What are the characteristics of high voltage switchgear?
Jul 06, 2022
The high-voltage switchgear is used for on-off, control or protection in the power generation, transmission, distribution, power conversion and consumption of the power system. It has the following characteristics:
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.
2. When the grounding knife in the high-voltage switch cabinet is in the closing position, the trolley circuit breaker cannot enter the working position to close.
3. When the vacuum circuit breaker in the high-voltage switch cabinet is closed, the front and rear doors of the panel cabinet are locked with the machine on the grounding knife and the cabinet door.
4. The vacuum circuit breaker in the high-voltage switch cabinet is closed during operation, and the grounding knife cannot be closed and put into operation.
5. When the vacuum circuit breaker in the high-voltage switch cabinet is closed and running, it cannot exit the working position of the trolley circuit breaker.
