A Fast Current-Based MPPT Technique Employing Sliding Mode Control
| Autor: | Massimo Vitelli, Enrico Bianconi, E. Mamarelis, Giovanni Spagnuolo, Giovanni Petrone, Carlos Andrés Ramos-Paja, Roberto Giral, Javier Calvente |
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| Rok vydání: | 2013 |
| Předmět: |
Engineering
Logarithm business.industry Photovoltaic system Sliding mode control Maximum power point tracking law.invention Capacitor Control and Systems Engineering Control theory law Grid-connected photovoltaic power system Electronic engineering Electrical and Electronic Engineering business Power control Voltage |
| Zdroj: | IEEE Transactions on Industrial Electronics. 60:1168-1178 |
| ISSN: | 1557-9948 0278-0046 |
| DOI: | 10.1109/tie.2012.2190253 |
| Popis: | This paper introduces a novel maximum power point tracking (MPPT) technique aimed at maximizing the power produced by photovoltaic (PV) systems. The largest part of the MPPT approaches presented in the literature are based on the sensing of the PV generator voltage. On the contrary, in this paper, a current-based technique is proposed: the sensing of the current in the capacitor placed in parallel with the PV source is one of the innovative aspects of the proposal. A dual control technique based on an inner current loop plus an outer voltage loop allows to take profit of the fast current tracking capability of the inner current loop while the voltage loop benefits from the logarithmic dependency of the PV voltage on the irradiation level. The features of the proposed algorithm, particularly in terms of tracking of irradiation variations and disturbance rejection, are supported by theoretical analysis, simulations, and experimental results. The technique described in this paper is patent pending. |
| Databáze: | OpenAIRE |
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