- Title
- Advanced diagnosis of stator turn-to-turn faults and static eccentricity in induction motors based on internal flux measurement
- Creator
- Mirzaeva, Galina; Saad, Khalid Imtiaz
- Relation
- IEEE Transactions on Industry Applications Vol. 54, Issue 4, p. 3961-3970
- Publisher Link
- http://dx.doi.org/10.1109/TIA.2018.2821098
- Publisher
- Institute of Electrical and Electronics Engineers (IEEE)
- Resource Type
- journal article
- Date
- 2018
- Description
- Large induction motors used in variable speed industrial applications (digging, traction, etc.) undergo dynamic stresses at high power levels. Their lifetime is reduced as compared with constant speed motors and downtime costs are very high. To monitor the condition of such motors, advanced sensor instrumentation is considered, including installation of Hall effect flux sensors inside the motor airgap. Such an advanced instrumentation enables continuous measurement of the airgap flux in both time and space domains simultaneously. This allows for advanced fault detection algorithms. This paper presents a method for early diagnosis of stator turn-to-turn faults and static eccentricity, and differentiation between these two conditions. The paper demonstrates that the proposed method detects, localizes, and quantifies both faults with high accuracy and sensitivity. Furthermore, each fault can be detected at an incipient stage and its development can be predicted. The results of the presented study have been supported by both simulation and experimental results obtained on a laboratory scale induction motor. Based on the results presented in the paper, a real-time condition monitoring system has been developed.
- Subject
- fault diagnosis; fault location; fault detection; Hall effect devices; induction machines; magnetic field measurement; monitoring; rotating machine insulation
- Identifier
- http://hdl.handle.net/1959.13/1390714
- Identifier
- uon:33120
- Identifier
- ISSN:0093-9994
- Rights
- © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, 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 component of this work in other works.
- Language
- eng
- Full Text
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