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1·Circuit breaker tripping coil burning is a relatively frequent accident for the operation of substation comprehensive automation system.

断路器跳合闸线圈烧毁事故是变电站综合自动化系统在运行中较普遍的现象。

2·If a fault occurs, the fuse ruptures diverting all the fault current through the trip coil, tripping the breaker.

如有故障发生，熔断器会断开，使所有故障电流流经跳闸线圈，将断路器断开。