Electromagnetic design and loss calculations of a 1.12-MW high-speed permanent-magnet motor for compressor applications

Fengge Zhang, Guanghui Du, Tianyu Wang, Fengxiang Wang, Wenping Cao, James L. Kirtley

Research output: Contribution to journalArticlepeer-review

Abstract

Electromagnetic design of a 1.12-MW, 18 000-r/min high-speed permanent-magnet motor (HSPMM) is carried out based on the analysis of pole number, stator slot number, rotor outer diameter, air-gap length, permanent magnet material, thickness, and pole arc. The no-load and full-load performance of the HSPMM is investigated in this paper by using 2-D finite element method (FEM). In addition, the power losses in the HSPMM including core loss, winding loss, rotor eddy current loss, and air friction loss are predicted. Based on the analysis, a prototype motor is manufactured and experimentally tested to verify the machine design.
Original languageEnglish
Pages (from-to)132-140
Number of pages9
JournalIEEE Transactions on Energy Conversion
Volume31
Issue number1
Early online date28 Oct 2015
DOIs
Publication statusPublished - Mar 2016

Bibliographical note

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Keywords

  • electromagnetic design
  • finite element method
  • high speed
  • loss calculation
  • permanent-magnet motors

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