特高压瓷套避雷器标准化抗震性能优化  

Optimization Research on Seismic Safety Performance of UHV Porcelain Bushing Lightning Arrester Standardization

作　　者：刘振林[1] 卢智成[1] 张搏宇[1] 孙宇晗 林森[1] 

机构地区：[1]中国电力科学研究院,北京市海淀区100192

出　　处：《电网技术》2016年第5期1570-1575,共6页Power System Technology

基　　金：国家电网公司科技项目(特高压换流站支柱类电气设备及换流变回路系统抗震性能优化技术研究)~~

摘　　要：特高压瓷套避雷器是变电站中重要的电气设备,对其基于抗震性能的标准化研究,对于提高设备抵御地震灾害能力与保障工程建设周期具有重要意义。在满足电气设备绝缘要求与厂家实际生产能力的基础上,提出了特高压瓷套避雷器抗震优化设计原则,并采用理论分析方法进行了多方案数值仿真计算,提出了较为合理的瓷套结构参数,最后针对国内主要特高压避雷器厂家产品进行了地震模拟振动台试验,验证了试验设备均可满足地震动峰值加速度0.3g抗震设防要求。研究成果确定了特高压避雷器瓷套标准化结构参数,提高了特高压避雷器抗震能力,也为其他特高压电气设备抗震优化研究提供了技术方向,最终为特高压变电站工程建设以及抗震安全性提供了有力保障。Standardization research based on seismic performance of ultra high voltage（UHV） lightning arrester,an important electrical device in substation,is of great significance to improve its seismic protection ability and guarantee project construction period.Optimum design principle of earthquake resistance of the arrester is put forward,and numerical simulation is used to analyze and compare multiple schemes with theoretical analytical method.Then more reasonable structure parameters of porcelain bushing are confirmed.Finally,tests of domestic manufactured arresters on earthquake simulating vibration table verified that the test facility met seismic fortification requirements of ground motion peak acceleration 0.3g（PGA=0.3g）.Research results confirmed standardized structure parameters and improved seismic protection capacity of UHV lightning arrester.They also provide technological direction for seismic protection optimization of other electrical equipment and strong safeguard for seismic safety of UHV substation.

关 键 词：特高压避雷器 瓷套 标准化 抗震性能 数值仿真 地震模拟振动台 

分 类 号：TM86[电气工程—高电压与绝缘技术]