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A new zero-voltage-switching (ZVS) pulsewidth-modulated (PWM) single-phase inverter using a simple ZVS-PWM commutation cell is presented in this paper. Except for the auxiliary switches, all active and passive semiconductor devices in the ZVS-PWM single-phase inverter operate at ZVS turn on and turn off. The auxiliary switches operate at zero-current-switching (ZCS) turned-on and turned-off. Besides...
This paper proposes novel high input power factor single-stage single-phase AC/AC converter to give high input power factor and low current distortion on the rectifier side and provide clean and stable AC voltage on the inverter side. The proposed AC/AC converter can not only provide regulation of the output AC voltage magnitude but provide variable output AC voltage frequency. A significant reduction...
This paper proposes novel high input power factor single-stage single-phase AC/AC converter to give high input power factor and low current distortion on the rectifier side and provide clean and stable AC voltage on the inverter side. The proposed AC/AC converter can not only provide regulation of the output AC voltage magnitude but provide variable output AC voltage frequency. A significant reduction...
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