, a vehicle includes a power distribution grid that includes a plurality of power sources and a plurality of distributions buses configured to distribute power from the plurality of power sources. The plurality of power sources include an engine-driven power source is configured to provide first power where the first power has first power characteristics. The plurality of power sources also includes a plurality of engine-independent power sources including a first alternate power source configured to provide first alternate power. The first alternate power has first alternate power characteristics that are different than the first power characteristics. The plurality of engine-independent power sources also includes a second alternate power source configured to provide second alternate power. The second alternate power has second alternate power characteristics that are different from the first power characteristics and different from the first alternate power characteristics. The vehicle also includes a global controller that sends control signals to control generation of power by the engine-driven power source, the first alternate power source and the second alternate power source via the plurality of distribution buses responsive to power demand of the power distribution grid.

Apparatus and methods for providing demand response information

A method for providing demand response information to a user of an electric vehicle is provided. The method includes receiving demand response data. A plurality of energy prices based on the demand response data is then generated by a processor, wherein each energy price is associated with a time range. The plurality of energy prices are then presented to a user of the electric vehicle.

Electric vehicle charging scheduling system

A charging prediction database stores information on electric vehicles expected to arrive for charging. A profile/charging information database stores information on electric vehicles that have arrived and been waiting for charging. A power database stores information on a power source including at least one of a power grid and a stationary battery. An energy calculating unit calculates energy available from the power source based on the power database. A scheduling unit schedule charging of the electric vehicles waiting for charging in consideration of the electric vehicles expected to arrive.

Power storage device, power storage method, and program

A power storage device including: a secondary battery; an acquisition unit that acquires charging period information for charging the secondary battery; and a charge control unit that calculates a charging power on the basis of the charging period information and controls charging power used for charging the secondary battery so that of the charging power is equal to the calculated charging power.

Charging device for use with electric vehicles and methods of assembling same

A charging device for use with an electric vehicle including a power storage device includes a power delivery system configured to deliver power to the power storage device. The charging device also includes a controller coupled to the power delivery system. The controller is configured to determine that an initialization process has completed after the charging device has experienced a loss of power and enable the power delivery system to deliver power to the power storage device at a defined start time and after the initialization process has completed.

Real time system and method for optimizing and managing a load in an electrical grid

A system and a method are provided for optimizing and managing a load in an electrical grid. The method includes receiving an event notification associated with a mobile device requiring a charge and determining charging station information of at least one charging station in an electrical grid based on the event notification, the at least one charging station operable to charge the mobile device. The charging station information of the at least one charging station is sent to a user of the mobile device.

Electrical distribution network improvement for plug-in electric vehicles

Electrical distribution network (EDN) improvement method for plug-in electric vehicles receives and stores in a database EDN configuration information, demography information and load information for simulating load of the EDN assets. The method dynamically updates the EDN configuration, demography information and/or load information to provide an efficient and customizable method of simulating a PEV load impact on an EDN configuration and apply improvements to the EDN in real time.

Low AC resistance conductor designs

Described herein are improved configurations for providing a stranded printed circuit board trace comprising, a plurality of conductor layers, a plurality of individual conductor traces on each of the said conductor layers, and a plurality of vias for connecting individual conductor traces on different said conductor layers, the vias located on the outside edges of the stranded trace. The individual conductor traces of each layer may be routed from vias on one side of the stranded printed circuit board trace to vias on the other side in a substantially diagonal direction with respect to the axis of the stranded printed circuit board trace. In embodiments, the stranded printed circuit board trace configuration may be applied to a wireless power transfer system.

Charging device and methods of authorizing a charging request

A charging device includes a power delivery system configured to supply power to at least one load coupled to the charging device. The charging device also includes a processor coupled to the power delivery system, and the processor is programmed to transmit a charging request to a remote device. The charging request includes an amount of power requested to be supplied to the at least one load. The processor is programmed to receive data related to a loading of a power distribution device, wherein the power distribution device is configured to supply power to the charging device. The processor is further programmed to selectively activate the power delivery system to supply power to the at least one load based on the data received.

Energy display system

The present invention provides an energy display system, comprising a first electric power detection device that can detect the power consumption of grid power, a second electric power detection device that can detect the power consumption of electric power generated by a solar electric power generation device, third electric power detection devices that can detect the power consumption of household electric loads on the basis of grid power and generated power respectively, a fourth electric power detection device that can detect the power consumption resulting from charging of a traveling object on the basis of grid power and generated power respectively, and a display device that is connected with the first through fourth electric power detection devices and can display the power consumption detected by those electric power detection devices; hence, the power consumption due to the household electric loads and power consumption resulting from charging of the traveling object can be displayed on the basis of grid power and generated power respectively.

Method for Controlling the State of Charge of an Electrical Energy Store

For controlling the charge state of a battery in a hybrid vehicle having an internal-combustion engine and an electric machine, the battery is operated in a working state-of-charge range falling within a theoretically possible state-of-charge range. In a first sub-range, the battery is charged by the electric machine, the electric machine working as a generator and being engine driven. In a second sub-range, the battery is neither charged nor discharged, the electric machine working as a generator and being driven by the engine and, in the process, supplying only an on-board power supply system of the hybrid vehicle with current. In a third sub-range, the battery is discharged and, in the process, supplies the on-board power supply system with current, the electric machine running along passively. In a fourth sub-range, the battery is discharged and, in the process, supplies current to the electric machine operating as an electric motor.

Real-time photovoltaic power plant control system

A real-time photovoltaic power plant control system and method of control for plant output, voltage regulation and/or power factor regulation. The system comprises a grid interface controller configured to receive power information from a power grid and provide commands for controlling at least one active or reactive power supplied to the power grid, a power plant controller configured to receive commands from the grid interface controller for and direct real-time output of the power plant, a plurality of local controllers connected to and controlled by the power plant controller, and a plurality of inverters each connected to supply power from at least one photovoltaic device to the power grid and arranged such that each local controller is connected to and controls at least one inverter, the inverters reporting status information in real-time back to the local controllers, and the local controller reporting status information in real-time back to the power plant controller.

Power supply system

A power supply system for supplying a grid power to a building includes a power generator, a power storing device, and a power controller. The power generator generates off-grid power from a predetermined energy. The power storing device stores the grid power and the off-grid power and supplies the stored power to the building. The power controller controls consumptions of the grid power and the off-grid power. The power controller calculates predicted consumption data related to power consumed in the building and predicted generation data related to power generated by the power generator. The power controller calculates a charging-discharging schedule for the power storing device based on the predicted consumption data and the predicted generation data by formulating the charging-discharging schedule as a mixed integer programming problem.

Frequency based electric vehicle charge controller system and method for implementing demand response and regulation services to power grid using frequency detection

Frequency responsive charging for plug-in hybrid electric vehicles (PHEV) and battery electric vehicles (BEV), a frequency sensing charging system and a method are provided for implementing demand response and regulation services to power grid using frequency detection for a frequency-based charge controller for plug-in hybrid electric vehicles (PHEV) and battery electric vehicles (BEV). A frequency of the power grid is continuously monitored and compared to a predefined tolerance band by a frequency sensor. Responsive to the frequency being outside the predefined tolerance band, the frequency is applied to a programmable logic controller. The programmable logic controller uses the applied frequency to identify a control action. A charge controller and a switch coupled to a battery charger receive respective identified control actions for controlling the battery charger.

