On the Pole Pair Selection of Synchronous Reluctance Machines for Traction Applications

Oǧuz Korman, Mauro Di Nardo, Michele Degano, Chris Gerada, Gianvito Gallicchio, Francesco Cupertino

Research output: Chapter in Book/Conference proceedingConference contributionpeer-review

Abstract

This paper presents a design methodology for synchronous reluctance (SyR) machines aimed for traction applications considering the usually neglected electromagnetic and mechanical phenomena, namely cross-coupling and structural ribs effect, slot leakage flux and iron losses. Being the bottleneck of analytical methods, accuracy is improved by conducting a limited number of finite element analysis (FEA) and calibrating the initial model. This semi-analytical model is then used to design SyR machines with different number of poles and rated speeds. Maximum speed operation is also considered, reflected through adjusted mechanical ribs dimensions. Torque and power factor of the machines providing the maximum torque with increasing number of poles and maximum speeds are presented and investigated. Results reveal that the optimal pole number from a torque perspective depends on the considered speed. The reasons behind this behaviour is fully investigated as well as how and why the optimal geometry change when considering different number of poles and maximum speeds.

Original languageEnglish
Title of host publication2022 International Conference on Electrical Machines, ICEM 2022
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2114-2120
Number of pages7
ISBN (Electronic)9781665414326
DOIs
Publication statusPublished - 2022
Event2022 International Conference on Electrical Machines, ICEM 2022 - Valencia, Spain
Duration: 5 Sep 20228 Sep 2022

Publication series

Name2022 International Conference on Electrical Machines, ICEM 2022

Conference

Conference2022 International Conference on Electrical Machines, ICEM 2022
Country/TerritorySpain
CityValencia
Period5/09/228/09/22

Keywords

  • Electrical load
  • finite element analysis
  • high speed
  • iron losses
  • iron ribs
  • magnetic load
  • rotor design
  • synchronous reluctance machine

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Mechanical Engineering

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