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高海拔特高压线路绝缘子的直流污闪特性
引用本文:张福增,李锐海,王国利,张楚岩. 高海拔特高压线路绝缘子的直流污闪特性[J]. 南方电网技术, 2011, 5(1): 29-32
作者姓名:张福增  李锐海  王国利  张楚岩
作者单位:1. 南方电网科学研究院,广州,510080
2. 清华大学,深圳研究生院,广东,深圳,518055
摘    要:为给高海拔地区特高压直流输电线路设计提供依据,在特高压工程技术(昆明)国家工程实验室(海拔2 100 m)进行了特高压直流输电线路绝缘子直流污闪特性的研究。选择瓷、玻璃和复合绝缘子作为研究对象,通过比较这三类绝缘子直流污闪特性得出如下结论:复合绝缘子的直流污闪电压明显高于瓷和玻璃绝缘子,采用复合绝缘子可以达到有效地缩短特高压输电线路绝缘子长度和节约建设成本的目的。

关 键 词:特高压  直流  绝缘子  高海拔  污闪特性

The DC Pollution Flashover Characteristics of UHV Transmission Line Insulators at High Altitude
ZHANG Fuzeng,LI Ruihai,WANG Guoli and ZHANG Chuyan. The DC Pollution Flashover Characteristics of UHV Transmission Line Insulators at High Altitude[J]. Southern Power System Technology, 2011, 5(1): 29-32
Authors:ZHANG Fuzeng  LI Ruihai  WANG Guoli  ZHANG Chuyan
Affiliation:Electric Power Research Institute, CSG, Guangzhou 510080, China;Electric Power Research Institute, CSG, Guangzhou 510080, China;Electric Power Research Institute, CSG, Guangzhou 510080, China;Graduate School in Shenzhen, Tsinghua University, Shenzhen, Guangdong 518055, China
Abstract:In order to provide a basis for the design of UHVDC transmission lines,a research of the DC polution flashover characteristics of UHV transmission line insulators is carried out in the National Engineering Laboratory(at the altitude of 2 100 m) for UHV Engineering Technology,Kunming,China.Taking three kinds of insulators(porcelain,glass and composite insulator) as objects,this paper compares their flashover characteristics,and reaches a conclusion that the polution flashover voltage of composite insulator i...
Keywords:UHV   DC   insulator   high altitude   flashover characteristic
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