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چکیده
The Direct Torque Control (DTC) is a high-dynamic and high performance control technique for induction motor drives which has been developed in the last two decades [1]-[8] as possible alternative solution to DC servo drives. In direct-torque-controlled adjustable speed drives the motor flux and the electromagnetic torque are the reference quantities which are directly controlled by the applied inverter voltage vector. At any cycle period, accordingly to the position of the motor flux space vector and the output signals of a flux and a torque hysteresis comparators the most opportune inverter switching state is selected. The main advantages of the basic DTC scheme are:
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