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The fuzzy logic controller is used to reducing the torque and flux ripples and it improve performance DTC especially at low speed. This paper presents an improved Direct Torque Control (DTC) of induction motor. DTC drive gives the high torque ripple. In DTC induction motor drive there are torque and flux ripples because none of the VSI states is able to generate the …
Aug 22, 2021 · With this algorithm has been proposed algorithm, direct torque control of induction motor thesis is designed for a conventional direct torque. GP problem at generation zero. Dtc provides a sensorless control scheme with pi in the torque control of direct induction motor with saturation and assign a much reduced.
The simulation studies proved that the induction motor torque ripples have been reduced remarkably with the proposed method and this approach can be a good alternative to the conventional DTC method for induction motor control. KEYWORDS Direct torque control, induction motor control, Artificial neural networks 1. INTRODUCTION
Direct Torque Controller. Direct torque control (DTC) is a technique that allows you to instantaneously control the motor magnetic flux and its electromagnetic torque in a decoupled way. Controlling the torque directly permits accurate static and dynamic speed regulation. The main components of the DTC subsystem are
At 1.5 s, a load torque of 500 N.m is applied to the motor. The DTC control operates to maintain the motor speed at 1500 RPM. At 2 s, the load torque is reduced to 50 N.m and at 2.5 s, the speed reference is reduced to 500 RPM. Observe on Scope 1 that the braking chopper operation dissipates the kinetic energy produced by the motor in order to
Apr 14, 2015 · As for control at very low motor speeds, DTC provides torque down to zero speed—without (or with) speed feedback, as well as a position control feature when using an encoder. The foregoing performance values refer specifically to induction motor control. Beyond induction motors DTC was originally developed for AC induction motors
This method is called direct torque control (DTC), which was proposed by Isao Takashi and Noguchi . DTC method is simpler in structure configuration and easy to control the induction machine in aspect of the dynamic performance response . The initial concept of controlling the performance of the motor is taken from field oriented control
An IM is a type of asynchronous AC motor where power is supplied to the rotating device by means of electromagnetic induction [2-5]. Induction motors are widely used, especially polyphase induction motors, which are frequently used in industrial drives. These facts are due to the induction motors advantages over the rest of the motors.
Apr 30, 2016 · Direct Torque Control of Induction Motor (DTC) Ask Question Asked 6 years, 2 months ago. Modified 6 years, 2 months ago. Viewed 185 times -2 $begingroup$ I was working on a project on how to design a classical Direct Torque Control drive DTC but there is a ceratin point that i can't understand. How can we calculate the Reference values of
Sep 27, 2021 · It allows very precise control over speed or torque in three-phase alternating current induction motors. The electrical current/motor torque relationship is linear with DTC: if the current is increased by 200%, the torque will increase in the same proportion; in motors without DTC the relation is not linear, and a maximum torque of 150% is reached.
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