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On fault tolerance for IPM-FSCW machines adopting a modular converter
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.ORCID iD: 0000-0002-4534-921X
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.ORCID iD: 0000-0002-6283-7661
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.ORCID iD: 0000-0002-0744-2552
2014 (English)In: 2014 17th International Conference on Electrical Machines and Systems, ICEMS 2014, 2014, 1633-1638 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper investigates the fault-tolerant capability of a number of 30 kW permanent magnet (PM) machines with fractional-slot concentrated windings (FSCWs) when connected to two types of modular type converters recently proposed in the literature. Due to the strong PM rotor magnetization when using NdFeB-type magnets, the resulting short-circuit currents during a converter submodule short-circuit was found to be larger than the rated current which, potentially, may cause the machine to overheat. Reducing the PM rotor magnetization will reduce the short-circuit current but also affect the constant power speed range (CPSR). The results further highlight the importance of a tailored design specification when designing FSCW PM machines in automotive applications.

Place, publisher, year, edition, pages
2014. 1633-1638 p.
Keyword [en]
Fault-tolerant, fractional-slot, integrated, modular converter, permanent magnet machines, short-circuit currents
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-166466DOI: 10.1109/IAS.2007.205Scopus ID: 2-s2.0-84922793803ISBN: 978-1-4244-1260-0 (print)ISBN: 978-1-47995161-1 OAI: oai:DiVA.org:kth-166466DiVA: diva2:811141
Conference
2014 17th International Conference on Electrical Machines and Systems, ICEMS 2014; Hangzhou; China; 22 October 2014 through 25 October 2014
Funder
StandUp
Note

QC 20150511

Available from: 2015-05-11 Created: 2015-05-11 Last updated: 2015-05-11Bibliographically approved

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Zhang, HuiWallmark, OskarLeksell, Mats

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  • apa
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