Health monitoring of power cable via joint time-frequency domain reflectometry

Jingjiang Wang; Philip E.C. Stone; David Coats; Yong June Shin; Roger A. Dougal

doi:10.1109/TIM.2010.2058730

Health monitoring of power cable via joint time-frequency domain reflectometry

Jingjiang Wang, Philip E.C. Stone, David Coats, Yong June Shin, Roger A. Dougal

Department of Electrical and Electronic Engineering

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

42 Citations (Scopus)

Abstract

Utilities are experiencing premature failures of power cables. In order to prevent electrical outages and to save on repair expenses, a nondestructive and nonintrusive condition assessment technique is highly desirable to evaluate the cable status and to predict the remaining life of a cable. In this paper, the capability of joint time-frequency domain reflectometry (JTFDR) as such a condition assessment technique is studied. The health status of three popular insulations in power system cables - cross-linked polyethylene, ethylene propylene rubber, and silicone rubber - is monitored using the JTFDR in a thermal accelerated aging test. The experimental results show that the JTFDR can successfully monitor the aging process of all three insulations. Then, the results from the JTFDR are compared with the results from the elongation at break (EAB); the results show that the JTFDR technique is comparable with the EAB and has a great potential as a nondestructive and nonintrusive condition assessment technique.

Original language	English
Article number	5621911
Pages (from-to)	1047-1053
Number of pages	7
Journal	IEEE Transactions on Instrumentation and Measurement
Volume	60
Issue number	3
DOIs	https://doi.org/10.1109/TIM.2010.2058730
Publication status	Published - 2011 Mar

Bibliographical note

Funding Information:
Manuscript received March 24, 2010; revised June 1, 2010; accepted June 16, 2010. Date of publication November 9, 2010; date of current version February 9, 2011. This work was supported in part by the National Science Foundation under Grant 0747681, “CAREER: Diagnostics and Prognostics of Electric Cables in Aging Power Infrastructure,” by the U.S. Office of Naval Research under Grants N00014-02-1-0623 and N00014-03-1-0434, “Electric Ship Research and Development Consortium,” and by the U.S. Nuclear Regulatory Commission under Grant NRC-04-09-156, “Joint Time-Frequency Domain Reflectometry for Diagnostics/Prognostics of Aging Electric Cables in Nuclear Power Plants.” The Associate Editor coordinating the review process for this paper was Dr. Sergey Kharkovsky.

All Science Journal Classification (ASJC) codes

Instrumentation
Electrical and Electronic Engineering

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10.1109/TIM.2010.2058730

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abstract = "Utilities are experiencing premature failures of power cables. In order to prevent electrical outages and to save on repair expenses, a nondestructive and nonintrusive condition assessment technique is highly desirable to evaluate the cable status and to predict the remaining life of a cable. In this paper, the capability of joint time-frequency domain reflectometry (JTFDR) as such a condition assessment technique is studied. The health status of three popular insulations in power system cables - cross-linked polyethylene, ethylene propylene rubber, and silicone rubber - is monitored using the JTFDR in a thermal accelerated aging test. The experimental results show that the JTFDR can successfully monitor the aging process of all three insulations. Then, the results from the JTFDR are compared with the results from the elongation at break (EAB); the results show that the JTFDR technique is comparable with the EAB and has a great potential as a nondestructive and nonintrusive condition assessment technique.",

author = "Jingjiang Wang and Stone, {Philip E.C.} and David Coats and Shin, {Yong June} and Dougal, {Roger A.}",

note = "Funding Information: Manuscript received March 24, 2010; revised June 1, 2010; accepted June 16, 2010. Date of publication November 9, 2010; date of current version February 9, 2011. This work was supported in part by the National Science Foundation under Grant 0747681, “CAREER: Diagnostics and Prognostics of Electric Cables in Aging Power Infrastructure,” by the U.S. Office of Naval Research under Grants N00014-02-1-0623 and N00014-03-1-0434, “Electric Ship Research and Development Consortium,” and by the U.S. Nuclear Regulatory Commission under Grant NRC-04-09-156, “Joint Time-Frequency Domain Reflectometry for Diagnostics/Prognostics of Aging Electric Cables in Nuclear Power Plants.” The Associate Editor coordinating the review process for this paper was Dr. Sergey Kharkovsky.",

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N2 - Utilities are experiencing premature failures of power cables. In order to prevent electrical outages and to save on repair expenses, a nondestructive and nonintrusive condition assessment technique is highly desirable to evaluate the cable status and to predict the remaining life of a cable. In this paper, the capability of joint time-frequency domain reflectometry (JTFDR) as such a condition assessment technique is studied. The health status of three popular insulations in power system cables - cross-linked polyethylene, ethylene propylene rubber, and silicone rubber - is monitored using the JTFDR in a thermal accelerated aging test. The experimental results show that the JTFDR can successfully monitor the aging process of all three insulations. Then, the results from the JTFDR are compared with the results from the elongation at break (EAB); the results show that the JTFDR technique is comparable with the EAB and has a great potential as a nondestructive and nonintrusive condition assessment technique.

AB - Utilities are experiencing premature failures of power cables. In order to prevent electrical outages and to save on repair expenses, a nondestructive and nonintrusive condition assessment technique is highly desirable to evaluate the cable status and to predict the remaining life of a cable. In this paper, the capability of joint time-frequency domain reflectometry (JTFDR) as such a condition assessment technique is studied. The health status of three popular insulations in power system cables - cross-linked polyethylene, ethylene propylene rubber, and silicone rubber - is monitored using the JTFDR in a thermal accelerated aging test. The experimental results show that the JTFDR can successfully monitor the aging process of all three insulations. Then, the results from the JTFDR are compared with the results from the elongation at break (EAB); the results show that the JTFDR technique is comparable with the EAB and has a great potential as a nondestructive and nonintrusive condition assessment technique.

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Health monitoring of power cable via joint time-frequency domain reflectometry

Abstract

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