全姗姗;谢梁;谷莉莉;曹晶;彭宗仁;陈小海;

• 1:中国电力科学研究院
• 2:西安交通大学电气工程学院
• 3:武汉供电公司

摘要(Abstract)：

1 000 kV特高压交流同塔双回输电线路由于电场间的相互影响,其电晕问题更为突出,根据示范工程开展的同塔双回耐张塔跳线及金具的电场计算结果,需要对跳线及其金具结构进行优化。为获得优化后的跳线及金具电晕放电特性,利用紫外成像仪对笼式和铝管式2类不同结构刚性跳线开展电晕特性试验研究,找出有明显电晕放电的跳线及金具,确定放电位置和电晕起始电压试验值。采用三维有限元方法建立仿真模型,计算场强,分析产生电晕的原因。研究结果不仅验证了电晕特性研究方法的有效性,同时表明优化后的跳线及金具能有效降低电场强度,防晕效果显著。根据研究成果,推荐采用的刚性跳线及配套连接金具满足特高压同塔双回输电线路的运行要求,已应用于示范工程的设计建设中。

关键词(KeyWords)： 特高压;同塔双回;刚性跳线;金具;电晕试验;有限元法;电场计算

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 全姗姗;谢梁;谷莉莉;曹晶;彭宗仁;陈小海;

Email:

DOI: 10.13335/j.1000-3673.pst.2014.03.039

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