An Improved MPPT Algorithm for Photovoltaic Inverter

被引：0
|
作者：
Zheng, Zhaohong [1 ]
Zhang, Tianxia [1 ]
Xue, Jiaxiang [1 ]
机构：
[1] South China Univ Technol, Sch Mech & Automot Engn, Guangzhou, Guangdong, Peoples R China
来源：
2016 8TH INTERNATIONAL CONFERENCE ON INTELLIGENT HUMAN-MACHINE SYSTEMS AND CYBERNETICS (IHMSC), VOL. 2 | 2016年
关键词：
maximum power point tracking; disturbance method; constant voltage method; FIR filtering; three-point working mode; variable step size;
D O I：
10.1109/IHMSC.2016.39
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In order to effectively solve the shock and false error in frequently used perturbation method in maximum power point tracking (MPPT) for photovoltaic inverter, the working voltage of the PV array was adjusted to 80% at the initial stage of the maximum power point tracking(MPPT); During collecting its working current and voltage, the high frequency noise was filtered by FIR filter, and the direction of disturbance was determined by three-point mode, and the step size was adjusted with the change of light intensity. The experimental analysis indicates that the stability, precision and efficiency of the improved perturbation method were developed obviously.
引用
收藏
页码：168 / 173
页数：6
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