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In this paper an investigation of the synchronous machine behavior during a field short-circuit as the generator is connected to the 50 Hz grid is presented. The behavior analysis has been carried out using the Finite Element Method (FEM) for two cases. In the first one the rotor speed is held constant and equal to the synchronous one, while in the second case the rotor speed is controlled by a PI-controller...
This work presents a real time optimum flux adjustment fuzzy controller is cooperated with Direct Torque Control (DTC) adjustable speed drive (ASD) for ac Induction motors, in order to achieve the motor drive loss minimization while meeting the load and speed demands. The proposed control scheme includes a DTC controller, a speed controller and an optimum flux adjustment fuzzy control system. The...
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