Outer-rotor type permanent magnet reluctance generator with high power and low toque ripple

研究成果: Conference contribution

抄録

This paper presents an outer-rotor type permanent magnet reluctance generator (PMRG) for a small-scale wind-turbine and micro-hydroelectric power generation. First, this paper describes a PMRG using ferrite magnets. Residual magnetic flux density of the ferrite magnet is about three times lower than the rare-earth magnet, but the cost is about 10 times lower. It is demonstrated that the proposed PMRG with ferrite magnets has almost the same output power as that using rare-earth magnets by employing an outer-rotor structure. Next, a method for reducing torque ripple of the PMRG by stacking two rotors is proposed. One rotor is shifted by 180° in electrical angle from the other rotor. In addition, the rotor pole-tips are chamfered so that the toque waveform consists of only odd harmonics. In such a structure, the torque ripple can be almost cancelled. A trial two-stacked outer-rotor PMRG demonstrates that the maximum output power is 777 W, the efficiency at the point is 84.5%, and torque ripple is very low.

本文言語English
ホスト出版物のタイトルProceedings - IECON 2010, 36th Annual Conference of the IEEE Industrial Electronics Society
ページ2248-2251
ページ数4
DOI
出版ステータスPublished - 2010 12 1
イベント36th Annual Conference of the IEEE Industrial Electronics Society, IECON 2010 - Glendale, AZ, United States
継続期間: 2010 11 72010 11 10

出版物シリーズ

名前IECON Proceedings (Industrial Electronics Conference)

Other

Other36th Annual Conference of the IEEE Industrial Electronics Society, IECON 2010
国/地域United States
CityGlendale, AZ
Period10/11/710/11/10

ASJC Scopus subject areas

  • 制御およびシステム工学
  • 電子工学および電気工学

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