Information provision device and information provision method

In order to suppress charge amount shortage in a predetermined area, an information provision device has an acquisition means that acquires travelling information of an electric vehicle on which a secondary battery 204 is mounted; a charge output estimation means that estimates, on the basis of the travelling information, a charge output value of a charging device which is provided in a predetermined area; a judgment means that judges, on the basis of the estimated charge output value, whether there is a risk that shortage of a charge amount will occur in the predetermined area; and an information provision means that provides recommendation information concerning charge of the vehicle to the electric vehicle according to a judgment result of the judgment means.

Rail Based Potential Energy Storage For Utility Grid Ancillary Services

A utility grid ancillary services system employs an inclined track with a utility grid connection system associated with the track. Shuttle units ride on the inclined track and have a motor/generator and an onboard electrical system for control. The motor/generator is connected to draw power from or provide power to the utility grid connection system. A controller in communication with an electric utility controls the onboard electrical system. Software modules in the controller increase uphill force responsive to a regulation down command from the utility thereby absorbing additional power from the utility grid or decreasing the amount of power provided to the grid. The software modules decrease force in an uphill direction responsive to a regulation up command from the utility thereby generating additional power to supply the utility grid or decreasing the amount of power absorbed from the grid.

Systems and Methods for Performing Islanding Operations

Systems and methods for performing islanding operations are usable to monitor and collect plant loads and turbine loads of a power plant. Such monitoring and collecting can be used to preemptively determine islanding configurations. According to one embodiment of the invention, a system can be provided. The system can be operable to receive power generation unit information, receive power plant information of the power plant, determine an islanding configuration for the power plant, transmit the islanding configuration to the at least one power generation unit of the power plant, receive breaker status information of at least one breaker coupled to the at least one power generation unit of the power plant and for all breakers connecting power plant to an external grid, and control at least one power generation unit of the power plant.

Method of Operating a Multiport Vehicle Charging System

A method of distributing charging power among a plurality of charge ports of a battery charging station is provided, where the battery charging station includes a plurality of power stages where each power stage includes an AC to DC converter and provides a portion of the charging station's maximum available charging power, the method comprising the steps of (i) monitoring battery charging station conditions and operating conditions for each charging port; (ii) determining current battery charging station conditions, including current operating conditions for each charging port; (iii) determining power distribution for the battery charging station and the charging ports in response to the current battery charging conditions and in accordance with a predefined set of power distribution rules; and (iv) coupling the power stages to the charging ports in accordance with the power distribution.

Switching device

A phase changeover switch selects that phase of a three-phase supply system which has the lowest loading for forwarding to a single-phase connection.

Plug-In Electric Vehicle Supply Equipment with Indicators

A system for connecting an electric vehicle to a high voltage power source. The system including electric vehicle supply equipment (EVSE) having an electrical plug compatible with a high voltage power outlet, the plug connected to a power cord. The power cord is connected to a housing containing a number of electrical components configured to control the power flow to an electric vehicle to recharge the vehicle's batteries. The housing includes a plurality of light emitting diodes configured to indicate a status of the EVSE. The LEDs can flash, illuminate a solid color, not illuminate a solid color or a combination thereof.

Electric power information management apparatus, electric power information management system, and electric power information management method

An electric power information management apparatus includes a power meter that measures electric power data on electric power to be supplied from a storage battery of a vehicle to an electric power facility; a security module that associates and encrypts identification information corresponding to the vehicle and the measured electric power data; a communication device that transmits to an electric power management database the identification information corresponding to the vehicle and the electric power data encrypted by the security module to store the electric power data associated with the identification information in the electric power management database; and an electric power control device that extracts necessary electric power from the electric power facility and supplies the electric power to the storage battery of the vehicle corresponding to the identification information, based on the electric power data stored in the electric power management database, being associated with the identification information.

Systems and methods for optimizing microgrid power generation and management with predictive modeling

Systems and methods for coordinating selective activation of a multiplicity of emergency power generation equipment over a predetermined geographic area for distribution and/or storage to supply a microgrid of electrical power for a substantially similar geographic area.

Method and Control Device for Charging a Battery of a Vehicle

A method for charging a battery of a vehicle including at least one electric power train, the battery adapted to supply electrical energy to the electric power train, includes: predicting a charging location for charging the battery after at least one next trip of the vehicle; and transmitting the charging location to a power grid.

Multi-series battery control system

A multi-series battery control system comprises a plurality of unit battery cell of which unit consists of multiple battery cells connected in series; a plurality of control IC comprising a control circuit for controlling the unit battery cell; a main controller that sends and receives signal to/from the control ICs via an insulation; means for sending an abnormality signal, which represents the existence or the absence of abnormality of the control ICs or the battery cells, to the main controller from the control ICs, responding to the first signal outputted from the main controller via the insulation; and means for searching contents of the abnormality in the control ICs or the battery cells and sending the abnormality contents signal based on the search, to the main controller from the control ICs, responding to the second signal outputted from the main controller via the insulation.

System for advertising and communicating at a vehicle charging station and method of using the same

In some embodiments, a system for advertising and communicating at a vehicle charging station and method of using the same as disclosed herein. Other embodiments of related systems and methods are also disclosed.

Power generation apparatus

A power generation apparatus includes a power calculation unit configured to receive voltage information and temperature information from a power generation module, and calculate power generation information of the power generation module based on the received voltage information and temperature information.

Method and system for co-operative charging of electric vehicles

A method and system provide for the cooperative charging of electric vehicles. By using power line communications, chargers of the electric vehicles who are serviced by the same distribution transformer can form self-contained local area networks due to the nature of power line communications (PLCs). Alternatively, or in addition to the PLCs, other communication networks, such as the Internet and local area networks, may be used as part of the communications infrastructure for the chargers. After the chargers of the electric vehicles are coupled to one another through power line communications or traditional communications networks, they can form a logical token ring network. According to this token ring network, a predetermined number of tokens can be assigned within the token ring network for permitting chargers with tokens to charge respective electric vehicles while chargers without tokens must wait until they receive a token to initiate charging.

Adaptive stochastic controller for distributed electrical energy storage management

A system for managing a battery in communication with an electrical grid that includes (a) a data collector to collect data representative of an electrical grid; (b) an ASC controller operatively coupled to the data collector and adapted to receive collected data therefrom, the ASC controller comprising a financial strategizer to send instructions based on the collected data; and (c) a battery controller operatively coupled to the ASC controller to receive the instructions transmitted by the ASC controller, the battery controller configured to dictate whether the battery receives electricity from, or transmits electricity to the electrical grid.

Power supply device and vehicle using the same

A power supply device includes functional modules, and a main controller that is connected to and controls the modules. Each module includes a battery block, a communication interface, a memory and a battery state detector. The block includes a battery cells that are connected in serial and/or in parallel to each other. The interface exchanges data with other modules or the controllers. The memory can store data exchanged through the interface. The battery state detector can detect at least one of current, voltage and temperature of the block. When the module is connected to the controller, the controller assigns a unique address to the module. The module stores the unique address, which is assigned by the controller, in the memory. The module exchanges data based on the address.

