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Details that should be paid attention to in the operation of high voltage switchgear
Release time:
2021-01-25
High and low voltage switchgear-details that should be paid attention to in the operation of high voltage switchgear: 1. After the vacuum circuit breaker trolley in the high-voltage switch cabinet is closed at the test position, the trolley circuit breaker cannot enter the working position. (Prevent closing with load)
High and low voltage switchgear-details that should be paid attention to in the operation of high voltage switchgear:
1. After the vacuum circuit breaker trolley in the high-voltage switch cabinet is closed at the test position, the trolley circuit breaker cannot enter the working position. (Prevent closing with load)
2. When the grounding knife in the cabinet is in the closed position, the trolley breaker cannot be closed. (Prevent closing with ground wire)
3. When the cabinet vacuum circuit breaker is closing, the back door of the cabinet is locked with the machine on the grounding knife. (Prevent the charging interval by mistake).
4. The vacuum circuit breaker in the cabinet is closed when it is working, and the grounding knife cannot be put in. (Prevent the ground wire from being hooked up when live)
5. The vacuum circuit breaker in the cabinet cannot exit the working position of the trolley circuit breaker when it is closed. (Prevent load broach) These problems are common problems in operation
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