in cascade reduced switched multilevel inverter topology. i am searching for universal pwm technique that can be generated by switching table and apply to MLI.
Simply add triangle generator with a lag with each other, if the levels augmet you been obliged to Add another triangle generator is how each level you add triangle generator.
There are many generalised pwm techniques. The simplest one is generated by comparing reference voltage with n-1 triangular carriers , for an n level inverter. The generalised technqiues for spacevector pwm are also available in literature.