文档介绍：毕业设计说明书(论文)
微电网的孤岛检测研究
—三相逆变器接口建模
学生姓名:
班级学号:
院、系、部:
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指导教师:
2010年06月南京
Undergraduate Design(Thesis)
Study on island detection
in Micro Grids
—Three-phase inverter interface modeling
BY
NI JIN-JIE
Supervised by
Lecturer LI Jun
School of Electric Power Engineering
Nanjing Institute of Technology
June 2010
摘要
由于科技进步和环境保护的要求,一些分布能源(DER)如内燃机( IC )、微型燃气轮机、光伏发电、燃料电池和风力发电,已经在配电网中应用。独立分布式发电的应用可以解决很多问题,但其本身也存在不少缺陷。为更好地实现分布式发电的潜力可以采用系统的方法,也就是使电源和相关的负载构成一个子系统或“微电网”(MG)。
本文的主要目的是,总结和研究三相逆变器建模。前面介绍了微电网的研究现状,其中重点介绍微电网在欧洲和日本的发展。而后比较分析了逆变器在反孤岛技术中的应用和逆变器的控制方式比较。最后使用MATLAB中的Simulink工具建立了三相逆变器模型。并且在最后进行了仿真,给出了结果。
关键词:微电网,反孤岛,三相逆变器
Abstract
Due to the technology development and environment protection, some distributed energy resources (DER), such as bustion (IC) engines, gas turbines, micro turbines, photovoltaic, fuel cells and wind-power, have emerged within the distribution system. However, application of individual distributed generators can cause as many problems as it may solve. A better way to realize the emerging potential of distributed generation and associated loads is a subsystem called “Micro Grid”(MG).
The main purpose of this paper is summarized and the research, three-phase inverter modeling. In front of work are introduced, including research status on micro grid in Europe and Japan. paring the inverter in the island's application and technical inverter control method. Finally the Simulink tool use MATLAB three-phase inverter model is established. And in the end, the simulation results.
Keywords: micro grid, anti-isianding ,three-phase inverter
目录
第一章绪论 1
1
1
2
2
3
5
第二章并网逆变器的防孤岛技术 5
5
6
9
9
9
10
10
10
第三章并网逆变器控制技术 11
11
11
12
13
13