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DYNAMIC SIMULATION OF DIRECT TORQUE CONTROL OF INDUCTION MACHINE
Rajesh Sharma*

A novel technique of controlling induction motor, called direct torque control, which controls both electromagnetic torque and flux directly and independently, is the topic of this work. The evolution of direct torque control from other prevalent control strategies has been outlined. A dynamic model of direct torque control scheme for an induction machine in motoring as well as generating mode has been developed using SIMULINK / MATLAB (application software). Simulation has been carried out for various dynamic operating conditions such as starting, load perturbation and reference speed change and computer traces have been presented. Thus, this work may be the first step towards a bigger venture of physical realization of the scheme.


* Mr. Rajesh Sharma is presently working as Supdt. (O&M) in Tanda Thermal Power Station of NTPC. His communication address is Tanda Thermal Power Station, P.O. Vidyutnagar -231222, Distt. Ambedkarnagar (U.P.).
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E-mail : rsharmaiit@yahoo.com
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