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Distributed Fault Location Matrix Algorithm of Transmission Lines Based on Traveling Wave Time Difference Information
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Fu-tao ZHOU1, Jing LI1, 2, Zhe LIU3, Yi-nuo WANG3, Ping CHEN1, Shun-cai HU1
Water Resources and Power | 2023, 41(8) : 209 - 213
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Water Resources and Power | 2023, 41(8): 209-213
• ELECTRICAL ENGINEERING •
Distributed Fault Location Matrix Algorithm of Transmission Lines Based on Traveling Wave Time Difference Information
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Fu-tao ZHOU1, Jing LI1, 2, Zhe LIU3, Yi-nuo WANG3, Ping CHEN1, Shun-cai HU1
Affiliations
  • 1.School of Electrical and Electronic Engineering, Shandong University of Technology, Zibo 255049, China
  • 2.Shandong Kehui Electric Power Automation Co., Ltd., Zibo 255049, China
  • 3.Zibo Technician College, Shandong Province, Zibo 255049, China
Published: 2023-08-25 doi: 10.20040/j.cnki.1000-7709.2023.20221798
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For the transmission line distributed traveling wave fault ranging system, this paper proposes a distributed fault location matrix algorithm of transmission lines based on traveling wave time difference information. The algorithm uses the principle of double-ended traveling wave ranging to construct the lower triangular fault location matrix by combining the monitoring node data two by two. The nature of matrix rank was used to select the fault point area and calculate the fault location distance simultaneously. The matrix zeroing algorithm was set to accelerate the find of matrix rank. The distance correction algorithm was set to improve the accuracy of positioning results. The applicability and reliability of the distributed traveling wave fault location matrix algorithm for transmission lines were verified by modeling and simulation with PSCAD and MATLAB software. The necessity of the corrected zeroing algorithm and the significant improvement of the distance correction algorithm on the fault location accuracy were demonstrated by comparison during the operation.

distributed traveling-wave fault location  /  traveling-wave time difference information  /  matrix algorithm  /  rank
Fu-tao ZHOU, Jing LI, Zhe LIU, Yi-nuo WANG, Ping CHEN, Shun-cai HU. Distributed Fault Location Matrix Algorithm of Transmission Lines Based on Traveling Wave Time Difference Information[J]. Water Resources and Power, 2023 , 41 (8) : 209 -213 . DOI: 10.20040/j.cnki.1000-7709.2023.20221798
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20221798
  • Receive Date：2022-08-30
  • Online Date：2026-01-28
  • Published：2023-08-25
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History
  • Received：2022-08-30
  • Revised：2022-10-24
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Affiliations
    1.School of Electrical and Electronic Engineering, Shandong University of Technology, Zibo 255049, China
    2.Shandong Kehui Electric Power Automation Co., Ltd., Zibo 255049, China
    3.Zibo Technician College, Shandong Province, Zibo 255049, China
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