Parameter Extraction of Solar Photovoltaic Modules Using Gravitational Search Algorithm

Table 3

Comparison of optimization results of GA and GSA at different irradiation levels for Shell SP70.

Parameters	Irradiation in Watt/m^2
	200		400		600		800		1000
	GA	GSA	GA	GSA	GA	GSA	GA	GSA	GA	GSA
()	0.01173	0.066471	0.197458	0.02346	0.250244	0.113392	0.26002	0.183773	0.26002	0.144673
()	255.132	499.5112	285.435	470.1857	260.016	487.781	200	237.5367	424.2424	385.1417
	1.322	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.293255
	1	1	1	1	1	1	1	1	1	1
(nA)	11.5	11.5	10.7	10.7	10.2	10.2	9.91	9.91	9.67	9.67
(nA)	0.301	0.301	0.24	0.24	0.21	0.21	0.191	0.191	0.177	0.177
(A)	0.94	0.94	1.88	1.88	2.82	2.82	3.76	3.76	4.7	4.7