This paper presents a novel concept for an MPPT that can be used in case of a voltage controlled grid connected PV inverters. In case of single-phase systems, the 100Hz ripple in the AC power is also present on the DC side. Depending on the DC link capacitor, this power fluctuation can be used to track the MPP of the PV array, using the information that at MPP the power oscillations are very small. In this way the algorithm can detect the fact that the current working point is at the MPP, for the current atmospheric conditions.
MPPT algorithm for Voltage Controlled PV Inverters / Kerekes T; Teodorescu R; Liserre M; Mastromauro R; Dell’Aquila A. - ELETTRONICO. - (2008), pp. 1-6. (Intervento presentato al convegno International Conference on Optimization of Electrical and Electronic Equipment, OPTIM'08 tenutosi a Brasov, Romania nel May 22-24, 2008) [10.1109/OPTIM.2008.4602444].
MPPT algorithm for Voltage Controlled PV Inverters
MASTROMAURO, ROSA ANNA;
2008
Abstract
This paper presents a novel concept for an MPPT that can be used in case of a voltage controlled grid connected PV inverters. In case of single-phase systems, the 100Hz ripple in the AC power is also present on the DC side. Depending on the DC link capacitor, this power fluctuation can be used to track the MPP of the PV array, using the information that at MPP the power oscillations are very small. In this way the algorithm can detect the fact that the current working point is at the MPP, for the current atmospheric conditions.
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