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Direct torque control – the world’s most advanced AC drive technology. The purpose of this technical guide is to explain what DTC is; why and how it has evolved; the basic theory behind its success; and the features and benefits of this new technology. Table of contents. 04. 05 – 12. 06 – 07. 07 – 09. 10 – 11. 12 – 16. 17 – 25. 17 – 18. 18 – 22.
- Direct Torque Control principle
Direct Torque Control (DTC) is an optimised AC drives...
- Direct Torque Control principle
Direct Torque Control (DTC) is an optimised AC drives control principle where inverter switching directly controls the motor variables: flux and torque. The measured input values to the DTC control are motor current and voltage .
In Direct Torque Control it is possible to control directly the stator flux and the torque by selecting the appropriate inverter state. Its main features are as follows [LUD 1] [VAS 2]: Direct torque control and direct stator flux control. Indirect control of stator currents and voltages.
The direct torque control (DTC) was proposed as an alternative to the vector control in the middle of 1980s for AC machine control. This strategy bases on the direct determination of inverter switching states and offers a simpler scheme and less sensitivity to machine parameters.
DIRECT TORQUE CONTROL FOR INDUCTION MOTOR DRIVES MAIN FEATURES OF DTC • Decoupled control of torque and flux • Absence of mechanical transducers • Current regulator, PWM pulse generation, PI control of flux and torque and co-ordinate transformation are not required • Very simple control scheme and low computational time
24 sty 2020 · The direct torque control (DTC) was proposed as an alternative to the vector control in the middle of 1980s for AC machine control. This strategy bases on the direct determination of inverter...
This book deals with the design and analysis of Direct Torque Control (DTC). It introduces readers to two major applications of electrical machines: speed drive and
