Switching-type DC power source apparatus

Details Switching-type DC power source apparatus Switching-type DC power source apparatus

1998-12-01

2000-01-04

Berhane, Adolf Deneke

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 60, H02M 7155

Patent

active

060117079

ABSTRACT:
In a switching-type DC power source apparatus which uses a booster-chopper type active filter circuit as its rectifier circuit, even at zero-crossing timing of an AC voltage to be input in the rectifier circuit, a current supply source for making a current as if it is flowing is added to a current detection circuit for detecting the current flowing in the active filter circuit, thereby preventing a prickle-like input current including a number of harmonic components from flowing in the apparatus.

REFERENCES:
patent: 5295036 (1994-03-01), Yagi et al.
patent: 5396165 (1995-03-01), Hwang et al.
patent: 5495164 (1996-02-01), Heng
patent: 5629588 (1997-05-01), Oda et al.
patent: 5737204 (1998-04-01), Brown
patent: 5793623 (1998-08-01), Kawashima et al.
patent: 5793624 (1998-08-01), Couture et al.
patent: 5929591 (1999-07-01), Katou et al.

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