speed control of an induction motor by 6-switched 3-level inverter
;Saygin Ali;Kerem Alper
Evaluation and program planning2017Vol. 15pp. 1072-1076
133
ali2017openspeed
Abstract
This paper presents speed control analysis of an induction motor by a 6-switched 3-level inverter. In the analysis of topology, the study used the field oriented control technique which is widely used in the literature, easy and stable for operating systems. The field weaking technique was used for speeds exceeding nominal speed to reduce magnetic saturation and thermal losses. At the end of the process, it was observed to increase motor torque and inverter efficiency. Instead of using 12 switches in conventional 3-level inverters, 6 switches are used in this topology. Reduced number of switches is the greatest contribution of this study.