Patent ID: 6014323
Filing Date: 2000-01-11
Classification: H02M

Abstract:
An electrical power supply for operation from a multiphase input comprising:a. at least one transformer connected to said multiphase AC source;b. said at least one transformer having a plurality of secondary windings each having three phases;c. at least one of said plurality of secondary windings being spaced in phase relationship from others of said plurality of secondary windings;d. a plurality of switching cells connected to respective ones of said plurality of secondary windings;e. each of said plurality of switching cells having outputs;f. said plurality of said switching cells configured such that each of said outputs is electrically connected to at least one of said three phases of respective ones of said plurality of secondary windings; andg. at least one of said plurality of switching cells having respective ones of said outputs serially connected to at least one output of another of said plurality of said switching cells.