A cost-effective quasi-resonant DC-DC power converter using a novel phase-shifted PWM scheme

This paper presents a cost-effective quasi-resonant soft-switching DC-DC power converter using a novel phase-shifted PWM (PSPWM) scheme with a high-frequency transformer link. This power converter can completely achieve soft-switching operation under the small commutating current and no circulating...

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Bibliographic Details
Main Authors: Michihira, M, Ota, T, Funaki, T, Matsu-ura, K, Nakaoka, M
Format: Conference Proceeding
Language:English
Subjects:
Inductors and transformers
Power convertors and power supplies to apparatus
Power electronics, supply and supervisory circuits
Transformers and reactors
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Summary:This paper presents a cost-effective quasi-resonant soft-switching DC-DC power converter using a novel phase-shifted PWM (PSPWM) scheme with a high-frequency transformer link. This power converter can completely achieve soft-switching operation under the small commutating current and no circulating current. As a result, the conduction losses caused by their currents is substantially reduced as compared with the conventional soft-switching PSPWM DC-DC power converters. The operation principle of this power converter and its performance analysis in the steady-state are illustrated and discussed on the basis of simulation and experimental results.
DOI:10.1049/cp:19960971