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A buck-boost DC-AC converter: Operation, analysis, and control

Abstract:

The main purpose of this paper is to analyze a four quadrant DC to AC switched mode inverter, using a buck-boost DC to DC convener. The buck-boost inverter is intended to be used in UPS design, whenever an AC voltage larger than DC link voltige is needed, with no need of a second power conversion stage. Operation, control strategy, simulation results are included in this paper.