| 基于Buck变换器的光伏发电系统MPPT 控制 |
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| 引用本文： | 陈丽,王英健.基于Buck变换器的光伏发电系统MPPT 控制[J].计算技术与自动化,2010,29(2):28-31. |
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| 作者姓名： | 陈丽 王英健 |
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| 作者单位： | 长沙理工大学,电气与信息工程学院,湖南,长沙,410014 |
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| 摘 要： | 介绍以Buck变换器为对象的太阳能光伏发电系统。用Buck变换器实现对光伏发电系统的最大功率跟踪,采用逐次逼近法的MPPT控制策略,通过调节Buck变换器的PWM占空比输出,使得负载的等效阻抗跟随光伏电池的输出阻抗,使光伏阵列在任何条件下获得最大功率输出,跟踪最大功率。仿真表明MPPT（最大功率跟踪）控制策略的可行性。
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| 关 键 词： | 光伏发电系统 Buck变换器 MPPT 逐次逼近法 |
The MPPT Control for Photovoltaic Generating System Based on a Buck Converter |
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| CHEN Li and WANG Ying jian.The MPPT Control for Photovoltaic Generating System Based on a Buck Converter[J].Computing Technology and Automation,2010,29(2):28-31. |
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| Authors: | CHEN Li and WANG Ying jian |
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| Affiliation: | (College of Electrical and Information Engineering,Changsha University of science and technology,Changsha 410014,China) |
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| Abstract: | The paper introduces photovoltaic generating system based on Buck converter.the maximum power tracking can be achieved by using Buck converter,the MPPT control strategy of successive approximation method is adopted in the paper,Equivalent resistance of load will change with the output resistance of photovoltaic battery by adjusting PWM Duty Ratio output of Buck converter,which makes photovoltaic array getting the maximum power output on any condition,tracking maximum power.The experimental results confirm feasibility of MPPT control strategy. |
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| Keywords: | MPPT |
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