NDLI: Analysis of Vertical Strip Wound Fault-Tolerant Permanent Magnet Synchronous Machines

Content Provider	IEEE Xplore Digital Library
Author	Arumugam, P. Hamiti, T. Brunson, C. Gerada, C.
Copyright Year	1982
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 interturn 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 analytically 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 interturn SC fault and postfault controlled scenarios. The SC-fault-current-limiting capability, the additional losses, and the thermal behavior of the winding are studied and compared with conventional winding adopting round conductor winding. The proposed winding design is verified with finite-element analysis and is 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.
Sponsorship	IEEE Industrial Electronics Society
Starting Page	1158
Ending Page	1168
Page Count	11
File Size	1937073
File Format	PDF
ISSN	02780046
Volume Number	61
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	slot leakage Concentrated windings copper loss fault tolerant permanent magnet short circuit (SC)
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Electrical and Electronic Engineering Computer Science Applications

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Fractional-Slot Concentrated-Windings Synchronous Permanent Magnet Machines: Opportunities and Challenges

Modeling of Different Winding Configurations for Fault-Tolerant Permanent Magnet Machines to Restrain Interturn Short-Circuit Current

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