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A new zero voltage switching (ZVS) boost converter is presented in this paper. By using an auxiliary switch and a capacitor, ZVS for all switches is achieved with an auxiliary winding in one magnetic core. A small diode is added to eliminate the voltage ringing across the main rectifier diode. This clamping technique can also be utilized in other dc-dc converters, and a family of new ZVS dc-dc converter...
A high efficiency power factor correction converter is proposed in this paper. By using an auxiliary switch, a small auxiliary inductor and a clamp capacitor, ZVS for all switches is achieved. To eliminate the voltage ringing across the output rectifier diode, a small diode DC is added to clamp the voltage. A 500 W/103 kHz PFC prototype is built up for the universal line application to verify the...
A novel single-phase rectifier is introduced in this paper, which consists of a front-end full-bridge diode rectifier followed by a ZVS boost active clamping converter. By using an auxiliary switch and a capacitor, ZVS for all switches is achieved without any additional magnetic component. To eliminate the voltage ringing across the main rectifier diode, a small diode is added. Applying the proposed...
A new ZVS cell is proposed based on the active clamping technique. With a small clamping diode in the cell the voltage ringing caused by the auxiliary inductor is eliminated, and the circulating loss is minimized. A new ZVS boost converter is presented and analyzed in detail to demonstrate the operation principle of the new ZVS cell. Utilizing this cell a new family of ZVS DC-DC converter can be constructed...
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