Improvement of three-phase unbalance due to connection of dispersed generator by damper windings of synchronous generator

Junya Matsuki, Hisao Taoka, Yasuhiro Hayashi, Shigeru Iwamoto, Akihiro Daikoku

研究成果: Article査読

2 被引用数 (Scopus)

抄録

It is well known in the numerical simulations of a synchronous generator that the damper winding contributes to suppressing three-phase circuit unbalance in power systems. However, an experimental study has not been performed yet. In this paper, we verify experimentally the suppression of three-phase unbalance by the damper windings. In order to simulate the three-phase unbalance, a 470-W dispersed generator of single-phase two-line type was connected to a three-phase laboratory-scale power system that included a 6-kVA synchronous generator. We measured and analyzed line voltages and currents as well as damper bar currents both with and without the dispersed generator. The influence of damper windings on the unbalance of the three-phase circuit was also investigated. The results show that the damper winding contributes to improving the three-phase unbalance.

本文言語English
ページ(範囲)43-50
ページ数8
ジャーナルElectrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi)
186
1
DOI
出版ステータスPublished - 2014 1

ASJC Scopus subject areas

  • エネルギー工学および電力技術
  • 電子工学および電気工学

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