基于级联H桥变换器的光伏并网系统研究  

Research on grid-connected photovoltaic system based on cascaded H-bridge converter

作　　者：鲁西坤 石峰[1] 马鑫鑫 Lu Xikun;Shi Feng;Ma Xinxin(School of Electronic Information and Electrical Engineering,Anyang Institute of Technology,Anyang 455000,China)

机构地区：[1]安阳工学院电子信息与电气工程学院,河南安阳455000

出　　处：《无线互联科技》2024年第10期82-85,共4页Wireless Internet Technology

基　　金：河南省科技计划项目;项目名称:级联H桥变换器在分布式微电网应用中的关键技术研究;项目编号:222102240076。项目名称:安阳工学院新能源电力系统重点实验室;项目编号:SYS202402。

摘　　要：H桥型多电平变换器的研制工作已经进入较为深入的发展阶段,技术较为成熟、稳定。文章以单一H桥变换器的基本原理为基础,分析了级联H桥多电平变换器的发展、工作原理以及相关拓扑结构。为了研究级联H桥变换器光伏并网系统,文章对光伏并网系统进行了建模和分析,并分析了Boost变换器的工作原理,介绍了最大功率点跟踪算法,并对两级H桥变换器三相光伏并网系统进行了仿真与分析,验证了级联H桥变换器光伏并网系统能够达到很好的发电效果。该研究为光伏发电系统的应用提供了良好的支撑。With the continuous development of society,entertainment projects represented by concerts become more and more popular,but the phenomenon of illegal scalping is rampant in the ticketing process.In order to solve this problem,this paper designs and implements a concert ticketing system based on face recognition.The system integrates various functions such as registration,login,payment,seat selection,etc.It strictly verifies the identity of the ticket buyer through face recognition technology to ensure the security and efficiency of the ticketing process,effectively curbing the illegal selling of tickets and greatly enhancing the ticketing experience.With comprehensive functions and strong adaptability,the system has a broad development prospect and brings a brand new change to the concert ticketing market.

关 键 词：光伏并网系统 Boost变流器 最大功率点追踪 级联H桥变换器 

分 类 号：TM46[电气工程—电器] TM615