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Direct Torque Control of Three Phase Induction Motor FED with Three Leg Inverter Using Proportional Controller

Bijay Kumar Mudi, Sk. Rabiul Hossain,Sibdas Mondal, Prof. Gautam Kumar Panda, Prof. Pradip Kumar Saha

The proposed control is implemented on a prototype of 3 Phase Induction Motor, which has a standard Induction motor drive and the experimental results show that the torque response is extremely fast. A new DTC for 3 Phase Induction Motor which feature in low torque and low flux ripple. Direct torque control of 3 Phase Induction Motor is done by MATLAB/SIMULINK MODEL BASED ON POWER SYSTEM BLOCKSET. Simulation shows the flux and torque ripples are greatly reduced. Also, Proportional Controller is used to emulate the state selector of conventional DTC. The training algorithm used for this purpose is back propagation. The Training data are taken from the conventional DTC.