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

Table 8

Comparison of model, and model, two-diode model, and proposed model output with manufacturer’s datasheet for KD260GX-LFB2 PV module [35].

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	260	208.7319	260.0899	260.0900	260.0000	−19.7185	0.0345	0.0346	0.0000
	V	31.0	27.5760	31.0230	31.0000	31.0022	−11.0451	0.0741	0.0000	0.0070
	A	8.39	7.5693	8.3838	8.3900	8.3895	−9.7818	−0.0738	0.0000	−0.0059
	V	38.3	35.2913	38.2471	38.2249	38.2994	−7.8556	−0.1381	−0.1960	−0.0015
	A	9.09	8.0652	9.0739	9.0685	9.0900	−11.2739	−0.1771	−0.2365	0.0000
NOCTC; (45°C and 800 W/m^2)	W	187	142.6852	189.3933	189.8687	186.9801	−23.6977	1.2798	1.5340	−0.0106
	V	27.9	24.7590	28.3420	28.3420	27.8997	−11.2580	1.5842	1.5842	−0.0010
	A	6.71	5.8309	6.6824	6.6992	6.7096	−13.1013	−0.4113	−0.1609	−0.0059
	V	35.1	33.8348	35.0769	35.0657	35.0982	−3.6045	−0.0658	−0.0977	−0.0051
	A	7.36	6.1593	7.3462	7.3418	7.3597	−16.3138	−0.1875	−0.2472	−0.0040