A simplified model of flexible power point tracking algorithms in double-stage photovoltaic systems
Résumé
Traditionally, photovoltaic (PV) systems have been operated using maximum power point tracking algorithms, which force the PV arrays to produce the maximum available power at all times. Nevertheless, distribution system operators are increasingly asking for flexible power point tracking (FPPT) algorithms, which allow to regulate the PV power to a predefined reference value. FPPTs, however, are difficult to tune and often have a non-linear behavior, which complicates the modeling of PV systems for power system stability studies. This paper proposes a simplified model that reproduces the dc-side dynamics of a double-stage FPPTcontrolled PV system.
Domaines
Energie électrique
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