The key of improve mli.

1. Reduce power electronic component

2. Reduce THD

3. Reduce power loss

4. Easy for programing

There is an elaborate theoretical study of the multi level inverters.

It may be very useful to you and show you what are optimum operating conditions

of the circuit. One has to compromise the number of levels to to lower the switching losses and the harmonic losses.

Article “Computer-aided analysis of stepped sine wave inverters

Thank you@Abdelhalim_Zekry.

Harmonics and switching losses