Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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A Hybrid DTC-DSC Drive for High Performance Induction Motor Control

  • Jidin, Auzani (Dept. of Power Electronics and Drives, FKE, Universiti Teknikal Malaysia) ;
  • Idris, Nik Rumzi Nik (Dept. of Energy Conversion, FKE, Universiti Teknologi Malaysia) ;
  • Yatim, Abdul Halim Mohamed (Dept. of Electrical Engineering, Universitas Ahmad Dahlan) ;
  • Sutikno, Tole (Dept. of Electrical Engineering, Universitas Ahmad Dahlan) ;
  • Elbuluk, Malik E. (Dept. of Electrical Engineering, University of Akron)
  • Received : 2010.10.20
  • Published : 2011.09.20
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Abstract

This paper describes a hybrid induction motor drive system incorporating DTC-hysteresis and Direct Self Control (DSC) schemes to achieve excellent dynamic performance. The control scheme is switched from a circular to a hexagonal flux locus whenever a dynamic condition is encountered. On the other hand, when the motor operates under steady state conditions, a circular flux locus is used. Without major modifications to the simple structure of a basic DTC, hexagonal flux locus operation is established by modifying the flux error status, before it is fed to the look-up table. The feasibility of the proposed hybrid scheme to achieve excellent control performance is verified by experimental results.

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References

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