alexa Torque Ripple Reduction in SVM Based Direct Torque Control of Induction Motor | Abstract
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Direct Torque Control (DTC) is one of the excellent control strategies of torque and flux control in induction machine. The hysteresis comparators are used to compensate the error between estimated and reference torque and flux. The major problems aroused in DTC drives are steady state torque and flux pulsations. This paper presents a new strategy to direct torque control of induction motor drive based on new space vector modulation. It can reduce steady state torque, flux, current, and speed pulsations. In the proposed approach, the error between the estimated and reference torque and flux will be compensated by generated space voltage vector. Complexity in time duration is minimised by measuring sector local angle. The performance of the proposed control method is simulated using MATLAB/SIMULINK. It is concluded that the proposed method produces less torque and flux ripple in steadystate operation than the classical DTC

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Author(s): D.Kousalya, N. Manoj Kumar

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