1. 发电机、主变、厂变按发变组单元接线，发电机不设GCB，厂用启/备变电源由山西电网 2回 220kV线路供电，采用双母线接线方式，供全厂 4台启/备变。
According to location of the plant and special features of the power network structure the generator would better be equipped with GCB and 500 kV booster station be connected with 1/2 wiring mode.