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Interlaminar Insulation Faults Detection and Quality Assessment of Magnetic Cores Using Flux Injection Probe

Hamzehbahmani, Hamed; Anderson, Philip; Jenkins, Keith

Interlaminar Insulation Faults Detection and Quality Assessment of Magnetic Cores Using Flux Injection Probe Thumbnail


Authors

Hamed Hamzehbahmani

Philip Anderson

Keith Jenkins



Contributors

Abstract

Interlaminar faults between laminations of the magnetic cores increase core losses and could cause major damage to electrical machines. A system has been developed to detect an interlaminar fault between the laminations of the magnetic cores by means of the flux injection probe (FIP). Experimental work was carried out to calibrate the measuring system and qualify its accuracy over a wide measurement range. Application of a prototype FIP to quality assessment of transformer laminations was investigated in two stages: 1) inspection of stack of laminations with known interlaminar faults applied by artificial shorts and 2) inspection of stack of laminations with unknown quality. The experimental results show that the developed system is capable of detecting an interlaminar fault between as few as two laminations.

Citation

Hamzehbahmani, H., Anderson, P., & Jenkins, K. (2015). Interlaminar Insulation Faults Detection and Quality Assessment of Magnetic Cores Using Flux Injection Probe. IEEE Transactions on Power Delivery, 30(5), 2205-2214. https://doi.org/10.1109/tpwrd.2015.2413900

Journal Article Type Article
Acceptance Date Mar 13, 2015
Online Publication Date Mar 16, 2015
Publication Date Mar 16, 2015
Deposit Date Aug 13, 2018
Publicly Available Date Feb 5, 2019
Journal IEEE Transactions on Power Delivery
Print ISSN 0885-8977
Electronic ISSN 1937-4208
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 30
Issue 5
Pages 2205-2214
DOI https://doi.org/10.1109/tpwrd.2015.2413900

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