Multiple chirp reflectometry for determination of fault direction and localization in live branched network cables

Seung Jin Chang; Jin Bae Park

doi:10.1109/TIM.2017.2700178

Multiple chirp reflectometry for determination of fault direction and localization in live branched network cables

Seung Jin Chang, Jin Bae Park

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

This paper proposes a multiple inductive coupler chirp reflectometry system with multiple resolutions that can determine fault direction, and localize fault is proposed to apply the live target cable. The multiple resolution method enables us to detect and localize the faults, regardless of their location. Time delay information from multiple couplers, which is derived from the time-frequency cross correlation, indicates the fault direction and fault distance, even in cable branched network. The multiple inductive couplers system is proposed to obtain the velocity of propagation and fault direction in cable branch. Using the overcomplete wavelet transform, the signal restoration process can be carried out under signal distortion due to the propagation characteristics of the inductive coupler and target cable. In addition, combining notch filtering techniques and chirp reflectometry method is proposed to cancel 60-Hz harmonic noise, which is acquired from the actual substation. Through the experiments, impedance discontinuity localization and direction determination performance of the proposed method and the adaptability of the proposed method in live cable under harmonic noise by comparing with the existing method were verified.

Original language	English
Article number	8014492
Pages (from-to)	2606-2614
Number of pages	9
Journal	IEEE Transactions on Instrumentation and Measurement
Volume	66
Issue number	10
DOIs	https://doi.org/10.1109/TIM.2017.2700178
Publication status	Published - 2017 Oct

Bibliographical note

Funding Information:
Manuscript received December 31, 2016; revised February 1, 2017; accepted March 25, 2017. Date of publication August 22, 2017; date of current version September 13, 2017. This work was supported by the Korea Institute of Energy Technology Evaluation and Planning and the Ministry of Trade, Industry & Energy of the Republic of Korea under Grant 20161520101200. The Associate Editor coordinating the review process was Dr. Edoardo Fiorucci. (Corresponding author: Jin Bae Park.) The authors are with the Department of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, South Korea (e-mail: jbpark@yonsei.ac.kr).

Publisher Copyright:
© 2017 IEEE.

All Science Journal Classification (ASJC) codes

Instrumentation
Electrical and Electronic Engineering

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10.1109/TIM.2017.2700178

Cite this

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abstract = "This paper proposes a multiple inductive coupler chirp reflectometry system with multiple resolutions that can determine fault direction, and localize fault is proposed to apply the live target cable. The multiple resolution method enables us to detect and localize the faults, regardless of their location. Time delay information from multiple couplers, which is derived from the time-frequency cross correlation, indicates the fault direction and fault distance, even in cable branched network. The multiple inductive couplers system is proposed to obtain the velocity of propagation and fault direction in cable branch. Using the overcomplete wavelet transform, the signal restoration process can be carried out under signal distortion due to the propagation characteristics of the inductive coupler and target cable. In addition, combining notch filtering techniques and chirp reflectometry method is proposed to cancel 60-Hz harmonic noise, which is acquired from the actual substation. Through the experiments, impedance discontinuity localization and direction determination performance of the proposed method and the adaptability of the proposed method in live cable under harmonic noise by comparing with the existing method were verified.",

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note = "Funding Information: Manuscript received December 31, 2016; revised February 1, 2017; accepted March 25, 2017. Date of publication August 22, 2017; date of current version September 13, 2017. This work was supported by the Korea Institute of Energy Technology Evaluation and Planning and the Ministry of Trade, Industry & Energy of the Republic of Korea under Grant 20161520101200. The Associate Editor coordinating the review process was Dr. Edoardo Fiorucci. (Corresponding author: Jin Bae Park.) The authors are with the Department of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, South Korea (e-mail: jbpark@yonsei.ac.kr). Publisher Copyright: {\textcopyright} 2017 IEEE.",

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Multiple chirp reflectometry for determination of fault direction and localization in live branched network cables

Abstract

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