Single phase rectifier circuit

Details Single phase rectifier circuit Single phase rectifier circuit

1989-07-26

1990-05-08

Wong, Peter S.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363126, 323222, H02M 706

Patent

active

049243721

ABSTRACT:
A single phase rectifier circuit produces a full wave rectified voltage by rectifying an AC input voltage, couples the rectified voltage to a filter capacitor through an inductor, and repeatedly switches the sum of the rectified voltage and the voltage on the capacitor across the inductor, thereby reducing input current distortion and improving the power factor of the circuit. When the rectified voltage is of a sufficient magnitude to drive current through the inductor, switching of the capacitor voltage across the inductor can be eliminated. The switching function is performed by a half bridge boost converter.

REFERENCES:
patent: 4074344 (1978-02-01), Pitel
patent: 4412277 (1983-10-01), Mitchell
patent: 4502104 (1985-02-01), Mitchell
patent: 4654774 (1987-03-01), Lemmers
patent: 4677366 (1987-06-01), Wilkinson et al.
patent: 4683529 (1987-07-01), Bucher, II
patent: 4688162 (1987-08-01), Mutch et al.
patent: 4712169 (1987-12-01), Albach
Hall, Brad, "Correct Power Factor in Switched Mode Power Supplies," in Electronic Design, Oct. 27, 1988.

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