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A zero-voltage switching (ZVS) pulse-width-modulation (PWM) single-phase inverter using a ZVS transformer-isolated step-up/down dc link is presented in this paper. The proposed ZVS transformer-isolated step-up/down dc link not only makes the switches in single-phase inverter can operate at ZVS condition, but it has a step-up/down input voltage function and it provides an isolation function. Moreover,...
A novel soft-switching interleaved boost dc/dc converter is proposed in this paper. The proposed converter combines the conventional pulse-width-modulation technique, soft commutation technique to promote the circuit performance. The proposed converter uses two boost dc/dc converters with interleaved operation to increase the output power and reduce the input ripple current and output ripple voltage...
This paper analyses and designs a zero-current-switching single-phase high power factor transformer-isolated voltage-double boost rectifier. The proposed rectifier combines the conventional pulse-width-modulation technique, soft commutation technique and instantaneous average line current control to promote the circuit performance. Comparison with conventional transformer-isolated boost rectifier,...
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