Development of Wind-Powered Smart Transition Electric Vehicle Charging Station

Table 2

FFT and THD analysis of different current and voltage signal.

THD	7.04%	31.12%	0.93%	3.65%	2.08%	1.46%
Harmonic orders	Values in dB
Fundamental (50 Hz)	47.29	33.96	47.2	53.27	47.22	44.18
2nd			−7.9
4th						−5.13
5th	20.26	19.32	−7	17.5	12.9
7th	18.4	16.34	2.48		−0.28
11th	9.3	11.62			−13.5
13th	9.12	10.65	−1.09			−0.157
17th	8.6	8.95	−12.85		−18.7
19th	8.16	8.19		9.6
23rd	6.83	6.55
25th	5.93	5.77	−10.46	6.8
29th	3.4	3.95
41st				2.42
43rd				2.58
47th				−0.22
49th			−16.26	1.19