An Improved Generalized Method for Evaluation of Parameters, Modeling, and Simulation of Photovoltaic Modules

Table 7

Comparison of model, and model, two-diode model, and proposed model output with manufacturer’s datasheet for KD140GX-LFBS PV module [34].

Environmental conditions	Parameter	Datasheet value	model value	and model value	Two-diode model value	Proposed model value	Error (%)	Error and (%)	Error two-diode (%)	Error proposed (%)
STC; (25°C and 1000 W/m^2)	W	140	112.2240	139.9971	140.0070	140.0000	−19.8399	−0.0020	0.0050	0.0000
	V	17.7	15.9120	17.9010	17.7000	17.7007	−10.1016	1.1355	0.0000	0.0039
	A	7.91	7.0528	7.8206	7.9100	7.9091	−10.8369	−1.1302	0.0000	−0.0113
	V	22.1	20.3590	22.0514	22.0396	22.1000	−7.8778	−0.2199	−0.2733	0.0000
	A	8.68	7.6673	8.6514	8.6491	8.6800	−11.6670	−0.3294	−0.3559	0.0000
NOCTC; (45°C and 800 W/m^2)	W	101	79.3291	101.7994	101.9756	100.9936	−21.4563	0.7914	0.9659	−0.0063
	V	16.0	14.6910	16.1330	16.1330	15.9880	−8.1812	0.8312	0.8312	−0.0750
	A	6.33	5.5852	6.3100	6.3209	6.3278	−11.7661	−0.3159	−0.1437	−0.0347
	V	20.2	18.0738	20.2155	20.2034	20.1983	−10.5257	0.0767	0.0168	−0.0084
	A	7.03	6.4273	7.0042	7.0023	7.0293	−8.5732	−0.3669	−0.3940	−0.0099