Commutation failure of Yun-Guang UHVDC transmission system running in negative pole state and its control measures
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作者:
Chen, Shilong
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Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650051, ChinaFaculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650051, China
Chen, Shilong
[1
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Shu, Hongchun
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Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650051, ChinaFaculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650051, China
Shu, Hongchun
[1
]
Zhen, Ying
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Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650051, ChinaFaculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650051, China
Zhen, Ying
[1
]
机构:
[1] Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650051, China
Computer control systems - Electric power system control - Electric power transmission networks - Outages - UHV power transmission - Electric commutation - Electric grounding - Transmissions - Power transmission;
D O I:
10.3969/j.issn.1006-6047.2013.06.024
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摘要:
The causes of commutation failure in UHVDC transmission system are analysed, its criterion is summarized and the control measures against the consequential commutation failure are studied. The simulation model of Yun-Guang ± 800 kV UHVDC transmission system with its actual parameters is built on PSCAD/EMTDC. The simulative results show that, the decrease of transformer ratio will not induce the commutation failure of inverter while its increase up to 3.52 will do; the commutation failure is not sensitive to the fault close angle for symmetrical three-phase grounding fault while it is sensitive to the fault close angle for two-phase short circuit fault and single-phase grounding fault, and the commutation failure occurs easily when the fault close angle is 90° or 270°; the grounding resistance and fault duration time have great influence on commutation failure.
机构:
Guangdong Power Grid Incorp, Elect Power Dispatch & Commun Ctr, Guangzhou, Guangdong, Peoples R ChinaGuangdong Power Grid Incorp, Elect Power Dispatch & Commun Ctr, Guangzhou, Guangdong, Peoples R China
Yang, Yinguo
Yang, Xiongping
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Guangdong Power Grid Incorp, Elect Power Dispatch & Commun Ctr, Guangzhou, Guangdong, Peoples R ChinaGuangdong Power Grid Incorp, Elect Power Dispatch & Commun Ctr, Guangzhou, Guangdong, Peoples R China
Yang, Xiongping
Qian, Feng
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Guangdong Power Grid Incorp, Elect Power Dispatch & Commun Ctr, Guangzhou, Guangdong, Peoples R ChinaGuangdong Power Grid Incorp, Elect Power Dispatch & Commun Ctr, Guangzhou, Guangdong, Peoples R China
Qian, Feng
Li, Li
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Guangdong Power Grid Incorp, Elect Power Dispatch & Commun Ctr, Guangzhou, Guangdong, Peoples R ChinaGuangdong Power Grid Incorp, Elect Power Dispatch & Commun Ctr, Guangzhou, Guangdong, Peoples R China
Li, Li
Wu, Guobing
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Guangdong Power Grid Incorp, Elect Power Dispatch & Commun Ctr, Guangzhou, Guangdong, Peoples R ChinaGuangdong Power Grid Incorp, Elect Power Dispatch & Commun Ctr, Guangzhou, Guangdong, Peoples R China
Wu, Guobing
Lin, Shunjiang
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机构:
South China Univ Technol, Sch Elect Power Engn, Guangzhou, Guangdong, Peoples R ChinaGuangdong Power Grid Incorp, Elect Power Dispatch & Commun Ctr, Guangzhou, Guangdong, Peoples R China
Lin, Shunjiang
Liu, Mingbo
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South China Univ Technol, Sch Elect Power Engn, Guangzhou, Guangdong, Peoples R ChinaGuangdong Power Grid Incorp, Elect Power Dispatch & Commun Ctr, Guangzhou, Guangdong, Peoples R China
Liu, Mingbo
2010 IEEE PES CONFERENCE ON INNOVATIVE SMART GRID TECHNOLOGIES EUROPE (ISGT EUROPE),
2010,