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This paper illustrates the implementation of the direct torque control (DTC) strategy for induction motor (IM) drive using carrier space vector pulse width modulation technique. In the present work, the algorithm used for DTC based control of IM is Carrier Space Vector Pulse Width Modulation (CSVPWM) technique. A comparison of performance between standard and carrier based SVPWM techniques have been...
In the present work a novel strategy for optimum design of flux and torque controller for carrier space vector pulse width modulation based direct torque control (CSVPWM DTC) of induction motor (IM) drive has been implemented. Two positive and one negative torque slope levels per half the switching period has been predicted for CSVPWM DTC IM drive based on which a new optimal control strategy is proposed...
Present work shows the merits of space vector modulation direct torque control (SVPWM DTC) over the conventional direct torque control (conventional DTC). SVPWM DTC technique is helpful in solving the basic issues of torque ripple and variable switching frequency present in the conventional DTC. Three PI controllers one each for speed, torque and flux feedback loops is used in SVPWM DTC based IM drive...
This paper presents the work in continuation with part-I. Present work deals with the basic issues associated with the direct torque control (DTC) of induction motor drive. The work is focused to reduce the electromagnetic torque ripple using the concept of multirate sampling. DTC based induction motor drive is simulated using space vector modulation incorporating the multirate sampling. It is also...
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