A variable voltage variable frequency drive for open loop control of three phase Induction motor is presented. The modulation index of the driving PWM pulses is varied in such a way to keep the V/F ratio or winding flux at the rated level with varying dc-link voltage.
Rajesh Farswan (2020). VVVF Open loop control three phase IM (https://www.mathworks.com/matlabcentral/fileexchange/72840-vvvf-open-loop-control-three-phase-im), MATLAB Central File Exchange. Retrieved .