stator voltage oriented
AC vector control system
frequency-conversion vector control system
AC digital control voltage regulation
adjustable voltage control
armature voltage control
Automatic Voltage Control
电压自动调整
自动电压控制
自动电压控制AVC
自动电压无功调控
自动电压控制(AVC)
自动电压无功控制
无功电压自动优化(AVC)
AVC系统
automatism bias voltage control
Constant Voltage Control
constant voltage system
electrostatic voltage control