苏盛;陈浩;陈晓国;夏云峰;陈海焱;吴怡敏;傅闯;

• 1:清洁能源与智能电网湖南省协同创新中心(长沙理工大学)
• 2:南方电网科学研究院有限责任公司
• 3:广东电网公司东莞供电局
• 4:电力规划设计总院

摘要(Abstract)：

雷电数据的统计分布是指导输电线路防雷设计的重要基础。输电线路设计规程中杆塔雷电过电压下风偏设计为经验参数,缺乏对雷电风速联合分布的深入研究。利用香港地区气象数据,研究雷电风速联合分布。分析表明雷电在时域上呈高度不均匀分布,日地闪数量服从Burr分布,而雷电与风速服从Gumbel-Copula联合分布。经验分布和理论分布中,日地闪次数超1000次且风速接近和超设计风速雷暴日的地闪数占比均在20%左右。结合气象学背景的分析表明,飑线等强对流天气下并发的雷暴大风是造成强雷暴时超设计风速概率畸高的根本原因。

关键词(KeyWords)： 雷电;风速;联合分布;雷电过电压;风偏闪络

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51777015,51507014);; 湖南省教育厅科学研究项目(15A005)~~

作者(Author): 苏盛;陈浩;陈晓国;夏云峰;陈海焱;吴怡敏;傅闯;

Email:

DOI: 10.13335/j.1000-3673.pst.2018.0184

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