Power supply and demand leveling system

The invention judges a total power supply/demand condition of the electricity consumers 2 as a whole according to an individual power supply/demand condition of electricity consumers 2 , judges a total usable capacity of all batteries 17 according to a usable capacity of the batteries 17 of electric vehicles 10 parked at electricity consumers 2 , obtains required charge/discharge amounts of all the batteries 17 according to a result of comparison of the total power supply/demand condition of the electricity consumers 2 as a whole with the total usable capacity of all the batteries 17 , subjects the batteries 17 to charge/discharge controls according to the required charge/discharge amounts, the power supply/demand conditions of the electricity consumers 2 , and the usable capacities of the batteries.

Energy management system

An energy management system has an integration control portion that performs control to charge a storage battery with a power of such an amount that a power consumption including a power supplied by a supply portion is equal to or smaller than a target value indicated by power consumption target information recorded in a recording portion when a power consumption detected by a detection portion is smaller than the target value, and to supply a building with a power with which the storage battery is charged such that the power consumption including the power supplied by the supply portion coincides in amount with a power equal to or smaller than the target value indicated by the power consumption target information recorded in the recording portion when the power consumption detected by the detection portion is larger than the target value.

Wireless energy transfer resonator kit

Described herein are improved capabilities for a source resonator having a Q-factor Q 1 >100 and a characteristic size x 1 coupled to an energy source, and a second resonator having a Q-factor Q 2 >100 and a characteristic size x 2 coupled to an energy drain located a distance D from the source resonator, where the source resonator and the second resonator are coupled to exchange energy wirelessly among the source resonator and the second resonator.

Multi-series battery control system

A multi-series battery control system comprises a plurality of unit battery cell of which unit consists of multiple battery cells connected in series; a plurality of control IC comprising a control circuit for controlling the unit battery cell; a main controller that sends and receives signal to/from the control ICs via an insulation; means for sending an abnormality signal, which represents the existence or the absence of abnormality of the control ICs or the battery cells, to the main controller from the control ICs, responding to the first signal outputted from the main controller via the insulation; and means for searching contents of the abnormality in the control ICs or the battery cells and sending the abnormality contents signal based on the search, to the main controller from the control ICs, responding to the second signal outputted from the main controller via the insulation.

Transmission system for delivery of dynamic demand response in a renewable energy-based electricity grid infrastructure

A power transmission system manages a delivery of a power requirement from multiple renewable energy resource components to an intelligent power distribution network. The transmission system includes components capable of variably and independently generating power from the multiple renewable energy resource components to provide a dynamic demand response to a power requirement to one or more microgrids comprising the intelligent power distribution network so that the power requirement is entirely satisfied from multiple renewable energy resources from a common location. The transmission system enables distributed energy generation from the multiple renewable energy resources that is responsive to various types of grid demand situations, such as customer demand, direct current-specific demand, and security issues, and so that power production is substantially balanced with power consumption.

Electric vehicle power management systems

A system that enables power flow management for electrical devices, such as electric vehicles. Power flow managers can coordinate charging activities. Power flow decisions may be based on site-level information. Power flow management strategies may be optimized. Power spikes may be avoided by using safe failure modes. Generation stacks may be used for reducing cost. AGC commands are used to control power resources. Power regulation are apportioned to power resources, and power regulation ranges may be determined. Power flow strategies are implemented in response to changes in intermittent power flow. Locations of devices may be determined using network fingerprints. Power flow measurements are determined, and AC power flows are inferred from DC power flows. Network traffic consumption are minimized. Communication protocols are translated. Enhanced vehicle communications are provided that communicate to vehicle subsystems, that arbitrate smart charge points, and that use existing hardware, non-specific hardware, or control extensibility systems.

Electricity grid data analytics as a moduled service for production, delivery, and distribution of power as a dynamic demand response within a renewable energy-based electricity grid infrastructure

A renewable energy-based electricity grid infrastructure utilizes distributed data analytics to enable modeling and delivery of an appropriate, time-sensitive, dynamic demand response from multiple renewable energy components to an intelligent power distribution network. Data processing resources are identified and aggregated within a distributed computing infrastructure to provide dynamic demand response as a service of a dedicated grid data analytics module. Aggregation of processing resources for grid data analytics also enables the electricity grid infrastructure to virtually, optimally and adaptively make decisions about power production, distribution, and consumption so that a demand response is a moduled service of the electricity grid infrastructure, and enables distributed energy generation from multiple renewable energy resources that is responsive to various types of grid demand situations, such as customer demand, direct current-specific demand, and security issues, and so that power production is substantially balanced with power consumption.

Electric power supply-and-demand control apparatus

According to one embodiment, an electric power supply-and-demand control apparatus includes a measuring module which measures an output power characteristic of dispersed power sources arranged in various places in an electric power system. The electric power supply-and-demand control apparatus includes a determination module which determines based on the output power characteristic measured by the measuring module whether to set each of the dispersed power sources in various places as a dispatching object for an electric power supply-and-demand plan at a specific time on a specific date.

Apparatus and method for collecting power from distributed power supply resources

An apparatus and method for collecting power from distributed power supply resources are provided. The method includes transmitting a signal for inquiring whether supply of demand-side power supply resources is possible to a providing side that provides demand-side power supply resources, selecting demand-side power supply resources to be utilized, based on power supply resource-related information for each of available demand-side power supply resources, which is received from the providing side, and notifying the selection results to the selected demand-side power supply resources.

System and Method for Energy Storage Management

A method is provided for efficiently managing energy consumption using stored energy. The method accepts input energy (e.g., from a power utility) and maintains a record of energy consumption. An energy consumption peak is predicted in response to analyzing the record of energy consumption, and the input energy is augmented with stored energy during the predicted energy consumption peaks. More explicitly, a peak shaving value is selected based on a fraction of the predicted energy consumption peak, and the stored energy is used when energy consumption exceeds the peak shaving value. In one aspect, after a determination is made to use stored energy, it is simply used while it is available. Otherwise, it is supplied based upon an analysis of a predicted value of the stored energy.

Electricity control system

According to one embodiment, an electricity control system includes a power plant, a customer and a central device connected to each other via a power line. The customer includes an electricity generator that generates electricity. The central device provides the customer with feedback of an incentive indicated by a value obtained by multiplying an electricity amount injected into a grid within an electricity amount generated in the electricity generator by a first incentive coefficient L used when the power plant has surplus electricity to supply.

Power monitoring system and electric vehicle

A power monitoring system includes an in-vehicle system that monitors a power state of a storage battery of an electric vehicle, and an out-of-vehicle system that is mounted on an out-of-vehicle apparatus and monitors power supply to the electric vehicle. The electric vehicle includes a first power feed port for supplying and receiving AC power to and from the out-of-vehicle apparatus, and a second power feed port for supplying and receiving DC power to and from the out-of-vehicle apparatus. The in-vehicle system includes first power feed port power measurement means for measuring a first amount of fed power supplied from the out-of-vehicle apparatus via the first power feed port, second power feed port power measurement means for measuring a second amount of fed power supplied from the out-of-vehicle apparatus via the second power feed port, vehicle side communication means, storage battery power measurement means, and a monitoring section.

