Stepped-waveform inverter with four subinverters

Details Stepped-waveform inverter with four subinverters Stepped-waveform inverter with four subinverters

1989-12-20

1991-08-20

Stephan, Steven L.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

363 71, H02M 112, H02M 5458

Patent

active

050419587

ABSTRACT:
An inverter for use in a power conversion system of the type used in an aircraft, for example, includes a first subinverter pair that generates a first pair of waveforms and a second subinverter pair that generates a second pair of waveforms. The two subinverter pairs are connected to a summing transformer having two pairs of primary windings and a plurality of secondary windings coupled to the primary windings. A regulator is coupled to the output of the summing transformer and varies the phase angles between the waveforms generated by the two subinverter pairs based upon the voltage and current at the output of the summing transformer in order to regulate the voltage at the output of the summing transformer.

REFERENCES:
patent: 3609507 (1971-09-01), Beck
patent: 4032832 (1977-06-01), Miller

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