An Analytical Subdomain Model for Dual-Rotor Permanent Magnet Motor with Halbach Array

Dmitry Golovanov, Chris Gerada

Research output: Journal PublicationArticlepeer-review

12 Citations (Scopus)

Abstract

This article describes the development of an exact analytical model for predicting magnetic field distribution within active parts of a dual-rotor (DR) permanent magnet (PM) synchronous machine with a Halbach array. The model is based on the accurate solution of Laplace's and Poisson's partial differential equations (PDEs) using a method of separation of variables. The model also allows the calculation of the DR machine flux linkage, back electromotive force (bEMF), and electromagnetic torque at on load and cogging torque at a no-load condition. The model can be used at the initial stage of designing a DR PM machine for the estimation of electromagnetic parameters and the optimization of machine geometry.

Original languageEnglish
Article number8903581
JournalIEEE Transactions on Magnetics
Volume55
Issue number12
DOIs
Publication statusPublished - Dec 2019
Externally publishedYes

Keywords

  • Analytical model
  • dual-rotor (DR) machine
  • permanent magnet (PM) motor

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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