Abstract

The main interest of this study has been granted to the selective harmonic eliminated pulse width modulation technique, SHE PWM, for the control of single-phase and three-phase full-bridge three-level inverters. This study makes for any angle number (even or odd) of switches that composes the inverter, for purpose of comparison with the results found for only odd number. We explain the resolution method procedure of the nonlinear equation systems in order to achieve the appropriate switching angles. The method of obtaining the best starting point is also described to overcome the problem of the choice of these points, which is one of most difficult tasks associated with the SHE PWM. Finally we validated the obtained results through some simulations by using MATLAB package.

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