System for the monitoring and maintenance of remote autonomously powered lighting installations

A system of monitoring and/or maintaining remotely located autonomously powered lights, security systems, parking meters, and the like is operable to receive data signals from a number of the devices, and provide a comparison with other similar devices in the same geographic region to detect a default condition of a particular device, and/or assess whether the defect is environmental or particular to the specific device itself. The system includes memory for storing operating parameters and data, and outputs modified control commands to the devices in response to sensed performance, past performance and/or self-learning algorithms. The system operates to provide for the monitoring and/or control of individual device operating parameters on an individual or regional basis, over preset periods.

Distributed power generation system, control means and method for controlling the power generation of the system

An apparatus and method for controlling the power generation of a distributed power generation system including a plurality of small power plants. The apparatus has a first communication interface unit to receive measured values of the instantaneous power generated by the small power plants, and to transmit to each of the small power plants, information relating to the individual power control thereof. A second communication interface unit receives, from a production control center, power values specified as a function of the instantaneous load of the power supply system. A central data processing unit determines the aggregate instantaneous power of the distributed power generation system based on the measured power values, determines the difference between the power specified by the production control center and the aggregate instantaneous power of the system, and generates power control information for each of said small power plants as a function of said power difference.

Apparatus, method and article for providing vehicle diagnostic data

A network of collection, charging and distribution machines collects, charges and distributes portable electrical energy storage devices (e.g., batteries, supercapacitors or ultracapacitors). Vehicle diagnostic data of a vehicle using the portable electrical energy storage device is stored on a diagnostic data storage system of the portable electrical energy storage device during use of a respective portable electrical energy storage device by a respective vehicle. Once the user places the portable electrical energy storage device in the collection, charging and distribution machine, or comes within wireless communications range of a collection, charging and distribution machine, a connection is established between the collection, charging and distribution machine and the portable electrical energy storage device. The collection, charging and distribution machine then reads vehicle diagnostic data stored on the diagnostic data storage system of the portable electrical energy storage device and provides information regarding the diagnostic data.

Method and system for allocating energy

A method for allocating energy to a plurality of devices, wherein each device is configured to consume, store and/or supply energy, the method includes the steps of: assigning each device to a group of devices; assigning an aggregation node device to each group of devices; for a selection of devices transmitting local power cost functions of the devices and/or power usage profiles of the devices with respect to a predetermined time slot to the assigned aggregation node device; at the aggregation node device, generating aggregated data as a function of the received local power cost functions and/or power usage profiles; transmitting the aggregated data to a central processing device; at the central processing device, optimizing a global cost function for allocating power to the devices as a function of the aggregated data.

ELECTRIC VEHICLE CHARGING SYSTEM

An electric vehicle (EV) charging system includes a number of output connections (e.g., cables). Each of the output connections is connected to at least one head, and each head can be connected concurrently to an EV. A controller can direct a charging current, delivered over a dedicated circuit from an electric power supply, to a first one of the output connections if a first EV is connected to a head connected to the first one of the output connections. Then, the charging current to the first one of the output connections can be stopped, switched to a second one of the output connections, and restarted if a second EV is connected to a head connected to the second one of the output connections. 1. An electric vehicle (EV) charging system , comprising:a controller comprising a central processing unit and implemented on a single printed circuit board, the printed circuit board having a lower voltage side that powers the central processing unit (CPU), the printed circuit board also having a higher voltage side that receives an alternating current (AC) charging current delivered over a dedicated circuit from an AC power supply, wherein the CPU receives power from a lower voltage power supply that is separate from the AC power supply and that is not powered by the AC power supply, and wherein a voltage from the lower voltage power supply is less than a voltage from the AC power supply; anda plurality of output connections coupled to the controller, wherein each of the output connections is couplable to at least one head of a plurality of heads that are connectable to EVs, and wherein the output connections are numbered in sequence from one to N, where N is an integer;wherein the controller directs the AC charging current from the higher voltage side of the printed circuit board to a first one of the output connections if a first EV is connected to a head coupled to the first one of the output connections, wherein further the charging current to the first one of the ...

Electric vehicle charging method

A method of charging one or more electric vehicles (EVs) includes receiving a voltage over a dedicated circuit from an electric power supply. A charging current is generated using the voltage and directed to a first output connection if a first EV is connected to a head that is connected to the first output connection. The charging current to the first one of the output connections is stopped, then directed to a second output connection if a second EV is connected to a head coupled to the second output connection.

Battery management system

Provided is a battery management system of an electric vehicle suitable for a sharing service. A battery management system 100 includes: an electric vehicle 2 capable of travelling by driving a motor with an exchangeable battery 1; a battery station 3 capable of charging the battery 1 by adjusting a charging speed; and a management server 4 connected to the electric vehicle 2 and the battery station 3 through a communication network. The management server 4 quantitatively evaluates exchangeability of the battery 1 stored in the battery station 3, on the basis of at least a position of the electric vehicle 2 and a battery remaining amount of the battery 1 mounted on the electric vehicle 2, determines the charging speed of the battery 1 of the battery station 3, on the basis of an evaluation value of the exchangeability of the battery 1, and transmits control information relevant to the determined charging speed, to the battery station 3.

Buffering energy storage systems for reduced grid and vehicle battery stress for in-motion wireless power transfer systems

An energy buffer including an electrochemical capacitor can be added to the primary circuit and/or to the secondary circuit of in-motion wireless power transfer system. The energy buffer(s) can smoothen the power delivered by the power grid and captured by a vehicle passing over an array of transmit coils through in-motion wireless power transfer. The reduction in the transient power transfer can reduce the peak current that flows through various components of the in-motion wireless power transfer system including a vehicle battery on the vehicle, and prolong the life of the in-motion wireless power transfer system.

Electric Vehicle Charging Station Dynamically Responding to Power Limit Messages Based on a Recent History of Power Provided

An electric vehicle charging station charging electric vehicles dynamically responds to power limit messages. The charging station includes a charging port that is configured to electrically connect to an electric vehicle to provide power to charge that electric vehicle. The charging station also includes a power control unit coupled with the charging port, the power control unit configured to control an amount of power provided through the charging port. The charging station also includes a set of one or more charging station control modules that are configured to, in response to receipt of a message that indicates a request to limit an amount of power to an identified percentage and based on a history of power provided through the charging port over a period of time, cause the power control unit to limit the power provided through the charging port to the identified percentage. 1. A method for an electric vehicle charging station to dynamically respond to power limit messages , wherein the electric vehicle charging station includes a set of one or more charging ports , each of which may connect an electric vehicle to the electric vehicle charging station for charging service , the method comprising:receiving a message that indicates a request to limit an amount of power to an identified percentage, wherein the message is applicable to one or more of the set of charging ports; and 'based on a history of power provided through that charging port over a period of time, causing the amount of power that is capable of being provided through that charging port to be limited according to the identified percentage.', 'for each of the set of charging ports that the message is applicable, performing the following2. The method of claim 1 , wherein the history of power provided through the charging port over the period of time is an average of power samples collected during the period of time claim 1 , each power sample representing an amount of power.3. The method of claim 2 ...

