Voltage converter

Details Voltage converter Voltage converter

2006-10-10

2006-10-10

Laxton, Gary L (Department: 2838)

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

C363S132000

Reexamination Certificate

active

07120039

ABSTRACT:
A voltage conversion circuit for the conversion of an input d.c. voltage into a three-phase a.c. voltage (UR, US, UT) in the mains frequency range having at least one inductor (L1, L2) and having multiple switches (S1, . . . , S9) controlled by a drive circuit (AST) in which a first converter section is provided (S1, D1, L1, S2) to produce positive output voltage portions and a second converter section (S3, L2) is provided to produce negative output voltage portions and the output of the first converter section is connected to the three phase outputs (R, S, T) via one each of first longitudinal phase circuit breakers (S4, S5, S6) and the output of the second converter section via one each of second longitudinal phase circuit breakers (S7, S8, S9).

REFERENCES:
patent: 5053938 (1991-10-01), Fratta
patent: 6212085 (2001-04-01), West
patent: 6404655 (2002-06-01), Welches
patent: 19603823 (1996-08-01), None
Written Opinion of Preliminary Searching Authority dated Aug. 21, 2003, 6 pages (Both German & English).
Response to Search Report—Oct. 30, 2003, 5 pages.
International Search Report dated May 11, 2002.

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