Line-Start Permanent-Magnet Synchronous Motor versus Induction Motor: Technical, Environmental and Economical Considerations

Barbara-Anne Kerslake, Amin Mahmoudi, Solmaz Kahourzade

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

Abstract

This paper presents an explicit comparison of the three-phase line-start permanent-magnet synchronous (LSPM) motor with the squirrel-cage induction motor (IM). It investigates the effect of number of rotor bars on the performance of the motors by considering two alternative options including 32 and 45 rotor bars. Finite-element analysis is utilized for design and performance prediction of the studied motors. Both steady-state and dynamic responses of the motors under no-load, constant load, fan load, and step load are investigated. The simulation results confirm that the LSPM motor with 32 rotor bars can remain stable at constant speed when operating in overloaded and variable voltage conditions. The LSPM motor has advantages of high efficiency and high power factor while IM has superior dynamic performance.

Original languageEnglish
Title of host publication2021 IEEE 12th Energy Conversion Congress & Exposition - Asia (ECCE-Asia)
EditorsJinjun Liu
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages857-864
Number of pages8
ISBN (Electronic)9781728163444
DOIs
Publication statusPublished - 2021
Event12th IEEE Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021 - Virtual, Singapore, Singapore
Duration: 24 May 202127 May 2021

Conference

Conference12th IEEE Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021
Country/TerritorySingapore
CityVirtual, Singapore
Period24/05/2127/05/21

Keywords

  • cost
  • finite-element analysis
  • harmonics
  • line-start permanent-magnet synchronous motor
  • overload capacity
  • squirrel-cage induction motor

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