A device that is used for distribution network analysis and evaluation

The utility model discloses a device that is used for distribution network analysis and evaluation belongs to distribution network analysis and evaluation field, a plurality of acquisition terminals, high in the clouds server and analysis center PC end including the access network, high in the clouds server and acquisition terminal between be connected through the wireless network mode, acquisition terminal the power information collector, AD converter, DSP treater and the wireless communication module that connect including the order, its characterized in that: installation control by temperature change unit in the acquisition terminal casing, the control by temperature change unit include inside temperature digital sensor, control chip, ventilation unit and heating device, inside temperature digital sensor output port and control chip input ports are connected, control chip output port be connected with ventilation unit and heating device respectively. Compared with the prior art, the ...

Photovoltaic power generation system stability verification method and apparatus

The invention discloses a photovoltaic power generation system stability verification method and an apparatus. The method comprises the following steps: acquiring current operation data of a load in a photovoltaic power generation system; according to the current operation data, determining capacity configuration scopes of a plurality of units in the photovoltaic power generation system, wherein the plurality of units comprises a photovoltaic power generation unit, an energy storage unit and a controllable micro power supply unit; according to the capacity configuration scopes, determining verification sample data, wherein the verification sample data is used for carrying out stability verification on the photovoltaic power generation system; according to the verification sample data, carrying out the stability verification on the photovoltaic power generation system. In the photovoltaic power generation system stability verification method of the related technology, volatility of the load ...

Electronic dictionary generating system

Entry query method and system thereof

The invention provides an entry query method and a system thereof. The entry query method comprises the steps of: inputting a to-be-queried entry by a user; carrying out basic word treatment on the entry to obtain a basic word of the to-be-queried entry; and according to a character database, outputting a relevant lexical meaning corresponding to the basic word obtained from the basic word treatment, and the like. With the entry query method, the relevant lexical meaning corresponding to the basic word obtained in the basic word treatment can be output to users according to the character database.

General modular circuit board structure

The invention discloses a general modular circuit board structure. The general modular circuit board structure comprises at least two circuit boards which are connected with each other; a plurality of interfaces which are used for carrying an electric connector are distributed on every circuit board; the interfaces are connected with an electronic element which is arranged on the corresponding circuit board through a conductive pattern; function signal sets can be transmitted through the interfaces and via the electric connector which is carried on the interfaces due to the circuit boards which are connected with each other; the interfaces which are corresponding to the same function signal set and are arranged on the different circuit boards comprise the consistent interface pin definition. According to the general modular circuit board structure, the repeated use of the circuit boards which are corresponding to function modules respectively can be implemented and accordingly resources ...

Lubricated oil drip case of coal -winning machine

The utility model discloses a lubricated oil drip case of coal -winning machine, including the oil tank, the lower part is connected with the oil drip mouth through oil pipe respectively in the oil tank both sides, all is provided with the stop valve on the oil pipe of both sides, and the oil tank top is provided with the oil inlet. The utility model relates to a lubricated oil drip case of coal -winning machine, the lid on the oil inlet can prevent that the coal dust falls into the oil tank in the mine, the flow of oil drip can be controlled at any time to providing of stop valve, also can be in that the oil drip case is not closed to the time spent, smooth oil drip can be guaranteed to the oil drip mouth of loudspeaker shape, can guarantee also that the lubricating oil will not flows down along oil pipe's outer wall, and directly drips to by on the lubricated driving medium, guarantees the lubricated effect of the corresponding driving medium of coal -winning machine, the oil pipe and ...

Liquid level detection ware for water dispenser

The utility model discloses a liquid level detection ware for water dispenser, the liquid level detection ware is connected with the control chip who receives the liquid level signal, the liquid level detection ware includes: a plurality of responses end, at least one touch -sensitive ware, the touch -sensitive utensil has a plurality of touch -sensitive passageways, response end with the input of touch -sensitive passageway is connected to via outside capacity ground, the output that is connected with the touch -sensitive passageway of response end is anodal via pull -up ohmic connection power VCC, and with control chip's IO interface is connected, be used for for the power VCC of touch -sensitive ware power supply. The utility model provides a liquid level detection ware for water dispenser, detection of water level accuracy, simple structure, economy and durability. The utility model discloses can separate this medium of response end and detect the water -level fluctuation in the water ...

Photovoltaic power generation control method and apparatus and photovoltaic power generation system

The invention provides a photovoltaic power generation control method and apparatus and a photovoltaic power generation system. The photovoltaic power generation control method comprises the steps of: obtaining current running data of loads in the photovoltaic power generation system; determining target power according to the current running data, wherein the target power is the sum of power of each of different types of loads; determining the minimum capacity of energy storage batteries in the photovoltaic power generation system according to the target power; configuring the energy storage batteries to be the energy storage batteries with the minimum capacity; and controlling the energy storage batteries to execute electric energy receiving or outputting. Through the photovoltaic power generation control method and apparatus and the photovoltaic power generation system, the problem of low load response speed of the photovoltaic power generation system caused by no consideration of actual ...

A device for distribution network aassessment

The utility model discloses a device for distribution network aassessment belongs to and joins in marriage the power grid technology field, its characterized in that: including one or more acquisition terminal, third party wireless base station, high in the clouds server, PC customer end, the acquisition terminal include signal acquisition module, AD conversion module, singlechip, memory and wireless communication module, signal acquisition module output port and AD conversion module's input port be connected, AD conversion module output port connects the singlechip, the singlechip is connected with memory and wireless communication module respectively, wireless communication module pass through wireless connectivity third party wireless base station, the high in the clouds server inserts the communications network at third party wireless base station place, the PC customer end is connected to the high in the clouds server, wireless communication module pass through the wireless communication ...

Push type plow discharger

The invention discloses a push type plow discharger which comprises a rack and a lifting device arranged on the rack, a bilateral limiting device is arranged at the end of the lifting device, a rotating carrier roller device is arranged on the bilateral limiting device, a belt is arranged on the rotating carrier roller device in a sleeving mode, and an auxiliary transmission device is connected to the rotating carrier roller device. The lifting device controls the belt and the two-side limiting device to synchronously move to the conveying belt to change the material flow direction, and friction force generated by contact of the auxiliary transmission device and the conveying belt drives the rotary carrier roller device to drive the belt to rotate, so that the belt has sub-motion in the same direction as the conveying belt; compared with the prior art, friction damage between the conveying belt and the belt is reduced, the service life is prolonged, the belt has the sub-movement towards ...