Three level inverter

Details Three level inverter Three level inverter

2005-01-04

2005-01-04

Nuton, My-Trang (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Signal transmission integrity or spurious noise override

C363S098000, C363S132000

Reexamination Certificate

active

06838925

ABSTRACT:
The present invention relates to a high efficiency three-level inverter apparatus containing both bipolar and field effect transistors. An embodiment of a modified control scheme is also presented whereby transistors are modulated differently for each quadrant of output voltage-current phase. This embodiment of a modified control scheme allows efficient switching of field effect transistors without additional freewheeling and series diodes.

REFERENCES:
patent: 5517401 (1996-05-01), Kinoshita et al.
patent: 5587891 (1996-12-01), Nakata et al.
patent: 5684688 (1997-11-01), Rouaud et al.
patent: 5953222 (1999-09-01), Mizutani
patent: 6028779 (2000-02-01), Sakamoto et al.
patent: 6307760 (2001-10-01), Ikimi
patent: 6392907 (2002-05-01), Ichikawa
patent: 6535406 (2003-03-01), Asaeda et al.
patent: 6597590 (2003-07-01), Ikimi et al.
patent: 6697274 (2004-02-01), Bernet et al.

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