A Hybrid Maximum Power Point Tracking Approach for Photovoltaic Systems under Partial Shading Conditions Using a Modified Genetic Algorithm and the Firefly Algorithm

Table 12

Evaluation results of the tracking speed and tracking accuracy.

Pattern	Algorithm	Iterations		Time (s)		Error (%)
		Average	SD	Average	SD	Average	SD
Pattern number 1	GA	14.61	0.81	0.032	0.033	5.18	1.42
	FA	13.5	0.98	0.028	0.058	3.51	0.69
	Proposed method	5.25	2.19	0.026	0.011	2.46	4.61
Pattern number 2	GA	11.54	1.29	0.374	0.064	3.44	1.9
	FA	12.76	2.12	0.116	0.041	2.83	1.66
	Proposed method	6.62	2.52	0.107	0.007	4.06	3.48
Pattern number 3	GA	18.73	2.2	0.301	0.22	10.98	2.11
	FA	9.97	1.54	0.257	0.032	6.03	1.84
	Proposed method	7.22	2.15	0.041	0.027	3.84	6.06
Pattern number 4	GA	24.52	10.09	0.497	0.385	9.35	2.02
	FA	13.82	4.06	0.314	0.08	1.53	0.08
	Proposed method	6.29	6.88	0.242	0.067	1.25	0.77
Pattern number 5	GA	12.03	0.75	0.367	0.071	4.34	2.53
	FA	10.9	1.25	0.131	0.013	4.54	2.71
	Proposed method	6.06	2.1	0.079	0.018	1.86	4.78
Pattern number 9	GA	17.17	1.73	0.174	0.268	8.12	4.65
	FA	18.6	2.93	0.091	0.218	9.08	1.73
	Proposed method	6.2	1.86	0.04	0.297	2.99	11.42