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

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.
Authors:
; ; ;
Publication Date:
OSTI Identifier:
1252400
Report Number(s):
NREL/CP-5D00-66401
DOE Contract Number:
AC36-08GO28308
Resource Type:
Conference
Resource Relation:
Conference: Presented at the 2015 IEEE Energy Conversion Congress and Exposition (ECCE), 20-24 September 2015, Montreal, Quebec, Canada; Related Information: Proceedings of the 2015 IEEE Energy Conversion Congress and Exposition (ECCE), 20-24 September 2015, Montreal, Quebec, Canada
Publisher:
Piscataway, NJ: Institute of Electrical and Electronics Engineers (IEEE)
Research Org:
NREL (National Renewable Energy Laboratory (NREL), Golden, CO (United States))
Sponsoring Org:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Wind and Water Technologies Office (EE-4W)
Country of Publication:
United States
Language:
English
Subject:
17 WIND ENERGY; 24 POWER TRANSMISSION AND DISTRIBUTION E-Core machine; flux-concentrating