Power source apparatus

Details Power source apparatus Power source apparatus

2006-11-03

2009-08-25

Nguyen, Matthew V (Department: 2838)

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

C323S222000

Reexamination Certificate

active

07580272

ABSTRACT:
A boost chopper circuit converts AC power to DC voltage and supplies the DC voltage to a load. The boost chopper circuit includes a switching element and a reactor. A controller ON/OFF controls the switching element based on a comparison result in an interval of the former half of a half cycle of the AC power between a detected input current by a input current detector and a current instruction value of a modeling waveform obtained by reducing a harmonic component of a predetermined order from the current waveform.

REFERENCES:
patent: 5612609 (1997-03-01), Choi
patent: 5614812 (1997-03-01), Wagoner
patent: 5764039 (1998-06-01), Choi et al.
patent: 6657417 (2003-12-01), Hwang
patent: 2001-349059 (2001-12-01), None
patent: 2004-7880 (2004-01-01), None
patent: 2005-253284 (2005-09-01), None

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