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Multilevel inverters with a large number of steps can generate high quality voltage waveforms, good enough to be considered as suitable voltage source generators. A modified Sinusoidal Pulse Width Modulation (SPWM) modulator with phase disposition that increases output waveform up to 7-level while reducing output harmonics is presented in this paper. The proposed modulation technique can easily be...
A comparison of sinusoidal pulse width modulation (SPWM) and selective harmonic elimination (SHE) in a multicell DC/AC converter is presented. The genetic algorithm finds the existence optimal solution set of switching angles for each required harmonic profile. The dc links of each full bridge cell are supplied by individual high frequency DC-DC isolation stages which are connected in parallel considering...
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