Circuit for converting alternating voltage into high-voltage...

Details Circuit for converting alternating voltage into high-voltage... Circuit for converting alternating voltage into high-voltage...

2008-01-29

2008-01-29

Berhane, Adolf (Department: 2838)

Electric power conversion systems

Current conversion

Having plural converters for single conversion

Reexamination Certificate

active

11032380

ABSTRACT:
A converter circuit for a wind power system for supplying a high-voltage direct voltage connection. The system includes a transformer with one primary winding per phase and a plurality of secondary windings per phase. Three of these secondary windings of different phase are connected to each rectifier cell. These rectifier cells are connected to one another by their inputs and outputs. The rectifier cells themselves each include one input rectifier and two series-connected upward converters, and the center tap of the secondary winding of the transformer is connected to the center points of the series circuit of the upward converters.

REFERENCES:
patent: 4725938 (1988-02-01), Onodera
patent: 5625545 (1997-04-01), Hammond
patent: 5687071 (1997-11-01), Debruyne et al.
patent: 6847531 (2005-01-01), Bixel
patent: 7148661 (2006-12-01), Trainer et al.

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