Device and method for controlling inverter performing feedback c

Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components

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363 95, 363131, H02M 112, H02M 7515

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059148667

ABSTRACT:
An inverter-control device includes a subtractor for detecting an error between a waveform of a reference current signal generated in synchronization with a waveform of an inverter output current signal and the inverter output current signal, a delay portion for delaying by a prescribed time period a signal obtained by amplifying and removing high frequency component by filtering the error, an error waveform integrating portion for integrating the delayed signal f' output from delay portion, a proportional control portion for amplifying the error, and an adding portion for adding an error amplified signal output from the proportional control portion and an inverter driving waveform pattern output from the error waveform integrating portion.

REFERENCES:
patent: 4503316 (1985-03-01), Murase et al.
patent: 5347442 (1994-09-01), Henmi et al.
patent: 5371667 (1994-12-01), Nakao et al.
patent: 5408404 (1995-04-01), Mitchell
patent: 5519306 (1996-05-01), Itoh et al.
patent: 5668713 (1997-09-01), Eguchi et al.
PWM Control of Solar Generation System in accordance with DSP Record of The 1993 Kansai-Section Joint Convention of Institutes of Electrical Engineering. Japan.
Abstract of Japanese Patent 08098543 A published Apr. 12, 1996.

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