A novel travelling‐wave direction criterion for hybrid multi‐terminal HVDC system
Abstract Fast and accurate fault direction criteria are crucial for efficient protection in hybrid multi‐terminal HVDC transmission systems. The current variation method is commonly used to identify fault direction, but it is affected by fault resistance and distributed capacitance. This paper propo...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2024-12-01
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| Series: | IET Generation, Transmission & Distribution |
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| Online Access: | https://doi.org/10.1049/gtd2.12972 |
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| _version_ | 1850104062980128768 |
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| author | Botong Li Yuqi Li Bin Li Xiaolong Chen Liang Ji Qiteng Hong |
| author_facet | Botong Li Yuqi Li Bin Li Xiaolong Chen Liang Ji Qiteng Hong |
| author_sort | Botong Li |
| collection | DOAJ |
| description | Abstract Fast and accurate fault direction criteria are crucial for efficient protection in hybrid multi‐terminal HVDC transmission systems. The current variation method is commonly used to identify fault direction, but it is affected by fault resistance and distributed capacitance. This paper proposes a new direction criterion based on the backward fault travelling wave, which has stronger resistance to interference from transition resistance and operates at a faster speed than other methods. Additionally, this paper provides the time‐domain expression of the travelling wave after multiple reflections between the fault point and the converter station port, enabling the calculation of the threshold setting for the criterion. The new direction criterion is tested in PSCAD/EMTDC, and simulation results demonstrate that it can accurately identify fault direction and has a strong ability to withstand transition resistance. |
| format | Article |
| id | doaj-art-77d142e45d7544c7a4c8d993766b2195 |
| institution | DOAJ |
| issn | 1751-8687 1751-8695 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Wiley |
| record_format | Article |
| series | IET Generation, Transmission & Distribution |
| spelling | doaj-art-77d142e45d7544c7a4c8d993766b21952025-08-20T02:39:24ZengWileyIET Generation, Transmission & Distribution1751-86871751-86952024-12-0118233765377610.1049/gtd2.12972A novel travelling‐wave direction criterion for hybrid multi‐terminal HVDC systemBotong Li0Yuqi Li1Bin Li2Xiaolong Chen3Liang Ji4Qiteng Hong5Department of Electrical Engineering Tianjin University Tianjin ChinaDepartment of Electrical Engineering Tianjin University Tianjin ChinaDepartment of Electrical Engineering Tianjin University Tianjin ChinaDepartment of Electrical Engineering Tianjin University Tianjin ChinaDepartment of Electrical Power Engineering Shanghai University of Electric Power Shanghai ChinaDepartment of Electronic and Electrical Engineering University of Strathclyde Glasgow UKAbstract Fast and accurate fault direction criteria are crucial for efficient protection in hybrid multi‐terminal HVDC transmission systems. The current variation method is commonly used to identify fault direction, but it is affected by fault resistance and distributed capacitance. This paper proposes a new direction criterion based on the backward fault travelling wave, which has stronger resistance to interference from transition resistance and operates at a faster speed than other methods. Additionally, this paper provides the time‐domain expression of the travelling wave after multiple reflections between the fault point and the converter station port, enabling the calculation of the threshold setting for the criterion. The new direction criterion is tested in PSCAD/EMTDC, and simulation results demonstrate that it can accurately identify fault direction and has a strong ability to withstand transition resistance.https://doi.org/10.1049/gtd2.12972HVDC power transmissionhybrid power systemspower system protection |
| spellingShingle | Botong Li Yuqi Li Bin Li Xiaolong Chen Liang Ji Qiteng Hong A novel travelling‐wave direction criterion for hybrid multi‐terminal HVDC system IET Generation, Transmission & Distribution HVDC power transmission hybrid power systems power system protection |
| title | A novel travelling‐wave direction criterion for hybrid multi‐terminal HVDC system |
| title_full | A novel travelling‐wave direction criterion for hybrid multi‐terminal HVDC system |
| title_fullStr | A novel travelling‐wave direction criterion for hybrid multi‐terminal HVDC system |
| title_full_unstemmed | A novel travelling‐wave direction criterion for hybrid multi‐terminal HVDC system |
| title_short | A novel travelling‐wave direction criterion for hybrid multi‐terminal HVDC system |
| title_sort | novel travelling wave direction criterion for hybrid multi terminal hvdc system |
| topic | HVDC power transmission hybrid power systems power system protection |
| url | https://doi.org/10.1049/gtd2.12972 |
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