高压断路器是主系统的重要设备之一。其主要功能是：在正常运行时，用于改变

The high-voltage circuit breaker is one of the important equipment of the main system. Its main function is: during normal operation, it is used to change the operation mode, connect the equipment and line to the circuit or quit operation, and play a control role; when the equipment or line fails, it can quickly cut off the faulty line to ensure the fault-free part The normal operation of the system plays a protective role.

High-voltage circuit breaker is one of the important equipments of the main system. Its main functions are: in normal operation, used to change the mode of operation, the equipment and lines connected to the circuit or exit the operation, play a control role, when the equipment or line failure, can quickly cut off the fault line, to ensure the normal operation of the fault-free part, play a protective role.

High voltage circuit breaker is one of the important equipments in the main system. Its main functions are: in normal operation, it is used to change the operation mode, connect the equipment and line to the circuit or exit from operation, and play a control role; when the equipment or line breaks down, it can quickly cut off the fault line, ensure the normal operation of the fault free part, and play a protective role.