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。
This article mostly introduces the adoption announcements of the life testing equipment that used in! DC contactor production surveillance, and discusses correlated requirement.
本文主要介绍了监测直流接触器的机械寿命试验直流电源设备在选用时注意的事项，论述了相关要求。
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。
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。
Means need 25a contactor, main contact are three normally open, auxiliary contact is one normally open, control coil voltage is DC 110v, order volume is 20 sets.
表示为25a接触器的主触头为三对常开，辅助触头为一对常开，控制线圈的电压为直流110v，订货数量为20台。
Means need 25a contactor, main contact are three normally open, auxiliary contact is one normally open, control coil voltage is DC 110v, order volume is 20 sets.
表示为25a接触器的主触头为三对常开，辅助触头为一对常开，控制线圈的电压为直流110v，订货数量为20台。
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