Study of Maximum Power Point Tracking Methods for Photovoltaic Power Generation System

被引：0
|
作者：
Shi, Shengyao [1 ]
Wang, Yingnan [2 ]
Jin, Peng [2 ]
机构：
[1] Northeastern Univ, Sch Informat Sci & Engn, Shenyang 118019, Peoples R China
[2] Liaoning Elect Power Co Ltd, Shenyang Power Supply Co, Shenyang 100811, Peoples R China
来源：
2013 CHINESE AUTOMATION CONGRESS (CAC) | 2013年
关键词：
photovoltaic; maximum power point tracking (MPPT); perturbation and observation method; variable step size In by;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The output characteristic of photovoltaic array is nonlinear. Therefore, it needs to use the maximum power point tracking algorithm. The conventional perturbation and observation method is succinct and has high tracking efficiency. However, the excellent steady accuracy and dynamic property is difficult to achieve synchronously due to adopting fixed perturbation step size. An improved perturbation and observation method with variable step size is proposed in this paper. The simulation results show that the maximum power point tracking effect is good. This improved method has high steady accuracy, and it can quickly track the maximum power point.
引用
收藏
页码：835 / 840
页数：6
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