NDLI: A stator turn-fault detection method for inverter-fed IPMSM with high-frequency current injection

Content Provider	IEEE Xplore Digital Library
Author	Myoungho Kim Seung-Ki Sul Junggi Lee
Copyright Year	2013
Description	Author affiliation: EV Components Res. Group, LG Electron., Seoul, South Korea (Junggi Lee) \|\| Power & Control Syst. Div., Samsung Heavy Ind., Hwasung, South Korea (Myoungho Kim) \|\| Dept. of Electr. Eng. & Comput. Sci., Seoul Nat. Univ., Seoul, South Korea (Seung-Ki Sul)
Abstract	This paper presents a turn-fault detection method for inverter-fed Interior Permanent Magnet Synchronous Machines(IPMSMs) using high-frequency current injection when the motor is at standstill. When the motor is stopped, the fault current which flows in the faulty turns and the phase currents can be expressed with the injected phase current and the mutual inductance between each phase winding and the faulty turns. Because of the turn-fault, the injected high frequency currents cause different losses according to the direction of the injection. The proposed detection method exploits the difference of the losses of each case to diagnose the turn-fault. Experimental results are provided to verify the proposed detection method. The resultant loss pattern agrees well with that of the electrical model and shows reasonable sensitivity to the turn-fault. Two-turn fault among 27 turns of a phase winding of the motor under test has been detected easily with existing hardware of the drive system.
Starting Page	3528
Ending Page	3533
File Size	794504
Page Count	6
File Format	PDF
ISBN	9781479903368
DOI	10.1109/ECCE.2013.6647165
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Inductance Induction motors Windings Stator windings Rotors Circuit faults Fault currents
Content Type	Text
Resource Type	Article

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