Fault diagnosis in a solar pannel
In this work we present a faults detection method for photovoltaic systems. This method is based on the calculation of sets of parameters of a PV module in different operating conditions. The panel status is determined by evaluation and comparison of norms based parameters, with their values. This system developed in Matlab&Simulink environment, consists on the study of the information that the parameters are in normal and faulty condition. They are calculated and described using the I-V curves. Results show that the diagnosis system is able to discern between normal and faulty operation conditions. Fault diagnosis is very important to improve the panel power during the time and especially after a long term use period.
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