A fault location method using air-gap fluxes of synchronous generator

Junya Matsuki*, Yasuhiro Hayashi, Toshikazu Nakano, Yoichi Funasaki

*この研究の対応する著者

研究成果査読

1 被引用数 (Scopus)

抄録

This paper deals with an experimental investigation of a novel fault location method using air-gap flux distributions of a synchronous generator connected to a power system. Air-gap fluxes are the sum of field fluxes and armature reaction fluxes. Changes in armature current and field current at a fault contribute directly to the armature reaction fluxes and field fluxes, then resultant air-gap fluxes. Therefore, air-gap fluxes can be utilized to locate a fault. Wavelet analysis is applied to the induced voltages of search coils, which are wound around a stator tooth top for measurement of the air-gap flux. It is shown that the fault type and location can be estimated based on the change in the search coil voltages measured during the fault.

本文言語English
ページ(範囲)20-27
ページ数8
ジャーナルElectrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi)
167
3
DOI
出版ステータスPublished - 2009 5
外部発表はい

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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