363 / | HD | ELECTRIC POWER CONVERSION SYSTEMS |
13 | DF | CURRENT CONVERSION {25} |
74 | DF | .~ With condition responsive means to control the output voltage or current {3} |
78 | DF | .~.~ Cooperating separate sensing and control means {3} |
84 | DF | .~.~.~ For rectifier system {4} |
90 | DF | .~.~.~.~ With inductive control means in the line circuit {1} |
91 | .~.~.~.~.~ Saturable reactor (e.g., magnetic amplifier) {2} | |
92 | DF | .~.~.~.~.~.~> In plural phase to D.C. system |
93 | DF | .~.~.~.~.~.~> With plural control windings |