乌昌地区短路电流分析及限制措施研究 

张慧娥1，刘大贵2，秦艳辉2

1 新疆电力设计院，新疆 乌鲁木齐 830011；2 新疆电力科学研究院，新疆 乌鲁木齐 830001 
 

摘 要：随着电网的发展和大容量机组的接入，乌昌地区220kV系统短路容量已成为影响电网安全稳定运行的主要问题。在采用高阻抗变压器、分层分区等限流措施基础上，根据不同阶段的网架特点，进一步采取开断线路、加装串联电抗器、更换开关等方法来有效限制短路电流水平，并结合该地区自身特点给出了具体的实施方案。
关键词：短路电流；限制措施；开断线路；串联电抗器
中图分类号：TM713 文献标识码：B 文章编号：1007-3175(2013)12-0038-03

Short Circuit Current Analysis and Restrictive Measure Research in Urumuqi-Changji Area 

ZHANG Hui-e1, LIU Da-gui2, QIN Yan-hui2 
1 Xinjiang Electric Power Design Institute, Urumuqi 830011, China; 
2 Xinjiang Electric Power Science and Research Institute, Urumuqi 830001, China 
 

Abstract: Following development of power grid and large capacity machine units connected-in Urmuqi-Changji area, 220kV system short circuit capacity has become a main problem of impact on power grid safety and stability of operation. On the basis of adopting high-impedance transformers, layer making and zone making etc current restrictive measures, according to grid frame characteristics of different stages, the methods including breaking lines, installing series reactors, changing switchgears etc. were adopted further to effectively restrict short circuit current level. Combined with the area itself features, this paper gave the concrete implementation plan . 

Key words: short circuit current; restrictive measure; breaking line; series reactor

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