High voltage inverter utilizing low voltage power switches

Details High voltage inverter utilizing low voltage power switches High voltage inverter utilizing low voltage power switches

1994-09-01

1997-09-09

Wong, Peter S.

Electric power conversion systems

Current conversion

Having plural converters for single conversion

363 65, H02M 700

Patent

active

056662785

ABSTRACT:
An inverter includes first and second subinverters each having inputs connected in series with the input of the other subinverter across a DC voltage and each further having a switch coupled to an output. A summing circuit includes a first input coupled to the output of the first subinverter, a second input coupled to the output of second inverter and an output. A control circuit is coupled to the subinverters and operates the switches such that a summed AC waveform is produced at the output of the summing circuit. Each switch is subjected to only a portion of the DC voltage.

REFERENCES:
patent: 3792286 (1974-02-01), Meier
patent: 4698739 (1987-10-01), Paice
patent: 5057808 (1991-10-01), Dhyanchand
patent: 5177460 (1993-01-01), Dhyanchand et al.
patent: 5304882 (1994-04-01), Lipo et al.
patent: 5334898 (1994-08-01), Skybyk

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