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This paper proposes a simple method to detect and diagnose short circuits and open circuits faults in photovoltaic (PV) systems based on the evaluation of three coefficients. The proposed method consists fundamentally on two steps: an offline step based on a simulated model and an online step in which a comparison of the real measured coefficients against those obtained in the offline step is performed...
This paper briefly describes the operation curves of some PV modules under actual irradiance conditions and temperature in 10 Colombian cities. Those curves were obtained from a Virtual Instrument (VI) developed in LabVIEW®. With the collected information from the VI, the cities were classified taking into account 5 parameters: solar irradiance, temperature, variability of solar resource, maximum...
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