Assessment of maximum power point trackers performance using direct and indirect control methods

被引:21
|
作者
Kermadi, Mostefa [1 ]
Mekhilef, Saad [1 ,2 ]
Salam, Zainal [3 ]
Ahmed, Jubaer [4 ]
Berkouk, El Madjid [5 ]
机构
[1] Univ Malaya, Dept Elect Engn, Power Elect & Renewable Energy Res Lab PEARL, Kuala Lumpur 50603, Malaysia
[2] Swinburne Univ Technol, Sch Software & Elect Engn, Melbourne, Vic, Australia
[3] Univ Teknol Malaysia, Ctr Elect Energy Syst, Sch Elect Engn, Johor Baharu, Malaysia
[4] Swinburne Univ Technol Sarawak, Fac Engn Comp & Sci, Sarawak, Malaysia
[5] Natl Polytech Sch Algiers ENP, Lab Proc Control LCP, El Harrach, Algeria
关键词
direct control; indirect control; maximum power point tracking; perturb and observe; photovoltaic system; P-AND-O; PARTIAL SHADING CONDITIONS; MPPT ALGORITHM; PHOTOVOLTAIC SYSTEM; TRACKING; OSCILLATION;
D O I
10.1002/2050-7038.12565
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
The direct and indirect control methods are commonly used for maximum power point tracker (MPPT) of photovoltaic (PV) systems. Due to the absence of the literature that assess their performance in a comprehensive way, this work attempts to analyze the effectiveness of both control methods for the perturb and observe (P&O) MPPT algorithm. The MATLAB/Simulink simulation is verified experimentally using a PV array simulator and the dSPACE DS1104 DSP board driving a buck-boost converter. The results show that the indirect method exhibits lower steady-state oscillation and is less sensitive to rapid irradiance change and load variations. It increases the steady-state efficiency by 1.6%. Furthermore, under irradiance and load step changes, the transient efficiency increases by 29% and 30%, respectively. Based on these findings, it is envisaged that the indirect method is more suitable to be used as the controller in conjunction with the MPPT algorithm.
引用
收藏
页数:18
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