In this paper acurrentcontroller is used to reject the 100-Hz oscillation of the voltage of the photovoltaic field taking place in any grid connected system. With respect to the classical linear voltage control the current-basedsliding-mode approach ensures a wider regulation band but, unfortunately, in presence of a fast irradiance variation the sliding conditions might be violated, so that the operating point, which should be the maximum power point, might not be the expected one. In order to prevent such a drawback, an appropriate voltage compensation loop is used to interface the current-basedslidingmode with the Maximum Power Point Tracking algorithm. Simulation and experimental results confirm the goodness of the proposed algorithm.

Perturb and Observe MPPT algorithm with a current controller based on the sliding mode

MAMARELIS, EMILIO;PETRONE, GIOVANNI;SPAGNUOLO, Giovanni;VITELLI, Massimo
2013-01-01

Abstract

In this paper acurrentcontroller is used to reject the 100-Hz oscillation of the voltage of the photovoltaic field taking place in any grid connected system. With respect to the classical linear voltage control the current-basedsliding-mode approach ensures a wider regulation band but, unfortunately, in presence of a fast irradiance variation the sliding conditions might be violated, so that the operating point, which should be the maximum power point, might not be the expected one. In order to prevent such a drawback, an appropriate voltage compensation loop is used to interface the current-basedslidingmode with the Maximum Power Point Tracking algorithm. Simulation and experimental results confirm the goodness of the proposed algorithm.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11386/3876345
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