A MPPT Method for Photovoltaic System with Multi Output Power Peaks

被引：0

作者：

Ji, Jianqiang ^{[1
]}

Yu, Shuliang ^{[2
]}

Sun, Tingting ^{[3
]}

Yu, Dongsheng ^{[3
]}

机构：

[1] Zhejiang Hitech Renewable Energy Co Ltd, Jiaxing, Zhejiang, Peoples R China

[2] Jinzhai Cty Power Supply Co, STATE GRID Anhui Elect Power Co Ltd, Xuancheng, Anhui, Peoples R China

[3] China Univ Min & Technol, Sch Elect & Power Engn, Xuzhou, Jiangsu, Peoples R China

来源：

2019 IEEE 10TH INTERNATIONAL SYMPOSIUM ON POWER ELECTRONICS FOR DISTRIBUTED GENERATION SYSTEMS (PEDG 2019) | 2019年

关键词：

photovoltaic array; multi peak; maximum power point tracking; intermediate reference power;

D O I：

10.1109/pedg.2019.8807714

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

With the illumination intensity and temperature changing, the output characteristics of photovoltaic (PV) system can be greatly verified, and the output voltage-current characteristic curve of photovoltaic cells could possess multiple peak values. For this case, the conventional maximum power point tracking (MPPT) method is no longer suitable for locating the real maximal power point. In order to realize good tracking performance of PV system, an algorithm with global tracking ability and multi peak optimization is put forward for solving multimodal optimization problems under partial shading in this paper. By making use of the uniform model of PV system, the feasibility of the proposed algorithm under uneven illumination conditions is verified based on MATLAB/Simulink. The simulation results show that the proposed method can quickly track the real MMP with high accuracy.

引用

页码：401 / 406

页数：6

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