As for voltage inductors, there are four kinds of linkings, namely, the linkings of one, of two and of three of them, and the linking of three three-coil inductors or one three-phase five-iron-core inductor. 电压互感器的接线方式有四种:一个、二个、三个电压互感器分别连接的情况与三个三绕组或一个三根五铁芯柱三统组电压互感器的连接情况;