光伏发电系统辅助电源的设计  

Design of auxiliary power in the photovoltaic power system

作　　者：王虎 陈荣[2] WANG Hu;CHEN Rong(School of Electrical and Information Engineering,Jiangsu University,Zhenjiang 212013,China;School of Electrical Engineering,Yancheng Institute of Technology,Yancheng 224051,China)

机构地区：[1]江苏大学电气信息工程学院,江苏镇江212013 [2]盐城工学院电气学院,江苏盐城224051

出　　处：《电子设计工程》2019年第2期117-120,共4页Electronic Design Engineering

摘　　要：在并网光伏发电系统中,需要给光伏逆变器提供高效稳定的辅助电源。设计一种基于UC3842为核心的反激变换器,采用隔离开关电源实现多边输出,通过光电耦合器进行反馈调节,对实验结果进行验证,证明了该电源具有输入范围宽,输出稳定等优点。In photovoltaic inverter grid connection,an efficient and stable power supply of photovoltaic system is generally provided by auxiliary power supply.A flyback converter based on UC3842is designed.The output of isolated switching power supply is multi-output,and feedback through optocouplers Regulation,the experimental results show that the power output stability,high pressure and other advantages.

关 键 词：开关电源 光伏逆变器 反激变换器 UC3842 

分 类 号：TN34[电子电信—物理电子学]