DC to AC inverter with single-switch bipolar boost circuit

Details DC to AC inverter with single-switch bipolar boost circuit DC to AC inverter with single-switch bipolar boost circuit

2006-08-29

2006-08-29

Nguyen, Matthew V. (Department: 2838)

Electric power conversion systems

Current conversion

Using semiconductor-type converter

C363S098000, C323S222000

Reexamination Certificate

active

07099169

ABSTRACT:
This invention improves the performance and lowers the cost of DC to AC inverters and the systems where these inverters are used. The performance enhancements are most valuable in renewable and distributed energy applications where high power conversion efficiencies are critical. The invention allows a variety of DC sources to provide power thru the inverter to the utility grid or directly to loads without a transformer and at very high power conversion efficiencies. The enabling technology is a novel boost converter stage that regulates the voltage for a following DC to AC converter stage and uses a single semiconductor switching device. The AC inverter output configuration is either single-phase or three-phase.

REFERENCES:
patent: 6104624 (2000-08-01), Iwamoto et al.
patent: 6232742 (2001-05-01), Wacknov et al.
patent: 6320769 (2001-11-01), Kurokami et al.
patent: 6587051 (2003-07-01), Takehara et al.
patent: 6678174 (2004-01-01), Suzui et al.

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