中国电机工程学报2012,Vol.32Issue(10):1-12,12.
基于长间隙放电研究雷电屏蔽问题的进展
Review of the Lightning Shielding Against Direct Lightning Strokes Based on Laboratory Long Air Gap Discharges
摘要
Abstract
It is one of the most effective ways to use laboratory long air gap discharges for investigating the fundamental process involved in the lightning attachment. The research development on the lightning striking distance, the lightning simulation test and the positive upward connecting leader process by using laboratory long sparks were reviewed in this paper. According to the discharge observation results with the gap length up to 6m carried out in this paper, it is acceptable by using electric geometric model (EGM) to estimate the lightning shielding performance of small scale grounded objects, the existing lightning shielding simulation test does not take into account of the influence of upward connecting leaders, and the early streamer emission (ESE) device does not have the specified performance as it claimed. The lightning shielding performance investigation of largescale objects should focus on the inception and propagation of the positive upward leader, which aims to develop the simulation test methods of positive upward leader by using long sparks and to modify the physical simulation models.关键词
雷电屏蔽/长间隙放电/雷电击距/模拟试验/雷电迎面先导Key words
lightning shielding/long air gap discharge/lightning striking distance/simulation test/lightning upwardleader分类
信息技术与安全科学引用本文复制引用
陈维江,贺恒鑫,钱冠军,陈家宏,何俊佳,谷山强,谢施君,向念文..基于长间隙放电研究雷电屏蔽问题的进展[J].中国电机工程学报,2012,32(10):1-12,12.基金项目
国家自然科学基金项目(50737003). ()