Identification of the Dominant Harmonic Source Type in the Distribution Network Using the Soft Computing Technique

Table 7

FFT and DWT results of the thyristor-controlled load.

Node position	FFT values achieved for the proposed approach					DWT values achieved for the proposed approach
	3^rd harmonic	5^th harmonic	7^th harmonic	9^th harmonic	11^th harmonic	F s = 877 Hz	F s = 1169 Hz	F s = 1461 Hz	F s = 2046 Hz	F s = 2630 Hz	F s = 3215 Hz
A	−0.18	−0.069	−0.105	−2.9 × 10^−2	−0.0156	−0.16	−0.192	−0.0498	−0.16	−0.016	−0.0157
B	−2.204	−0.425	−0.158	−0.148	−0.064	−2.12	−2.15	−0.06069	−0.14	−0.1447	−0.0438
C	−6.13	−1.206	−0.528	−0.42	−0.197	−6.13	−7.5	−1.65	−0.686	−0.39	−0.1128
D	2.508	0.819	0.16	0.074	0.102	2.418	3.2	0.809	0.162	0.068	0.109
Y	0.939	0.2098	0.06	0.022	0.03	0.899	1.18	0.3093	0.041	0.021	0.0218