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Experiences Determining the AC Current Rating of HTS Tapes in Power Transformers (2011)

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Type of Content
Conference Contributions - Other
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http://hdl.handle.net/10092/6222
DOI
10.1109/APPEEC.2011.5748478
Publisher
University of Canterbury. College of Science
University of Canterbury. Electrical and Computer Engineering
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Authors
Lapthorn, A.C., Chew, I., Enright, W.G., Bodger, P.S.
Abstract

Two experimental high temperature superconducting transformers has been designed and built using Bi2223 HTS tape. The transformers are unique in that the magnetic circuit is comprised of air and a silicon steel partial core. The first transformer failed during a full load endurance run and an investigation was carried out to determine the cause of the failure. The cause was believed to be from operating the HTS windings close to critical conditions. A method of determining the ac current rating of the HTS tape was developed and applied to the second transformer. This second transformer was tested successfully under load for several hours.

Citation
Lapthorn, A.C., Chew, I., Enright, W.G., Bodger, P.S. (2011) Experiences Determining the AC Current Rating of HTS Tapes in Power Transformers. Wuhan, China: 2011 Asia Pacific Power and Energy Engineering Conference (APPEEC), 25-28 Mar 2011.
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ANZSRC Fields of Research
09 - Engineering::0906 - Electrical and Electronic Engineering::090601 - Circuits and Systems
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