单相桥式光伏逆变器拓扑结构的比较与仿真

……………………. ………………. …………………山东农业大学毕业论文

单相桥式光伏逆变器拓扑结构的比较与仿真装

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……………….……. …………. …………. ………院部机械与电子工程学院专业班级电气工程及其自动化3班

届次20**届

学生姓名张前进

学号

指导教师

二О一五年六月一日

二О一一年六月十日

摘要................................................................................................................................. I Abstract ......................................................................................................................... II 1绪论.. (1)

1.1 课题背景与意义 (1)

1.2 光伏发电简介 (2)

1.3 本文研究的主要内容 (3)

2 逆变器及其分类 (3)

2.1 逆变器简介 (3)

2.2 逆变器的分类 (3)

2.2.1 依据直流侧直流电源的性质 (3)

2.2.2 根据输出交流电压的性质 (4)

2.2.3 根据逆变主电路的结构 (4)

2.2.4 根据开关器件及其关断方式的不同 (4)

2.3 独立光伏逆变器 (4)

2.4 并网光伏系统逆变器 (5)

3 光伏并网逆变器的设计要求 (5)

3.1 逆变原理 (6)

3.2 隔离型光伏并网逆变器 (6)

3.2.1 隔离型光伏并网逆变器的特点 (6)

3.2.2 隔离型光伏逆变器的拓扑结构 (7)

3.3 非隔离型光伏并网逆变器 (8)

3.3.1 非隔离型光伏并网逆变器的优缺点 (8)

3.3.2 非隔离型光伏并网逆变器的典型拓扑结构 (8)

4 仿真分析 (9)

5 总结与展望 (16)

参考文献 (17)

致谢 (18)

Abstract ........................................................................................................................... I 1 Introduction .. (1)

1.1 Setback and meaning of the subject (1)

1.2 Introductoin to Photovoltaic power generation (2)

1.3 Main contents of this paper (3)

2 Inverters and its classification (3)

2.1 Introduction to inverters (3)

2.2 Classication of inverters (3)

2.2.1 By DC side direct current source (3)

2.2.2 By the characters of AC side ................................. 错误！未定义书签。

2.2.3 By the structure of inverter ................................... 错误！未定义书签。

2.2.4 By switch device and its method .......................... 错误！未定义书签。

2.3 Independent Photovoltaic inverters (4)

2.4 Grid connected Photovoltaic inverters ............................ 错误！未定义书签。

3 The demands of the design of Photocoltaic inverters (5)

3.1 The principle of inverters ................................................ 错误！未定义书签。

3.2 Isolated Photovoltaic inverters (6)

3.2.1 Characters of isolated Photovoltaic inverters (6)

3.2.2 Stucture of isolated Photovoltaic inverters ........... 错误！未定义书签。

3.3 Not isolated Photovoltaic inverters (8)

3.3.1 Characters of not isolated Photovoltaic inverters (8)

3.3.2 Stucture of not isolated Photovoltaic inverters (8)

4 Simulation and analysis (9)

5 Summary and expections (16)

Reference (17)

Thanks (18)