Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Research of Flow Velocity and BTA According to the Streaming Electrification of Vegetable Insulating Oils

식물성 절연유의 유속과 BTA에 따른 유동대전 현상 연구

  • Choi, Sun-Ho (Department of Electrical Engineering, INHA University) ;
  • Bang, Jeong-Ju (Department of Electrical Engineering, INHA University) ;
  • Huh, Chang-Su (Department of Electrical Engineering, INHA University)
  • Received : 2012.09.03
  • Accepted : 2012.09.24
  • Published : 2012.10.01

Abstract

Mineral insulating oils are an important insulating materials in oil-filled transformer. However, the mineral oil is the cause of the environmental problem. The vegetable oils are substitutes for mineral oil because of its biodegradability characteristic. As large size and high rating of the transformer increases, the losses increase at a faster rate. So insulating oil is forced circulation in the oil-filled transformer by using oil pumps. The flow electrification occurs when insulating oil was forced to be circulated. To check the flow electrification, had conducted experiments varying factors. As a result, the streaming electrification could see the changes according to flow velocity, oil temperature and insulation materials.

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Acknowledgement

Supported by : 정보통신산업진흥원

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