旁路二极管典型环境下的反向电流试验与均匀性分析  

Reverse Current Test and Uniformity Analysis of Bypass Diode in Typical Environment

作　　者：姚磊 冯皓 王珊珊 王维思 彭敦诚 YAO Lei;FENG Hao;WANG Shan-shan;WANG Wei-si;PENG Dun-cheng(Vkan Certification And Testing Co.,Ltd.,Guangzhou 510663)

机构地区：[1]威凯检测技术有限公司,广州510663

出　　处：《环境技术》2021年第2期220-224,共5页Environmental Technology

基　　金：中国机械工业集团重大科技专项“典型新能源装备及关键技术研发及产业化(SUMECEH-5)”;“材料失效分析案例库研究(SCRV2020075)”的支持。

摘　　要：旁路二极管在光伏发电系统内起着十分重要的作用,本文介绍了旁路二极管反向特性以及对光伏电池的保护和旁路功能,分析了IEC 61215-1:2016与IEC 61215-2:2016标准间关于二极管测试温度不协调的地方,参考整流二极管标准对比分析了旁路二极管反向电流的两种测试方法,并对旁路二极管施加典型试验环境,测试出反向电流,运用单因子方差分析法对样品的均匀性进行分析,来指导产品的筛选。Bypass diode plays a very important role in photovoltaic power generation system.This paper introduces the reverse characteristics of bypass diode and its protection and bypass functions for photovoltaic cells.The incongruity of test temperature for diode between IEC 61215-1:2016 and IEC 61215-2:2016 is analyzed.Two test methods of reverse current of bypass diode are compared and analyzed with reference to rectifier diode standard.Typical test environment is applied to the bypass diode,and reverse current is measured.The uniformity of the sample is analyzed by single factor variance analysis to guide the screening of products.

关 键 词：光伏组件 旁路二极管 反向电流 标准协调 均匀性 

分 类 号：TM615[电气工程—电力系统及自动化]