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出 处:《华中电力》2010年第1期5-9,共5页Central China Electric Power
摘 要:当前,三峡近区电网存在两个亟待解决的问题,一是斗笠-江陵断面枯水期受热稳定限制,制约跨省(区)资源优化配置,二是三峡近区短路电流水平接近超标,且有不断加重趋势。针对三峡近区电网的斗江断面潮流输送能力不足和短路电流偏高问题进行深入研究,分析其问题产生的根源,并结合电网发展提出逐年解决措施。There still exist two problems requiring prompt solution currently in the near Three Gorges region power grid.One is restricted by thermal stability in the low water period of Douli-Jiangling transmission lines' s sections,which hinders the resource optimal allocation in trans-provincial area.The other is the short circuit current of power grid near Three Gorges region approaching exceeding the standard and getting worse.The paper takes an intensive study in the problems of the deficient power flow transmission capacity of Douli-Jiangling transmission lines' s sections and the higher short circuit current of the power grid near Three Gorges region,analyzes the reason caused the above-mentioned problems,and proposes year by year resolution to the above-mentioned problems taking account of the development of the power grid.
关 键 词:三峡近区电网 电力交换 特高压电网 短路电流 限流措施
分 类 号:TM711[电气工程—电力系统及自动化]
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