Advanced dynamic modeling of three-phase mutually-coupled switched reluctance machine

Jianning Dong, Brock Howey, Benjamin Danen, Jianing Lin, James Weisheng Jiang, Berker Bilgin, Ali Emadi

Research output: Contribution to journalArticleScientificpeer-review

15 Citations (Scopus)
71 Downloads (Pure)

Abstract

This paper proposes an advanced dynamic modelling approach of the mutually coupled switched reluctance motor (MCSRM) in the dq reference system that can consider saturation, cross-coupling, and spatial harmonics. Different topologies and their operating principles are investigated and an idealized dq -model considering the inductance harmonics is derived. A dynamic model is built based on flux-current lookup tables (LUTs) obtained from finite element analysis (FEA). A simplified method to inverse the two-dimensional LUTs is proposed. A fast computation approach is used to reduce the number of FEA simulations and calculation time to obtain the LUTs. Motor dynamic performances at different speeds are simulated by using the proposed dynamic model and the results are investigated and verified by FEA. The motor dynamic behavior can be accurately obtained in a short simulation time by using the proposed approach. Experiments are carried out on a 12/8 MCSRM, showing good accuracy of the proposed model.
Original languageEnglish
Pages (from-to)146-154
Number of pages9
JournalIEEE Transactions on Energy Conversion
Volume33
Issue number1
DOIs
Publication statusPublished - 2018

Keywords

  • Dynamic modelling
  • finite-element method
  • inductance
  • mutual coupling
  • switched reluctance machine

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