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光伏并网发电系统中逆变器的设计与控制方法
引用本文:董密,罗安.光伏并网发电系统中逆变器的设计与控制方法[J].电力系统自动化,2006,30(20):97-102.
作者姓名:董密  罗安
作者单位:1. 中南大学信息科学与工程学院,湖南省,长沙市,410083
2. 湖南大学电气与信息工程学院,湖南省,长沙市,410082
摘    要:针对光伏并网发电系统中关键部件--逆变器的结构设计与控制方法研究进行了详细分析和阐述.从电网、光伏阵列以及用户对逆变器的要求出发,分析了各种不同的逆变器拓扑结构与控制方法,比较其运行效率和控制效果.对于目前国内外光伏发电系统中并网逆变器的研究现状、亟待解决的问题进行了阐述,指出光伏发电系统中并网逆变器高效可靠运行的发展方向.

关 键 词:光伏并网发电系统  逆变器  拓扑结构  最大功率点跟踪  孤岛效应
收稿时间:1/1/1900 12:00:00 AM
修稿时间:1/1/1900 12:00:00 AM

Design and Control Strategies of Inverters for a Grid-connected Photovoltaic Power System
DONG Mi,LUO An.Design and Control Strategies of Inverters for a Grid-connected Photovoltaic Power System[J].Automation of Electric Power Systems,2006,30(20):97-102.
Authors:DONG Mi  LUO An
Institution:1. Central South University, Changsha 410083, China; 2. Hunan University, Changsha 410082, China
Abstract:With energy, zoology and environments being paid increasing attention, a photovoltaic (PV) system supplying power directly to a power grid becomes more popular available. This paper focuses on the structure design and control strategies of inverters for the grid-connected PV system. It starts with an examination of the demands requested by the power grid, the PV array and the users for the inverters. Then follows a review to see how these demands are achieved with all sorts of topologies and control strategies of inverters and accordingly the working efficiency and control effect are compared. Also, the background, the fundamentals, the approaches and the main results of evolutionary grid-connected PV inverters are outlined. In the end, several open questions and the state-of-arts of the grid-connected PV inverters are discussed.
Keywords:grid-connected photovoltaic (PV) power system  inverter  topological structure  maximum power point tracking (MPPT)  islanding
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