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This paper presents a new method that passively reduces the neutral current harmonics in a three-phase four-wire system by a synchronous machine. Selecting 2/3 as the coil pitch of the armature winding can minimize the zero-sequence reactance of the synchronous machine. The proposed method utilizes such a characteristic, which allows harmonic compensation by the synchronous machine. For analysis and design, an equivalent circuit for the third harmonic component of the basic system is derived. Using this equivalent circuit, its harmonic compensation characteristics are theoretically analyzed and design fundamentals are provided. Experimental results demonstrate the effectiveness of the proposed method and validate the theoretical analysis.
Published in:
Industry Applications, IEEE Transactions on
(Volume:38
,
Issue:
5
)
Date of Publication: Sep/Oct 2002
- Page(s):
- 1232 - 1236
- ISSN :
- 0093-9994
- INSPEC Accession Number:
- 7407533
- Digital Object Identifier :
- 10.1109/TIA.2002.802923
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 07 November 2002
- Issue Date :
- Sep/Oct 2002
- Sponsored by :
- IEEE Industry Applications Society
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