NDLI: Locating short-circuit faults in underground networks

Content Provider	IEEE Xplore Digital Library
Author	Zhou, J. Ayhan, B. Kwan, C. Limaye, O.D. Lu, M. Lee, W.
Copyright Year	2011
Description	Author affiliation: Signal Processing, Inc., 9700 Great Seneca Highway, Rockville, MD 20850, USA (Zhou, J.; Ayhan, B.; Kwan, C.) \|\| University of Texas at Arlington, 76019, USA (Limaye, O.D.; Lu, M.; Lee, W.)
Abstract	In power distribution networks, impedance short-circuit faults are hard to detect in their incipient stage, as the fault currents may not be large enough to trip circuit breakers. In this paper, we summarize our research activities in short-circuit fault localization in underground power distribution networks. First, a simulation testbed was built. It can emulate power distribution networks with both bolted and impedance faults. Different impedances can be added to different branches. Power injection points, load nodes, and short-circuit fault locations can all be adjusted by users. Second, a hardware testbed corresponding to the simulation testbed was fabricated. Third, two novel fault localization algorithms (fault signature matching and sparisity recovery) were implemented. Results obtained from the simulation and hardware testbeds have excellent agreement. Our fault localization algorithms are validated by extensive numerical and experimental data. It is observed that, standard voltage measurements at a small number of pre-selected nodes are sufficient to localize the faults precisely; and hence, our fault localization scheme is of low cost. In addition, since our algorithms require only simple matrix calculations, localization within a few cycles (< 50ms) is achievable.
Starting Page	1
Ending Page	7
File Size	1773199
Page Count	7
File Format	PDF
ISBN	9781424494989
ISSN	01972618
e-ISBN	9781424495009
DOI	10.1109/IAS.2011.6074404
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio frequency Fault localization Impedance fault Sensors Sparsity recovery Indexes Mathematical model Equations Short-circuit
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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