When the voltage of the switch of the closing coil is lower than the rating of 80%～85%, may ( ).
A、Slow switch closing speed
B、The fault current is relatively large, which is not conducive to the extinction of arc
C、Cause switch refuse to move
D、 Cause switch misoperation
A、Slow switch closing speed
B、The fault current is relatively large, which is not conducive to the extinction of arc
C、Cause switch refuse to move
D、 Cause switch misoperation
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