The output power of Photovoltaic (PV) module/array varies due to the changes in atmospheric conditions and this result in variation of maximum power point (MPP). The Maximum Power Point Tracking (MPPT) algorithms are used for converter control so as to adjust the operating point the converter circuit to transfer the maximum power to the load. This paper presents the simulation of interleaved boost converter (IBC) with Perturb and Observe (P&O) MPPT for Photovoltaic system. The PV power system with a two phase IBC is analyzed in this work. The converter circuit is connected with the generalized photovoltaic model and simulated for various atmospheric conditions with and without MPPT controller. The model is simulated in MATLAB andthe results are generated for various test conditions. The output power of the converter with and without MPPT is compared with the actual output power of the PV module and the results are discussed.

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