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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 6. Отображено 6.
04-07-2023 дата публикации

Portable arc suppression coil capacitance current measuring instrument and measuring method thereof

Номер: CN116381307A
Автор: FAN BINGJUN, XIE JIABAO, DU ZENGHONG, WEN JIN, QIAO MEI, LIU XUEFENG, GUO WEIJUN, YAN XIAORUI, GAO QIANG, WEN ZHANGHAO
Принадлежит:

The invention relates to the field of power distribution network protection measurement, in particular to a portable arc suppression coil capacitance current measuring instrument and a measuring method thereof.The portable arc suppression coil capacitance current measuring instrument comprises a measuring instrument host and a voltage transformer, and the measuring instrument host is connected with the secondary side of the voltage transformer and used for measuring capacitance current; one end of the voltage transformer is connected with a ground transformer neutral point, and the other end is connected with a ground screen, and is used for injecting a multi-frequency read-back signal. The capacitive current is measured by injecting the multi-frequency signal into the neutral point zero-sequence voltage transformer of the power distribution network, namely, the measurement precision is high, and the measurement mode is safe and reliable.

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Номер записи: 1
02-09-2015 дата публикации

Contactor self preservation protects parallelly connected damping device of arc suppressing coil secondary

Номер: CN0204615375U
Автор: WEN JIN, FAN BINGJUN, SHI ZHIQIANG, WEN ZHANGHAO
Принадлежит:

The utility model relates to a contactor self preservation protects parallelly connected damping device of arc suppressing coil secondary. Its purpose is that an operation is reliable in order to provide, compact structure, the energy consumption is low, the live time is long arc suppressing coil damping device. The utility model discloses a transformer, arc suppressing coil, main contacts closed type contactor and damping resistance, side joint of transformer go into power transmission system, and the neutral point of transformer passes through the primary coil's that wire and arc suppressing coil once inclined one end to be connected, primary coil's the other end and zero potential point connection, and the secondary coil's of arc suppressing coil secondary side both ends are parallelly connected with damping resistance, are provided with main contacts closed type contactor on the wire between secondary coil and damping resistance and protect the fuse. Control the electrified circumstances ...

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Номер записи: 2
22-08-2023 дата публикации

Circulating agricultural planting frame

Номер: CN116616078A
Автор: WEI WEI, FAN HUACAI, CHEN ZEBIN, XU SHENGGUANG, CAO YANRU, LIN LI, FAN ZHIWEI, ZHONG LIWEI, TAN HONGSHENG, FAN BINGJUN
Принадлежит:

The circulating type agricultural planting frame comprises a supporting frame, an inner and outer circulating spiral track is arranged in the supporting frame and comprises an inner spiral track body located inside and an outer spiral track body located outside, and the upper end and the lower end of the inner spiral track body are in smooth transition connection with the upper end and the lower end of the outer spiral track body; a closed transmission chain is movably arranged in the internal and external circulation spiral track, a plurality of driving motors used for driving the transmission chain to move are installed on the supporting frame, and each driving motor is connected with a driving chain wheel meshed with the transmission chain. The edge of the transmission chain is rotationally connected with a plurality of nutrition grooves which are arranged at equal intervals in the length direction of the transmission chain, each nutrition groove is detachably connected with a planting ...

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Номер записи: 3
18-11-2015 дата публикации

Arc suppressing coil series connection switching formula self preservation protects damping device

Номер: CN0204794072U
Автор: WEN JIN, YAN XIAORUI, FAN BINGJUN, SHI ZHIQIANG
Принадлежит:

The utility model relates to an arc suppressing coil series connection switching formula self preservation protects damping device. Its purpose is in order to provide the arc suppressing coil damping device that the operation is reliable, the degree of safety is high. The utility model discloses a transformer, two contactors and damping resistance, power transmission system is gone into to side joint in the transformer, and the neutral point of transformer is connected through the one end that first wire and arc suppressing coil once inclined, and the other end series connection that the arc suppressing coil once inclined has current transformer and damping resistance, and closed type contactor and open type contactor connect in parallel respectively at the damping resistance both ends. Be provided with a voltage transformer on the first wire, a voltage transformer and current transformer's signal output part is connected with the signal input part of switching box respectively. The arc ...

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Номер записи: 4
16-09-2015 дата публикации

Main contacts normal close type vacuum contactor

Номер: CN0204651239U
Автор: WEN JIN, FAN BINGJUN, SHI ZHIQIANG, WEN ZHANGHAO
Принадлежит:

The utility model relates to a main contacts normal close type vacuum contactor. Its purpose is in order to provide the contactor that the design is ingenious, power consumption is few. The utility model discloses a transmission turning arm, first electromagnet core, second magnet and ceramic package, the contact head of first contact arm bottom and the contact head on second contact arm top be in the inside contact of ceramic package, and stretch out and ceramic package fixed connection from the ceramic package top on the top of first contact arm, and the bottom of second contact arm is stretched out and is connected with the insulating part through the contact spring from the ceramic package bottom, and the left side edge hinged of insulating part and horizontal drive arm is fixed with second magnet on the outer wall on the left of vertical transmission arm, and the rigidity relative with second magnet has first electromagnet core, and twine in the outside of first electromagnet core ...

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Номер записи: 5
25-08-2023 дата публикации

Arc suppression coil automatic compensation system based on line switching control

Номер: CN116646907A
Автор: DU ZENGHONG, XIE JIABAO, CHEN JIEYU, FAN BINGJUN, WEN JIN, WEN ZHANGHAO
Принадлежит:

An arc suppression coil automatic compensation system based on line switching control comprises a line switching state monitor, the line switching state monitor can obtain the switching condition in a switch cabinet, and the line switching state monitor can transmit a signal to a remote terminal after the line switching state is changed. The remote terminal sends a command to the automatic tuning arc suppression coil controller after receiving the signal, and the automatic tuning arc suppression coil controller controls the automatic tuning arc suppression coil to be adjusted to a proper gear. According to the invention, the line switching condition is monitored in real time through the line switching state monitor, so that the automatic tuning arc suppression coil is timely and accurately adjusted to a proper gear after line switching; therefore, the situation that the service life of the automatic tuning arc suppression coil is shortened due to frequent adjustment of the automatic tuning ...

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Номер записи: 6