A New Six-Parameter Model Based on Chebyshev Polynomials for Solar Cells

Table 5

Voltage, power, and RE at maximum power point of different models for US-21 at °C.

(W/m^2)	Experimental data	Five-parameter model	Seven-parameter model	Six-parameter model	RE(5-para)	RE(7-para)	RE(6-para)
1000	= 15.2	= 14.01544	= 14.84689	= 14.84671	7.793 at	2.323 at	2.324 at
	= 19.883	= 18.29121	= 19.70321	= 19.70291	8.006 at	0.904 at	0.906 at
900	= 15.335	= 14.33650	= 15.10970	= 15.10955	6.511 at	1.469 at	1.470 at
	= 18.227	= 16.99216	= 18.15277	= 18.15254	6.775 at	0.407 at	0.409 at
800	= 15.477	= 14.66351	= 15.37056	= 15.37044	5.256 at	0.688 at	0.689 at
	= 16.507	= 15.57550	= 16.50499	= 16.50483	5.643 at	0.012 at	0.013 at
700	= 15.626	= 14.99208	= 15.62622	= 15.62613	4.057 at	0.001 at	0.001 at
	= 14.720	= 14.03842	= 14.75907	= 14.75896	4.630 at	0.265 at	0.265 at
600	= 15.782	= 15.31685	= 15.87229	= 15.87224	2.947 at	0.572 at	0.572 at
	= 12.862	= 12.37893	= 12.91469	= 12.91463	3.756 at	0.410 at	0.409 at
500	= 15.945	= 15.63061	= 16.10244	= 16.10243	1.972 at	0.987 at	0.987 at
	= 10.930	= 10.59594	= 10.97225	= 10.97222	3.056 at	0.387 at	0.386 at
400	= 16.114	= 15.9248	= 16.30647	= 16.30651	1.189 at	1.194 at	1.195 at
	= 8.917	= 8.68954	= 8.93308	= 8.93309	2.551 at	0.180 at	0.180 at
300	= 16.279	= 16.17323	= 16.46573	= 16.46582	0.650 at	1.147 at	1.148 at
	= 6.818	= 6.66162	= 6.80017	= 6.80020	2.294 at	0.262 at	0.261 at
200	= 16.414	= 16.34112	= 16.53891	= 16.53908	0.444 at	0.761 at	0.762 at
	= 4.624	= 4.51744	= 4.57978	= 4.57981	2.305 at	0.956 at	0.956 at
100	= 16.377	= 16.29485	= 16.39503	= 16.39531	0.502 at	0.110 at	0.112 at
	= 2.327	= 2.27106	= 2.28688	= 2.28691	2.404 at	1.724 at	1.723 at