NDLI: Experimental assessment of winding inter-turn short-circuits fault signatures in six-phase AC permanent magnet synchronous motors

Content Provider	IET Digital Library
Author	Gritli, Yasser Mengoni, Michele Rossi, Claudio Tani, Angelo Casadei, Domenico Serra, Giovanni
Abstract	The interest for multiphase permanent magnet synchronous machines, in modern renewable power generation systems, is increasing rapidly due principally to their high efficiency and fault-tolerant capability. To meet the high-performance requirements, monitoring the stator winding state is a key item. The detectability of a stator winding inter-turn short-circuit (ITSC), for an asymmetrical six-phase surface-mounted permanent magnet synchronous motor, is analysed in this study. The impact of an ITSC on the stator back-emfs, stator currents and voltages is examined by spectral analysis of the corresponding space-vectors, in different α–β planes. In particular, the detectability of a stator ITSC, in closed-loop operating conditions, is investigated using voltage and current signature analysis. The spectral fault signature is identified through 2D finite element analysis, and then confirmed by laboratory experimental tests.
Starting Page	2791
Ending Page	2800
Page Count	10
ISSN	17521416
Volume Number	14
e-ISSN	17521424
Issue Number	Issue 15, Nov (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/14/15
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2020.0055
Journal	IET Renewable Power Generation
Publisher	The Institution of Engineering and Technology
Publisher Date	2020-08-06
Access Restriction	Open
Rights License	Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)
Subject Keyword	A.C. Machine Asynchronous Machine Control of Electric Power System Current Signature Analysis Detectability Different Α–β Planes Electric Potential Fault Diagnosis Fault-tolerant Capability Finite Element Analysis High-performance Requirements Inter-turn Short-circuits Fault Signatures Key Item Laboratory Experimental Tests Modern Renewable Power Generation System Multiphase Permanent Magnet Synchronous Machine Numerical Analysis Permanent Magnet Machine Permanent Magnet Motors Six-phase AC Permanent Magnet Synchronous Motors Six-phase Surface-mounted Permanent Magnet Synchronous Motor Spectral Fault Signature Stator Back-emfs Stator Current Stator ITSC Stator Winding Inter-turn Short-circuit Stator Winding State Stators Synchronous Machine Synchronous Motors
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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