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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 7. Отображено 7.
04-04-2023 дата публикации

Method for testing capacitive current of neutral point ungrounded system

Номер: CN115902370A
Автор: LIU MINGHONG, YUAN XIN, JIA ZHENGHAO, WANG PENGCHAO, ZHANG RUILONG, LI YUNSHAN, LIU LINGSHUANG, LI XIAN, BAI LI, ZHANG YONGLONG, XU YELIN, WU WEILI, LI LEI, XI TAO, LIU JUN, LU CONG
Принадлежит:

The invention discloses a method for testing capacitive current of a neutral point ungrounded system, which belongs to the technical field of electric power safety, and comprises the following steps of: 1, connecting one end of a test line of a neutral point capacitive current tester with a neutral point leading-out end of a tested system, and grounding a grounding end of the neutral point capacitive current tester; 2, the neutral point capacitance current tester collects asymmetric voltage and displacement voltage and brings the asymmetric voltage and the displacement voltage into a capacitance current calculation formula; 3, wirelessly transmitting the calculated capacitance current value to a controller; 4, the vibration speed and the condensation state are collected, and the collected information is transmitted to the controller; step 5, the controller screens out an abnormal capacitance current value; 6, analyzing the aging progress of the line; and 7, displaying the screened capacitance ...

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Номер записи: 1
12-05-2023 дата публикации

New energy power generation output tracking load measurement method based on copula function and capacity credibility

Номер: CN116109030A
Автор: LI YUNSHAN, ZHU JIANLI, JIA ZHENGHAO, WANG HONGTAO, MAIMAITIAILI. WUPUER, TIAN MIAO, WANG YONGHUA, WANG YAN, LI QIANG, ZHANG TONGRUI, ZHANG YONGLONG
Принадлежит:

The invention discloses a new energy power generation output tracking load measurement method based on a copula function and capacity credibility. The method comprises the following steps: acquiring original data of outputs and loads of a plurality of wind power plants; calculating the load borne by each wind power plant by utilizing the definition of the capacity credibility, and further obtaining the generated output of the wind power plant and the fluctuation quantity of the load by subtracting the load from the load; obtaining an edge distribution function by using a semi-parametric method; drawing a binary frequency histogram according to the edge distribution function to obtain all possible copula function models; introducing an experience copula function to evaluate the advantages and disadvantages of the function model; calculating a correlation coefficient of the wind power plant for tracking the dynamic change of the load fluctuation, and obtaining an unknown parameter of a copula ...

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Номер записи: 2
23-06-2023 дата публикации

Supporting structure capable of live-line installation and replacement of lightning protection device and disassembly and assembly method

Номер: CN116316386A
Автор: WANG JUFENG, WANG YANLEI, HUANG YANLIN, XU XINGYOU, YANG SHENGKUAN, LI ZAIMIN, LU YANG, HE QIWEN, JIA ZHENGHAO, LI HAO, SONG YONGFENG
Принадлежит:

The invention discloses a supporting structure capable of installing and replacing a lightning protection device in an electrified mode and a disassembling and assembling method. The supporting structure comprises a lower fixing support transversely arranged between the lower end of the insulator and the lower end of the lightning protection device, an upper fixing support transversely arranged between the upper end of the insulator and the upper end of the lightning protection device, a lower detachable mounting structure connected to the lower end of the lightning protection device and an upper detachable mounting structure connected to the upper end of the lightning protection device. The lightning protection device and the insulator string are vertically arranged side by side, one end of the lower fixing support is connected to the lower end of the insulator, the other end of the lower fixing support is detachably connected with the lower end of the lightning protection device through ...

