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A 15-kVA High-Temperature Superconducting Partial-Core Transformer—Part 1: Transformer Modeling

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3 Author(s)
Lapthorn, A. ; Electr. & Comput. Eng. Dept., Univ. of Canterbury, Christchurch, New Zealand ; Bodger, P. ; Enright, W.

A new 15-kVA, 230-230 V, high-temperature superconducting (HTS), partial-core transformer has been designed, built, and tested. The transformer utilizes a unique core design termed partial core, consisting of a central laminated slug of core steel only. The windings are layer wound with first-generation Bi2223 HTS. A model was developed to predict the performance of the transformer as well as the ac losses of the HTS and is presented in this paper. Part 2 of this paper presents the construction details and experimental results.

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Power Delivery, IEEE Transactions on  (Volume:28 ,  Issue: 1 )