Настройки

Укажите год
-

Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год
Применить Всего найдено 14. Отображено 14.
04-08-2023 дата публикации

Rapid fault positioning method for active power distribution network

Номер: CN116540022A
Автор: HUANG LEI, ZHOU ZHONGQIANG, FANG XI, WANG SHI, LI JING, WU WEI, LIU YING, MEI JIAXIN, WU PENG, JIANG DAN, YANG CHONGPIN, LIU JUN, HAN LU, TIAN HANLIN, LONG XIAOHUI, FENG YE, ZHANG XIANWEN, HU HUI, LIU ZHENQIU, TAN YANG, WU SHOUCHANG, YU QUN, AI DAN, FU YIZHOU, YANG CHEN, YANG ZHOU, SUN XING
Принадлежит:

The invention discloses a rapid fault positioning method for an active power distribution network, and the method comprises the steps: carrying out the real-time topology search to obtain adjacent switch devices and switch states, and forming a switch real-time connection relation table and a searched switch device set; acquiring post-fault current amplitude and direction acquired at each switch in the switch equipment set; reading a switch real-time connection relation table to obtain adjacent switches and current amplitudes and current directions of the adjacent switches; judging whether the fault current direction of the downstream switch is less than or equal to 0, and if the current direction is in a 1 state, determining that the section is a non-fault section; if the fault current directions recorded by all the switches in the section are smaller than or equal to 0, the section is a fault section; for the fault section, continuously searching the next section according to the switch ...

Подробнее
Номер записи: 1
08-08-2023 дата публикации

Construction method for power distribution network CIM model expansion

Номер: CN116561944A
Автор: HUANG LEI, ZHOU ZHONGQIANG, FANG XI, WANG SHI, LI JING, WU WEI, LIU YING, MEI JIAXIN, WU PENG, JIANG DAN, YANG CHONGPIN, LIU JUN, HAN LU, TIAN HANLIN, LONG XIAOHUI, FENG YE, ZHANG XIANWEN, HU HUI, LIU ZHENQIU, TAN YANG, WU SHOUCHANG, YU QUN, AI DAN, FU YIZHOU, YANG CHEN, YANG ZHOU, SUN XING
Принадлежит:

The invention discloses a power distribution network CIM model expansion construction method, and relates to the technical field of power distribution network planning, and the method comprises the following steps: S1, storing expansion information; s2, constructing an expansion structure; s3, index determination: a fault diffusion method: taking the original expansion structure of the power distribution network as expansion input, calling the number of low-voltage users of transformer area users in a marketing system as user input for calculation, and obtaining a reliability index value of the power distribution network; and S4, completing expansion planning. Power distribution network equipment parameters and extension information are stored in texts and attributes of nodes in a CIM model of a power distribution network system in a CIM/XML file form, and running state and planning state power distribution network equipment parameters and topological information are stored in the CIM/XML ...

Подробнее
Номер записи: 2
04-08-2023 дата публикации

Overall technology construction method for power grid enterprise marketing and distribution information fusion

Номер: CN116542632A
Автор: HUANG LEI, ZHOU ZHONGQIANG, FANG XI, WANG SHI, LI JING, WU WEI, LIU YING, MEI JIAXIN, WU PENG, JIANG DAN, YANG CHONGPIN, LIU JUN, HAN LU, TIAN HANLIN, LONG XIAOHUI, FENG YE, ZHANG XIANWEN, HU HUI, LIU ZHENQIU, TAN YANG, WU SHOUCHANG, YU QUN, AI DAN, FU YIZHOU, YANG CHEN, YANG ZHOU, SUN XING
Принадлежит:

The invention discloses an overall technology construction method for power grid enterprise marketing and distribution information fusion, and the method comprises the following steps: S1, describing a problem; s2, investigation and analysis; s3, business process: monitoring whether the interface between the PMS and the OMS is developed or not through investigation, analysis and monitoring whether the interface between the PMS and the marketing business application system is developed or not; researching and developing a marketing, distribution and dispatching data intelligent checking tool, and monitoring whether data between a PMS and an OMS are successfully transmitted, whether data between the PMS and the OMS are transmitted in real time, whether data between the PMS and a marketing business application system are transmitted in real time, and whether data between the PMS and the marketing business application system are transmitted in real time, and whether data between the PMS and ...

