Hysteresis Optimization and Power Converter Research of Direct Instantaneous Torque Control for SRM

To improve the torque ripple and efficiency in the commutation of switched reluctance motor (SRM) during direct instantaneous torque control (DITC), a new four-level power converter circuit with a hysteresis optimization scheme for DITC is presented. The power converter structure and hysteresis control improvement scheme are analyzed. A fast demagnetization state is added and the current drop rate is increased based on the commonly used asymmetric half-bridge power conversion circuit. Based on the characteristic of SRM inductance and current variation, the commutation is divided into two regions, and then a reasonable voltage state is selected in the corresponding region according to the characteristic of the torque and current in each region and the optimization purpose. A simulation model is built on MATLAB to compare with traditional DITC. The effectiveness of the proposed strategy is verified.


  • English

Media Info

  • Media Type: Web
  • Edition: 1
  • Features: References;
  • Pagination: pp 355-362
  • Monograph Title: Proceedings of the 5th International Conference on Electrical Engineering and Information Technologies for Rail Transportation (EITRT) 2021: Novel Traction Drive Technologies of Rail Transportation

Subject/Index Terms

Filing Info

  • Accession Number: 01880494
  • Record Type: Publication
  • ISBN: 9789811699047
  • Files: TRIS
  • Created Date: Apr 21 2023 9:51AM