The electrical elements connected include circuit breaker disconnector and earthing switch current transformer voltage transformer lightning arrester bus etc.
连接的电气元件有断路器、隔离开关与接地开关、电流互感器、电压互感器、避雷器、母线等。
2
Monitor every feed-voltage and feed-current of DC output, every output state of switch, and state of fuse and lightning arrester. Under abnormal condition, monitor produces aural and visual alarm.