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

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Применить Всего найдено 2. Отображено 2.
01-08-2023 дата публикации

Offshore wind power flexible direct current system coordination control method for coping with receiving end alternating current fault

Номер: CN116526540A
Автор: ZHAO PING, JIA HAOSEN, NI SHIJIE, HUANG YUXIN, KO HYUNG-HYO, YAN XIAOMAO
Принадлежит:

The invention discloses an offshore wind power flexible direct current system coordination control method for coping with a receiving end alternating current fault, and the method comprises the steps: when a receiving end power grid has an alternating current fault, an offshore wind power flexible direct current system detects that a direct current voltage is greater than a threshold value, and the average surplus power is calculated through the relation between the direct current voltage and the surplus power; according to the comparison relation between the average surplus power and the maximum surplus power absorbed by the offshore converter station, the energy reference value of the offshore converter station is adjusted to absorb the surplus power in the flexible direct current system, and the offshore alternating current bus voltage is adjusted through the offshore converter station, so that the input power of the offshore converter station is adjusted; and when the voltage of the ...

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Номер записи: 1
11-07-2023 дата публикации

Power grid robust planning method considering confidence level

Номер: CN116415708A
Автор: ZHAO PING, ZHOU WEICHENG, XIN YUAN, WU XUYUE, NI SHIJIE, HUANG YUXIN, WANG GUANGHUI, YANG LEI
Принадлежит:

The invention discloses a power grid robust planning method considering a confidence level. The method comprises the steps of collecting historical data of planning area power grid parameters, load distribution conditions and new energy output; uncertain sets with different confidence levels are constructed, and different groups of limit scenes are generated; establishing a power grid expansion planning model; determining a power grid topology state variable as a first-stage variable, taking a system operation variable as a second-stage variable, and obtaining a two-stage power grid robust extension planning model; solving the two-stage power grid robust planning model to obtain power grid planning schemes under different confidence levels; and establishing a power grid extension planning evaluation system, evaluating different planning schemes, and determining a final planning scheme of the power grid. According to the method, the influence of uncertain sets with different confidence levels ...

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Номер записи: 2