Maximum Power Point Tracking of Photovoltaic System based on Improved Sliding Mode Control

被引：0
|
作者：
Chai Yu [1 ]
Wang Yanqing [1 ]
Li Xiaonan [1 ]
机构：
[1] Xian Univ Sci & Technol, Coll Elect & Control Engn, Xian 710054, Shaanxi, Peoples R China
来源：
PROCEEDINGS OF 2019 IEEE 3RD INFORMATION TECHNOLOGY, NETWORKING, ELECTRONIC AND AUTOMATION CONTROL CONFERENCE (ITNEC 2019) | 2019年
关键词：
photovoltaic array; improved sliding mode control; maximum power point tracking;
D O I：
10.1109/itnec.2019.8729283
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In order to realize the nonlinearity of photovoltaic cell output characteristics, in order to realize the tracking control of the maximum power point, sliding mode control is applied in the maximum power tracking control of photovoltaic system, and a sliding mode maximum power tracking control method is designed The controller adopts sliding mode control in the tracking state, and adopts fixed duty cycle control in steady state, thereby effectively avoiding the shortcoming of the sliding mode control switching frequency being uncertain. The simulation results show that the proposed method can track the maximum power point quickly and accurately under standard conditions and sudden changes in illumination intensity, and has faster tracking speed and stable characteristics inherent in fixed duty cycle.
引用
收藏
页码：514 / 517
页数：4
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