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Brno University of Technology, Czech Republic

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Assessment of MPPT Techniques During the Faulty Conditions of PV System

Bhukya Krishna Naick, Kalyan Chatterjee, Tarun Kumar Chatterjee

DOI: 10.15598/aeee.v16i1.2581


Abstract

The contribution of Distributed Generation (DG) systems like wind energy systems and solar Photovoltaic (PV) systems on the generation of electricity has increased. Out of these DG systems, the PV systems have gained wide popularity, because of the availability of solar energy throughout the day. Depending on the size of PV installations, a large number of PV modules can be interconnected in the form of series and parallel connection. Since a large number of modules are interconnected, it is possible for the faults in a PV array to occur due to the failure of protection system, which can cause damage to the PV module and also the decrease in the output power. This paper presents the tracking of a maximum power point under the faulty conditions of 12x5 PV array. The fault conditions that have been considered in the PV array are open circuit fault, line to ground, line to line and failure of bypass diodes. Perturb and observe, incremental conductance and fuzzy logic controller are the maximum power point tracking techniques that have been implemented. For each of the fault conditions, the results have been presented in terms of the maximum power tracked, tracking time and tracking efficiency.

Keywords


Fuzzy logic controller; maximum power point tracking; PV system faults; tracking efficiency.

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