I–V curves and visual inspection of 250 PV modules deployed over 2 years in Tucson

ES Kopp, VP Lonij, AE Brooks… - 2012 38th IEEE …, 2012 - ieeexplore.ieee.org
To study degradation of PV systems, we measured current-voltage (IV) curves from 250
modules that have been deployed in grid-tied systems for 2 to 12 years in Arizona. We also …