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This paper proposes a novel highly reliable single-stage buck-boost inverter. It can be operated as grid-connected and stand-alone inverter. In a single-stage, it can generate an output ac voltage higher and lower than the input dc voltage. The proposed inverter can be employed in grid-connected single-phase PV systems without injecting large dc current into the grid. In addition, it has no shoot-through...
Inverter is a definitive solution toward ac voltage regulation in a system having input dc voltage variation. This paper proposes, a novel single-stage single-phase buck-boost inverter called dual buck-boost inverter. It has the buck-boost function and requires only four active switches. It has no shoot-through worries and has improved reliability. In the proposed inverter, the body diodes of switches...
In this paper, a novel three-phase buck-boost ac-ac converter is proposed. It requires only three inductors and six switches. The proposed converter has no current shoot-through related problems and eliminates the PWM dead times, which results in greatly enhanced system reliability. The proposed converter allow the use of MOSFET without conducting body diode, therefore the reverse recovery issues...
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