当继电器动作时，一个或多个接触器动作且给断路器的脱扣线圈通电，从而将断路器断开。
When the relay operates, one or more contacts will operate and energize a trip coil in a Circuit Breaker and trip (open) the Circuit Breaker.
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。
Circuit breaker tripping coil burning is a relatively frequent accident for the operation of substation comprehensive automation system.
A BB公司于1997年研制的永磁机构真空断路器，其永磁机构采用双稳态双线圈结构。
The vacuum circuit breaker with permanent magnetic actuator developed by ABB Company in 1997 adopts a double-stable double-coil structure in its actuator.
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