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Primary wiring in substation

Source:wenhui  Date:2020-07-23 16:52

Primary wiring in substation

Power transmission equipment includes

Equipment that transforms voltage: such as a transformer.

Switching appliances for making and breaking circuits: such as circuit breakers, disconnectors, fuses, etc.

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Electrical appliances that protect against overvoltage and limit fault current: such as lightning arresters, lightning rods, lightning conductors, and reactors.

Reactive power compensation equipment: such as power capacitors, synchronous camera adjustment, and static compensator.

Current-carrying conductors: such as busbars, leads, cables, overhead lines.

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Grounding device; such as transformer neutral point grounding, equipment shell grounding, lightning protection grounding, etc.

   Electrical main wiring The primary equipment in power plants and substations is a circuit that is connected according to certain rules, also known as electrical primary wiring or primary system.

  Transmission line

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   Switching appliances

Basic parameters of high voltage circuit breaker

Rated breaking current INbr, full breaking time tab, closing time ton

Rated dynamic stable current (peak value) ies, thermal stable current It, automatic reclosing performance

   Current Transformer

Operating characteristics: the secondary winding cannot be opened

Secondary wiring: single-phase wiring; star wiring; incomplete star wiring

   

All product pictures existing in this catalog are representative and may not have exactly the same appearance and features with the machines to be produced later. Machine appearances and features are subject to change without any prenotification.