voltage level control potentiometer
AC digital control voltage regulation
adjustable voltage control
ADVANCED HIGH SIDE VOLTAGE CONTROL
AHVC (automatic high-voltage control)
armature voltage control
autom atic voltage control
automatic high-voltage control
Automatic Voltage Control
自动电压控制AVC
自动电压无功调控
无功电压自动优化(AVC)
自动电压控制(AVC)
自动电压无功控制
电压自动调整
AVC系统
自动电压控制
automatic voltage control AVC
automatic voltage control in electric grid
Automatic Voltage Control System
automatism bias voltage control