US PATENT SUBCLASS 363 / 155
.~.~.~.~ With passive phase shift element

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

148  DF  PHASE CONVERSION (Ph1-Ph2) WITHOUT INTERMEDIATE CONVERSION TO D.C. {5}
152  DF  .~ By induction-type converter {1}
153  DF  .~.~ Transformer type {1}
154  DF  .~.~.~ Stationary {1}
155.~.~.~.~ With passive phase shift element

DEFINITION

Classification: 363/155

With passive phase shift element:

(under subclass 154) Subject matter wherein the transformer converter system includes resistive, capacitive, or inductive elements for phase shifting.

SEE OR SEARCH THIS CLASS, SUBCLASS:

156, for phase conversion by passive phase shift elements.