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A Study on the Thermal Characteristics of the 210 kW-class IPMSM for Urban Railway Vehicles with the Water-Cooling Jacket Shape

  • Chan-Bae Park
Original Article
  • 3 Downloads

Abstract

In general, urban railway vehicles, which are recently introduced in Korea, have adopted a totally-enclosed structure as a traction motor for ease of maintenance. The traction motors with the totally enclosed structure have the problem to be difficult to thermal cooling if the separated device for the heat exchange with the outside is not prepared. In fact, the totally enclosed structure is unfavorable structure on the IPMSM having a structure in which the permanent magnets are embedded in the rotor. It is often required an additional installation of a separate cooling system to solve these thermal problems. Therefore, authors perform a basic design of the solenoid pipe typed water-cooling jacket which can be applied to 210 kW-class IPMSM for urban rail vehicles in this paper. Next, the thermal characteristic analysis is performed on the various structures of the solenoid pipe and on the various flow conditions inside the cooling water pipe of the water-cooling jacket by utilizing 3D-FEM Tool.

Keywords

Urban railway vehicle Totally-enclosed Interior permanent magnet synchronous motor IPMSM Water-cooling jacket Solenoid 

Notes

Acknowledgements

This research was supported by the National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIP:Ministry of Science, ICT and Future Planning) in 2016 (No. 2016R1D1A1B03932224) and the Railroad Technology Research Program (RTRP) grant (18RTRP-B146024-01) funded by Ministry of Land, Infrastructure and Transport of Korean government.

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Copyright information

© The Korean Institute of Electrical Engineers 2019

Authors and Affiliations

  1. 1.Department of Railroad Operation System EngineeringKorea National University of TransportationChungjuSouth Korea

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