A LabVIEW based Variable Frequency Drive for Voltage Source Inverter Fed Induction Motor

Abstract

A low-cost Variable Frequency Drive (VFD) is designed and is tested to drive an Induction Motor (IM) by varying the frequency and voltage supplied to it. A Sinusoidal Pulse Width Modulation (SPWM) control technique has been implemented to drive the motor. It has been developed with the support of LabVIEW software tools using the NI MyRIO-1900 controller. The performance of the designed VFD is verified and the results are presented here by conducting a few experiments.