MPPT of photovoltaic system with Boost circuit based on fuzzy PI control

被引：0
|
作者：
You, Jun [1 ,2 ]
Zheng, Jianyong [1 ,2 ]
机构：
[1] Department of Electrical Engineering, Southeast University, Nanjing 210096, China
[2] Suzhou Key Laboratory of Electrical Equipment and Automation, Suzhou 215123, China
来源：
Dianli Zidonghua Shebei/Electric Power Automation Equipment | 2012年 / 32卷 / 06期
关键词：
Equivalent circuits - MATLAB - State space methods - Boost converter - Photoelectrochemical cells - Three term control systems - Maximum power point trackers - Timing circuits;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The working characteristics of PV (PhotoVoltaic) cell array are analyzed, and its mathematical model and equivalent circuit are established. The fitting parameters of the model are calculated according to the parameters of actual PV cell, based on which a MATLAB model is built. It is studied to adopt Boost converter for stepping up PV output voltage and an enhanced incremental conductance method is implemented for MPPT (Maximum Power Point Tracking). Fuzzy PI controller is proposed to adjust the control parameters for better dynamic performance. The small-signal state space model of system is deduced by circuit analysis, which is proved a stable system by model simulation. Experimental results show the proposed system is stable, reliable and fast.
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页码：94 / 98
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