Bahram Ramezani - Department of Electrical Engineering, Miyaneh Branch, Islamic Azad University, Miyaneh, Iran

This paper presents the simulation studies on closed-loop speed control for 3-phase Induction Motor by applying V/F method. This induction motor is fed by three and five-level diode clamped voltage source inverter (VSI). Sinusoidal pulse with modulation technique is used to control inverter powerswitches. The harmonics of phase current is analyzed. Then Selective harmonics is eliminated by comparison of sine wave with modified triangle carrier. In this method, we could eliminate selective harmonics with no need to complex equations solving

Voltage Source Inverter (VSI), Voltage Source Inverter (VSI), Total Harmonic Distortion (THD)