Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
Patent
1981-12-07
1983-05-03
Shoop, William M.
Electric power conversion systems
Current conversion
With means to introduce or eliminate frequency components
318811, 363 72, H02M 112
Patent
active
043822754
ABSTRACT:
This invention relates to a pulse width modulated inverter circuit having an output signal with reduced harmonic content. The inverter circuit includes a first circuit that provides a filtered fundamental pulse width modulated signal. A second circuit is electrically coupled to the first circuit to receive the signal and sum therewith a controlled signal and the filtered fundamental pulse width modulated signal. The second circuit thereby providing the output signal with reduced harmonic content.
Killingsworth Ted E.
McMurry Michael B.
Shoop William M.
Sundstrand Corporation
Williamson Harold A.
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