Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
Patent
1981-06-22
1982-10-05
Pellinen, A. D.
Electric power conversion systems
Current conversion
With means to introduce or eliminate frequency components
363 97, 363133, H02P 1320
Patent
active
043531156
ABSTRACT:
A sinusoidal synthesizer is shown which produces a sinusoidal AC power output from a modulated pulse train. The pulse train is modulated by two independent feedback loops which each use the sinusoidal output as its reference. The first loop controls output voltage by a high gain negative feedback signal to a pulse width modulator, while the second loop shapes the sinusoidal output by a less than unity gain, positive feedback signal to a second pulse width modulator.
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patent: 3487288 (1969-12-01), Reid et al.
patent: 3742330 (1973-06-01), Hodges et al.
patent: 4067057 (1978-01-01), Taddeo et al.
patent: 4099109 (1978-07-01), Abbondanti
patent: 4190883 (1980-02-01), Cowett
Ruble Ray
Treitel Werner S.
Litton Systems Inc.
Pellinen A. D.
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