...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Generation, Transmission & Distribution, IET >AC pollution flashover performance and flashover process of glass insulators at high altitude site
【24h】

AC pollution flashover performance and flashover process of glass insulators at high altitude site

机译：高海拔现场玻璃绝缘子的交流污染闪络性能及闪络过程

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The ac pollution flashover performance and flashover process of LXHY3-I6O insulators was investigated at a high altitude site (altitude of 1400m) in this paper. The solid layer method was used, and even-rising voltage method was adopted. According to the test results, the average pollution flashover voltage (Uav) decreased with the increase of pollution, and there was no obvious relationship between the exponent characterising the influence of pollution and the length of the insulator strings. The relationship between Uav and the length of the insulator strings was nearly linear. Subsequently, the effect of the pollution and the length of insulator strings on the critical flashover arc trajectory were analysed. It concluded that the critical flashover distance (lc) decreased with the increase of pollution, and it was shorter than the leakage distance (L0), whereas there was no significant relationship between lc/L0 and the length of insulator strings. The arc appearance at the high altitude site was very irregular with obvious bending and rocking; the local arcs deviated from the surface of the polluted insulators even more seriously and the diameter was thicker than those obtained in the normal environment. Moreover, the brightness and diameter of local arcs was related to pollution.
机译：本文研究了LXHY 3 -I6O绝缘子在高海拔地区（海拔1400m）的交流污染闪络性能和闪络过程。使用固体层法，并且采用均匀上升电压法。根据测试结果，平均污染闪络电压（U av ）随着污染的增加而降低，并且表征污染影响的指数与绝缘子串的长度之间没有明显的关系。 。 U av 与绝缘子串长度之间的关系几乎是线性的。随后，分析了污染和绝缘子串长度对临界闪络电弧轨迹的影响。结论表明，临界闪络距离（l c ）随着污染的增加而减小，并且比泄漏距离（L 0 ）短，而没有显着性l c / L 0 与绝缘子串长度之间的关系。高海拔地区的弧形外观非常不规则，有明显的弯曲和摇摆。与正常环境相比，局部电弧甚至更严重地从受污染的绝缘子表面偏离，并且直径更大。此外，局部电弧的亮度和直径与污染有关。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号