Подробнее
Номер записи: 3
26-05-2023 дата публикации

Bus voltage pre-adjustment method based on load change

Номер: CN116169774A
Автор: HUANG LEI, WANG SHI, TIAN CHUAN, FANG XI, LIU JUN, YANG CHONGPIN, MEI JIAXIN, WU PENG, LIU YING, ZHUO FEI, HAN LU, TIAN HANLIN
Принадлежит:

The invention discloses a bus voltage pre-adjustment method based on load change. The bus voltage pre-adjustment method comprises the following steps of S1, directly displaying a full-area heavy and overload main transformer/line to a dispatching automation system platform through a man-machine display interface; s2, automatically analyzing the heavy overload condition of the line/main transformer according to time periods, forming a report form, predicting the heavy overload condition possibly occurring in the current time period according to historical data, and timely reminding dispatchers to take preventive measures in advance; and S3, predicting the line/main transformer load change condition in the next time period according to the historical operation data of the line/main transformer load. According to the invention, the accuracy and effectiveness of power grid operation management and control by scheduling personnel can be practically improved, the scheduling personnel can be timely ...

Подробнее
Номер записи: 4
26-05-2023 дата публикации

Method for judging grounding position of line

Номер: CN116165474A
Автор: HUANG LEI, WANG SHI, TIAN CHUAN, LIU JUN, FANG XI, YANG CHONGPIN, MEI JIAXIN, WU PENG, LIU YING, ZHUO FEI, HAN LU, TIAN HANLIN
Принадлежит:

The invention discloses a method for judging the grounding position of a line, and the method comprises the following steps: S1, collecting the zero-sequence current information of an intelligent switch of a line with a grounding fault within one year, carrying out the analysis, and carrying out the analysis through combining with the actual position of the fault found on site; s2, sorting zero-sequence current of all the intelligent switches and uploading data; s3, the development software generates disconnection of a certain intelligent switch by the distribution network automation master station to isolate the grounding point, and the dispatcher executes disconnection of the switch to isolate the grounding point after verification is correct; and S4, the development software directly executes the distribution network automation grounding selective tripping intelligent switch program in a closed-loop manner by the distribution network automation system. The grounding position can be quickly ...

Подробнее
Номер записи: 5
25-04-2023 дата публикации

Configuration type low-voltage power distribution network real model simulation system and test method thereof

Номер: CN116008689A
Автор: HUANG LEI, ZHOU ZHONGQIANG, FANG XI, WANG SHI, LI JING, WU WEI, LIU YING, MEI JIAXIN, WU PENG, JIANG DAN, YANG CHONGPIN, LIU JUN, HAN LU, TIAN HANLIN, LONG XIAOHUI, FENG YE, ZHANG XIANWEN, HU HUI, LIU ZHENQIU, TAN YANG, DONG JUNJUN, ZHOU XIAOKANG, YAN PENG, MAO XIAOYI
Принадлежит:

The invention discloses a configuration type low-voltage power distribution network real model simulation system and a test method thereof, and the system comprises a physical simulation system, a measurement control system, a test scene management system and a communication system, and the test scene management system is connected with the physical simulation system and the measurement control system through a communication electric/optical cable. The physical simulation system is connected with the measurement control system through a secondary cable. The test method comprises the following steps: drawing a low-voltage power distribution network model on the test scene management system and executing the model; according to experimental requirements to be tested, primary low-voltage intelligent equipment or primary low-voltage simulation equipment is connected; secondary measurement and control equipment is connected according to experimental requirements to be measured; and starting ...

Подробнее
Номер записи: 6
23-05-2023 дата публикации

Unit combination based on new energy consumption and energy management optimization system thereof

Номер: CN116154836A
Автор: LAI YIBO, FAN LIBO, HAN RONGJIE, SUN ZHIQING, ZHAO BO, ZHANG XUESONG, ZHANG JIARUI, TU YONGWEI, HUANG CHIA BIN, FANG XIANG, XUAN YI, JIANG JIAN, WU JING, XU GUOFENG, TONG XIAOFAN, MA QINHUI, LIU MIN, JIANG TAO, XIA XIAOCHUN, LU WEI, JIN JIANHUA, TIAN HANLIN, ZHANG LEIQI, LI ZHIHAO, PENG KAIYANG, FAN JIANZHONG
Принадлежит:

The invention provides a unit combination based on new energy consumption and an energy management optimization system thereof, and relates to the technical field of new energy utilization, and the unit combination comprises a photovoltaic generator set, a wind turbine generator set, a hydrogen production unit, a hydrogen fuel cell generator set and an energy storage unit which provide electric energy and heat energy for a user side. The energy management optimization system comprises a data monitoring acquisition subsystem, a data communication subsystem, an optimization scheduling subsystem and a regulation and control subsystem. The energy consumption information data of the user side and the productivity information data of the energy supply side are monitored, collected and analyzed in real time, an optimized scheduling scheme is given, and the output power of each energy supply unit of the energy supply side and/or the output/absorption power of the energy storage unit are/is regulated ...

