PLL Based Energy Efficient PV System with Fuzzy Logic Based Power Tracker for Smart Grid Applications

Table 5

Comparison of single, interleaved, and three-stage converters.

											Power loss	Efficiency
Single-stage
10%	21.41	1.04	0.93	20.78	19.93	0.08	0.02	0.00	0.33	0.15	0.85	95.91
20%	24.16	1.32	1.05	26.47	25.38	0.18	0.00	0.01	0.66	0.38	1.08	95.91
30%	27.69	1.74	1.20	34.74	33.34	0.31	0.05	0.01	0.99	0.75	1.40	95.96
40%	32.37	2.37	1.41	47.44	45.55	0.48	0.07	0.02	1.32	1.36	1.89	96.02
50%	38.85	3.42	1.69	68.35	65.62	0.72	0.08	0.03	1.64	2.43	2.73	96.01
60%	48.39	5.32	2.10	106.36	101.81	1.07	0.10	0.05	1.95	4.51	4.55	95.72
70%	63.67	93.16	2.77	186.33	176.29	1.63	0.11	0.07	2.22	9.06	10.04	94.61
80%	91.18	19.96	3.96	399.28	361.51	2.67	0.12	0.12	2.40	21.14	37.76	90.54
90%	142.95	62.39	6.22	1247.89	888.70	4.68	0.10	0.20	2.06	58.20	359.19	71.22
Two-stage
10%	21.38	1.04	0.93	20.88	19.94	0.10	0.03	0.001	0.59	0.07	0.94	95.51
20%	24.18	1.33	1.05	26.69	25.42	0.07	0.05	0.001	1.00	0.15	1.27	95.24
30%	27.73	1.76	1.21	35.14	33.43	0.09	0.06	0.001	1.14	0.22	1.71	95.14
40%	32.45	2.41	1.41	48.10	45.78	0.08	0.04	0.001	0.88	0.23	2.32	95.17
50%	39.02	3.47	1.70	69.46	66.19	0.01	0.00	0.001	0.00	0.02	3.26	95.30
60%	48.78	5.42	2.12	108.43	103.45	0.18	0.07	0.01	1.32	0.78	4.97	95.41
70%	64.73	9.56	2.81	191.29	182.19	0.48	0.13	0.02	2.60	2.71	9.10	95.24
80%	94.98	20.95	4.13	419.04	392.24	1.05	0.19	0.05	3.79	8.68	26.80	93.60
90%	166.48	72.96	7.23	1458.08	1202.82	2.11	0.22	0.11	4.36	35.18	255.26	82.49
Three-stage
10%	21.42	1.05	0.93	20.97	19.94	0.02	0.04	0.001	0.78	0.04	1.03	95.09
20%	24.19	1.35	1.05	26.90	25.43	0.03	0.05	0.001	1.00	0.07	1.47	94.54
30%	27.74	1.78	1.21	35.50	33.46	0.02	0.02	0.001	0.43	0.04	2.04	94.24
40%	32.47	2.43	1.41	48.67	45.85	0.04	0.04	0.001	0.89	0.11	2.83	94.20
50%	39.08	3.52	1.70	70.36	66.39	0.08	0.08	0.001	1.66	0.29	3.97	94.35
60%	48.92	5.50	2.13	109.93	104.03	0.08	0.07	0.001	1.32	0.35	5.90	94.63
70%	65.09	9.71	2.83	194.22	184.26	0.08	0.05	0.001	0.98	0.46	9.97	94.87
80%	96.32	21.40	4.19	428.07	403.36	0.48	0.19	0.02	3.86	4.01	24.71	94.23
90%	175.91	77.43	7.65	1548.52	1345.42	1.51	0.30	0.07	6.10	23.06	203.10	86.88