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The Direct Torque Control (DTC) method is basiically a performance enhanced scalar control method. The mmain features of DTC are direct control of flux and torque by the selection of optimum inverter switching vector, indire ect control of stator current and voltages, approximately sinusoiidal stator flux and stator currents and high dynamic perfo ormance even at standstill. The advantages of DTC...
The conventional approach for independent control of active and reactive powers handled by the machine is stator flux oriented vector control with rotor position sensors. The performance of the system in this case depends on the accuracy of computation of the stator flux and the accuracy of the rotor position information derived from the position encoder. In vector control, power is controlled by...
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