Energy converting device

Details Energy converting device Energy converting device

2005-04-26

2005-04-26

Sterrett, Jeffrey (Department: 2838)

Electric power conversion systems

Current conversion

Using semiconductor-type converter

C363S065000

Reexamination Certificate

active

06885569

ABSTRACT:
Device for reversible conversion of electric power capable of being connected between at least an input alternating voltage source and at least a load forming an output alternating current source, each input alternating voltage source having a supply terminal and a neutral terminal. The device comprises at least a switching block and includes an input terminal for connecting the supply terminal, a single reference terminal and an output terminal. Each switching block consists of a switching matrix formed of capacitors and switching cells, individually controlled. Each reference terminal is connected to a reference point other than the neutral terminal, and each block comprises elements for permanently maintaining at a constant or null sign the difference of potential between the first input terminal and the reference terminal.

REFERENCES:
patent: 3931563 (1976-01-01), Stacey
patent: 5208740 (1993-05-01), Ehsani
patent: 5737201 (1998-04-01), Foch et al.
patent: 6643151 (2003-11-01), Nebrigic et al.
Kwon B-H et al:, “Novel topologies of AC choppers”, IEE Proceedings: Electric Power Applicatons, Institution of Electrical Engineers, GB, vol. 143, No. 4, Jul. 10, 1996, pp. 323-330, XP006006397, ISSN: 1350-2352 cited in the application the whole document.

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