光伏系统研究及逆变技术在家庭光伏发电中的应用

XCLW15027  光伏系统研究及逆变技术在家庭光伏发电中的应用    (字数：7959)

摘要

本文分析了国内外光伏发电的现状与发展，随着能源紧缺与环境污染问题的日益严重，光伏发电将太阳能转换成电能并输送到电网成为各国研究和发展的热点；现以家庭光伏发电系统为研究对象，介绍了光伏发电系统的基本组成和特 性，对光伏发电系统进行了全面的理论分析研究，阐述了光 伏逆变器在系统中的作用及原理，并对逆变电路通过Maltab进行了仿真。

设计的电路通过运用Maltab进行了仿真，结果表明设计是合理的。

关键词：光伏发电系统、转换功率、逆变电路、正弦波输出

目录

第一章 绪论···················································1

1.1课题研究的现状、发展趋势及其深远意义······················1

1.1.1 太阳能的开发与利用····································1

1.2 国内外光伏研究现状及发展趋势······························2

1.3 光伏发电深远意义及本课题主要研究内容······················2

第二章 太阳能光伏发电系统概述·································2

2.1 光伏发电系统的组成········································2

2.2 光伏发电系统的应用········································2

2.3 光伏发电系统存在的问题····································2

2.3.1 光伏阵列发电效率低····································3

2.3.2 系统造价成本高········································3

2.3.3 发电运行受气候环境因素影响大··························3

2.3.4 本身制造需要消耗相当多的能源··························4

第三章 光伏电池及其特性·······································4

3.1太阳能电池的分类··········································4

3.2太阳能电池的基本工作原理··································5

3.3太阳能电池的等效电路······································5

第四章 光伏发电系统中逆变技术应用·····························6

4.1电压型单相全桥逆变电路·····································6

4.2电压型的逆变电路特点·······································6

第五章 家庭光伏发电系统的研究·······················