US PATENT SUBCLASS 363 / 172
.~.~.~ Saturable core

Current as of: June, 1999
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363 /   HD   ELECTRIC POWER CONVERSION SYSTEMS

157  DF  FREQUENCY CONVERSION (f1-f2) WITHOUT INTERMEDIATE CONVERSION TO D.C. {7}
170  DF  .~ By induction-type converter {3}
171  DF  .~.~ Transformer {1}
172.~.~.~ Saturable core

DEFINITION

Classification: 363/172

Saturable core:

(under subclass 171) Subject matter wherein the saturation state of the core of the induction device is controlled to regulate its operation.