1-ohm Impedance Criterion for Diagnosis of Single-Phase Ground Fault of Transmission Line
The transition resistance during single-phase grounding faults in transmission lines is closely related to the fault cause. Quickly determining the cause of the fault through the transition resistance value and taking targeted measures to restore the power supply quickly is of great significance to...
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| Format: | Article |
| Language: | English |
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IEEE
2025-01-01
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| Series: | IEEE Access |
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| Online Access: | https://ieeexplore.ieee.org/document/10816416/ |
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| _version_ | 1841533440043778048 |
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| author | Xueming Zhou Xiankang Wang Yao Yao Zhiqiang Feng Zixuan Hu Jianjin Fu Zijian Li |
| author_facet | Xueming Zhou Xiankang Wang Yao Yao Zhiqiang Feng Zixuan Hu Jianjin Fu Zijian Li |
| author_sort | Xueming Zhou |
| collection | DOAJ |
| description | The transition resistance during single-phase grounding faults in transmission lines is closely related to the fault cause. Quickly determining the cause of the fault through the transition resistance value and taking targeted measures to restore the power supply quickly is of great significance to improving the stability of the power system. Starting from the basic circuit principle, this paper analyzes the composition of the transition resistance for two typical grounding situations: the line-to-tower discharge and the line-to-ground discharge, and derives the equivalent impedance of the tower-wire grounding system. Based on analyzing the grounding wire parameters, the tower grounding resistance, and the span size, the 1-ohm impedance criterion was proposed, that is, the transition resistance during line-to-tower discharges should be less than 1 ohm. Then, the equation for calculating the transition resistance using the double-terminal fault recording was derived and simplified for engineering calculation. Finally, combined with 56 real fault cases of 220 kV~1000 kV transmission lines, each case’s transition resistance value and fault cause are analyzed to verify the effectiveness of the proposed 1-ohm criterion. |
| format | Article |
| id | doaj-art-cab6ad3eef2b4ecbace32ddd37e7a6f8 |
| institution | Kabale University |
| issn | 2169-3536 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Access |
| spelling | doaj-art-cab6ad3eef2b4ecbace32ddd37e7a6f82025-01-16T00:01:49ZengIEEEIEEE Access2169-35362025-01-01131680168710.1109/ACCESS.2024.3523266108164161-ohm Impedance Criterion for Diagnosis of Single-Phase Ground Fault of Transmission LineXueming Zhou0Xiankang Wang1https://orcid.org/0000-0003-0260-8389Yao Yao2Zhiqiang Feng3Zixuan Hu4Jianjin Fu5https://orcid.org/0009-0007-3075-0418Zijian Li6https://orcid.org/0000-0003-4110-954XElectric Power Research Institute of State Grid Hubei Electric Power Company Ltd., Wuhan, Hubei, ChinaElectric Power Research Institute of State Grid Hubei Electric Power Company Ltd., Wuhan, Hubei, ChinaElectric Power Research Institute of State Grid Hubei Electric Power Company Ltd., Wuhan, Hubei, ChinaElectric Power Research Institute of State Grid Hubei Electric Power Company Ltd., Wuhan, Hubei, ChinaSchool of Electrical and Electronic Engineering, North China Electric Power University, Beijing, ChinaElectric Power Research Institute of State Grid Hubei Electric Power Company Ltd., Wuhan, Hubei, ChinaElectric Power Research Institute of State Grid Hubei Electric Power Company Ltd., Wuhan, Hubei, ChinaThe transition resistance during single-phase grounding faults in transmission lines is closely related to the fault cause. Quickly determining the cause of the fault through the transition resistance value and taking targeted measures to restore the power supply quickly is of great significance to improving the stability of the power system. Starting from the basic circuit principle, this paper analyzes the composition of the transition resistance for two typical grounding situations: the line-to-tower discharge and the line-to-ground discharge, and derives the equivalent impedance of the tower-wire grounding system. Based on analyzing the grounding wire parameters, the tower grounding resistance, and the span size, the 1-ohm impedance criterion was proposed, that is, the transition resistance during line-to-tower discharges should be less than 1 ohm. Then, the equation for calculating the transition resistance using the double-terminal fault recording was derived and simplified for engineering calculation. Finally, combined with 56 real fault cases of 220 kV~1000 kV transmission lines, each case’s transition resistance value and fault cause are analyzed to verify the effectiveness of the proposed 1-ohm criterion.https://ieeexplore.ieee.org/document/10816416/High voltage transmission linetransition resistancesingle-phase grounding faultfault recorderfault diagnosis |
| spellingShingle | Xueming Zhou Xiankang Wang Yao Yao Zhiqiang Feng Zixuan Hu Jianjin Fu Zijian Li 1-ohm Impedance Criterion for Diagnosis of Single-Phase Ground Fault of Transmission Line IEEE Access High voltage transmission line transition resistance single-phase grounding fault fault recorder fault diagnosis |
| title | 1-ohm Impedance Criterion for Diagnosis of Single-Phase Ground Fault of Transmission Line |
| title_full | 1-ohm Impedance Criterion for Diagnosis of Single-Phase Ground Fault of Transmission Line |
| title_fullStr | 1-ohm Impedance Criterion for Diagnosis of Single-Phase Ground Fault of Transmission Line |
| title_full_unstemmed | 1-ohm Impedance Criterion for Diagnosis of Single-Phase Ground Fault of Transmission Line |
| title_short | 1-ohm Impedance Criterion for Diagnosis of Single-Phase Ground Fault of Transmission Line |
| title_sort | 1 ohm impedance criterion for diagnosis of single phase ground fault of transmission line |
| topic | High voltage transmission line transition resistance single-phase grounding fault fault recorder fault diagnosis |
| url | https://ieeexplore.ieee.org/document/10816416/ |
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