Estimating potential-induced degradation in PV systems used for water pumping

Researchers in Spain have developed a new method to estimated potential-induced degradation (PID) in solar modules used in PV-driven water pumping systems. The proposed approach can detect PID from the open-circuit voltage measurement of the system's PV module strings. Scientists from Spain's University of Granada have presented and compared four regression methods to estimate potential-induced degradation (PID) in PV strings. Their methods use the strings' open-circuit voltage (Voc) measurement for the predictions. "The proposed method solves a heat stress health safety problem, prevents water ...

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