Capacitive power supply system

Details Capacitive power supply system Capacitive power supply system

2011-06-14

2011-06-14

Riley, Shawn (Department: 2838)

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

C363S089000, C363S127000

Reexamination Certificate

active

07961486

ABSTRACT:
The invention relates to a power supply system (3) intended to supply power to an electrical load (C), the system comprising:two input terminals, namely a negative terminal and a positive terminal, connected to a supply mains (A) delivering an AC voltage;an input capacitor (C1) connected to one of the terminals of the system;a rectifier module (33) for generating a DC voltage on a DC bus from the AC voltage;a bus capacitor (Cb) connected between a positive line (31) and a negative line (32) of the DC bus, andupstream of the input capacitor (C1), two normally-on bidirectional semiconductor transistors (T1, T2) connected in series, fabricated in a wide-bandgap material and able to operate in current-limiting mode.

REFERENCES:
patent: 6282109 (2001-08-01), Fraidlin et al.
patent: 6625046 (2003-09-01), Geissler
patent: 7605570 (2009-10-01), Liu et al.
patent: 2005/0213273 (2005-09-01), Wang
patent: 2006/0034109 (2006-02-01), Benabdelaziz et al.
patent: 2002-325355 (2002-11-01), None
U.S. Appl. No. 12/468,534, filed May 19, 2009, Carcouet, et al.

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