关于光伏并网逆变器“效率”的探讨  

Discussion on Efficiency of the Grid Connected Photovoltaic Inverters

作　　者：李菊欢[1] 

机构地区：[1]深圳市计量质量检测研究院,广东深圳518055

出　　处：《电子质量》2010年第8期64-65,共2页Electronics Quality

摘　　要：光伏并网逆变器的效率是决定光伏并网发电系统整体效率的重要参数,如何对其进行全面、有效的评估对于光伏并网工程设计中逆变器的选取具有重要的技术支撑意义。本文介绍了欧洲电工委员会制定的标准EN50530《Overall efficiency of grid connected photovoltaic inverters》中确定的几类逆变器效率评估参数,分析其定义、测试方法及其合理性,并与国内相关标准规定的逆变器效率的定义和测试方法进行了对比分析。The efficiency of the photovoltaic inverter is a key parameter to the integral efficiency of the grid-connected photovoltaic system.Therefor how to effectively evaluate the efficiency of the inverter makes great sense to choose the inverter in the design of the grid-connected photovoltaic system.This article introduces the definitions and the test procedures of the efficiency of the inverter in standard EN 50530Overall efficiency of grid connected photovoltaic inverters and compares with that in the relevant standard used in China.

关 键 词：光伏逆变器 效率 MPPT 光伏并网发电系统 

分 类 号：TM464[电气工程—电器]