Implementation of the ISPWM-DPWM-S2 technique on a microcontroller

In this paper, we implemented on a microcontroller a modified-wave reference signal (DPWM-S2) modulated by an Inverted Sine Pulse Width Modulation (ISPWM). The microcontroller commands a three-phase asynchronous motor by means of a three-phase inverter. The results obtained from the practical application were compared to the ones obtained from a practical application using the reference signal (DPWM-S2) modulated by a triangular (classic) signal.