A novel method to optimize permanent magnet assisted synchronous reluctance machines

Thushanthan Mohanarajah, Mahmood Nagrial, Jamal Rizk, Ali Hellany

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

This paper presents the characteristics of permanent magnets in a synchronous reluctance machine by employing analytical and finite element methods. Four possible designs are studied and their characteristics are compared against a base synchronous reluctance machine with linear barriers to reveal machine characteristics. Then, the paper proposes a novel optimization topology to optimize permanent magnet synchronous reluctance machine as a single object for better machine performance. An explicit investigation is conducted to reveal the operational behavior of the machine such as torque, power factor and torque ripples with various machine parameters and compares them with the base design. The study reveals that permanent magnet synchronous reluctance machine can be optimized to have significantly high-power factor and torque with acceptable torque ripples.
Original languageEnglish
Pages (from-to)933-943
Number of pages11
JournalElectric Power Components and Systems
Volume48
Issue number45574
DOIs
Publication statusPublished - 2020

Open Access - Access Right Statement

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http:// creativecommons.org/licenses/by-nc-nd/4.0/), which permits noncommercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited, and is not altered, transformed, or built upon in any way.

Keywords

  • machine design
  • permanent magnet motors
  • permanent magnets
  • reluctance motors

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