Dynamic Distribution of Rail Potential with Regional Insulation Alteration in Multi-Train Urban Rail Transit
Rail potential (RP) has become a disaster for the safe operation of metro lines. In urban rail transit (URT), regional insulation degradation often occurs due to the harsh environment of the reflux conductor for traction current, leading to the complex distribution of RP. In this paper, the dynamic...
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| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2024-01-01
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| Series: | IET Electrical Systems in Transportation |
| Online Access: | http://dx.doi.org/10.1049/2024/5069484 |
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| author | Ziyuan Kang Guifu Du Yaoda Xia Qiaoyue Li Guilu Zhang Xin Guo Weiguo Huang Zhongkui Zhu |
| author_facet | Ziyuan Kang Guifu Du Yaoda Xia Qiaoyue Li Guilu Zhang Xin Guo Weiguo Huang Zhongkui Zhu |
| author_sort | Ziyuan Kang |
| collection | DOAJ |
| description | Rail potential (RP) has become a disaster for the safe operation of metro lines. In urban rail transit (URT), regional insulation degradation often occurs due to the harsh environment of the reflux conductor for traction current, leading to the complex distribution of RP. In this paper, the dynamic distribution of RP with regional insulation alteration in URT is studied. First, the distribution model of the reflux system with regional insulation alteration is established. Second, utilizing the distributed parameter element method and taking into account the constraint conditions of the concentrated parameters, a superposition calculation method of RP in the reflux system is proposed. Finally, using Guangzhou Metro as an example, the simulation of different insulation states in long and local areas of URT is carried out. Results show that the RP amplitude decreases while the stray current amplitude increases when the insulation is degraded. At the same time, when the insulation in the local area degrades, the RP at the far end increases. |
| format | Article |
| id | doaj-art-1d318932badc49b3a1f445d7975c7ff3 |
| institution | Kabale University |
| issn | 2042-9746 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | IET Electrical Systems in Transportation |
| spelling | doaj-art-1d318932badc49b3a1f445d7975c7ff32024-12-02T07:47:28ZengWileyIET Electrical Systems in Transportation2042-97462024-01-01202410.1049/2024/5069484Dynamic Distribution of Rail Potential with Regional Insulation Alteration in Multi-Train Urban Rail TransitZiyuan Kang0Guifu Du1Yaoda Xia2Qiaoyue Li3Guilu Zhang4Xin Guo5Weiguo Huang6Zhongkui Zhu7School of Rail TransportationSchool of Rail TransportationSchool of Rail TransportationSuzhou City UniversitySuzhou City UniversitySchool of Rail TransportationSchool of Rail TransportationSchool of Rail TransportationRail potential (RP) has become a disaster for the safe operation of metro lines. In urban rail transit (URT), regional insulation degradation often occurs due to the harsh environment of the reflux conductor for traction current, leading to the complex distribution of RP. In this paper, the dynamic distribution of RP with regional insulation alteration in URT is studied. First, the distribution model of the reflux system with regional insulation alteration is established. Second, utilizing the distributed parameter element method and taking into account the constraint conditions of the concentrated parameters, a superposition calculation method of RP in the reflux system is proposed. Finally, using Guangzhou Metro as an example, the simulation of different insulation states in long and local areas of URT is carried out. Results show that the RP amplitude decreases while the stray current amplitude increases when the insulation is degraded. At the same time, when the insulation in the local area degrades, the RP at the far end increases.http://dx.doi.org/10.1049/2024/5069484 |
| spellingShingle | Ziyuan Kang Guifu Du Yaoda Xia Qiaoyue Li Guilu Zhang Xin Guo Weiguo Huang Zhongkui Zhu Dynamic Distribution of Rail Potential with Regional Insulation Alteration in Multi-Train Urban Rail Transit IET Electrical Systems in Transportation |
| title | Dynamic Distribution of Rail Potential with Regional Insulation Alteration in Multi-Train Urban Rail Transit |
| title_full | Dynamic Distribution of Rail Potential with Regional Insulation Alteration in Multi-Train Urban Rail Transit |
| title_fullStr | Dynamic Distribution of Rail Potential with Regional Insulation Alteration in Multi-Train Urban Rail Transit |
| title_full_unstemmed | Dynamic Distribution of Rail Potential with Regional Insulation Alteration in Multi-Train Urban Rail Transit |
| title_short | Dynamic Distribution of Rail Potential with Regional Insulation Alteration in Multi-Train Urban Rail Transit |
| title_sort | dynamic distribution of rail potential with regional insulation alteration in multi train urban rail transit |
| url | http://dx.doi.org/10.1049/2024/5069484 |
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