Salient Pole Synchronous Motor
salient synchronous generator
solid rotor synchronous motor involving non salient pole
transient reactance salient pole
adaptive single pole auto-reclosure
axle generator pole changer
保证车轴发电机极性不变切换开关
保证车轴发电机极性不变的切换开关
double pole single throw
single pole auto-reclosure
single pole compensation
triple-circuit single pole
1# Generator Single Unit Initiating Single Pump
a single phase equivalent circuit
AC single phase three wire insulated system
AC single phase two wire insulated system
adaptive single phase auto-recloser
motor single phase grounding protection