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System Analysis of Permanent Magnet Traction Drives
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.ORCID iD: 0000-0002-8990-3745
2012 (English)Report (Other academic)
Abstract [en]

This report describes the activities in the project HK 06-1509/AL50 “System analysis ofpermanent magnet traction drives” conducted at KTH in collaboration with BombardierTransportation between January 2007 and December 2010. The driving aim of the investigationswas to support the testing of PM traction motors in the Green Train during summer 2008 andanalyse the results.The technology of traction electrical motors for train application has evolved from DCmotors to AC drives with both synchronous and induction motors in the last decades. Threephasepermanent-magnet (PM) synchronous motors are both smaller and lighter than inductionmotors (IM) for a given torque with same cooling conditions. However, this also implies newsystem challenges to be solved.Besides supporting the activities involving design, prototyping and testing of the PMmotors in laboratory and vehicle environment, a number of theoretical investigations have beenconducted by KTH researchers. Thermal modelling and loss calculation tools were developed.The main effort was dedicated to the investigation of winding failure and its possibleconsequences from original short-circuit to worst possible conditions of the PM motor afterfailure propagation without mitigation strategies. A new algorithm to implement sensor-lesscontrol of PM motor was also developed in a semi-parallel project and is therefore shortlydescribed as well.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2012. , 20 p.
Series
Trita-EE, ISSN 1653-5146 ; 2012:068
Keyword [en]
laboratory test, losses, permanent magnet motor, thermal modeling, traction, vehicle tests, winding failure
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Järnvägsgruppen - Gröna tåget
Identifiers
URN: urn:nbn:se:kth:diva-118453OAI: oai:DiVA.org:kth-118453DiVA: diva2:606229
Note

QC 20130219

Available from: 2013-02-19 Created: 2013-02-18 Last updated: 2013-02-19Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Output format
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