厂用电电源
high voltage auxiliary power
厂用电切换
plant supply switch
switching of auxiliary power supply
auxiliary power supply switch
auxiliary Power switching
auxiliary power switchover
auxiliary power switch
power supply transfer
power transfer
plant power-supp ly switchover
auxiliary power supplyswitching
厂用电切换方式探讨
Discussion on house supply transfer
发电厂厂用电
Electrical Auxiliary System of Power Plant
自用电源切换
switching over of auxiliary power system
厂用电电压
auxiliary power supply voltage
service power voltage
service voltage
厂用电电压等级选择
Selection of Auxiliary Power Voltage Grade
厂用电源
station power
Station service power supply
unit auxiliary power supply
auxiliary power source
auxiliary power supply
service power
Station service
house supply
发电厂用电系统
electric auxiliary system of power plant
激发光源用电源供应器
Power Supplies for Pumping Light Source
电源切换
switching over
electrical source exchange
电源切换装置
motor bus transfer device
双电源切换
duplicate supply switching
dual power switch
双电源切换回路
dual power supply switching circuit