318 / | HD | ELECTRICITY: MOTIVE POWER SYSTEMS |
727 | DF | INDUCTION MOTOR SYSTEMS {12} |
767 | DF | .~ Primary circuit control {9} |
812 | .~.~ Voltage control {3} | |
813 | DF | .~.~.~> With transformer |
814 | DF | .~.~.~> With impedance control {1} |
816 | DF | .~.~.~> Single phase, split phase motors {1} |