Подробнее
Номер записи: 7
25-04-2023 дата публикации

Topological structure of power secondary system-power dispatching data network

Номер: CN116016194A
Автор: HUANG LEI, ZHOU ZHONGQIANG, FANG XI, WANG SHI, LI JING, WU WEI, LIU YING, MEI JIAXIN, WU PENG, JIANG DAN, YANG CHONGPIN, LIU JUN, HAN LU, TIAN HANLIN, LONG XIAOHUI, FENG YE, ZHANG XIANWEN, HU HUI, LIU ZHENQIU, TAN YANG, YANG DAIXI, LONG LI, DENG FENGYI, LUO BO
Принадлежит:

The invention discloses a topological structure of a power secondary system service-power dispatching data network. The topological structure comprises a telecontrol service system, a relay protection information service system and a WAMS service system, wherein the telecontrol service system and the relay protection information service system are arranged in a real-time control area of the dispatching data network, and the WAMS service system is arranged in a non-real-time control area. Each service system transmits the information acquired by the substation to the power dispatching data network; a control area switch and a non-control area switch are arranged between the substation and the dispatching data network and are isolated from each other through a transverse firewall, the control area switch is downwards connected with an operation and maintenance gateway shutdown and upwards connected with a longitudinal encryption device, and the longitudinal encryption device is connected ...

Подробнее
Номер записи: 8
16-07-2014 дата публикации

Nano-sol for forming anti-aging and stain-resistant nano-coating and preparation method and application thereof

Номер: CN103923501A
Автор: CHEN AIYING, TIAN HANLIN, LIU XING, SUN YANYAN, DI WENQI, PAN DENG
Принадлежит:

The invention discloses nano-sol for forming an anti-aging and stain-resistant nano-coating and a preparation method thereof. The nano-sol for forming the anti-aging and stain-resistant nano-coating comprises the following components in percentage by weight: 0.1-10% of nano-TiO2 sol, 0.1-20% of sodium silicate, 0.1-5% of cerium oxide sol, 0-0.1% of colorant and the balance of water or mixed solution consisting of ethanol and water. The preparation method comprises the steps of firstly preparing the nano-TiO2 sol by adopting a sol-gel method, then preparing the Ce2O3 sol, then adding sodium silicate and the Ce2O3 sol into the nano-TiO2 sol, uniformly stirring, further adding the colorant, and finally adding the balance of water or the mixed solution consisting of ethanol and water to obtain the nano-sol for forming the anti-aging and stain-resistant nano-coating. The nano-coating which is used for a color-coated plate and obtained by coating has the properties of aging resistance, stain ...

Подробнее
Номер записи: 9
04-08-2023 дата публикации

Fault feature judgment method for power distribution network containing distributed power supply

Номер: CN116540023A
Автор: HUANG LEI, ZHOU ZHONGQIANG, FANG XI, WANG SHI, LI JING, WU WEI, LIU YING, MEI JIAXIN, WU PENG, JIANG DAN, YANG CHONGPIN, LIU JUN, HAN LU, TIAN HANLIN, LONG XIAOHUI, FENG YE, ZHANG XIANWEN, HU HUI, LIU ZHENQIU, TAN YANG, WU SHOUCHANG, YU QUN, AI DAN, FU YIZHOU, YANG CHEN, YANG ZHOU, SUN XING
Принадлежит:

The invention discloses a fault feature judgment method for a power distribution network containing a distributed power supply, and the method comprises the following steps: S1, obtaining fault information: obtaining a line fault and switching information through a secondary line terminal device, transmitting the line fault and switching information to a control system, and carrying out the preliminary judgment through the control system according to the line fault information, and determining the tripping range of a line; s2, positioning system data; s3, determining a fault position: calling GIS (Geographic Information System) data by the control system, and fusing data of a lightning positioning system to determine a fault line position; and S4, performing logic judgment. According to the invention, the control system carries out multiple times of judgment on the line fault information to determine the fault line and finally carries out manual verification, so that the result is more ...

