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This paper presents a multicell converter topology composed of N single-phase power cells per phase and a multipulse power transformer. The topology achieves high-power-quality waveforms in three-phase applications under the presence of severe unbalanced ac mains. Moreover, the power cells are properly arranged in order to achieve high-performance ac supply current waveforms under asymmetrical loads. The configuration is based on single-phase power cells that feature a pulsewidth-modulation rectifier in order to achieve an overall unitary displacement power factor and a controlled dc-link voltage at the power-cell level. The configuration is implemented, and different experimental tests are performed where unbalance and distortion indexes are computed.
Published in:
Industrial Electronics, IEEE Transactions on
(Volume:57
,
Issue:
8
)
Date of Publication: Aug. 2010
- Page(s):
- 2730 - 2738
- ISSN :
- 0278-0046
- INSPEC Accession Number:
- 11465103
- Digital Object Identifier :
- 10.1109/TIE.2009.2036637
- Product Type:
- Journals & Magazines
- Date of Publication :
- 20 November 2009
- Date of Current Version :
- 12 July 2010
- Issue Date :
- Aug. 2010
- Sponsored by :
- IEEE Industrial Electronics Society
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