This is a general calculator for finding single-phase and three-phase Magic Sinewave (three-level PWM) pulse solutions of all classes.
It uses Don Lancaster's convention for pulse and harmonic variable names (i.e., p1s, p1e, p2s, ... , and h1, h3, ...).
Don Lancaster's documentation and calculators can be found here: www.tinaja.com/magsn01.shtml
And, my contributions can be found here: ackrman.net/ms
Once you have established edge angles*
and harmonic constraints, click the "Improve" button (above) to attempt to converge on a solution.
these examples can be preloaded:
text to start from scratch
this calculator does not do initial estimates. When investigating potential new Magic Sinewave classes, initial estimates should be derived from theory.