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Modulation and Control of Multilevel Inverter Fed DTC Induction Motor Drive

並列摘要


In this paper, a new switching table for Direct Torque Control (DTC) of a nine-level Multi Point Clamped (MPC) Voltage Source Inverter (VSI) fed induction motor drive is proposed. A Nine level inverter has 729 switching states and there are 217 effective vectors are possible. The proposed multi level inverter drive scheme is capable for enough degrees of freedom to control both electromagnetic torque and stator flux with very low ripple and high dynamic speed response. From the simulation results shows that feeding electrical drive with multi level inverter can greatly improves the drive performance. The performance of this control method has been demonstrated by simulations performed using a versatile simulation package, Matlab/Simulink.

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