较大的电动机直接通过断路器从母线获得电源。
The larger motors are powered directly from these buses through circuit breakers.
电动机过载保护通常采用继电器，而配电线路过载保护多采用断路器的长延时过电流脱扣器来完成。
Protection against motor over - load usually adopt thermal relay, but protection against line over - load usually adopt long delay over- current release of circuit- breaker.
鉴于旋转电机已具备较为成熟的控制方法，本文提出了基于永磁电动机控制的断路器操动机构方案。
Many mature control strategies being available for nowadays rotating motors, a permanent magnet motor based control scheme is put forward for possible operation mechanism of circuit breakers.
应用推荐