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电网技术  2014 

雅安—武汉1000kV输电线路运行特性影响下重庆电网运行与建设分析

DOI: 10.13335/j.1000-3673.pst.2014.08.016, PP. 2121-2126

Keywords: 特高压,重庆电网,稳定性分析

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Abstract:

特高压电网是坚强智能电网的基础。在分析1000kV输电系统数学模型及运行特性的基础上,搭建拟建雅安—武汉1000kV交流特高压输变电工程仿真模型,以重庆电网为研究背景,分别在特高压交流工程投入运行和不投入运行2种情况下仿真分析重庆电网不同运行方式、不同电源结构时的运行稳定性情况。结果表明,拟建雅安—武汉1000kV特高压交流输变电工程能实现川西水电的跨区域、远距离、大容量、低损耗、高效率传输,有效缓解川西弃水现象,提高川渝间电力交换能力,提升重庆电网运行的安全稳定性,然而为进一步发挥特高压输电的优越性需对现有网架进行升级改造。

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