特高压接入京津冀北500 kV电网短路电流问题及限流措施研究
随着主干网架不断加强,尤其是特高压变电站的接入,京津及冀北电网500 k V短路电流日益攀升。针对特高压变电站接入引起的500 k V短路电流超标问题,采用短路点自阻抗模型分析特高压站及周边500 k V站的500 k V短路电流构成要素及超标机理,进而根据影响短路电流的主要因素选取有效的限流措施。最后通过对实际电网的短路电流计算分析进行了论证。...
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| Published in | 电力系统保护与控制 Vol. 45; no. 9; pp. 133 - 137 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
华北电力设计院工程有限公司,北京,100120%中国能建集团装备有限公司,北京,100044
2017
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-3415 |
| DOI | 10.7667/PSPC160631 |
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| Abstract | 随着主干网架不断加强,尤其是特高压变电站的接入,京津及冀北电网500 k V短路电流日益攀升。针对特高压变电站接入引起的500 k V短路电流超标问题,采用短路点自阻抗模型分析特高压站及周边500 k V站的500 k V短路电流构成要素及超标机理,进而根据影响短路电流的主要因素选取有效的限流措施。最后通过对实际电网的短路电流计算分析进行了论证。 |
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| AbstractList | 随着主干网架不断加强,尤其是特高压变电站的接入,京津及冀北电网500 k V短路电流日益攀升。针对特高压变电站接入引起的500 k V短路电流超标问题,采用短路点自阻抗模型分析特高压站及周边500 k V站的500 k V短路电流构成要素及超标机理,进而根据影响短路电流的主要因素选取有效的限流措施。最后通过对实际电网的短路电流计算分析进行了论证。 随着主干网架不断加强,尤其是特高压变电站的接入,京津及冀北电网500 kV短路电流日益攀升.针对特高压变电站接入引起的500 kV短路电流超标问题,采用短路点自阻抗模型分析特高压站及周边500 kV站的500 kV短路电流构成要素及超标机理,进而根据影响短路电流的主要因素选取有效的限流措施.最后通过对实际电网的短路电流计算分析进行了论证. |
| Abstract_FL | Along with the development of network,especially the connecting of UHV substations,the short-circuit current in 500 kV network increases prominently in Beijing-Tianjin and Northem Hebei Area.In this paper,short-circuit current problems of 500 kV network caused by connection of UHV substation in Beijing-Tianjin and Northern Hebei Area are studied.The self-impedance models are used to analyze the short-circuit current's constructions and mechanism in 1000 kV and 500 kV substations.On the basis of analyzing the main affecting factors for short-circuit current,the suitable limiting measures are proposed.Finally the conclusions are proved by the calculation and analysis in actual power system. |
| Author | 艾琳 冯艳虹 陈为化 张道农 郑兰 |
| AuthorAffiliation | 华北电力设计院工程有限公司;中国能建集团装备有限公司 |
| AuthorAffiliation_xml | – name: 华北电力设计院工程有限公司,北京,100120%中国能建集团装备有限公司,北京,100044 |
| Author_FL | FENG Yanhong ZHENG Lan AI Lin CHEN Weihua ZHANG Daonong |
| Author_FL_xml | – sequence: 1 fullname: AI Lin – sequence: 2 fullname: FENG Yanhong – sequence: 3 fullname: CHEN Weihua – sequence: 4 fullname: ZHANG Daonong – sequence: 5 fullname: ZHENG Lan |
| Author_xml | – sequence: 1 fullname: 艾琳 冯艳虹 陈为化 张道农 郑兰 |
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| Keywords | connection to network 接入电网 短路电流 特高压 限流措施 short-circuit current limiting measure ultra-high voltage |
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| Publisher | 华北电力设计院工程有限公司,北京,100120%中国能建集团装备有限公司,北京,100044 |
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| Snippet | 随着主干网架不断加强,尤其是特高压变电站的接入,京津及冀北电网500 k V短路电流日益攀升。针对特高压变电站接入引起的500 k V短路电流超标问题,采用短路点自阻抗模型分析特高压站及周边500 k V站的500 k... 随着主干网架不断加强,尤其是特高压变电站的接入,京津及冀北电网500 kV短路电流日益攀升.针对特高压变电站接入引起的500 kV短路电流超标问题,采用短路点自阻抗模型分析特高压站及周边500 kV站的500... |
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| SubjectTerms | 特高压;短路电流;限流措施;接入电网 |
| Title | 特高压接入京津冀北500 kV电网短路电流问题及限流措施研究 |
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