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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

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Мониторинг СМИ

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

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 10. Отображено 10.
30-05-2023 дата публикации

Harmonic wave processing method and device and computer equipment

Номер: CN116187674A
Автор: WANG WEI, YU XIJUAN, SHI ENJIE, WANG HAIYUN, ZHANG ZAICHI, CHEN QIAN, ZHANG YUXUAN, YANG LIPING, YAO YIDI, XU PENG
Принадлежит:

The invention discloses a harmonic wave processing method and device and computer equipment. The method comprises the following steps: detecting harmonic data of a target park; under the condition that the detected harmonic data exceed a preset harmonic threshold value, obtaining a first harmonic contribution degree of a power grid system side and a second harmonic contribution degree of a park object in the target park; and based on the first harmonic contribution degree, determining a first apportioned cost of the cost of the power grid system side in managing the harmonic waves, and based on the second harmonic contribution degree, determining a second apportioned cost of the cost of the park object in managing the harmonic waves. The technical problems that harmonic pollution treatment is insufficient, and reasonable harmonic treatment schemes acceptable by users are lacked are solved.

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Номер записи: 1
16-05-2023 дата публикации

Equipment maintenance plan arrangement optimization method and device, electronic equipment and medium

Номер: CN116128246A
Автор: HAN WEI, WANG MIAO, ISHIGAMI TAKASHI, LI LI, CHEN LING, CHEN BIN, GUO JIUYU, FAN HAIWEI, CHEN ZHENGPING, YANG NAN, SUN LUE, LI JIE, SHA LICHENG, ZHANG ZAICHI, SUN BO, LUO YADI, LI LIXIN, LI JINGSONG, YU YIJUN, DI FANGCHUN, NING JIAN, GUO JUN, WANG SHAOFANG, ZHANG YIN, MA XIAOCHEN, WANG WEI, LANG YANSHENG, SONG XURI, TAO LEI, LIU SHENG, MEN DEYUE
Принадлежит:

The invention belongs to the technical field of electric power automation, and discloses an equipment maintenance plan arrangement optimization method and device, electronic equipment and a medium. The method comprises the steps of obtaining a period type of a maintenance plan, and creating an evaluation knowledge table according to the period type; performing maintenance simulation based on the historical power grid data and the maintenance equipment set to obtain feedback power grid state information, and updating the evaluation knowledge table through the feedback power grid state information; meanwhile, the evaluation knowledge table is updated based on manual historical operation experience; obtaining a final evaluation knowledge table; selecting information corresponding to equipment included in a preset equipment list from the final evaluation knowledge table to form a new evaluation knowledge table; based on the quantized value of the future power grid state and the to-be-overhauled ...

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Номер записи: 2
23-05-2023 дата публикации

Model parameter identification method and device and computer equipment

Номер: CN116150924A
Автор: CHEN QIAN, WANG WEI, CHEN XIAOYUE, WANG FANGYU, ZHOU YUNBIN, CHUNG JI-HYE, WANG HAIYUN, DONG NAN, CUI HAN, ZHANG SHAOFENG, ZHANG ZAICHI, ZHANG ZHIJIAN, YANG LIPING, WEI HUAYUE
Принадлежит:

The invention discloses a model parameter identification method and device and computer equipment. The method comprises the following steps: constructing a grid-connected simulation model of the photovoltaic power generation system based on structural components included in the photovoltaic power generation system; generating test data of the photovoltaic power generation system at the grid-connected point based on the predetermined test condition parameters and the grid-connected simulation model; based on the test data, changing the working state of the photovoltaic power generation system to obtain change result data of the photovoltaic power generation system at the grid-connected point; determining an equivalent circuit model of the grid-connected simulation model based on the change result data; and based on the change result data, identifying parameters of the equivalent circuit model by adopting a non-mechanism black box method to obtain model parameters of the equivalent circuit ...

