Variable Universe Fuzzy Controlled Incremental Conductance MPPT for Z-source PV Inverter

被引：0
|
作者：
Zhang, Jingwei [1 ]
Wang, Honghua [1 ]
Wang, Chengliang [2 ]
Sun, Rong [3 ]
机构：
[1] Hohai Univ, Coll Energy & Elect Engn, Nanjing 211100, Jiangsu, Peoples R China
[2] Jiangsu Frontier Elect Technol Co Ltd, Nanjing 211100, Jiangsu, Peoples R China
[3] Jiangsu Elect Power Co Res Inst, Nanjing 211100, Jiangsu, Peoples R China
来源：
PROCEEDINGS OF THE 2ND INTERNATIONAL CONFERENCE ON GREEN MATERIALS AND ENVIRONMENTAL ENGINEERING (GMEE 2015) | 2016年 / 35卷
关键词：
variable universe fuzzy controller; photovoltaic; incremental conductance; Z-source inverter; POWER-POINT TRACKING;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Maximum power point tracking (MPPT) is always a hot research area for photovoltaic (PV) system. In this paper, based on high efficiency Z-source PV inverter, a variable universe fuzzy controlled incremental conductance (Inc-Cond) is proposed for MPPT. After designed fuzzy sets and rules, parameters of exponential-type and proportional-type stretching functions are investigated in detail. The influence to system performance are also analyzed. Corresponding simulations of Z-source PV system are implemented in MATLAB/Simulink. Simulation results show that the selection of parameter values has significant impact on system response speed and steady precision. Finally, an example is given to verify the feasibility of proposed MPPT algorithm. Compared with conventional fuzzy controlled Inc-Cond, voltage and power of PV array are more stable during MPPT. Inverter output voltage is stable and its THD is approximate 0.86%.
引用
收藏
页码：183 / 187
页数：5
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