Isolated low-voltage power supply source

Details Isolated low-voltage power supply source Isolated low-voltage power supply source

2006-07-04

2006-07-04

Han, Jessica (Department: 2838)

Electric power conversion systems

Current conversion

Using semiconductor-type converter

C363S126000, C363S081000

Reexamination Certificate

active

07072197

ABSTRACT:
An isolated circuit of low-voltage supply of a control circuit of a high-voltage load, in or upstream of a fullwave three-phase rectifying bridge, comprising a first low-voltage capacitor having a first electrode connected to one of the rectified output terminals of the bridge, and at least one second capacitor providing said low voltage, a first electrode of the second capacitor being connected to one of the A.C. input terminals of the bridge, the respective second electrodes of the capacitors being connected by a high-voltage diode having its cathode connected to the second capacitor.

REFERENCES:
patent: 5883502 (1999-03-01), Spitaler
patent: 6018472 (2000-01-01), Vogman
patent: 6366030 (2002-04-01), Ito et al.
patent: 2 783 981 (2000-03-01), None
French Search Report for FR 0216806 dated Sep. 15, 2003.

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