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Номер записи: 3
23-12-2015 дата публикации

Transmission line monitoring devices that is struck by lightning

Номер: CN0204903697U
Автор: LI CHANGLING, ZHAO XUEHUA, HE LIN, JIA ZHENGHAO, LIU LU
Принадлежит:

... (B, ) the utility model relates to a transmission line thunderbolt monitoring technology field is a transmission line monitoring devices that is struck by lightning, and it includes data collection host, data acquisition extension, server and surveillance center, data collection host gathers and flows through the lightning current on the transmission line when transmission line suffers the thunderbolt to carry out the data interaction with the data acquisition extension, the data acquisition extension is gathered and is flow through the lightning current on the overhead ground wire and carry out the data interaction with the data acquisition host computer when thunderbolt is suffered to the overhead ground wire, and the surveillance center is through internet remote access server in order to acquire the analysis result of server to transmission line lightning current information. (B, ) (b) the utility model discloses to the lightning protection transformation of guideing current circuit ...

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Номер записи: 4
30-06-2023 дата публикации

Distributed photovoltaic capacity configuration method and system considering power distribution network reconstruction

Номер: CN116365582A
Автор: LIU MINGHONG, LI QING, LIU WEI, LIU LINGSHUANG, LI CHANGQING, ZHANG RUILONG, ZHU JIANLI, JIA ZHENGHAO, WANG HONGTAO, MAIMAITIAILI. WUPUER, ZHOU CHEN, WANG PENGCHAO, YUAN XIN, ZHOU ERBIAO, ZHANG YONGLONG, ZHAO ANG, TONG HUI, LI XIAN, BAI LI, LI YUNSHAN, LIAO MENGKE
Принадлежит:

The invention belongs to the technical field of power systems, and provides a distributed photovoltaic capacity configuration method and system considering power distribution network reconstruction. The method comprises the following steps: inputting power distribution network parameters and to-be-configured parameters; initializing cuckoo algorithm parameters including the number of iterations, the individual positions of bird nests, time periods and the number of disconnected switches; calculating photovoltaic output based on the power distribution network parameters and the to-be-configured parameters; based on the power distribution network parameters and the to-be-configured parameters, calculating the optimal transfer load current of the disconnection switch; according to the optimal transfer load current of the cut-off switch, re-determining the cut-off switch in a loop where the cut-off switch is located; updating individual positions, time periods and switch-off numbers of the ...

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Номер записи: 5
30-03-2018 дата публикации

Pneumatic table tennis pickup attachment

Номер: CN0207153022U
Автор: JIA ZHENGHAO
Принадлежит: JIA ZHENGHAO

Pneumatic table tennis pickup attachment, including handheld portion and the portion of picking up, the handheld portion of its characterized in that is including the telescopic link, the upper end oftelescopic link is provided with the control panel, the middle part of telescopic link is provided with the handle, the lower extreme of telescopic link is provided with the portion of picking up, the portion of picking up is including the inflator, air suction mechanism, store up the pin and pick up the cover, the upper end right side of inflator is provided with air suction mechanism, the inside of inflator is provided with oblique flat board, right side below dull and stereotyped to one side is provided with the storage pin, store up the pin setting on the surface of inflator, the bottom of inflator is provided with picks up the cover, the inside toper mechanism that is provided with of cover picks up, the top of picking up the cover is provided with the baffle, the baffle sets up on the ...

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Номер записи: 6
26-05-2023 дата публикации

Desulfurization and denitrification agent and preparation method thereof

Номер: CN116159414A
Автор: JIA ZHENGHAO, QIAN ZELIN
Принадлежит:

The invention discloses a desulfurization and denitrification agent and a preparation method thereof, and the desulfurization and denitrification agent comprises the following raw materials by weight: 30-60 parts of a carrier; 20 to 50 parts of a reducing agent, wherein the reducing agent is at least one of Ca (OH) 2, CaCO3 and Na2CO3; 1-20 parts of a catalyst, wherein the carrier is attapulgite modified by ammonium persulfate; after ammonium sulfate modification, the content of oxygen-containing functional groups on the surface of attapulgite can be increased, the adsorption capacity to NOx and SO2 is obviously enhanced, Ca (OH) 2, CaCO3, Na2CO3 and other reducing agents are high in alkalinity and high in reaction activity with acid, pollutants such as NOx and SO2 can be effectively captured and absorbed, the lanthanum-manganese composite oxide catalyst is high in surface oxygen concentration and excellent in oxidation performance, NOx and SO2 can be oxidized, the reaction efficiency can ...

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Номер записи: 7