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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 8. Отображено 8.
13-08-2021 дата публикации

Temporary connection power transmission method for overhead power transmission line

Номер: CN113258506A
Принадлежит:

... ,The invention discloses a temporary connection power transmission method for an overhead power transmission line. The overhead power transmission line comprises a first lead wire used for being connected with a first transformer substation, a second lead wire used for being connected with a second transformer substation, and a third lead wire and a fourth lead wire used for being connected with a third transformer substation, wherein the third lead wire is electrically connected with the first lead wire, and the fourth lead wire is electrically connected with the second lead wire. The temporary connection power transmission method comprises the following steps of: disconnecting the electrical connection between the first lead wire and the third lead wire, and disconnecting the electrical connection between the second lead wire and the fourth lead wire; and electrically connecting the first lead wire and the second lead wire through a short-circuit jumper wire so as to realize the electric ...

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28-07-2023 дата публикации

Milling cutter machining equipment

Номер: CN116494031A
Автор: JIANG TAONING
Принадлежит:

The invention relates to the technical field of milling cutter machining and discloses milling cutter machining equipment which comprises a base plate, a rotating motor is installed on the back of the base plate, an output shaft of the rotating motor is connected with a three-disc clamping jaw, a first hydraulic cylinder is installed on the upper portion of the base plate, and an output shaft of the first hydraulic cylinder is connected with a cross beam. A strip-shaped through groove is formed in the upper portion of the cross beam, a guide block is slidably mounted in the through groove, and a polishing and grinding integrated assembly is mounted at the bottom of the guide block. According to the milling cutter machining equipment, the polishing and grinding integrated assembly is arranged, so that the milling cutter machining equipment can be switched between a grinding mode and a polishing mode, when a milling cutter is machined, only a milling cutter charge bar needs to be fixed to ...

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06-06-2023 дата публикации

Optimal configuration system of alternating-current and direct-current power distribution network for shopping mall buildings

Номер: CN116231770A
Принадлежит:

The invention provides a shopping mall building-oriented AC/DC power distribution network optimal configuration system. The system comprises a starting module, a distributed optimal scheduling module, a building digital twin configuration module, a building fault positioning module and a building fault analysis module. Wherein the starting module is used for starting the optimal configuration system; the distributed optimal scheduling module is used for establishing a distributed optimal scheduling model of the AC/DC power distribution network containing the flexible transformer substation through decoupling the optimal configuration system; the building digital twinning configuration module is used for collecting operation data of the flexible transformer substation using the AC/DC power distribution network distributed optimization scheduling model; the building fault positioning module is used for positioning a fault according to the operation data; and the building fault analysis module ...

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29-08-2023 дата публикации

Method for determining icing thickness and wind speed of area where power transmission line tower is located

Номер: CN116659572A
Принадлежит:

The invention provides a method and device for determining the icing thickness and the wind speed of an area where a power transmission line tower is located. The method comprises the steps of obtaining monitoring data of an area where a target tower of a target power transmission line is located; wherein the monitoring data comprises first meteorological information and topographic information at a target moment; performing feature extraction on the topographic information to obtain a first topographic feature and a first micro-topographic feature; and determining the icing thickness and the wind speed based on the first meteorological information, the first topographic feature and the first micro-topographic feature to obtain the target icing thickness and the target wind speed of the region where the target tower is located at the target moment. Therefore, the icing thickness and the wind speed of the area where the target tower is located can be determined based on the deep learning ...

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25-04-2023 дата публикации

Swing angle coefficient calculation method and device and electronic equipment

Номер: CN116011075A
Принадлежит:

The invention provides a wobble angle coefficient calculation method and device and electronic equipment, and the method comprises the steps: obtaining a planned wobble angle coefficient, determining a planned vertical span and a planned wobble angle corresponding to the planned wobble angle coefficient according to the planned wobble angle coefficient, and then calculating the equivalent tower body gradient of a transmission tower, and according to the equivalent tower body gradient, determining a target vertical span corresponding to the length of the target insulator string, and further calculating a target swing angle coefficient corresponding to the length of the target insulator string. The equivalent swing angle coefficient under different working conditions, lead and insulator string type conditions can be simply and accurately calculated, the design efficiency of the transmission tower is effectively improved, and the problem that the gap between the insulator string and the tower ...

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26-05-2023 дата публикации

Trans-regional sharing method and device for transformer substation monitoring images

Номер: CN116170567A
Принадлежит:

The invention provides a transformer substation monitoring image cross-regional sharing method and device, and the method comprises the steps: obtaining a plurality of control regions deployed by a transformer substation corresponding to a plurality of equipment monitoring systems and a monitoring region deployed by a transformer substation corresponding to an image monitoring system, and obtaining a collection instruction transmitted by the equipment monitoring system in at least one control region, the monitoring system is used for acquiring a real-time monitoring image corresponding to the monitoring area based on the acquisition instruction, extracting image feature information corresponding to the real-time monitoring image according to features, and reversely transmitting the image feature information to the equipment monitoring system in each control area; and the equipment monitoring system in each control area reconstructs the real-time monitoring image acquired by the monitoring ...

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04-08-2023 дата публикации

Communication system

Номер: CN116545534A
Принадлежит:

The disclosure proposes a communication system, comprising: a power transmission line, the power transmission line comprising: a first communication optical fiber, the first communication optical fiber comprising: a first line and a second line; the photovoltaic power station is close to the power transmission line and comprises a main station and a second communication optical fiber, the second communication optical fiber comprises a third line and a fourth line, the input end of the third line is connected with the output end of the first line, and the output end of the third line is connected with the first input end of the main station; the input end of the fourth line is connected with the first output end of the master station, and the output end of the fourth line is connected with the input end of the second line. In the communication system disclosed by the invention, since the photovoltaic power station multiplexes the first communication optical fiber of the power transmission ...

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23-06-2023 дата публикации

Alternating current and direct current power distribution network optimization method for distributed power supply and multi-source load coordinated control

Номер: CN116316838A
Принадлежит:

The invention provides an AC/DC power distribution network optimization method for distributed power supply and multi-source load coordinated control, and the method comprises the steps: determining an AC/DC hybrid power distribution network based on the parameters of an original power grid, calculating the sensitivity index of each node according to the parameters of each node at the AC side of the power distribution network, and further determining the installation position of a distributed power supply DG; determining a target function by taking minimization of network active total loss, node voltage offset and DG surplus as targets and taking operation power voltage of a multi-terminal voltage source converter VSC and active power of the DG as control variables based on a DG installation position, and determining a constraint condition by taking stable operation of the network as a constraint; and performing iterative solution on the target function based on the constraint condition ...

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