Multi-phase interleaving isolated DC/DC converter

Details Multi-phase interleaving isolated DC/DC converter Multi-phase interleaving isolated DC/DC converter

2005-09-13

2005-09-13

Patel, Rajnikant B. (Department: 2838)

Electric power conversion systems

Current conversion

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

C363S017000

Reexamination Certificate

active

06944033

ABSTRACT:
A converter has a transformer with primary and secondary windings each having n coils in a series-series arrangement connected to primary and secondary sides. The primary side has n primary legs each having a top switch and a bottom switch and connected to the primary winding therebetween. The secondary side has n secondary legs, each secondary leg has a synchronous rectifier switch and an output filter inductor connected to the secondary winding therebetween. A complimentary control for the primary side comprising a gate driver transformer with primary winding in series with a DC blocking capacitor connected to a drain and a source of the top switch of each primary leg, and a gate drive transformer, for each primary leg, with secondary winding containing a leakage inductor and in series with a DC blocking capacitor and a damping resistor connected to gate and source of the secondary side synchronous rectifier.

REFERENCES:
patent: 4247752 (1981-01-01), Stringer
patent: 5027264 (1991-06-01), DeDoncker et al.
patent: 5933339 (1999-08-01), Duba et al.
patent: 6243275 (2001-06-01), Ferencz
patent: 6370044 (2002-04-01), Zhang et al.
Li Xiao, Soft Switched PWM DC/DC Converter With Synchronous Rectifiers, 1996, no date.
McGraw-Hill Higher Education, Electric Machinery and Power System Fundamentals, 2002, no date.
Robert Watson, Analysis, Design, and Experimental Results of a 1-KW ZVS-FB-PWM Converter, etc., 1998, no date.

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