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In the paper, a new auxiliary circuit that can be used in ZVT-PWM converters is proposed. The properties, operation, and design of the new auxiliary circuit are discussed in the paper will discuss Experimental results obtained from a prototype of a ZVT boost converter with the new auxiliary circuit are presented to confirm the feasibility of the circuit.
A new auxiliary circuit for single switch, zero-voltage-transition pulse width modulated (ZVT-PWM) converters is proposed in this paper. This circuit can assist the zero-voltage-switching (ZVS) operation of the main converter switch with lower auxiliary switch switching losses than many previously proposed ZVT-PWM converters, but with less circulating current than that found in ZVT-PWM converters...
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