Control for full-bridge inverter

Details Control for full-bridge inverter Control for full-bridge inverter

1990-01-29

1991-10-08

Stephan, Steven L.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 37, 363132, H02M 75387

Patent

active

050559923

ABSTRACT:
An inverter control for a full-bridge inverter having a plurality of phase legs each of which includes a switch which is operated to produce one of a set of phase output voltages and wherein a neutral voltage is derived from the phase output voltages compares each phase output voltage to a reference and selects a switching pattern for each inverter switch in dependence upon the comparison wherein the selected switching pattern for two of the phases are different. The switches are controlled in accordance with the selected switching patterns whereby the amplitudes of particular harmonics in the inverter output are adjusted to in turn control the amplitude of other harmonics in the inverter output.

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