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Analysis of vertical strip wound fault-tolerant permanent magnet synchronous machines

Arumugam, Puvaneswaran; Hamiti, Tahar; Brunson, C.; Gerada, C.

Authors

Puvaneswaran Arumugam

Tahar Hamiti

C. Brunson

C. Gerada chris.gerada@nottingham.ac.uk



Abstract

This paper investigates the behavior of a vector- controlled, fault-tolerant, permanent magnet motor drive system adopting a vertically placed strip winding (VSW) which can limit inter-turn short-circuit (SC) fault current to its rated value regardless of the position in the slot containing the shorted turns. The drives’ dynamic behavior is simulated using a per-phase equivalent circuit model with the winding inductances and resistances analytical calculated based on the machine geometry and fault location. A simplified thermal model is also grafted into the system model to effectively simulate the dynamic behavior of the machine during healthy, inter-turn SC fault and post-fault controlled scenarios. The SC fault current limiting capability, the additional losses and thermal behavior of the winding are studied and compared with conventional winding adopting round conductors winding (RCW). The proposed winding design is verified with Finite Element (FE) analysis and then validated experimentally. Results show that the VSW inherently limits the SC current, reduces its dependence on the position of the fault within the slot but results in an increase in AC losses.

Journal Article Type Article
Journal IEEE Transactions on Industrial Electronics
Print ISSN 0278-0046
Electronic ISSN 1557-9948
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 61
Issue 3
APA6 Citation Arumugam, P., Hamiti, T., Brunson, C., & Gerada, C. (in press). Analysis of vertical strip wound fault-tolerant permanent magnet synchronous machines. IEEE Transactions on Industrial Electronics, 61(3), doi:10.1109/TIE.2013.2259777
DOI https://doi.org/10.1109/TIE.2013.2259777
Keywords Copper Loss, Concentrated Windings, Fault-tolerant, Permanent Magnet, Short-circuit, Slot-leakage
Publisher URL http://ieeexplore.ieee.org/document/6507638/?arnumber=6507638
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
Additional Information c2013 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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