Application of ±800 kV DC Line Arrester to Jin-Su Transmission Line

CAO Wei; WAN Shuai; GU Shanqiang; CHEN Jiahong; DU Xuesong; LI Boya

doi:10.13296/j.1001-1609.hva.2020.05.031

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Application of ±800 kV DC Line Arrester to Jin-Su Transmission Line

更新时间：2025-04-26

- Application of ±800 kV DC Line Arrester to Jin-Su Transmission Line
- High VoltageApparatus Vol. 56, Issue 5, Pages: 209-215(2020)
- 作者机构：
  
  1. 国网电力科学研究院有限公司
  2. 国网电力科学研究院武汉南瑞有限责任公司
  3. 电网雷击风险预防湖北省重点实验室
  4. 国网浙江省电力有限公司检修分公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.05.031
  CLC： TM862
- Published：2020
- 稿件说明：
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[1]曹伟,万帅,谷山强,陈家宏,杜雪松,李博亚.±800 kV直流线路避雷器在锦苏线上的应用[J].高压电器,2020,56(05):209-215.

CAO Wei, WAN Shuai, GU Shanqiang, et al. Application of ±800 kV DC Line Arrester to Jin-Su Transmission Line[J]. High voltageapparatus, 2020, 56(5): 209-215.
[1]曹伟,万帅,谷山强,陈家宏,杜雪松,李博亚.±800 kV直流线路避雷器在锦苏线上的应用[J].高压电器,2020,56(05):209-215. DOI： 10.13296/j.1001-1609.hva.2020.05.031.

CAO Wei, WAN Shuai, GU Shanqiang, et al. Application of ±800 kV DC Line Arrester to Jin-Su Transmission Line[J]. High voltageapparatus, 2020, 56(5): 209-215. DOI： 10.13296/j.1001-1609.hva.2020.05.031.

摘要

为了提高±800 kV特高压直流输电线路抵御雷害风险能力

研究了±800 kV直流线路避雷器安装选点、基本参数、安装方案和工程应用。文中以±800 kV锦苏线浙江段为工程背景

对其线路走廊落雷情况进行了分析及差异化防雷评估

提出了安装选点原则

开展了避雷器的关键技术参数的理论计算及试验研究

分析了线路避雷器的安装要求

根据安装选点原则配置了避雷器

设计了一种复合绝缘子斜拉式安装方法

成功实施了±800 kV直流线路避雷器的大规模工程应用

对±800 kV直流线路避雷器在其余±800 kV直流输电线路的推广应用具有重要的实践和借鉴意义。

Abstract

To raise the lightning withstand level of ±800 kV UHVDC transmission line

the ±800 kV DC line arrester was analyzed in terms of installation point

basic parameters

installation method

and engineering application.The Zhejiang section of ±800 kV Jin-Su transmission line project was taken as an example to analyze the lightning activity along the line and the differentiated lightning protection assessment

and to put forward installation point principle.Theoretical calculation and test on the key technical parameters were conducted to analyze the installation requirements of the line arrester.According to the selection principle of installation points

the ±800 kV DC line arresters were deployed.A new tilted installation method of composite insulator was designed.As a result

the large-scale engineering application of ±800 kV DC line arresters was successfully implemented.This work may provide reference for popularization and application of the ±800 kV DC line arrester to other ±800 kV DC transmission lines.

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Related Institution

Xi’an University of Science and Technology

Wuhan NARI Limited Company,State Grid Electric Power Research Institute

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Department of Electrical Engineering,Tsinghua University

State Grid Corporation of China

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