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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.
23-06-2023 дата публикации

Electric power tower grounding device

Номер: CN116315896A
Принадлежит:

A power tower grounding device disclosed by the present invention comprises a grounding down lead and a grounding rod which are connected, a plurality of short grounding plates and long grounding plates which are symmetrical and distributed in a staggered manner are arranged on the grounding rod in a surrounding manner, and the plurality of short grounding plates and the plurality of long grounding plates are jointly provided with an inner grounding ring and an outer grounding ring which are coaxial with the grounding rod. The outer end of the short grounding plate is flush with the outer grounding ring, the outer end of the long grounding plate is higher than the outer grounding ring, the outer grounding ring is provided with an insertion ring at the outer end of the short grounding plate, an insertion rod matched with the insertion ring is inserted in the insertion ring, the upper end of the insertion rod is provided with a label plate, and the upper end of the grounding rod is provided ...

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01-07-2015 дата публикации

Distribution-circuit intermediate protection integrated device

Номер: CN104753046A
Принадлежит:

A distributed-circuit intermediate protection integrated device comprises an incoming line terminal, an incoming line side lightening arrester, a fuse protector, a multifunctional power meter, a current transformer, a current terminal row, a residual current operated circuit-breaker, a common-compensation capacitor switch, a self-healing power capacitor, an outgoing line side lightening arrester and an outgoing line terminal which are all installed in a stainless steel box in sequence. The distribution-circuit intermediate protection integrated device is installed on a low-voltage distribution circuit between distribution unit-area overall protection and household protection, the fault point can be isolated once ground fault occurs to a certain branch circuit, failure outage to other circuits never occurs, and power supply continuity and reliability of residential users is guaranteed; the device has a lightning protection function, an electric leakage protection function, and meter, voltage ...

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12-05-2023 дата публикации

Ring main unit partial discharge on-line monitoring device and method based on electric field coupling

Номер: CN116106696A
Принадлежит:

The invention belongs to the technical field of ring main unit partial discharge on-line monitoring, and particularly relates to a ring main unit partial discharge on-line monitoring device and method based on electric field coupling. Comprising metal coupling pieces arranged on the surface of a cable at the incoming and outgoing line end of a ring main unit, each phase of metal coupling piece is connected with the input end of a corresponding phase of passive high-pass filter through a wire, the output end of each phase of passive high-pass filter is connected with the input end of a corresponding phase of signal conditioning circuit, and the power ground end of each phase of passive high-pass filter is connected with the ground; the output end of each phase signal conditioning circuit is connected with the input end of the corresponding phase high-speed analog-to-digital conversion circuit; the output end of each phase of high-speed analog-to-digital conversion circuit is connected with ...

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07-07-2023 дата публикации

Monitoring device for rapidly detecting faults of medium and low voltage lines

Номер: CN116400265A
Принадлежит:

The invention discloses a monitoring device for quickly detecting faults of medium and low voltage lines, which relates to the technical field of medium and low voltage line monitoring and comprises a wire arrangement groove body, at least two medium and low voltage lines are vertically arranged in the wire arrangement groove body, branch line junction boxes are equidistantly mounted on each medium and low voltage line, and a fault indicating lamp is mounted on each branch line junction box; detection through holes are formed in the rear side of the wire arrangement groove body at equal intervals, and the detection through holes and the branch wire junction boxes are arranged in a staggered mode; according to the monitoring device for rapidly detecting the faults of the medium and low voltage lines, the universal meter for monitoring is arranged between the junction boxes of the medium and low voltage lines, maintenance personnel for frequently climbing up and down for maintenance is replaced ...

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