Подробнее
Номер записи: 10
26-05-2023 дата публикации

Method for judging fault point of 10kV line of distribution network

Номер: CN116165475A
Автор: HUANG LEI, FANG XI, TIAN CHUAN, LIU JUN, WANG SHI, YANG CHONGPIN, MEI JIAXIN, WU PENG, LIU YING, ZHUO FEI, HAN LU, TIAN HANLIN
Принадлежит:

The invention discloses a method for judging a fault point of a 10kV line of a distribution network, which can accurately point out a power failure range so as to greatly reduce the fault finding time, thoroughly realize the change of a non-intelligent switch fault positioning mode from'intuition and experience 'to'relying on intuition and accuracy', greatly improve the power supply reliability and improve the power supply reliability. And the fault finding time is expected to be saved by more than 90%.

Подробнее
Номер записи: 11
23-06-2023 дата публикации

Network boundary illegal interconnection detection method and system

Номер: CN116318771A
Автор: YU YUNHAO, YANG YIYUE, CHEN SHANFENG, TIAN HANLIN, DICHA MEILING, LUO FUHUA, ZHANG BODA
Принадлежит:

The invention discloses a network boundary illegal interconnection detection method and system, and the system comprises an intranet illegal interconnection detection device which is disposed in a user intranet in a bypass manner, injects an Internet detection instruction into a detected device in the intranet in an active scanning and passive flow cheating manner, and detects the illegal external connection condition of a terminal in the network; the intranet violation interconnection edge detector is used for carrying out equipment perception and external connection detection on a network access layer; the Internet external connection monitoring server is deployed in the Internet and used for receiving a detection request when the intranet terminal is in illegal external connection, and when it is found that the intranet equipment is externally connected with the monitoring server or the terminal equipment accesses the monitoring server by using an illegal Internet exit, the Internet ...

Подробнее
Номер записи: 12
18-04-2023 дата публикации

Medium-voltage power distribution network moving die system

Номер: CN115986917A
Автор: HUANG LEI, ZHOU ZHONGQIANG, FANG XI, WANG SHI, LI JING, WU WEI, LIU YING, MEI JIAXIN, WU PENG, JIANG DAN, YANG CHONGPIN, LIU JUN, HAN LU, TIAN HANLIN, LONG XIAOHUI, FENG YE, ZHANG XIANWEN, HU HUI, LIU ZHENQIU, TAN YANG, WU SHOUCHANG, YU QUN, AI DAN, FU YIZHOU, AO ZHIMIN
Принадлежит:

The invention discloses a medium-voltage power distribution network dynamic simulation system, which comprises a physical simulation system, a measurement control system, a dynamic simulation test scene management system and a communication system, and is characterized in that the physical simulation system is connected with the measurement control system through a secondary cable; the physical simulation system, the measurement control system and the dynamic simulation test scene management system are connected through the communication system. The working environment of electrical equipment is simulated, arbitrary configuration of the distribution network access equipment is realized, various typical medium-voltage distribution network frame structures are flexibly established, and simulation of various fault scenes can be realized; theoretical and data support is provided for development of work such as medium-voltage distribution network energy conservation and loss reduction standard ...

Подробнее
Номер записи: 13
07-04-2023 дата публикации

RTDS-based primary and secondary fusion simulation system

Номер: CN115935899A
Автор: HUANG LEI, ZHOU ZHONGQIANG, FANG XI, WANG SHI, LI JING, WU WEI, LIU YING, MEI JIAXIN, WU PENG, JIANG DAN, YANG CHONGPIN, LIU JUN, HAN LU, TIAN HANLIN, LONG XIAOHUI, FENG YE, ZHANG XIANWEN, HU HUI, LIU ZHENQIU, TAN YANG, YANG DAIXI, LONG LI, DENG FENGYI, LUO BO
Принадлежит:

The invention discloses an RTDS-based primary and secondary fusion simulation system, which comprises an RTDS simulator, an interface module and a fault database, and is characterized in that the RTDS simulator is respectively connected with a primary system and a secondary device to form a primary simulation system and a secondary simulation system, and the fault database provides a data interface for the primary simulation system and the secondary simulation system. And data conversion of effective fusion of primary and secondary systems is realized. The primary simulation system performs simulation analysis on a short-circuit fault of the primary system of the power distribution network, displays electrical quantity signals such as voltage and current during the fault, and provides an electrical quantity data source under the fault. And the secondary system receives the fault signal data of the primary system, and performs a protection action in combination with a related protection ...

Подробнее
Номер записи: 14