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Номер записи: 3
07-04-2023 дата публикации

Power supply switching method and device, nonvolatile storage medium and electronic equipment

Номер: CN115940381A
Автор: WANG WEI, YU XIJUAN, SHI ENJIE, WANG HAIYUN, ZHANG ZAICHI, CHEN QIAN, ZHANG YUXUAN, YANG LIPING, YAO YIDI, XU PENG
Принадлежит:

The invention discloses a power supply switching method and device, a nonvolatile storage medium and electronic equipment. The method comprises the following steps: determining a first power supply for supplying power to a target load and the electric energy quality of the first power supply in a plurality of candidate power supplies; under the condition that the electric energy quality of the first power supply does not meet the preset electric energy quality condition, the connection between the first power supply and the target load is controlled to be disconnected, and meanwhile, energy storage equipment is adopted to supply power to the target load; detecting electric energy quality corresponding to the plurality of candidate power supplies, and determining whether a second power supply of which the electric energy quality meets a preset electric energy quality condition exists in the plurality of candidate power supplies; and under the condition that the second power supply exists ...

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Номер записи: 4
07-04-2023 дата публикации

Loop closing control method and device, storage medium and electronic equipment

Номер: CN115940133A
Автор: BAI JING, ZHANG ZAICHI, YAO YIDI, YU XIJUAN, ZHOU YUNBIN, WANG WEI, WANG HAIYUN, WANG FANGYU, CHEN QIAN, DONG NAN, YANG LIPING, ZHANG YUXUAN, XU PENG
Принадлежит:

The invention discloses a loop closing control method and device, a storage medium and electronic equipment. The method comprises the following steps: acquiring a steady-state current value at a loop closing point in a power network; calculating a transient current value at the loop closing point based on the steady-state current value; judging whether the transient current value reaches a protection limit value or not to obtain a judgment result; and if the judgment result indicates that the transient current value does not reach the protection limit value, executing loop closing operation on the loop closing point. The technical problems of low loop closing efficiency and inaccurate loop closing control caused by the fact that loop closing is carried out in a manual judgment mode under the condition that automatic loop closing cannot be carried out in the prior art are solved.

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Номер записи: 5
06-06-2023 дата публикации

Decision-making method, device and equipment based on unified adjustment of units in whole network and medium

Номер: CN116231752A
Автор: LYU YAN, LI LI, YANG NAN, SUN LUE, SUN BO, WANG MIAO, ISHIGAMI TAKASHI, LUO YADI, CHEN LING, CHEN BIN, GUO JIUYU, FAN HAIWEI, CHEN ZHENGPING, LI LIXIN, LI JINGSONG, YU YIJUN, DI FANGCHUN, LI JIE, SHA LICHENG, ZHANG ZAICHI, NING JIAN, GUO JUN, WANG SHAOFANG, ZHANG YIN, MA XIAOCHEN, LANG YANSHENG, SONG XURI, TAO LEI, LIU SHENG, MEN DEYUE
Принадлежит:

The invention belongs to the technical field of power grid dispatching, and particularly relates to a decision-making method, device and equipment based on unified adjustment of whole-network units and a medium. The method takes the minimum comprehensive adjustment amount of the units as a target, considers constraints such as power grid safety, potential risks, partition reserve, whole-network reserve and cross-region mutual aid, constructs a whole-network unit coordination and mutual aid model, and improves the efficiency of the whole-network unit coordination and mutual aid. A high-performance solver is used for quickly solving the model, and on the premise that the operation risk of the power grid is not increased, the regional resource coordination and mutual aid capability of the power grid is mined, a more reasonable and safer power grid operation mode is formed, and an effective auxiliary decision is provided for real-time operation control of the power grid.

