| 基于MATLAB光伏并网逆变系统的仿真研究 |
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| 引用本文： | 姜子晴,陈照章,徐晓斌,黄永红.基于MATLAB光伏并网逆变系统的仿真研究[J].通信电源技术,2007,24(4):18-20. |
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| 作者姓名： | 姜子晴 陈照章 徐晓斌 黄永红 |
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| 作者单位： | 江苏大学,电气信息工程学院,江苏,镇江,212013 |
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| 摘 要： | 光伏并网发电系统是光伏发电系统发展的趋势。文中介绍了单极式光伏系统的拓扑结构和实现最大功率的工作原理,阐述了电导增量法实现MPPT的基本思想。根据光伏系统并网发电拓扑结构,设计了一套新型的实现最大功率跟踪的单极式光伏并网逆变器。逆变器控制部分由DSP实现最大功率跟踪和输出电流跟踪控制,实现了逆变输出电流与电网同步,且高功率因数运行。仿真结果表明,单极式光伏并网逆变系统能准确跟踪太阳能电池最大功率点,并具有较好的稳定性。
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| 关 键 词： | 并网光伏系统 最大功率点跟踪 电导增量法 单极并网逆变器 |
| 文章编号： | 1009-3664（2007）04-0018-03 |
| 收稿时间： | 2006-12-27 |
| 修稿时间： | 2006-12-27 |
The Simulation Research on Inverter System Based on MATLAB Grid-Connected Photovoltaic(PV) System |
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| JIANG Zi-qing,CHEN Zhao-zhang,XU Xiao-bin,HUANG Yong-hong.The Simulation Research on Inverter System Based on MATLAB Grid-Connected Photovoltaic(PV) System[J].Telecom Power Technologies,2007,24(4):18-20. |
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| Authors: | JIANG Zi-qing CHEN Zhao-zhang XU Xiao-bin HUANG Yong-hong |
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| Affiliation: | Jiangsu University, Zhengjiang 212013, China |
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| Abstract: | Grid-connected photovoltaic(PV) system is the trend of photovoltaic system's development.This paper introduces the topology and MPPT's principle of single-state PV system,as well as the basic principle to realize MPPT by conductance increment method.According to the topology of the PV system,a novel single-state PV inverter is designed.The inverter is of MPPT and export current tracking and synchronization with the utility and operation at high power factor based on DSP.Simulink result illustrates single-state grid-connected PV system can realize MPPT accurately;it also shows the high stability and high efficiency. |
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| Keywords: | grid-connected photovoltaic(PV) system maximum power point tracking conductance increment method single-state PV inverter |
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