Multi-Layer Model Enabled Fault Location for Underground Cables in MMC-HVDC Grids Considering Distributed and Frequency Dependent Line Parameters
2022-08-01
发表期刊IEEE TRANSACTIONS ON POWER DELIVERY (IF:3.8[JCR-2023],4.2[5-Year])
ISSN1937-4208
卷号37期号:4
发表状态已发表
DOI10.1109/TPWRD.2021.3123262
摘要Accurate fault location for underground cables in MMC-HVDC grids reduces the time finding faults as well as the system operational costs. For MMC-HVDC grids, the data window during faults is usually short. During such severe transients, the frequency dependent line parameters of the underground cables have strong influence on the fault location accuracy. In this paper, a novel fault location algorithm for underground cables in MMC-HVDC grids is proposed. First, a multi-layer model for the underground cable using partial differential equations is proposed, which considers the distributed and frequency dependent line parameters in time domain. Afterwards, the numerical finite difference solution of the multi-layer model is proposed to obtain the voltage distributions along the entire cable. Finally, the voltage method is applied to locate faults. Numerical experiments show that the multi-layer model accurately considers the frequency dependency of the cable parameters, and the solution of the model obtains accurate voltage distribution even during system transient. Extensive test cases prove that the proposed algorithm locates faults with less errors than the existing algorithm. The method is also compatible with a relatively low sampling rate (20 kHz) and a short data window (5 ms).
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收录类别SCI ; EI ; SCIE
来源库IEEE
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文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/133082
专题信息科学与技术学院
信息科学与技术学院_PI研究组_廖奇峰组
信息科学与技术学院_PI研究组_刘宇组
信息科学与技术学院_博士生
作者单位
1.School of Information Science and Technology, ShanghaiTech University, Shanghai, China
2.Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China
3.Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China
4.University of the Chinese Academy of Sciences, Beijing, China
5.School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA
第一作者单位信息科学与技术学院
第一作者的第一单位信息科学与技术学院
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GB/T 7714
Dayou Lu,Yu Liu,Jiahao Xie,et al. Multi-Layer Model Enabled Fault Location for Underground Cables in MMC-HVDC Grids Considering Distributed and Frequency Dependent Line Parameters[J]. IEEE TRANSACTIONS ON POWER DELIVERY,2022,37(4).
APA Dayou Lu,Yu Liu,Jiahao Xie,Binglin Wang,&Qifeng Liao.(2022).Multi-Layer Model Enabled Fault Location for Underground Cables in MMC-HVDC Grids Considering Distributed and Frequency Dependent Line Parameters.IEEE TRANSACTIONS ON POWER DELIVERY,37(4).
MLA Dayou Lu,et al."Multi-Layer Model Enabled Fault Location for Underground Cables in MMC-HVDC Grids Considering Distributed and Frequency Dependent Line Parameters".IEEE TRANSACTIONS ON POWER DELIVERY 37.4(2022).
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