The Transactions of the Korean Institute of Electrical Engineers A (대한전기학회논문지:전력기술부문A)

The Korean Institute of Electrical Engineers (대한전기학회)
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A Daubechies Wavelet Transform Based Criterion Logic Scheme for Discrimination Between Inter-Turn Faults and Magnetizing Inrush in Transformer

도비시 웨이브렛 변환을 이용한 변압기의 여자돌입과 내부 권선고장 판별논리 기법

  • Published : 2001.05.01
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Abstract

This paper proposes a new fault detection criterion logic that extracts the features of magnetizing inrush and internal faults by making use of Daubechies Wavelet Transform which analyzes distinct features. To prove the effectiveness of proposed method, the paper constructs power system model including power transformer by using EMTP, and collects data through simulation using various fault inception angle and magnetizing inrush. The conclusions implemented by the C program and the Wavemenu of MATLAB Toolbos are more effective and simpler to distinguish inter-turn faults from magnetizing inrush states.

Keywords

References

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