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Digitally controlled converter with an adaptive step size for maximum power point tracking for photovoltaic applications

By D. A. Stone, M. P. Foster, C. M. Bingham and Paul Stewart


Maximum power point trackers (MPPTs) are required to ensure optimum utilization of photovoltaic (PV) arrays in renewable energy systems, both as stand-alone and as supplementary sources of energy. In this paper, a MPPT algorithm is presented based on the perturb and observe (P & O) approach, implemented with an adaptive perturbation step size to allow fast convergence to the required operating point

Topics: H620 Electrical Engineering, H660 Control Systems
Publisher: IEEE
Year: 2009
OAI identifier:

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