エステル系絶縁油中部分放電ならびにアーク放電で生成される分解ガス特性について

Masamichi Kato, Nobuyuki Oota, Tomoya Kageyama, Khairiah Binti Mohamad Radzi, Satoshi Matsumoto

研究成果: Article査読

抄録

To apply dissolved gas analysis (DGA) for ester insulating oils, the gas generation characteristics of various ester insulating oils were studied under the partial discharges (PDs) and arc discharges. The test vessel was made for qualification of dissolved gas, and both PD and arc energy measuring devices were developed to estimate the discharge energy. The oil samples containing the dissolved gases were sampled and compared with before and after the discharge test, namely, these samples were analyzed by gas chromatograph. The analysis revealed the type and amount of dissolved gases caused by the discharges. In the paper, new diagnosis methods based on DGA are proposed to find abnormal conditions such as PDs and arc discharges in ester oil filled transformers.

寄稿の翻訳タイトルCharacteristics of gas generation by partial and arc discharges in ester-based insulating oils
本文言語Japanese
ページ(範囲)185-196
ページ数12
ジャーナルIEEJ Transactions on Fundamentals and Materials
141
3
DOI
出版ステータスPublished - 2021 3 1

Keywords

  • Abnormality diagnosis
  • Arc discharge
  • Dissolved gas analysis
  • Ester insulating oil
  • Partial discharge
  • Transformer

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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