A comparative study on different cooling topologies for axial flux permanent magnet machine

Hawwooi Chuan, Richard Burke, Zhongze Wu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The thermal behaviour of electrical machines would affect the lifespan and the electric performance of electrical machines. Hence, the maximum continuous operating torque of electrical machines is generally defined by the critical temperature in electrical machines. In order to increase the power density and efficiency of electrical machines, an effective cooling method needs to be chosen. Here, comparison of different type of cooling methods for axial flux permanent magnet motor is presented, in which the forced air cooling, water jacket stator cooling and rotor shaft liquid cooling methods are investigated. Due to the stator copper loss is the major loss, the stator liquid cooling is the most effective method to extract heat from the machine. However, the use of rotor liquid cooling can still be considered for a certain situation, as the magnet can be more effectively cooled. Therefore, the hybrid cooling approach, which combines both forced air cooling and rotor shaft liquid cooling, is presented in this paper. The thermal analysis is based on Lumped Parameter Thermal Network (LPTN) model, where the thermal properties of the test motor were experimentally verified.

Original languageEnglish
Title of host publication2019 IEEE Vehicle Power and Propulsion Conference, VPPC 2019 - Proceedings
PublisherIEEE
ISBN (Electronic)9781728112497
DOIs
Publication statusPublished - Oct 2019
Event2019 IEEE Vehicle Power and Propulsion Conference, VPPC 2019 - Hanoi, Viet Nam
Duration: 14 Oct 201917 Oct 2019

Publication series

Name2019 IEEE Vehicle Power and Propulsion Conference, VPPC 2019 - Proceedings

Conference

Conference2019 IEEE Vehicle Power and Propulsion Conference, VPPC 2019
CountryViet Nam
CityHanoi
Period14/10/1917/10/19

Keywords

  • Axial flux permanent magnet machine
  • Electric vehicle
  • Liquid cooling
  • Thermal modeling

ASJC Scopus subject areas

  • Control and Optimization
  • Modelling and Simulation
  • Artificial Intelligence
  • Transportation
  • Energy Engineering and Power Technology
  • Fuel Technology
  • Automotive Engineering
  • Electrical and Electronic Engineering

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