Title

Novel Zero-Voltage-Switching (Zvs) Boost Converter By Using A Nonlinear Magnetizing Inductor Of The Transformer

Abstract

A technique using a nonlinear magnetizing inductor of the transformer is proposed to achieve Zero-Voltage-Switching (ZVS) operation. ZVS and proper transformer core reset can be realized from the resonance that exists between the parasitic capacitance and the magnetizing inductance of the transformer. DC bias current applied to the transformer makes it operate in the nonlinear region of the B-H characteristic curve to make ZVS possible. It will be shown that all switches can operate at ZVS or ZCS with minimum voltage and current stresses. Steady-state analysis will be presented to illustrate the principle of operation. A 125 kHz, 100 watts ZVS clamp-mode isolated boost converter is implemented to verify the proposed scheme.

Publication Date

1-1-1995

Publication Title

Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC

Volume

1

Number of Pages

490-495

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

Socpus ID

0029223491 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/0029223491

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