Power Enhancement under Partial Shading Condition Using a Two-Step Optimal PV Array Reconfiguration

Table 3

Estimation of performance indices for shading patterns 1–8.

Configuration		Voltage (V)	Current (I)	Power generation (W)	Mismatch loss (W)	Power loss (%)
Shading pattern 1	Structure 1	108.7	65.78	7148	1175	14.11
	Structure 2	104.8	72.52	7603	720	8.65
	Structure 3	106	72.24	7658	665	7.98
	The proposed method	103.8	75.8	7879	444	5.33
	Structure 5	108.9	65.64	7148	1175	14.11
	Structure 6	106.3	72.65	7719	604	7.25
Shading pattern 2	Structure 1	81.9	79.87	6542	1781	21.39
	Structure 2	81.9	79.87	6542	1781	21.39
	Structure 3	108.8	60.92	6632	1691	20.31
	The proposed method	105	69.78	7355	968	11.63
	Structure 5	82.1	79.8	6542	1781	21.39
	Structure 6	103.9	70.78	7355	968	11.63
Shading pattern 3	Structure 1	108.7	60.31	6555	1768	21.24
	Structure 2	104.2	69.9	7284	1039	12.48
	Structure 3	108.7	60.93	6620	1703	20.46
	The proposed method	104.3	70.17	7319	1004	12.06
	Structure 5	106.3	64.54	6860	1463	17.58
	Structure 6	105.4	68.86	7239	1084	13.02
Shading pattern 4	Structure 1	85.45	54.11	4731	3592	43.15
	Structure 2	105.1	57.44	6034	2289	27.5
	Structure 3	111.2	45.5	4948	3375	40.55
	The proposed method	104.8	61.56	6454	1869	22.45
	Structure 5	85.6	54.01	4731	3592	43.15
	Structure 6	106.6	75.79	6410	1913	22.98
Shading pattern 5	Structure 1	84.8	67.86	5754	2569	30.86
	Structure 2	84.8	67.86	5754	2569	30.86
	Structure 3	106.9	62.36	6667	1656	19.89
	The proposed method	103.8	67.4	7003	1320	15.85
	Structure 5	84.6	68.03	5753	2570	30.87
	Structure 6	107.3	78.7	6801	1519	18.28
Shading pattern 6	Structure 1	107.3	60.23	6463	1860	22.34
	Structure 2	106.3	62.04	6592	1731	20.79
	Structure 3	107.7	60.8	6553	1766	21.26
	The proposed method	104	65.69	6923	1400	16.82
	Structure 5	105.3	63.6	6703	1620	19.46
	Structure 6	106.7	63.25	6752	1571	18.87
Shading pattern 7	Structure 1	86.5	54.07	4674	3649	43.84
	Structure 2	109.8	48.93	5399	2924	35.1
	Structure 3	110.7	44.88	4921	3402	40.8
	The proposed method	106.2	56.7	6020	2303	27.6
	Structure 5	86.7	53.91	4674	3649	43.8
	Structure 6	108.1	54.09	5848	2475	29.7
Shading pattern 8	Structure 1	112	48.99	5487	2836	34.07
	Structure 2	105.4	63.93	6736	1587	19.06
	Structure 3	110.2	53.99	5950	2373	28.51
	The proposed method	104.9	66.58	6985	1338	16.07
	Structure 5	108.7	56.1	6099	2224	26.72
	Structure 6	108.7	61.04	6636	1687	20.26