EURASIP Journal on Wireless Communications and Networking

Table 4 Comparison of THD, switching angles, phase delay, and low-order odd harmonics of five-level inverter obtained by step modulation method and optimization technique

From: Minimization of total harmonic distortions of cascaded H-bridge multilevel inverter by utilizing bio inspired AI algorithm

Switching angles, degrees				THD (%)
Stepped modulation		Genetic algorithm		Stepped modulation		Genetic algorithm
θ₁	θ₂	θ₁	θ₂	17.88		16.74
14.47	48.59	12.89	42.76
Phase delay, seconds				Low odd order harmonics (%)
Stepped modulation		Genetic algorithm		Stepped modulation		Genetic algorithm
V	2 V	V	2 V	Third	Fifth	Third	Fifth
0.0008	0.0026	0.0007	0.0023	3.24	3.7	0.84	3.3

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