灭弧装置中电流过零后介质自由恢复过程的分析

Investigation of dielectric free recovery of arc-control device over zero

通过对旋弧式灭弧装置中电弧电流过零后弧隙中介质自由恢复过程的测量 ,得到了和SF6气吹灭弧方法相似的介质自由恢复特性 ,揭示了介质自由恢复特性和电弧电流之间的关系 。

Based on the measurements of dielectric recovery process of arc curren over zero in the arc clearance,the dielectric free of arc_conrol recovery characteristics similar to those of SF6 vapour arc_control method are achieved, and the relations between the dielectric free recovery characteristics and arc current,and the influence of presence permeable magnetic materials in the dielectric recovery are expounded.