Matrix-type flexible charging pile and a charging method capable of dynamically allocating power

A matrix-type flexible charging pile and a charging method capable of dynamically allocating power are disclosed in the present invention, and the method comprises the steps of: S1, connecting each charging terminal to a corresponding electric vehicle; S2, receiving a charging power demand of the electric vehicle and comparing the charging power demand; S3, calculating the number of charging modules required to be additionally allocated to the present DC-bus and delivering it to a matrix controller; and S4, allocating the required number of charging modules in a dynamic power region to the corresponding DC bus and switching the module communication line to a corresponding communication bus synchronously. The implementation of the charging method capable of dynamically allocating power can satisfy the electric vehicle charging demands for different energy storage capacities and different charging rates, as well as improve the conversion efficiency and the utilization rate of the charging device further.

Power-distribution-system voltage control system

A cooperative voltage sensor (CVS) issues a target voltage change request when a voltage moving average at an end thereof deviates from a proper voltage upper or lower limit value. A cooperative voltage controller (CVC) also can issue a target voltage change request when a voltage moving average at an end thereof deviates from the proper voltage upper or lower limit value. The target voltage change request issued by the cooperative voltage sensor (CVS) or the cooperative voltage controller (CVC) is transferred between cooperative voltage controllers (CVCs) via a communication network and notified to all the cooperative voltage controllers (CVCs), and a cooperative operation of voltage control is realized.

Supply-and-demand management apparatus, computer readable storage medium, and supply-and-demand management method

Provided is a supply-and-demand management apparatus including: a result management unit that manages a power supply result indicating a result of power supplied among a plurality of customers of a community; and a deriving unit that derives, based on power supply results from a first customer to other customers from among the plurality of customers, an incentive to supply power from the first customer to a second customer from among the other customers.

DEMAND RESPONSE IMPLEMENTED IN AN INFRASTRUCTURE HAVING A DC LINK

A system for regulating electrical energy transfer over a pathway including a DC link () is provided. The system is configured for computing a rate of electrical energy flow through the DC link at least in part on a basis of a state of balance between power generation and a load determined from frecuency measurement () and for adjusting the rate of electrical energy flow through the DC link. An electrical vehicle charger is provided that includes a power input for connection to an AC power distribution network and a power output for connection to an electric vehicle, and is configured for determining a rate of electrical energy flow through the power output by using as a factor a state of balance between power generation and load in an AC power distribution network to which the power input connects. A method for regulating electrical energy transfer over a pathway including a DC link is also provided. 126.-. (canceled)27. A system for regulating an electrical energy transfer over a pathway including a DC link established between a first AC power distribution network and a second AC power distribution network , comprising: i. receive at an input data related to a characteristic of an electrical energy distributed in the first AC power distribution network and conveying a state of balance in the first AC power distribution network, between power generation and load,', 'ii. process the data and in response to detection of a state of imbalance between the power generation and load in the first AC power distribution network, compute a reduced rate of electrical energy flow through the DC link, from the first AC power distribution network to the second AC power distribution network, at least in part on a basis of a magnitude of the state of imbalance between power generation and load in the first AC power distribution network, wherein the state of imbalance is characterized by an under frequency condition in the first AC power distribution network,, 'a. a machine-readable ...

Electric vehicle charging scheduling method and system based on cloud-edge collaboration

The invention provided an electric vehicle charging scheduling method, apparatus and system based on cloud-edge collaboration, a storage medium and an electronic device. In the present invention, a charging request of an electric vehicle user is accepted and processed by an edge computing unit, and a target charging station for a to-be-charged electric vehicle is determined with a minimum traveling cost as a target, so that a data transmission distance is reduced, and the electric vehicle user is timely assisted in selecting the target charging station and completing a charging appointment. After the charging appointment is made, charging data is uploaded to a charging optimization scheduling model pre-trained by a cloud platform for obtaining an electric vehicle charging scheduling strategy, so that powerful cloud platform computing abilities and rapid response advantages of the edge computing unit are fully utilized, the problem of network congestion is avoided, and timeliness is improved.

BATTERY PACK

A battery pack is provided. The battery pack including a plurality of battery cells; a cell holder including a peripheral wall and a plurality of cell storage units; and a plurality of ribs integrally molded with the cell holder between the peripheral wall of the cell holder and the cell storage unit. 1: A battery pack comprising:a plurality of battery cells;a cell holder including a peripheral wall and a plurality of cell storage units; anda plurality of ribs integrally molded with the cell holder between the peripheral wall of the cell holder and the cell storage unit.2: The battery pack according to claim 1 , wherein the ribs are configured to be elastically transformable claim 1 , and are contracted when impact is applied to the battery pack.3: The battery pack according to claim 1 , wherein at least one of the ribs includes a connection section and one or more of a curved section claim 1 , a semicircular curved section claim 1 , a square frame-shaped curved section and a bended curved section.4: The battery pack according to further comprising a circuit substrate that is configured to mount circuits for the plurality of battery cells.5: The battery pack according to claim 1 , wherein the plurality of battery cells and the plurality of cell storage units have cylindrical shape.6: The battery pack according to claim 1 , wherein at least one of the ribs is formed between a position between a peripheral surface of one cell storage unit and a peripheral surface of another cell storage unit.7: The battery pack according to claim 1 , wherein at least one of the ribs is transformed by impact and configured to stop transformation when two opposite spots come into contact with each other.8: The battery pack according to claim 1 , wherein an inclination shape is formed in an outer circumference of the cell holder claim 1 , and at least one of the ribs is formed between the inclination shape and the cell storage unit.9: The battery pack according to further comprising a ...

ENERGY STORAGE CANOPY

An energy storage canopy associated with a local building is provided. The energy storage canopy includes support members that can support compartments, which may be integral with or removable from the energy storage canopy. Each compartment includes a plurality of high capacity batteries to store electrical energy, at least one power conditioner to allow coupling high capacity batteries to the power grid and/or the AC distribution panel of the local building, and a refrigerant energy storage tank containing a working fluid. The refrigerant energy storage tank contains piping or ductwork to be in fluid communication with the HVAC system, refrigerant system, or atmosphere of the local building to provide stored refrigerant energy to the local building. 1. (canceled)2. The energy storage canopy of wherein the at least one compartment is removably coupled to the roof of the energy storage canopy.3. The energy storage canopy of further comprising a renewable energy source electrically coupled to the at least one high capacity battery claim 10 , the at least one power conditioner claim 10 , or a combination thereof such that the renewable energy source is configured to provide electrical energy to the at least one high capacity battery claim 10 , the at least one power grid claim 10 , the local building alternating current distribution panel claim 10 , or a combination thereof.4. The energy storage canopy of wherein the renewable energy source is a solar array.5. The energy storage canopy of wherein the renewable energy source is a wind turbine system.6. The energy storage canopy of wherein the working fluid is water.7. The energy storage canopy of wherein the water is salt-water.8. The energy storage canopy of wherein the at least one refrigerant energy storage tank is configured to be in fluid communication with an atmosphere of the local building refrigerant system such that the atmosphere is used to at least one of add heat to the working fluid or remove heat from ...

Highly Flexible Electrical Distribution Grid Edge Energy Manager and Router

An electrical distribution grid energy management and router device, or GER device, may be installed in a distribution grid, and route power from power supply to one or more power consumers. The GER devices described herein may provide platforms to add one or more features to a distribution transformer, provide additional features and benefits to both the utility company and end consumer, and may serve as a platform for providing other features, such as communications services, local and remote management, and intelligence to components of the distribution grid. A GER device may include sensors to measure electrical properties of incoming and outgoing power, and may include an electrical circuit layer having a central DC power stage. A GER device may also include a communications platform for one or more communication devices to communicate with a utility, power consumers, other electrical devices/parties, and/or other GER devices to form a micro-grid.

