孟恒信;梁建伟;薛磊;周国华;王志刚;武国亮;白瑞;张悦;王小琪;于嘉;

• 1:山西省电力公司电力科学研究院
• 2:山西省电力公司
• 3:长治电力公司
• 4:华北电力大学国际教育学院

摘要(Abstract)：

为研究山西500 kV长久三回线路电流不平衡的原因,优化改造方案,使用PSCAD电磁暂态程序输电线路结构模型进行了不同导线排列方式的仿真研究,推荐了最优改造方案,实施改造后效果良好。通过仿真研究及改造过程发现,对于不换位同塔双回线路,在36种排列方式中6种逆相序排列方式电流不平衡度最小,且6种逆相序排列方式电流不平衡度基本相同,但对于2回不换位同塔双回线和一回不完全换位单回线路并列运行的情况,由于受单回线路的影响,6种逆相序改造方案差异较大,有最优方案可选。

关键词(KeyWords)： 三相电流不平衡;不换位线路;结构参数;1000kV;保护启动

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 孟恒信;梁建伟;薛磊;周国华;王志刚;武国亮;白瑞;张悦;王小琪;于嘉;

Email:

DOI: 10.13335/j.1000-3673.pst.2013.03.023

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