Minimum safe Net Distance for distribution units ()
A、Is the minimum safe distance in the air
B、 At this distance, no electrical breakdown of air insulation will occur under normal or overvoltage conditions
C、 Must consider the equipment operation and maintenance, equipment handling and maintenance tools of the scope of activity, construction error and other dimensions to determine
D、 Only applicable to outdoor power distribution units
A、Is the minimum safe distance in the air
B、 At this distance, no electrical breakdown of air insulation will occur under normal or overvoltage conditions
C、 Must consider the equipment operation and maintenance, equipment handling and maintenance tools of the scope of activity, construction error and other dimensions to determine
D、 Only applicable to outdoor power distribution units
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