Authors
Electrical Engineering Department, University of Technology, Baghdad, Iraq
Abstract
This paper presents a modified maximum power point tracking algorithm (Modified MPPT) for PV systems based on incremental conductance (IC) algorithm. This method verified with the dynamic irradiance and sudden change of irradiance, the comparisons with conventional methods, for example, the perturbation and observation (P&O) and Modified perturbation and observation (Modified P&O) were performed. A photovoltaic (PV) panel was simulated and tested using MATLAB/Simulink based on PV panel at Power Electronics Laboratory. The results show that this method capable to find the maximum power point (MPP) under dynamic behavior faster than ( P&O) and Modified P&O). Reduced oscillation of MPP indicates enhanced efficiency, providing maximum power transfer to load
Keywords
- Boost converter
- Impedance matching
- Maximum power point tracking (MPPT)
- Modified Perturb and Observation (Modified P&O)
Main Subjects
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[16] X. Li, H. Wen, and C. Zhao, “Improved beta parameter based MPPT method in photovoltaic system,” 9th Int. Conf. Power Electron. - ECCE Asia "Green World with Power Electron. ICPE 2015-ECCE Asia, pp. 1405–1412, 2015.
[17] N. Swain, “Application of PI and MPPT Controller to DC-DC Converter for Constant Voltage & Power Application,” IOSR J. Electr. Electron. Eng., vol. 11, no. 05, pp. 08–15, 2016.
[18] D. Teja, R. Challa, and I. Raghavendar, “Implementation of Incremental Conductance MPPT with Direct Control Method Using Cuk Converter,” vol. 2, no. 6, pp. 4491–4496, 2012.
[19] S. K. Kollimalla and M. K. Mishra, “Novel adaptive P&O MPPT algorithm for photovoltaic system considering sudden changes in weather condition,” 4th Int. Conf. Clean Electr. Power Renew. Energy Resour. Impact, ICCEP 2013, pp. 653–658, 2013.
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[21] A. Belkaid, I. Colak, and O. Isik, “Photovoltaic maximum power point tracking under fast varying of solar radiation,” Appl. Energy, vol. 179, pp. 523–530, 2016.
[22] W. Hart Danial, commonly used Power and Converter Equations. 2010.
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[24] F. Liu, S. Duan, and F. Liu, “A variable step size INC MPPT method for PV systems,” J. IEEE Trans. Ind.
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