NDLI: A dominant mechanism for thin film power capacitors going high or self-destructing

Content Provider	IEEE Xplore Digital Library
Author	Brown, R.W.
Copyright Year	2006
Description	Author affiliation: RMIT Univ., Melbourne, VIC, Australia (Brown, R.W.)
Abstract	Thin film capacitors typically degrade in use by exhibiting much increased dissipation factors and nominal capacitance values that fall off steeply with frequency. The cause of the increased loss is poorly explained in the literature and is often inferred to be probably due to changes in the properties of the dielectric film. However, it can be shown that the increase in losses can almost entirely be attributed to increased losses in the metal film due to increased path lengths brought on principally by corrosion. Further, the modification of the path lengths can result in localized heating and sporadic fusing of vestigial links during operation, greatly increasing the risk of catastrophic failure. Measurement and teardown inspection of degraded capacitors provide strong support for theoretical modeling involving the critical role of corrosion in capacitor degradation and failure.
Starting Page	1
Ending Page	6
File Size	2891589
Page Count	6
File Format	PDF
ISBN	9780780395909
DOI	10.1109/IEEEGCC.2006.5686253
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-03-20
Publisher Place	Bahrain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dissipation factor Strips Corrosion Films Catastrophic failure Capacitors Heating Metals Capacitance Capacitor Metallized
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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