Dc/ac conversion device and ac power supply method

Details Dc/ac conversion device and ac power supply method Dc/ac conversion device and ac power supply method

2006-08-22

2006-08-22

Nguyen, Matthew V. (Department: 2838)

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

C363S056020, C363S098000, C363S132000

Reexamination Certificate

active

07095632

ABSTRACT:
A dc-ac converter capable of supplying a finely regulated ac drive voltage to a load is provided. For this purpose, the converter includes, in a primary winding of a transformer, a full-bridge or half-bridge type semiconductor switch circuit whose switches can be controlled by pulse-width modulation. Transformer has a secondary winding for connection with a load. Based on PWM signals and by use of adequate switching logics for controlling multiple semiconductor switches, sophisticated control including zero-current switching and penetrating current prevention can be effected. Moreover, by means of regulated burst control of the ratio of on-duty period to off-duty period together with pulse-width modulation control, power supplied to the load can be regulated over a wide range beyond the limits of control obtained by the pulse-width modulation.

REFERENCES:
patent: 5946200 (1999-08-01), Kim et al.
patent: 6038142 (2000-03-01), Fraidlin et al.
patent: 6259615 (2001-07-01), Lin
patent: 6356462 (2002-03-01), Jang et al.
patent: 6927989 (2005-08-01), Fukumoto
patent: 6982886 (2006-01-01), Fukumoto
patent: 6982889 (2006-01-01), Fukumoto
patent: 6992902 (2006-01-01), Jang et al.
patent: 2004/0240234 (2004-12-01), Toda et al.
patent: 2005/0007794 (2005-01-01), Fukumoto
patent: 2005/0219863 (2005-10-01), Fukumoto et al.
patent: 8-205548 (1996-08-01), None
patent: 10-050489 (1998-02-01), None
patent: 10-285942 (1998-10-01), None
patent: WO 98/35434 (1998-08-01), None

Affiliated with

Also associated with

Rating

Dc/ac conversion device and ac power supply method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dc/ac conversion device and ac power supply method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dc/ac conversion device and ac power supply method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3660653