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Electrical mismatch between modules in a PV array due to partial shading causes energy losses beyond the shaded module. This occurs because unshaded modules are forced to operate away from their maximum power point in order to compensate for the shading. Here we present an irradiance estimation algorithm for use in a mismatch mitigation system. Irradiance is estimated using measurements of module...
This paper proposes a model for an actual photovoltaic solar array and a method for estimating total power output. The array is analyzed by modeling individual panels and calculating their cumulative effect. The system model is then used to estimate future power output based on stochastic inputs. The paper includes a system description, system model, and computer simulations.
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