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This paper presents a feasibility investigation of a zero-voltage switching (ZVS) pulsewidth modulation (PWM) dc-dc converter with secondary-side phase-shifting power control scheme. The ZVS-PWM dc-dc converter treated here can achieve soft commutation in all the power devices under the wide range of output power variation. By the phase-shifting control that is based on the secondary-side rectifier linked with a high-frequency planar transformer, the effective reduction of idling power in the primary-side inverter as well as snubber-less rectifications in the secondary-side rectifier can be actually attained. The essential experimental data obtained from a 100-kHz/2.5-kW prototype are described herein to validate the soft-switching circuit and control scheme, and then the effectiveness of the dc-dc converter is discussed and evaluated from a practical point of view.
Published in:
Power Electronics, IEEE Transactions on
(Volume:26
,
Issue:
12
)
Date of Publication: Dec. 2011
- Page(s):
- 3896 - 3907
- ISSN :
- 0885-8993
- INSPEC Accession Number:
- 12391168
- Digital Object Identifier :
- 10.1109/TPEL.2011.2132146
- Product Type:
- Journals & Magazines
- Date of Publication :
- 24 March 2011
- Date of Current Version :
- 01 December 2011
- Issue Date :
- Dec. 2011
- Sponsored by :
- IEEE Power Electronics Society
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