| 光伏并网逆变器模糊准PR控制仿真研究 |
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| 引用本文： | 姚鑫,罗晓曙,廖志贤,李志红.光伏并网逆变器模糊准PR控制仿真研究[J].电测与仪表,2014,51(19). |
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| 作者姓名： | 姚鑫 罗晓曙 廖志贤 李志红 |
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| 作者单位： | 广西师范大学 电子工程学院,广西 桂林,541004 |
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| 基金项目： | 国家自然科学基金资助项目(11262004)；广西科学研究与技术开发计划(桂科攻1348017-2)；广西师范大学2013年度青年基金 |
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| 摘 要： | 针对光伏并网逆变器系统的非线性特性,在固定参数PR控制方法的基础上,提出了一种模糊准PR控制方法。首先介绍单相光伏并网逆变器的结构,并分析准PR控制的实现算法、离散化和谐波滤除,然后把模糊控制和准PR控制结合应用于并网逆变器同步控制。最后利用Matlab/simulink平台进行仿真实验,结果表明:与准PR方法相比,所提出的控制方法可使电网电流同步误差更小,适应性和抗干扰性更强,因而具有较好的应用价值。
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| 关 键 词： | 单相并网逆变器 电流控制 准PR控制 模糊控制 |
| 收稿时间： | 2014/3/4 0:00:00 |
| 修稿时间： | 2014/3/4 0:00:00 |
The Simulation Research on Fuzzy Quasi PR Control of PV Grid Connected Inverter |
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| YAO Xin,LUO Xiao-shu,LIAO Zhi-xian and LI Zhi-hong.The Simulation Research on Fuzzy Quasi PR Control of PV Grid Connected Inverter[J].Electrical Measurement & Instrumentation,2014,51(19). |
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| Authors: | YAO Xin LUO Xiao-shu LIAO Zhi-xian and LI Zhi-hong |
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| Affiliation: | The College of Electronic Engineering,Guangxi Normal University,The College of Electronic Engineering,Guangxi Normal University,The College of Electronic Engineering,Guangxi Normal University,The College of Electronic Engineering,Guangxi Normal University |
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| Abstract: | Based on the research on the PR control method with fixed parameters, a fuzzySquasiSPR method is proposed for the nonlinear characteristics of photovoltaic grid connected inverter system. Firstly, the structure of single-phase photovoltaic grid connected inverter is introduced, besides, detailed analyses are made for the working principle of quasi PR control algorithm, the discretization method and harmonic filter. Then, theSfuzzyScontrol and quasiSSPR controlSare combined toSapply to grid connected inverter synchronization. At last, by using the Matlab/simulinkSplatform simulation and experimental verification, the simulation experiment results are shown that the proposed fuzzy quasi PR method can effectively improve the tracking effect compared with the traditional quasi PR method.So this method has great application value. |
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| Keywords: | single - phase grid connected inverter current control Quasi PR control fuzzy control |
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