三相五柱式消弧线圈及其自动跟踪补偿原理

介绍了三相五柱式消弧线圈及其自动跟踪补偿原理，该消弧线圈在结构上突破了传统消弧线圈的模式，将传统的接地变压器和消弧线圈有机地结合成一个整体．三相五柱式消弧线圈采用可控硅调节付边电感电流的方法，实现对电网对地电容电流的自动跟踪补偿．该消弧线圈不仅在电网发生单相接地故障前能自动跟踪到全补偿状态，而且在接地故障期间仍能自动跟踪电网电容电流的变化，始终使接地电流最小．

Arc-Suppression Coil with Three Phases and Five Columns and Its Automatic Compensation Principle

The arc suppression coil with three phases and five columns and its automatic compensation principle are introduced in this paper. The structure of this kind of arc suppression coil is much different from that of traditional model, and it is the integration of traditional grounding transformer and arc suppression coil. The arc suppression coil with three phases and five columns can achieve automatic trace and compensation for ground fault capacitive current of power system by the method of rectifying inductive current of second winding with controlled silicon. The arc suppression coil can not only trace automatically with full compensation when single ground fault occurs but also trace automatically the capacitive current when ground fault occurs, which make the grounded currents minimum all the way.