Wavelet transform based time-frequency domain reflectometry for underground power cable

Sin Ho Lee, Yoon Ho Choi, Jin Bae Park

Research output: Contribution to journalArticle

Abstract

In this paper, we develope a wavelet transform based time-frequency domain reflectometry (WTFDR) for the fault localization of underground power cable. The conventional TFDR (CTFDR) is more accurate than other reflectometries to localize the cable fault. However, the CTFDR has some weak points such as long computation time and hard implementation because of the nonlinearity of the Wigner-Ville distribution used in the CTFDR. To solve the problem, we use the complex wavelet transform (CWT) because the CWT has the linearity and the reference signal in the TFDR has a complex form. To confirm the effectiveness and accuracy of the proposed method, the actual experiments are carried out for various fault types of the underground power cable.

Original languageEnglish
Pages (from-to)2333-2338
Number of pages6
JournalTransactions of the Korean Institute of Electrical Engineers
Volume60
Issue number12
DOIs
Publication statusPublished - 2011 Jan 1

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Wavelet transforms
Cables
Wigner-Ville distribution
Experiments

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

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Wavelet transform based time-frequency domain reflectometry for underground power cable. / Lee, Sin Ho; Choi, Yoon Ho; Park, Jin Bae.

In: Transactions of the Korean Institute of Electrical Engineers, Vol. 60, No. 12, 01.01.2011, p. 2333-2338.

Research output: Contribution to journalArticle

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