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The "five defenses" of high-voltage switchgear

The "five defenses" of high-voltage switchgear

  • Categories:Industry News
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  • Time of issue:2019-10-11
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(Summary description)1. After the vacuum circuit breaker trolley in the high-voltage switchgear is closed at the test position, the trolley circuit breaker cannot enter the working position. (Prevents closing with load)

The "five defenses" of high-voltage switchgear

(Summary description)1. After the vacuum circuit breaker trolley in the high-voltage switchgear is closed at the test position, the trolley circuit breaker cannot enter the working position. (Prevents closing with load)

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2019-10-11
  • Views:0
Information

1. After the vacuum circuit breaker trolley in the high-voltage switchgear is closed at the test position, the trolley circuit breaker cannot enter the working position. (Prevents closing with load)

2. When the grounding knife in the high-voltage switchgear is closed, the trolley breaker cannot be closed. (Prevent closing with ground wire)

3. When the vacuum circuit breaker in the high-voltage switchgear is closed, the machinery on the rear door of the panel and the cabinet door are locked. (Prevents accidental charging interval)

4. The vacuum circuit breaker in the high-voltage switchgear is closed during operation, and the closing grounding knife cannot be turned on. (To prevent the ground wire from being charged)

5. When the vacuum circuit breaker in the high-voltage switchgear is closed, it cannot exit the working position of the trolley circuit breaker. (Prevent pull broach with load)

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