The device that converts DC voltage to AC voltage is an inverter. Output voltage should ideally be a sinusoidal wave of variable magnitude and variable frequency. An inverter does the opposite job of a rectifier. Electronic inverters can produce smoothly varying AC output from a DC input. The need for a multilevel converter is to provide high output power from a medium-voltage source. The multi-level inverter consists of several switches. 1. The devices with lower ratings can generate higher voltage. 2. An increase in the number of voltage. The most common type of inverter that generates AC voltage from DC voltage is a two-level inverter. A two-level inverter creates two different voltages for the load, i.e., suppose we are.