Method for converting direct voltage into three-phase...

Details Method for converting direct voltage into three-phase... Method for converting direct voltage into three-phase...

2007-01-08

2009-08-18

Paladini, Albert W (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

One source floats across or compensates for other source

C307S044000, C307S082000, C700S286000, C700S292000, C700S293000

Reexamination Certificate

active

07576449

ABSTRACT:
A method of converting a direct voltage generated by a decentralized power supply system into three-phase alternating voltage by means of a plurality of single-phase inverters (WR1-WR3), said alternating voltage being provided for supplying an electric mains, is intended to avoid inadmissible load unbalances using single-phase inverters. This is achieved in that, upon failure of one inverter (WR1-WR3), an asymmetrical power supply distribution is reduced by limiting the output of the other inverters. The method makes it possible to simplify three-phase voltage monitoring.

REFERENCES:
patent: 6963147 (2005-11-01), Kurokami et al.
patent: 2006/0083039 (2006-04-01), Oliveira et al.
patent: 0 817 350 (1998-01-01), None
patent: 05 308780 (1993-11-01), None
patent: 2005/117136 (2005-12-01), None
patent: 2006/084294 (2006-08-01), None

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