Y. Nitesh, B. Malakondareddy, S. S. Kumar, Ishwar Anand
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Experimental investigation of distributed maximum power point operation for solar PV system
The major issues in PV systems are the effect of module dissimilarities and of partial shading of the PV panels. In this paper a distributed maximum power point tracking (DMPPT) technique is used to track the maximum power under partial shading condition. In this paper, both series and parallel connected DC-DC converters are considered to track the MP from panels by use of a DMPPT algorithm. DMPPT is a good technique which improved system efficiency and reliability. Modelling and design of the DMPPT system exceptionally difficult than implementing the conventional MPPT system. The DMPPT system implemented for PV modules is proposed and analysed employing micro power converter. To observe steady state analysis and stability of system a small signal model is derived. Finally, the efficacy of the proposed system is verified with MATLAB/Simulink simulations and validated through dSPACE 1103 controller-based laboratory experimental setup.
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