烏昌地區短路電流分析及限制措施研究
張慧娥1，劉大貴2，秦艷輝2
1 新疆電力設計院，新疆 烏魯木齊 830011；2 新疆電力科學研究院，新疆 烏魯木齊 830001
摘 要：隨著電網的發展和大容量機組的接入，烏昌地區220kV系統短路容量已成為影響電網安全穩定運行的主要問題。在采用高阻抗變壓器、分層分區等限流措施基礎上，根據不同階段的網架特點，進一步采取開斷線路、加裝串聯電抗器、更換開關等方法來有效限制短路電流水平，并結合該地區自身特點給出了具體的實施方案。
關鍵詞：短路電流；限制措施；開斷線路；串聯電抗器
中圖分類號：TM713 文獻標識碼：B 文章編號：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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