Regenerative rectifier circuit

Details Regenerative rectifier circuit Regenerative rectifier circuit

1982-04-05

1984-05-08

Beha, Jr., William H.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 87, 363126, 363127, 363129, H02P 1326

Patent

active

044478682

ABSTRACT:
A three-phase regenerative rectifier provides power flow from ac to dc using a three-phase rectifier bridge. The reversal of the input ac voltage at the input frequency commutates current in the rectifier devices. A power transistor or field-effect transistor is coupled in inverse parallel with each rectifier device to provide a path for current from the dc output of the rectifier back to the ac supply during regeneration. The rectifier devices can be phase controlled thyristors or diodes. Control means sense the three-phase voltage and switch the transistors in phase with the ac supply. Commutation of the transistors is provided by their self-contained turn-off capabilities.

REFERENCES:
patent: 3484676 (1969-12-01), Wilkerson
patent: 3909698 (1975-09-01), Nill
patent: 4193111 (1980-03-01), Wester
patent: 4319177 (1982-03-01), Kawada et al.
patent: 4328454 (1982-05-01), Okuyama et al.
patent: 4353023 (1982-10-01), Kawada et al.
J. W. A. Wilson, "The Forced Commutated Rectifier as a Regnerative Rectifier"-IEEE Industrial Application Soc. Transactions, vol. 1A-14, No. 4, Jul./Aug. 1978, pp. 335-340.
P. C. Sen, "Thyristor DC Drives", pp. 129, 149, 150 and 151. Textbook Published by John Wiley & Sons, 1981.

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