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This paper proposes an energy regeneration circuit for three-phase voltage-fed inverters using a modified Undeland snubber. The proposed system uses a quasi-square-wave zero voltage switching dc-dc auxiliary converter to regenerate the energy from snubber capacitor to the dc bus. The regenerative circuit uses a single active switch, and it operates independently of the three-phase inverter. Operation stages, theoretical waveforms, and a design methodology are presented. Experimental results based on a 4.5-kVA three-phase inverter prototype are included to validate the proposed topology.
Published in:
Industrial Electronics, IEEE Transactions on
(Volume:58
,
Issue:
8
)
Date of Publication: Aug. 2011
- Page(s):
- 3298 - 3307
- ISSN :
- 0278-0046
- INSPEC Accession Number:
- 12157700
- Digital Object Identifier :
- 10.1109/TIE.2010.2089947
- Product Type:
- Journals & Magazines
- Date of Publication :
- 28 October 2010
- Date of Current Version :
- 11 July 2011
- Issue Date :
- Aug. 2011
- Sponsored by :
- IEEE Industrial Electronics Society
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