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Номер записи: 6
30-05-2023 дата публикации

Method and device for determining failure rate of predetermined equipment and electronic equipment

Номер: CN116187845A
Автор: WANG HAIYUN, CHEN QIAN, YU XIJUAN, SHI ENJIE, CHEN YANXIA, ZHANG ZAICHI, YANG LIPING, ZHANG YUXUAN, WANG WEI, YAO YIDI, XU PENG, WANG FANGYU, ZHENG KAIYUAN, WEN YU
Принадлежит:

The invention discloses a failure rate determination method and device of predetermined equipment and electronic equipment. The method comprises the following steps: acquiring a plurality of original state scores and duration time corresponding to the plurality of original state scores respectively; according to a full-state integration method, a standard time axis, the plurality of original state scores and the duration corresponding to the plurality of original state scores, determining predicted fault rate parameters; determining an equivalent state proportionality coefficient and an equivalent state parameter coefficient according to an equivalent state scoring method and the corresponding predicted fault rate parameter of the predetermined equipment in the predetermined stage; and determining a plurality of failure rates corresponding to the predetermined equipment in the predetermined stage according to the plurality of original state scores corresponding to the predetermined equipment ...

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Номер записи: 7
14-07-2023 дата публикации

Power system fault screening method and device, storage medium and electronic equipment

Номер: CN116430170A
Автор: WANG HAIYUN, YU XIJUAN, ZHANG ZAICHI, CHEN QIAN, YANG LIPING, ZHANG YUXUAN, WANG WEI, YAO YIDI, XU PENG, WANG FANGYU, ZHENG KAIYUAN, ZHANG MIAO, WEN YU, WANG NING
Принадлежит:

The invention discloses a power system fault screening method and device, a storage medium and electronic equipment. The method comprises the steps that the static voltage stability margin of a target power grid is acquired, early warning equipment in the target power grid is determined, and fault risks exist in the early warning equipment; determining that the faults in the preset fault set comprise a first screening fault set of the early warning equipment; determining a static voltage fault set in the first screening fault set based on the sensitivity of a plurality of faults in the first screening fault set to the static voltage stability margin; determining a transient voltage fault set of the target power grid based on the dynamic reactive power reserve coefficient of the response of the target power grid to the transient voltage fault; and determining a target fault set of the target power grid based on the static voltage fault set and the transient voltage fault set. The technical ...

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Номер записи: 8
24-06-2015 дата публикации

Island detection method and device for electric power system

Номер: CN104730396A
Автор: WANG HAIYUN, SUN JIAN, QIAN YENIU, YANG NAN, LIU HUIZHEN, WANG CUNPING, ZHANG YAN, ZHANG ZAICHI
Принадлежит:

The invention discloses an island detection method and device for an electric power system. The island detection method for the electric power system comprises the steps of calculating the frequency change rate of the distributed electric power system, calculating a voltage difference value of the distributed electric power system, comparing the frequency change rate and a first threshold value and comparing the voltage different value and a second threshold value, and detecting that the island effect exists in the electric power system if the frequency change rate is larger than the first threshold value and the voltage difference value is smaller than the second threshold value. By means of the method and the device, the problem that in the related technology, an island detection dead zone is too large in the electric power system is solved, and then the effect of reducing the island detection dead zone in the electric power system is achieved.

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Номер записи: 9
28-07-2023 дата публикации

Power grid fault control method and device and storage medium

Номер: CN116505518A
Автор: WANG HAIYUN, YU XIJUAN, CHEN QIAN, ZHANG ZAICHI, YANG LIPING, ZHANG YUXUAN, WANG WEI, XU PENG, YAO YIDI, WANG FANGYU, ZHENG KAIYUAN
Принадлежит:

The invention discloses a power grid fault control method and device and a storage medium. The method comprises the steps of obtaining a plurality of fault scenes according to an operation mode of a target power grid and a preset fault; performing risk assessment on the plurality of fault scenes to obtain system risk values of the target power grid in the plurality of fault scenes; when it is determined that the system risk value is larger than a preset risk threshold value, multiple types of candidate control measures corresponding to the multiple fault scenes are determined, and each of the multiple types of candidate control measures comprises at least one candidate control measure; determining a plurality of control measure combinations based on the control measure performance indexes corresponding to the multiple types of candidate control measures; and obtaining a target control measure based on the plurality of control measure combinations, the target control measure being a group ...

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Номер записи: 10