SPWM for 9 levels converter implemented in three platforms: Discrete circuit, low cost microcontroller and real-time

Abstract

Multilevel converters are widely used with didactic purposes and for many applications where a CD-CA converter is required, such as: renewable energy systems, audio amplifiers and voltage amplifiers for electrical equipment testing. In this work, the implementation of a 9 Levels SPWM technique for a multilevel converter is shown. Three different platforms were implemented: discrete circuit, low cost microcontroller and a real time platform. The advantages and disadvantages of each platform are also described.