US PATENT SUBCLASS 363 / 34
.~ Including an A.C.-D.C.-A.C. converter

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

13  DF  CURRENT CONVERSION {25}
34.~ Including an A.C.-D.C.-A.C. converter {4}
35  DF  .~.~> For transfer of power via a high voltage D.C. link (i.e., HVDC transmission system)
36  DF  .~.~> For change of phase (e.g., number of phases)
37  DF  .~.~> By semiconductor rectifier and inverter
38  DF  .~.~> By electron tube rectifier and inverter

DEFINITION

Classification: 363/34

Including an A.C.-D.C.-A.C. converter:

(under subclass 13) Subject matter including a first stage with means to change alternating current to intermediate direct current, and a further second stage with means to change the intermediate direct current to alternating current.

SEE OR SEARCH THIS CLASS, SUBCLASS:

52+, 61, 67+, 84+, 108, 114+, and 125, for A.C. to D.C. single current conversion systems.