摘要
以滚球法为基础,阐述了单支避雷针、双针等高、三针不等高保护范围计算的数学模型;针对模块化变电布置灵活性,提出防雷设计中的关键点,简化了变电站防直击雷设计过程;最后将滚球法应用到35 kV模块化变电站防直击雷设计中,弥补了模块化变电站布置的自由性可能带来的防雷安全漏洞。
This paper described the protection zone calculation mathematical models of single lightning rod,double needle contour,three stitches ranging from high based on the rolling sphere method,aimed at dealing with the flexible disposition of modular substations,this paper presented the key point in lightning protection design,simplified the design procedure. Finally the paper applied the method to lightning-protection design for 35 kV modular substation,made up for the security vulnerabilities from the freedom of modular substations＇ arrangement.
出处
《贵州电力技术》
2016年第3期51-54,共4页
Guizhou Electric Power Technology
关键词
滚球法
模块化变电站
关键点
防雷设计
rolling sphere method
modular substation
key point
lightning protection design
