Abstracto

DTC of Switched Reluctance Motor Drive Using Simplified Torque Equation

P.Srinivas

Due to double saliency structure of Switched Reluctance Motor (SRM) torque ripple is high, which causes vibration and noise. The torque ripple can be minimized by a novel control technique called Direct Torque Control (DTC). In DTC technique, torque is controlled directly through control of magnitude of the flux and change in speed of the stator flux vector. The flux and torque are maintained within set hysteresis bands. When the design specifications of the motor are not disclosed by the manufacturer, the torque is computed by Simplified Torque Equation. The torque ripple minimization of SRM drive with DTC is analyzed by computing torque with Simplified Torque Equation.