Energy management server, energy management method, and program

According to an embodiment, management server includes estimator, scheduler, acquisition unit, monitoring unit, receiver and setting unit. Estimator calculates estimated value of energy demand in building with electric appliance. Scheduler creates schedule of appliance based on estimated value. Acquisition unit acquires actual value of energy demand. Monitoring unit monitors error between estimated value and actual value. Receiver receives DR signal containing information which prompts suppression of energy consumption in a designated period. Setting unit sets threshold. Estimator recalculates estimated value if error is equal or more than threshold. Scheduler reforms schedule based on the recalculated estimated value.

ELECTRIC VEHICLE DISTRIBUTED INTELLIGENCE

The present disclosure provides system and methods for electric vehicle distributed intelligence. A system may determine scheduled charging times and scheduled charging locations to charge electric vehicles. The scheduled charging locations may correspond to charging stations geographical distributed throughout a power grid. The system may receive parameters related to power grid components configured to affect distribution of power. The system may forecast a power demand for charging the electric vehicles at the scheduled charging times and scheduled charging locations. The system may determine that a power demand to charge the electric vehicles is greater or less than power made available by the power grid components at the charging stations. The system may cause power to be reallocated among the power grid components in response to determination that the power demand to charge the electric vehicles is greater or less than power made available by the power grid components. 1. A method , comprising:determining scheduled charging times and scheduled charging locations to charge electric vehicles, the scheduled charging locations corresponding to charging stations geographical distributed throughout a power grid;receiving parameters related to power grid components configured to affect distribution of power to at least one of the charging stations, the parameters indicative of power made available by the power grid components;forecasting a power demand for charging the electric vehicles at the scheduled charging times and scheduled charging locations;determining that the power demand to charge the electric vehicles is greater or less than power made available by the power grid components at the charging stations; andcausing power to be reallocated among the power grid components in response to determination that the power demand to charge the electric vehicles is greater or less than power made available by the power grid components.2. The method of claim 1 , wherein ...

Primary-side power control for inductive power transfer

A method is provided for controlling the output voltage of a pickup in an inductive power transfer (IPT) system without any additional form of communications for feedback from the pickup to the power supply. The method comprising the steps of deriving an estimate of the output voltage of the pickup from the voltage across the primary conductive path, and adjusting the current in the primary conductive path so that the estimated pickup output voltage matches a required pickup output voltage. In particular, an estimate of the pickup output voltage is derived from the magnitude and phase angle of the voltage in the primary conductive path.

Contactless power receiving device, vehicle equipped with the same, contactless power transmitting device, and contactless power transfer system

A resonance coil of a vehicle resonates with a resonance coil of a power transmitting device via an electromagnetic field to thereby receive alternating-current power output from the resonance coil in a noncontact manner. An inverter receives the alternating-current power, received by the resonance coil, from an electromagnetic induction coil, converts the alternating-current power to direct-current power and outputs the direct-current power to a power line. In addition, the inverter converts direct-current power, received from the power line, to alternating-current power and outputs the alternating-current power to the electromagnetic induction coil in order to output electric power from the resonance coil to the resonance coil of the power transmitting device, and electric power is supplied to the resonance coil by the electromagnetic induction coil.

ELECTRODE, SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS

A battery is provided. The battery includes a cathode; an anode; an interlayer provided between the cathode and the anode; wherein the interlayer includes an electrolytic solution, a polymer compound, and one or more of a polyphosphate salt, a melamine salt, a metal hydroxide, and a metal hydrate. 1. A battery comprising:a cathode;an anode;an interlayer provided between the cathode and the anode;wherein the interlayer includes an electrolytic solution, a polymer compound, and one or more of a polyphosphate salt, a melamine salt, a metal hydroxide, and a metal hydrate.2. The battery according to claim 1 , further comprising a separator provided between the cathode and the anode claim 1 ,wherein the interlayer is provided between the cathode and the separator and partially enters into the cathode.3. The battery according to claim 1 , further comprising a separator provided between the cathode and the anode claim 1 ,wherein the interlayer is provided between the anode and the separator and partially enters into the anode.4. The battery according to claim 1 , further comprising a separator provided between the cathode and the anode claim 1 ,wherein the interlayer includes a first interlayer and a second interlayer, the first interlayer being provided between the cathode and the separator and partially entering into the cathode, and the second interlayer being provided between the anode and the separator and partially entering into the anode.5. The battery according to claim 2 ,wherein adhesion intensity of the interlayer with respect to the separator is higher than adhesion intensity of the interlayer with respect to the cathode.6. The battery according to claim 3 ,wherein adhesion intensity of the interlayer with respect to the separator is higher than adhesion intensity of the interlayer with respect to the anode.7. The battery according to claim 4 ,wherein adhesion intensity of the first interlayer with respect to the separator is higher than adhesion intensity of ...

Systems and methods for battery charging

A method of charging a battery includes coupling an electricity network or subnetwork to the battery using inductive power transfer, transferring electrical energy to the battery from the electricity network or subnetwork and varying the inductive power transfer using a controller of the electricity network or subnetwork according to at least one predetermined criteria of the electricity network or subnetwork. 171-. (canceled)72. A method of charging a battery , the method comprising:coupling an electricity network or subnetwork to the battery using inductive power transfer;transferring electrical energy to the battery from the electricity network or subnetwork; andvarying the inductive power transfer using a controller of the electricity network or subnetwork according to at least one predetermined criteria of the electricity network or subnetwork.73. The method as claimed in claim 72 , further comprising communicating between the controller of the electricity network or subnetwork and the battery to enable monitoring of charging of the battery.74. The method as claimed in claim 72 , wherein the at least one predetermined criteria comprises any one or more of:a time of day;a level of demand on the electricity network or subnetwork; anda level of available supply in the electricity network or subnetwork.75. The method as claimed in claim 72 , further comprising:coupling the electricity network or subnetwork to a plurality of batteries; andselectively transferring power to all batteries or a subset thereof.76. The method as claimed in claim 75 , further comprising varying an electricity mains frequency to determine battery load on the electricity network or subnetwork.77. A system for charging a battery claim 75 , the system comprising:a wireless coupler configured to couple an electricity network or subnetwork to the battery using inductive power transfer;a charger configured to transfer electrical energy to the battery from the electricity network or subnetwork; ...

