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http://dx.doi.org/10.9714/psac.2011.13.4.026

Properties of a HTS magnet consisting of pancake windings by using the E-J method  

Kim, Young-Min (Soonchunhyang University)
Kang, Myung-Hun (Soonchunhyang University)
Paik, Kyoung-Ho (Soonchunhyang University)
Cha, Guee-Soo (Soonchunhyang University)
Jeon, Chang-Wan (Soonchunhyang University)
Publication Information
Progress in Superconductivity and Cryogenics / v.13, no.4, 2011 , pp. 26-29 More about this Journal
Abstract
In a High temperature superconducting (HTS) tape with high aspect ratio, the magnetic field applied to the HTS tape can be different considerably within the HTS tape. The current distribution in the HTS tape is generally non-uniform because the current distribution is strongly dependent on the applied magnetic field. Non-uniform current distribution in a HTS tape has not been properly considered when the critical current has been estimated. This paper shows the calculation of critical current of a HTS magnet consisting of pancake windings. Non-uniform distribution of current in the HTS tape is considered during the calculation of the critical current. Results of calculation show the current concentrated in the middle part of the HTS tape which is used for one pancake winding.
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