363 / | HD | ELECTRIC POWER CONVERSION SYSTEMS |
13 | DF | CURRENT CONVERSION {25} |
39 | DF | .~ With means to introduce or eliminate frequency components {2} |
44 | DF | .~.~ In rectifier systems {1} |
45 | DF | .~.~.~ Including means for reducing ripples from the output {2} |
46 | .~.~.~.~ With ripple responsive, automatic control |