6533b85afe1ef96bd12b8e9f

RESEARCH PRODUCT

A PV plant simulator for testing MPPT techniques

Giovanni CiprianiFabio GendusoRosario MiceliV. Di DioL. P. Di NoiaRenato RizzoD. La Cascia

subject

SimulationsEngineeringbusiness.industryPhotovoltaic systemMPPTSettore ING-IND/32 - Convertitori Macchine E Azionamenti ElettriciMaximum power point trackingPV modelDC-DC Boost converterControl theoryEquivalent circuitMaximum power transfer theoremPv plantbusinessShort circuitPartial heatingPulse-width modulationSimulation

description

This paper introduces a versatile and reliable photovoltaic systems simulator. It includes the main components of a photovoltaic plant: a PV string and a PWM controlled boost chooper. The key feature of this simulator is the ability to consider different and non-uniform irradiation and temperature conditions (partial shading and partial heating of the strings). All the different I-V and P-V or P-I characteristics can then be determined in such non-uniform irradiation and temperature conditions, with the aim to try different MPPT algorithms. The simulator also allows to verify an enhanced version of the Incremental Conductance algorithm (IncCond) where, in order to reach the real absolute maximum power condition, the reference control current of the boost chopper are periodically reset to a given percentage of the short circuit current at standard conditions. After this perturbation, the steady state power values are registered and compared to establish the final value of reference current that allows the IncCond algorithm to reach a steady state at the real abolute maximum power transfer. © 2013 IEEE.

10.1109/iccep.2013.6586921http://hdl.handle.net/10447/100094