2003
DOI: 10.1002/eej.10150
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Maximum power point tracking with estimation of the capacitance of the capacitor connected to photovoltaic array

Abstract: SUMMARYThis paper presents a new perturbation and observation method with a capacitance estimation technique for maximum power point tracking (MPPT) in a photovoltaic system. Usually, the maximum power point is tracked by increasing or decreasing the duty ratio of power switching devices. However, it is well known that actual capacitance of an electrolytic capacitor in parallel with a photovoltaic array has 50% tolerance of its nominal value and also that its capacitance value degrades as time passes. If the v… Show more

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Cited by 4 publications
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