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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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Применить Всего найдено 4. Отображено 4.
04-07-2023 дата публикации

Primary frequency modulation control method for improving frequency modulation capability of virtual power plant

Номер: CN116388230A
Автор: XIN XIAOGANG, ZHANG GUOBIN, ZHANG QIAN, DU RONGHUA, GUO RUIJUN, HUO HONGYAN, QIN CHENGGUO, YIN JIANHUA, DANG SHAOJIA, LI RONGLI, ZHOU LEI, ZHAO WEI, WEI DONG
Принадлежит:

The invention relates to the technical field of frequency modulation control of a power system, and particularly discloses a primary frequency modulation control method for improving the frequency modulation capability of a virtual power plant, which comprises the following steps of: 1, firstly, adding a component J2 into an objective function J of a virtual power plant platform control strategy, adding an assessment value of an AGC reverse action during a primary frequency modulation action into the target function J to which the J2 component is added; step 2, optimization calculation is carried out to obtain AGC instructions output to each power plant; according to the method, the influence of the input assessment quantity of the AGC reverse action of the primary frequency modulation action on the data change of each power plant during the primary frequency modulation action is tested in the virtual power plant platform, and the influence of the data change on the power generation condition ...

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Номер записи: 1
29-08-2023 дата публикации

Thermal power generating unit primary frequency modulation control method and device based on residual deviation suppression

Номер: CN116667385A
Автор: YIN JIANHUA, ZHANG GUOBIN, HUO HONGYAN, ZHANG QIAN, GUO RUIJUN, XIN XIAOGANG, ZHOU LEI, YU HAICUN, WEI DONG, DANG SHAOJIA, DU RONGHUA, LI RONGLI
Принадлежит:

The embodiment of the invention provides a thermal power generating unit primary frequency modulation control method and device based on residual deviation suppression, and the method comprises the following steps: setting a residual deviation elimination loop, and enabling the residual deviation elimination loop and a load instruction generation loop to carry out frequency modulation processing on a thermal power generating unit together; in the residual deviation elimination loop, the load change rate is adjusted by judging whether the AGC instruction is reverse or not, an instruction value of the load change rate is output through a rate limiting module and input into an eleventh analog quantity switching module, and then a residual error removed load instruction is output; the adder receives the residual error removed load instruction and sends a processing result to the steam turbine master control PID module; and the steam turbine master control PID module outputs a frequency modulation ...

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Номер записи: 2
25-08-2023 дата публикации

Method for preparing platelet-rich plasma through two-step method

Номер: CN116637406A
Автор: XU HUAJUN, GUO RUIJUN, CHEN YANGYAN, LI SHUO, FAN HUIHUI, SUN LIMIAO
Принадлежит:

The invention discloses a two-step method for preparing platelet-rich plasma. The invention relates to a two-step method for preparing platelet-rich plasma, which comprises the following steps: (1) taking blood after a screw syringe I sucks an anticoagulant, sealing after a push rod of the screw syringe I is broken off, inverting the screw syringe I for first centrifugal separation, and hermetically connecting the screw syringe I with a screw syringe II through a two-way connecting pipe I; the upper plasma layer is taken by the screw syringe II, red blood cells on the layered interface are slightly sucked, and the lower red blood cell layer left in the screw syringe I is abandoned; (2) inverting the screw syringe II containing the plasma layer in the step (1) to perform secondary centrifugal separation, hermetically connecting the screw syringe II with a two-way connecting pipe II and a syringe III, transferring an upper platelet-poor plasma layer by the syringe III, and discarding the ...

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Номер записи: 3
29-08-2023 дата публикации

Separated acceleration impulse response primary frequency modulation control method and device

Номер: CN116667386A
Автор: YIN JIANHUA, ZHANG GUOBIN, HUO HONGYAN, ZHANG QIAN, GUO RUIJUN, XIN XIAOGANG, ZHOU LEI, YU HAICUN, WEI DONG, DANG SHAOJIA, DU RONGHUA, LI RONGLI
Принадлежит:

The embodiment of the invention provides a separation type acceleration impulse response primary frequency modulation control method and device. The method comprises the following steps that frequency deviation signals collected by a collection module are sent into an acceleration impulse response branch and an adder; in the acceleration impulse response branch circuit, a filtering circuit and an amplifying circuit are used for processing frequency deviation signals at the same time; an operation result processed by the filtering path is input into an AND operation function module, and an output value processed by the AND operation function module and an output value processed by the amplifying path are input into an analog quantity switching function module; inputting the frequency deviation signal processed by the analog quantity switching function module into an adder; and the output signal value of the adder is input into the frequency modulation output branch to be processed, and a ...

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Номер записи: 4