Predictive compensation of dead-time effects in VSI feeding induction motors

A predictive algorithm is presented in this paper, which;allo rvs the compe nsation of the dead-time effects in a voltage-source inverter feeding an in duction motor, with space-vector pulsewidth modulation. It is based on the modification of the reference space vector of the feeding voltage according to a step-by-step analytical prediction of the stator phase currents, In t his way, the effects of the dead time can be taken into account and compens ated. The validity and feasibility of the proposed algorithm are confirmed by simulation and proved by experimental implementation.