US PATENT SUBCLASS 363 / 51
.~.~ For high voltage D.C. transmission systems

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

13  DF  CURRENT CONVERSION {25}
50  DF  .~ Including automatic or integral protection means {3}
51.~.~ For high voltage D.C. transmission systems

DEFINITION

Classification: 363/51

For high voltage D.C. transmission systems:

(under subclass 50) Subject matter wherein the system for which protection is provided is a high voltage D.C. transmission system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

35, for other HVDC transmission systems.