In this paper, a new high power hybrid DC contactor is researched to slake the effect of arc for the application in the railway.

本文提出的新型大功率混合直流接触器由闭合弹跳电弧消除电路、分断电弧消除电路和接触器本身组成。

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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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This paper presents to improve the method of contactor and several schemes of ac contactors for DC running. It makes farther improvement for the scheme of doable winding DC running.

本文介绍了提高交流接触器触头压力的方法及几种交流接触器直流运行的方案，并对双绕组直流运行方案做了进一步的改进。

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