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Development of Fault Location Method Using SWT and Travelling Wave on Underground Power Cable Systems  

Jung, Chae-Kyun (한전 전력연구원)
Lee, Jong-Beom (원광대 공대 전기전자 및 정보공학부)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.57, no.2, 2008 , pp. 184-190 More about this Journal
Abstract
The fault location algorithm based on stationary wavelet transform was developed to locate the fault point more accurately. The stationary wavelet transform(SWT) was introduced instead of conventional discrete wavelet transform(DWT) because SWT has redundancy properties which is more useful in noise signal processing. In previous paper, noise cancellation technique based on the correlation of wavelet coefficients at multi-scales was introduced, and the efficiency was also proved in full. In this paper, fault section discrimination and fault location algorithm using noise cancellation technique were tested by ATP simulation on real power cable systems. From these results, the fault can be located even in very difficult and complicated situations such as different inception angle and fault resistance.
Keywords
Fault location; Noise cancellation method; SWT; Travelling wave; Underground power cable systems;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 0
연도 인용수 순위
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