The switch apparatus is a key element for total electric power system in reliability.
开关电器是整个电力系统工作可靠性的关键元件。
There exists current distribution unevenness in large current switch apparatus parallel branch.
大电流开关电器的并联支路中存在电流分配不均匀性。
By linking the DC relay contactor with power electronic device, the DC hybrid switch apparatus without switching arcing was designed and accomplished.
采用直流开关电器与电力电子器件相结合方式，设计并实现了能够实现无弧通断的直流混合开关电器。
By linking the DC relay contactor with power electronic device, the DC hybrid switch apparatus without switching arcing was designed and accomplished.
采用直流开关电器与电力电子器件相结合方式，设计并实现了能够实现无弧通断的直流混合开关电器。
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