automatic voltage regulating relay
automatic voltage-regulating system
Converted course of series voltage regulating
DC voltage regulating rate
emergency voltage controller
FUZZY LOGIC SECONDARY VOLTAGE CONTROLLER
generalized DC voltage controller
Load voltage regulating switch
microcomputerized voltage controller
Negative regulating voltage effect
no load voltage regulating transformer
on load voltage regulating transformer
on-load voltage regulating autotransf ormer
phase shifting and voltage regulating
phase-modulated resources voltage regulating
Regulating voltage type
Series voltage regulating