Design of a Modular E-Core Flux Concentrating Axial Flux Machine

Eduard Muljadi, Tausif Husain, Yilmaz Sozer, Iqbal Husain

Research output: Contribution to conferencePaper

14 Scopus Citations


In this paper a novel E-Core axial flux machine is proposed. The machine has a double stator-single rotor configuration with flux concentrating ferrite magnets, and pole windings across each leg of an E-Core stator. E-Core stators with the proposed flux-concentrating rotor arrangement result in better magnet utilization and higher torque density. The machine also has a modular structure facilitating simpler construction. This paper presents a single phase and a three-phase version of the E-Core machine. Case study for a 1.1 kW, 400 rpm machine for both the single phase and three-phase axial flux machine is presented. The results are verified through 3D finite element analysis.
Original languageAmerican English
Number of pages8
StatePublished - 2015
Event2015 IEEE Energy Conversion Congress and Exposition (ECCE) - Montreal, Quebec, Canada
Duration: 20 Sep 201524 Sep 2015


Conference2015 IEEE Energy Conversion Congress and Exposition (ECCE)
CityMontreal, Quebec, Canada

Bibliographical note

See NREL/CP-5D00-64748 for preprint

NREL Publication Number

  • NREL/CP-5D00-66401


  • E-Core machine
  • flux-concentrating


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