Generation mechanism and influencing factors of transient overvoltage on ultra high-voltage direct current transmission
The transient overvoltage caused by faults in ultra-high-voltage direct current (UHVDC) transmission lines and alternating current (AC) systems can adversely affect system safety and stability. This study theoretically analyzes the transient overvoltage generation mechanism caused by DC single-pole...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2025-02-01
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| Series: | Frontiers in Energy Research |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fenrg.2025.1461365/full |
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| author | Weiwei Yao Weiwei Yao Jie Zhao Jie Zhao Jinqiu Dou Jinqiu Dou Youhan Deng Youhan Deng Yushu Li Yushu Li Yilin Liang Yilin Liang Jing Chen Jing Chen |
| author_facet | Weiwei Yao Weiwei Yao Jie Zhao Jie Zhao Jinqiu Dou Jinqiu Dou Youhan Deng Youhan Deng Yushu Li Yushu Li Yilin Liang Yilin Liang Jing Chen Jing Chen |
| author_sort | Weiwei Yao |
| collection | DOAJ |
| description | The transient overvoltage caused by faults in ultra-high-voltage direct current (UHVDC) transmission lines and alternating current (AC) systems can adversely affect system safety and stability. This study theoretically analyzes the transient overvoltage generation mechanism caused by DC single-pole ground faults and typical fault conditions in two different cases by combining the DC line and AC system of the transmitting side. Considering the different generation mechanisms of the two transient overvoltages, the main factors affecting transient overvoltages were determined to be the DC line ground fault location, DC filter main capacitance, AC system short-circuit ratio, and DC transmission power. Finally, through a simulation of UHVDC transmission engineering, the relationship between various influencing factors and overvoltage was obtained, which can provide guidance in transmission engineering UHVDC design. |
| format | Article |
| id | doaj-art-b0706c07d92d40b28387c8fab46c0ccf |
| institution | DOAJ |
| issn | 2296-598X |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Energy Research |
| spelling | doaj-art-b0706c07d92d40b28387c8fab46c0ccf2025-08-20T02:43:16ZengFrontiers Media S.A.Frontiers in Energy Research2296-598X2025-02-011310.3389/fenrg.2025.14613651461365Generation mechanism and influencing factors of transient overvoltage on ultra high-voltage direct current transmissionWeiwei Yao0Weiwei Yao1Jie Zhao2Jie Zhao3Jinqiu Dou4Jinqiu Dou5Youhan Deng6Youhan Deng7Yushu Li8Yushu Li9Yilin Liang10Yilin Liang11Jing Chen12Jing Chen13Laboratory of Hydro-Wind-Solar Multi-Energy Control Coordination, Wuhan, ChinaScience and Technology Research Institute, China Three Gorges Corporation, Beijing, ChinaLaboratory of Hydro-Wind-Solar Multi-Energy Control Coordination, Wuhan, ChinaHubei Engineering and Technology Research Center for AC/DC Intelligent Distribution Network, School of Electrical Engineering and Automation, Wuhan University, Wuhan University, Wuhan, ChinaLaboratory of Hydro-Wind-Solar Multi-Energy Control Coordination, Wuhan, ChinaHubei Engineering and Technology Research Center for AC/DC Intelligent Distribution Network, School of Electrical Engineering and Automation, Wuhan University, Wuhan University, Wuhan, ChinaLaboratory of Hydro-Wind-Solar Multi-Energy Control Coordination, Wuhan, ChinaScience and Technology Research Institute, China Three Gorges Corporation, Beijing, ChinaLaboratory of Hydro-Wind-Solar Multi-Energy Control Coordination, Wuhan, ChinaScience and Technology Research Institute, China Three Gorges Corporation, Beijing, ChinaLaboratory of Hydro-Wind-Solar Multi-Energy Control Coordination, Wuhan, ChinaHubei Engineering and Technology Research Center for AC/DC Intelligent Distribution Network, School of Electrical Engineering and Automation, Wuhan University, Wuhan University, Wuhan, ChinaLaboratory of Hydro-Wind-Solar Multi-Energy Control Coordination, Wuhan, ChinaScience and Technology Research Institute, China Three Gorges Corporation, Beijing, ChinaThe transient overvoltage caused by faults in ultra-high-voltage direct current (UHVDC) transmission lines and alternating current (AC) systems can adversely affect system safety and stability. This study theoretically analyzes the transient overvoltage generation mechanism caused by DC single-pole ground faults and typical fault conditions in two different cases by combining the DC line and AC system of the transmitting side. Considering the different generation mechanisms of the two transient overvoltages, the main factors affecting transient overvoltages were determined to be the DC line ground fault location, DC filter main capacitance, AC system short-circuit ratio, and DC transmission power. Finally, through a simulation of UHVDC transmission engineering, the relationship between various influencing factors and overvoltage was obtained, which can provide guidance in transmission engineering UHVDC design.https://www.frontiersin.org/articles/10.3389/fenrg.2025.1461365/fullUHVDCtransient overvoltagemechanism analysisshort-circuit ratiofault conditions |
| spellingShingle | Weiwei Yao Weiwei Yao Jie Zhao Jie Zhao Jinqiu Dou Jinqiu Dou Youhan Deng Youhan Deng Yushu Li Yushu Li Yilin Liang Yilin Liang Jing Chen Jing Chen Generation mechanism and influencing factors of transient overvoltage on ultra high-voltage direct current transmission Frontiers in Energy Research UHVDC transient overvoltage mechanism analysis short-circuit ratio fault conditions |
| title | Generation mechanism and influencing factors of transient overvoltage on ultra high-voltage direct current transmission |
| title_full | Generation mechanism and influencing factors of transient overvoltage on ultra high-voltage direct current transmission |
| title_fullStr | Generation mechanism and influencing factors of transient overvoltage on ultra high-voltage direct current transmission |
| title_full_unstemmed | Generation mechanism and influencing factors of transient overvoltage on ultra high-voltage direct current transmission |
| title_short | Generation mechanism and influencing factors of transient overvoltage on ultra high-voltage direct current transmission |
| title_sort | generation mechanism and influencing factors of transient overvoltage on ultra high voltage direct current transmission |
| topic | UHVDC transient overvoltage mechanism analysis short-circuit ratio fault conditions |
| url | https://www.frontiersin.org/articles/10.3389/fenrg.2025.1461365/full |
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