Induction Motor Multiscalar Model Based Sensorless Control Using Power Measurement

In the proposed paper a sensorless control system of induction motors with power measurement and nonlinear stator oriented is introduced. The state variables are computed in a simple way using power measurement. The idea is applied in a nonlinear stator oriented control system using nonlinear feedback. Our solution is to use the new multiscalar model based (MM) for sensorless drive with power measurement. The real time simulation results will be experimentally verified. In the experimental implementation a 22 kW induction motor is used. The whole control scheme (including multiscalar control, speed computation and space vector PWM) are implemented on a floating point DSP (digital signal processor) and FPGA (field programmable gate arrays).