MPP control of a photovoltaic energy system

被引:8
|
作者
Hua, C
Lin, J
Tzou, H
机构
[1] Natl Yunlin Univ Sci & Technol, Dept Elect Engn, Touliu 640, Yunlin, Taiwan
[2] Natl Yunlin Univ Sci & Technol, Grad Sch Engn Sci & Technol, Touliu 640, Yunlin, Taiwan
[3] Kuang Wu Inst Technol, Dept Elect Engn, Taipei 112, Taiwan
来源
关键词
D O I
10.1002/etep.4450130405
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Photovoltaic (PV) power converters are used to convert the electrical energy from the PV modules to a stable and reliable power source. The object of this paper is to analyse and design a DC/DC converter with current regulation for PV energy systems. An on-line tracking method with a discrete time control and a PI compensator is used to track the maximum power points (MPPs) of the PV modules. With the temperature-loop and insolation-loop control, the proposed MPPT control features accurate MPPT and fast transient response. The large- and small-signal model and transfer function for the system are developed by using the principle of energy conservation. The T1320C25 digital signal processor (DSP) was used to implement the proposed online MPPT control. Simulations and experimental results show excellent performance.
引用
收藏
页码:239 / 246
页数:8
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