Simulation of PV Array Characteristics of and Fabrication of Microcontroller Based MPPT

Publisher:
IEEE
Publication Type:
Conference Proceeding
Citation:
Proceedings of the 6th International Conference on Electrical and Computer Engineering, ICECE 2010, 2010, pp. 155 - 158
Issue Date:
2010-01
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In photovoltaic (PV) systems, the PV array represents about 57% of the total cost of the system, so it is very desirable to operate the PV panel at the maximum power point (MPP). The output characteristics of the solar array are nonlinear and vitally affected by solar radiation, temperature, and load conditions. In this respect simulation analysis of PV array is essential to understand the output characteristics of PV array such that it can operate at the maximum power producing point for a given atmospheric condition. This paper explores the output characteristics of a PV array in MATLAB environment and the fabrication of a microcontroller based simple maximum power point tracker (MPPT). The fabricated MMPT has the capability to track the MPP and the use of the MPPT enhances the output power by 20%.
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