特高压交流变电站母线短路电流的影响因素分析

doi:10.11930/j.issn.1004-9649.201804062

中国电力 ›› 2019, Vol. 52 ›› Issue (4): 66-73.DOI: 10.11930/j.issn.1004-9649.201804062

特高压交流变电站母线短路电流的影响因素分析

唐金锐¹, 杨凡奇¹, 侯婷婷², 黄娟娟³, 邵冲³, 吴小珊⁴

1. 武汉理工大学自动化学院, 湖北武汉 430070;
2. 国网湖北省电力有限公司经济技术研究院, 湖北武汉 430077;
3. 中国电力工程顾问集团中南电力设计院有限公司, 湖北武汉 430071;
4. 南方电网科学研究院有限责任公司, 广东广州 510080

收稿日期:2018-04-16 修回日期:2018-08-08 出版日期:2019-04-05 发布日期:2019-04-16
作者简介:唐金锐(1986-),男,博士,副教授,从事配电网继电保护和自动装置、配电自动化及信息化、交直流电网规划分析研究,E-mail:tangjinrui001@126.com;杨凡奇(1995-),男,硕士研究生,从事电力系统规划分析研究,E-mail:771235273@qq.com
基金资助:
国家自然科学基金资助项目（51607130）。

Affecting Factors of Short-Circuit Currents of Busbar at UHV AC Substation

TANG Jinrui¹, YANG Fanqi¹, HOU Tingting², HUANG Juanjuan³, SHAO Chong³, WU Xiaoshan⁴

1. School of Automation, Wuhan University of Technology, Wuhan 430070, China;
2. Economics & Technology Research Institute, State Grid Hubei Electric Power Co., Ltd., Wuhan 430077, China;
3. Central Southern China Electric Power Design Institute Co., Ltd. of CPECC, Wuhan 430071, China;
4. Research Institute Co., Ltd. of China Southern Power Grid, Guangzhou 510080, China

Received:2018-04-16 Revised:2018-08-08 Online:2019-04-05 Published:2019-04-16
Supported by:
This work is supported by the National Natural Science Foundation of China (No.51607130).

摘要/Abstract

摘要： 从特高压交流变电站高、中压侧母线等值自阻抗的组成要素出发，分析确定了特高压变电站母线短路电流的影响因素，给定了特高压变电站1 000 kV侧交流电网结构、特高压交流变电站主变压器以及500 kV侧交流电网结构对高压侧和中压侧母线短路电流影响的比重关系。分析结果表明，特高压交流变电站高压侧母线的短路电流主要受1 000 kV侧交流电网结构的影响，而中压侧母线短路电流主要受500 kV侧电网结构和特高压站主变压器的影响。研究结论可为特高压交流站近区电网限流措施的优化提供理论支撑。

关键词: 特高压, 交流变电站, 短路电流, 自阻抗, 等值电路

Abstract: The affecting factors of short-circuit currents of 1 000 kV and 500 kV bus-bar at UHV AC substation are analyzed based on the components of corresponding self-impedance. And then the proportions of all factors to the short-circuit currents at 1 000 kV bus-bar and 500 kV bus-bar are proposed and determined, including the configuration of 1 000 kV power grid, the main transformer and the configuration of 500 kV power grid. The results indicate that the short-circuit currents of 1 000 kV bus-bar are greatly affected by the configuration of 1 000 kV power grid. The 500 kV power grid and the main transformer have a dominant influence on the short-circuit currents of 500 kV bus-bar at UHV AC substation. The results can provide theoretical support and decision-making reference for the optimization of short-circuit limit.

Key words: UHV, AC substation, short-circuit current, self-impedance, equivalent circuit

中图分类号:

TM713

唐金锐, 杨凡奇, 侯婷婷, 黄娟娟, 邵冲, 吴小珊. 特高压交流变电站母线短路电流的影响因素分析[J]. 中国电力, 2019, 52(4): 66-73.

TANG Jinrui, YANG Fanqi, HOU Tingting, HUANG Juanjuan, SHAO Chong, WU Xiaoshan. Affecting Factors of Short-Circuit Currents of Busbar at UHV AC Substation[J]. Electric Power, 2019, 52(4): 66-73.

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https://www.electricpower.com.cn/CN/Y2019/V52/I4/66

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特高压交流变电站母线短路电流的影响因素分析

Affecting Factors of Short-Circuit Currents of Busbar at UHV AC Substation

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特高压交流变电站母线短路电流的影响因素分析

Affecting Factors of Short-Circuit Currents of Busbar at UHV AC Substation

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