光伏背板用KPK绝缘封装材料局部放电特性研究  

Study on partial discharge characteristics of KPK insulation encapsulation material for photovoltaic backplane

作　　者：尹月琴[1] 张华健[1] 张展图 李庚宸 Yin Yueqin;Zhang Huajian;Zhang Zhantu;Li Gengchen(State Grid Yanan Electric Power Supply Company,Yan’an 716000,China;Xi’an Shiyou University,Xi’an 710000,China;School of Computer Science,Northeast Electric Power University,Jilin 132012,China)

机构地区：[1]国网陕西省电力公司延安供电公司,陕西延安716000 [2]西安石油大学,陕西西安710000 [3]东北电力大学计算机学院,吉林吉林132012

出　　处：《无线互联科技》2020年第4期146-147,166,共3页Wireless Internet Technology

摘　　要：随着光伏产业的不断发展,KPK型背板在光伏背板市场中的占有率日益增长。但在高电压情况下,KPK型背板会产生局部放电现象,破坏光伏发电绝缘系统。为此,文章利用脉冲电流法搭建了局部放电实验平台,分别对KPK型背板通电不同时长,通过对实验数据进行处理,绘制局部放电相位分布(PRPD)图谱,分析研究KPK型背板的局部放电特性。这将有助于深入研究光伏背板老化机理,提高光伏系统的使用寿命。With the development of photovoltaic industry,the KPK type backplane has a growing share in the photovoltaic backplane market.However,in the case of high voltage,the KPK type backplane will produce partial discharge phenomenon,which will damage the insulation system of photovoltaic power generation.In this paper,the pulse current method is used to set up the partial discharge experiment platform,which is used to analyze the partial discharge characteristics of KPK backplane by processing the experimental data and drawing the phase resolved partial discharge map.This will be helpful to further study the aging mechanism of photovoltaic backplane and improve the service life of photovoltaic system.

关 键 词：局部放电 KPK型背板 局部放电相位分布图谱 

分 类 号：TM855[电气工程—高电压与绝缘技术]