To ensure safety and reliability service of electric power system, the research of synchronous control system that is about VCB equipped with PMA is essential.

对永磁操动机构真空断路器的同步控制系统进行研究是保证电力系统安全可靠运行的基础，也是近年来断路器智能化的研究热点之一。

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To ensure safety and reliability service of electric power system, the research of synchronous control system that is about VCB equipped with PMA is essential.

对永磁操动机构真空断路器的同步控制系统进行研究是保证电力系统安全可靠运行的基础，也是近年来断路器智能化的研究热点之一。

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