On the low-voltage side of the voltage transformer, the voltage of one phase is zero and the voltage of two phases remains unchanged, while the line voltage of two decreases and one remains unchanged, indicating ( ).
A、Low voltage side two phase fuse break
B、 One phase fuse is broken on the low pressure side
C、High pressure side one phase fuse broken
D、 Two phase fuse is broken on the high pressure side
A、Low voltage side two phase fuse break
B、 One phase fuse is broken on the low pressure side
C、High pressure side one phase fuse broken
D、 Two phase fuse is broken on the high pressure side
Electrical Equipment and Operation(电气设备及运行)
章节列表
Chapter 1 Cognition of Power Plants and Stations10Chapter 2 Switching Equipment and Operation57Chapter 3 Transformer and Operation38Chapter 4 Current-limiting Electrical Appliances and Operation9Chapter 5 Reactive Power Compensation Equipment and Its Operation10chapter 6 Busbar, Cable, Insulator and Operation10Chapter 7 Basic Operation of Electrical Primary System22Chapter 8 Power Distribution Device and Operation33