BUILDING CONTROL SYSTEMS WITH OPTIMIZATION OF EQUIPMENT LIFE CYCLE ECONOMIC VALUE WHILE PARTICIPATING IN IBDR AND PBDR PROGRAMS

A method includes determining control setpoints for equipment based on a time-varying availability of green energy and revenue from an incentive program of an energy provider. The method also includes controlling the equipment using the control setpoints. 1. A method , comprising;determining control setpoints for equipment based on a time-varying availability of green energy and revenue from an incentive program of an energy provider; andcontrolling the equipment using the control setpoints.2. The method of claim 1 , wherein the time-varying availability of green energy comprises a prediction of a power output of a photovoltaic system.3. The method of claim 1 , wherein the incentive program is a frequency regulation program.4. The method of claim 1 , wherein the incentive program is a demand response program.5. The method of claim 1 , wherein determining the control setpoints comprises predicting the time-varying availability of green energy.6. The method of claim 5 , wherein predicting the time-varying availability of green energy comprises predicting solar intensity at a photovoltaic field.7. The method of claim 6 , wherein predicting the solar intensity is based on a size claim 6 , position claim 6 , or velocity of a cloud or shadow.8. The method of claim 1 , wherein determining the control setpoints comprises predicting the time-varying availability of green energy using a autoregressive moving average model or an autoregressive integrated moving average model.9. The method of claim 1 , wherein determining the control setpoints comprises predicting the time-varying availability of green energy using a stochastic state-space model.10. The method of claim 1 , wherein the control setpoints comprise a ramp rate for a power converter.11. The method of claim 1 , wherein the equipment comprises a battery and the control setpoints comprise a battery setpoint.12. A control system comprising a processor and non-transitory memory claim 1 , the memory storing instructions ...

Local demand side power management for electric utility networks

A demand side electric power supply management system is disclosed. The system comprises an islanded power system having a point of coupling to a supply grid. The islanded power system supplies a plurality of electric loads, each of which is associated with a load controller to control the maximum power demanded by that load. A measuring means associated with the point of coupling measures the total power transfer between the grid and the islanded system, and a system controller monitors the measured power transfer relative to a set point and provides a control signal to a plurality of load controllers. Each load controller receives substantially the same control signal and determines the maximum power which the or each load associated with the load controller is allowed to draw from the islanded power system based on information contained in the control signal.

System, method, and apparatus for settlement for participation in an electric power grid

Systems, methods, and apparatus embodiments for electric power grid and network registration and management of physical and financial settlement for participation of active grid elements in supply and/or curtailment of power, wherein Internet Protocol (IP)-based messages including IP packets are generated by transforming raw data content into settlement grade content. Settlement is provided for grid elements that participate in the electric power grid following initial registration of each grid element with the system, preferably through network-based communication between the grid elements and a coordinator, either in coordination with or outside of an IP-based communications network router. Messaging related to settlement is managed through a network by a Coordinator using IP messaging for communication with the grid elements, with the energy management system (EMS), and with the utilities, market participants, and/or grid operators.

Methods for electric vehicle (EV) charge location visual indicators, notifications of charge state and cloud applications

Methods for managing charge status of an electric vehicle (EV) at a charge unit (CU) and systems that use cloud processing, are provided. One method includes detecting connection of a charging connector of the charge unit to a vehicle charge port of the EV. The method also includes receiving charge status of the EV while the charging connector is connected to the CU and activating a visual indicator at the CU. The visual indicator is set indicative of the charge status of the EV. The method includes changing the visual indicator as the charge status of the EV changes. The method enables a user device to receive notifications of charge status and communicate with cloud processing to request changing of the visual indicator of the CU to a non-full state even when the EV is at a full state of charging.

SELF-CHARGING ELECTRIC VEHICLE AND AIRCRAFT AND WIRELESS ENERGY DISTRIBUTION SYSTEM

A system and method to provide fast charge and discharge of electrical power without wires between two elements configured to have resonant tuned coils and circuits. The coils are energized by a power source that includes super capacitors, fast charging batteries and oscillating power management system. 1. An electric vehicle charging system , comprising:a secondary resonant coil operatively connected to an electric vehicle, which is tuned to have a resonant frequency that is substantially the same as a resonant frequency of a primary resonant coil located outside the electric vehicle, wherein the primary resonant coil is operatively connected to a source of electrical power and the secondary resonant coil is wirelessly coupled to the primary resonant coil to receive the electric power from the primary resonant coil; anda power management system (PMS) that is configured to receive the electric power from the secondary resonant coil, the PMS including a processor, a software module controllably coupled to the processor, a high speed charging battery (HSCB) and a slow speed charging battery (SSCB); a first set of instructions that instruct the PMS to control a first power transfer rate used to transfer the electric power to a first charge stored on the HSCB; and', 'a second set of instructions that instruct the PMS to control a second power transfer rate used to transfer the electric power to a second charge stored on the SSCB., 'wherein the software module includes2. The electric vehicle charging system of claim 1 , wherein one of the first set of instructions and the second set of instructions are activated to transfer the electric power based upon a condition monitored by the PMS.3. The electric vehicle charging system of claim 2 , wherein the condition is related to a level of the first charge.4. The electric vehicle charging system of claim 2 , wherein the condition is related to a level of the second charge.5. The electric vehicle charging system of claim 1 , ...

System, method, and apparatus for settlement for participation in an electric power grid

Systems, methods, and apparatus embodiments for electric power grid and network registration and management of physical and financial settlement for participation of active grid elements in supply and/or curtailment of power. Settlement is provided for grid elements that participate in the electric power grid following initial registration of each grid element with the system, preferably through network-based communication between the grid elements and a coordinator, either in coordination with or outside of an IP-based communications network router. A multiplicity of active grid elements function in the grid for supply capacity, supply and/or load curtailment as supply or capacity, and are compensated through settlement for their functional participation in the electric power grid. Also, messaging related to settlement is managed through a network by a Coordinator using IP messaging for communication with the grid elements, with the energy management system (EMS), and with the utilities, market participants, and/or grid operators.

SECURITY MANAGEMENT ACCORDING TO LOCATION CHANGE IN PROXIMITY BASED SERVICES

A mobile communication system for ProSe (Proximity Services) includes a plurality of User Equipments (UEs) that are in proximity and form a group for a ProSe direct communication, and a network that directly connects to the plurality of UEs. The plurality of UEs obtains a group ID from the network and sends a request message to the network. The network checks the plurality of UEs, derives a first security key related to the group, and sends a response message including the first security key to the plurality of UEs. The plurality of UEs derives a second security key based on the first security key and protects the ProSe direct communication by using the second security key. 1. A mobile communication system for ProSe (Proximity Services) , the mobile communication system comprising:a plurality of User Equipments (UEs) that are in proximity and form a group for a ProSe direct communication; anda network that directly connects to the plurality of UEs,wherein the plurality of UEs obtains a group ID from the network and sends a request message to the network,wherein the network checks the plurality of UEs, derives a first security key related to the group, and sends a response message including the first security key to the plurality of UEs, andwherein the plurality of UEs derives a second security key based on the first security key and protects the ProSe direct communication by using the second security key.2. The mobile communication system of claim 1 , wherein the ProSe direct communication between the plurality of UEs supports confidentiality.3. The mobile communication system of claim 1 , wherein the response message includes a group member ID and the first security key.4. A network in a mobile communication system for ProSe (Proximity Services) claim 1 , the network comprising:a receiver configured to receive a request message from a plurality of User Equipments (UEs) that are in proximity and form a group for a ProSe direct communication;a controller configured ...

Vehicle power supply system

A vehicle power supply system includes a power monitor device that detects supply power from a battery and a generator to a home electrical appliance and a control unit that performs a supply power excess determination and a supply power variance determination using a detection value of the power monitor device when a driving of a vehicle is stopped to control a rotational speed of an engine according to determination results.

