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风速对高压输电线电晕放电电流的影响研究 被引量:2

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摘要 风作为一种常见的自然现象,当其达到一定大小时,会严重影响高压输电线路的电晕放电。从电晕放电时粒子所受力的角度出发研究风速对电晕放电的影响,将带电粒子的受力划分为电场所产生的力与风所产生的力之和。根据气体放电理论,推导出电晕放电点附近,某一单位体积单元内带电粒子的六种变化,并通过研究电晕放电发生时单位体积内粒子数目的增减,计算电晕放电电流的微观表达式。从该表达式的计算过程中可以发现,电晕放电受大气气压、环境温度和风速等多种因索制约。通过电晕放电电流的微观公式.宏观表达式以及电晕放电电流的测试实验,得到风速的大小影响电晕放电电流的大小,风速越大电晕放电电流越大。
作者 王雷 王平平
出处 《电气应用》 2019年第1期42-47,共6页 Electrotechnical Application
基金 国家自然科学基金资助项目(51777213)
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