Ideal sinusoidal voltage waveform synthesis control system

Details Ideal sinusoidal voltage waveform synthesis control system Ideal sinusoidal voltage waveform synthesis control system

1990-07-09

1991-09-10

Beha, Jr., William H.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

363 80, 363 98, H02M 748

Patent

active

050479105

ABSTRACT:
A control system for poly-phase power inverters that uses feedback sensed voltages and currents to control the switching of solid state power switches in the inverter bridges, producing a nearly ideal sinewave voltage output regardless of load induced or switching harmonic voltages. The system operates in combination with the inverter power switches and switch drivers, particularly incorporating a digital programed optimal controller with virtually no delay in implementing the feedback control, and automatically correcting for any sensed line voltage distortions. The system inherently provides a high recovery speed for voltage transients.

REFERENCES:
patent: 3792286 (1974-02-01), Meier
patent: 4723201 (1988-02-01), Tanamachi et al.
patent: 4937720 (1990-06-01), Kirchberg

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