Masterless distributed power transfer control

A method of power transfer control among a plurality of power sources coupled through a distribution system. The method comprises determining, at each power source of the plurality of power sources, an assignment of priorities for each of the plurality of power sources. The method also comprises obtaining, at each power source, information indicating an availability of each of the plurality of power sources and determining a set of available power sources, and identifying, at each power source, a preferred power source and a standby power source from the plurality of power sources. The method further comprises determining to change the preferred power source from a first power source to a second power source in response to detecting a condition, and conducting the power transfer.

Power metering system, method and system for monitoring power consumed by load

Disclosed embodiments relate to a power metering system, a method and a system for monitoring power consumed by loads by using the power metering system. In some embodiments, the system for monitoring power consumed by loads includes an external power supply source, a renewable energy sources, a distribution board, one or more power metering systems, and a monitoring server.

Systems and methods for optimizing microgrid power generation and management with predictive modeling

Systems and methods for coordinating selective activation of a multiplicity of emergency power generation equipment over a predetermined geographic area for distribution and/or storage to supply a microgrid of electrical power for a substantially similar geographic area.

Charging control system and charging control method

A charging control system that controls charging for a vehicle that runs on electricity, including at least one rechargeable unit; a charging unit that charges the vehicle or the rechargeable unit with electricity; and a charging control unit that controls charging such that when the charging time for the vehicle by the charging unit is a predetermined time or shorter than the predetermined time, the vehicle is charged with electricity from the rechargeable unit.

Hybrid vehicle

A power I/F unit is for outputting at least one of electric power stored in a power storage device and electric power generated by a motor generator driven by an engine to outside of a vehicle. An ECU selectively executes a first power feeding operation in which external power feeding is performed with the engine actuated and a second power feeding operation in which external power feeding is performed with the engine stopped. The ECU executes the first power feeding operation for a predetermined period from the start of external power feeding.

APPARATUS, METHOD AND ARTICLE FOR REDISTRIBUTING POWER STORAGE DEVICES, SUCH AS BATTERIES, BETWEEN COLLECTION, CHARGING AND DISTRIBUTION MACHINES

A network of collection, charging and distribution machines collect, charge and distribute portable electrical energy storage devices. To charge, the machines employ electrical current from an external source. As demand at individual collection, charging and distribution machines increases or decreases relative to other collection, charging and distribution machines, a distribution management system initiates redistribution of portable electrical energy storage devices from one collection, charging and distribution machine to another collection, charging and distribution machine in an expeditious manner. Also, redeemable incentives are offered to users to return or exchange their portable electrical energy storage devices at selected collection, charging and distribution machines within the network to effect the redistribution. 1. A method of operating a distribution management system for portable electrical energy storage devices , the method comprising:receiving, by a distribution management system for portable electrical energy storage devices, information tracking physical exchanges of portable electrical energy storage devices for charged portable electrical energy storage devices at a plurality of distribution machines for distribution of portable electrical energy storage devices;analyzing, by the distribution management system, the information tracking physical exchanges of portable electrical energy storage devices for charged portable electrical energy storage devices to determine a physical redistribution of portable electrical energy storage devices between the plurality of distribution machines; andsending, by the distribution management system, information initiating the physical redistribution of portable electrical energy storage devices between the plurality of distribution machines.2. The method of wherein the sending the information includes causing a message to be sent claim 1 , the message including information identifying a selected one or more ...

Energy generation and storage system with electric vehicle charging capability

An inverter includes a battery pack connection for supplying energy to or receiving energy from a photovoltaic string, a battery pack, an AC grid connection for supplying power to or receiving power from an AC grid, a connection for supplying power to a home back-up load, an electric vehicle connection for supplying to and receiving power from an electric vehicle (EV) battery, and a control input configured to receive one or more control signals for controlling the flow of power within the inverter. The inverter, under the control of the one or more control signals, converts power received from one of different power sources and provides the converted power to charge a battery of the EV.

LOCATION-BASED ELECTRIC POWER MEDIATION MODULE, ELECTRIC VEHICLE, MEDIATION SERVER, AND USER CERTIFICATION SOCKET OR CONNECTOR

The present invention relates to a location-based charging/discharging power mediation system of an electric vehicle, and more particularly to a module, an electric vehicle, and an intermediate server for location-based charging/discharging power mediation. The present invention also relates to a user authentication socket or connector used in the power mediation system. A module for location-based power mediation comprises: a location and time identification unit that identifies a location and a time of an electric vehicle from one or more of information from a global navigation satellite system, Local Positioning System (LPS) information, and earth magnetic field information; a power measurement unit that monitors input/output power to/from the electric vehicle in real time; and a wireless communication unit that transmits location and time information of the electric vehicle and information on the input/output power to the outside. An electric vehicle power mediation subscriber charges/discharges a battery of the electric vehicle through a building of a power subscriber by inserting a plug of the electric vehicle into a socket of the building of the power subscriber. A location of the building and the power subscriber are identified by transmitting the location and time information of the electric vehicle. 1. A module for location-based power mediation comprising:a location and time identification unit that identifies a location of an electric vehicle and a time at the location of the electric vehicle;a power measurement unit that monitors input/output power to/from the electric vehicle in real time; anda wireless communication unit that transmits location and time information concerning the location and the time at the location of the electric vehicle and information on the input/output power to an intermediate server,wherein an electric vehicle power mediation subscriber charges/discharges a battery of the electric vehicle through a building of a power ...

REMOTE BATTERY MANAGEMENT SYSTEM, MANAGEMENT DEVICE, AND REMOTE BATTERY MANAGEMENT METHOD

A system and a device are provided. The system includes a battery system and a management device, where the management device transmits a request for customer permission to use electric power stored at the battery system, receives a response to the request, and upon the response permitting use, operate the battery system to supply electric power to an external power grid. 1at least one battery system;a management device connected to the at least one battery system, the management system comprising:at least one memory configured to store computer program code; and transmission code configured to cause at least one of the at least one processor to transmit a request for customer permission to use electric power stored at the at least one battery system, to an electronic input module of a customer,', 'reception code configured to cause at least one of the at least one processor to receive a response to the request from the electronic input module, and', 'operation code configured to cause at least one of the at least one processor to, upon the response being a response permitting use, operate the at least one battery system to supply electrical power to an external power grid., 'at least one processor configured to access the at least one memory and operate according to the computer program code, the computer program code including. A system comprising: This application is a Continuation of U.S. patent application Ser. No. 14/729,697 filed Jun. 3, 2018, the entire contents of which is hereby incorporated by reference in its entirety.The invention relates to a remote battery management system, a management device for such a system and a remote battery management method.Whenever the sum of all electrical power supplied to an electrical power grid by energy suppliers falls short of the sum of all electrical power extracted from the grid by customers, there is a danger that the grid supply becomes unstable and eventually breaks down. An overabundance of power supplied to ...

Power supply system

A power supply system includes a fuel cell system having a fuel cell that is mounted on a vehicle, and a controller for controlling the fuel cell system. The controller performs control to operate the fuel cell by switching as appropriate between a driving mode in which the vehicle travels, and an external power supply mode for supplying electric power to an external load. In the driving mode, a first voltage is set as a high-potential avoiding voltage, and in the external power supply mode, a second voltage that is higher than the first voltage is set as the high-potential avoiding voltage.