Comparative Analysis of Direct Torque Control and Fuzzy Logic Control of Three Phase Induction Motor

Maruti Nandan Mishra


Induction motors are the starting point to design an electrical drive system which is widely used in many industrial applications. With the joint progress of the power electronics and numerical electronics it is possible today to deal with the axis control with variable speed in low power applications. The direct torque control scheme provides excellent properties of regulation without rotational speed feedback. In this paper, Induction motor has been simulated in stationary d-q reference frame and its free acceleration characteristics are drawn. To reduce the ripple in current and voltage waveform space vector PWM method and fuzzy logic control is also implemented. 

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