Investigation on Potential-Induced Degradation in a 50 MWp Crystalline Silicon Photovoltaic Power Plant

Table 3

The electrical parameters for module 18 before shipments and after one year of operation.

Module 18	Voc (V)	Isc (A)	Vm (V)	Im (A)	Rsh (Ω)	(W)
Before shipments	45.01	5.75	36.54	5.39	409.13	196.95
After one year of operation	31.86	5.60	19.30	4.77	182.36	92.06
Degradation rate (%)	29.22	2.61	47.18	11.50	55.43	53.26

Test conditions: 1 kW/m² irradiance, 25°C module temperature and AM1.5 global spectrum.