Referenced Items are not available for this document.
Control-system errors and imbalances in the AC system may generate and magnify abnormal harmonics in the AC-bus voltages and the DC current. In this paper, a technique based on harmonic impedance matrices has been used to simulate the steady-state response of AC/DC converters. The technique allows the computation of converter impedances or admittances viewed from the DC or AC bus. At any operating point, a linear circuit may represent the converter and harmonic magnification factors are calculated. High harmonic magnification indicates the possibility of composite resonance. The impact of a small negative-sequence imbalance in the AC system voltages is shown for a six-pulse current-controlled converter.
Published in:
Power Delivery, IEEE Transactions on
(Volume:18
,
Issue:
3
)
Date of Publication: July 2003
- Page(s):
- 1060 - 1065
- ISSN :
- 0885-8977
- INSPEC Accession Number:
- 7682990
- Digital Object Identifier :
- 10.1109/TPWRD.2003.813612
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 09 July 2003
- Issue Date :
- July 2003
- Sponsored by :
- IEEE Power & Energy Society
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