A New Strategy for Accurately Predicting 𝐼-𝑉 Electrical Characteristics of PV Modules Using a Nonlinear Five-Point Model

Table 1

Data of the photovoltaic modules used.

Parameters of modules at STC	Shell SP75	GES-P70
Short-circuit current	4,8 A	4,28 A
Open-circuit voltage	21,7 V	21,8 V
Maximum power point current	4,4 A	3,98 A
Maximum power point voltage	17 V	17,6 V
Temperature coefficient of 𝐼sc	0,002 A/°C	0,0017 A/°C
Temperature coefficient of 𝑉oc	−0,076 V/°C	−0,069 V/°C
Number of cells	36	36
Maximum power	75 W	70 W