Abstract

Contemporary technology permits for the construction of superconducting transformers with windings made of high-TC superconductor coated tapes (2G HTS tapes). The main problem is the cost of superconducting material and cryogenic cooling. In this paper, authors try to evaluate the influence of the transformer parameters over the superconductor working conditions and thereby over the total quantity of HTS tape used for transformer windings. Presented in this paper calculations was made for the three-phase 63 MVA 121 kV/10.5 kV transformer. Streszczenie. Konstruowanie uzwojen transformatorow w oparciu o taśmy powlekane nadprzewodnikiem wysokotemperaturowym (taśmy HTS drugiej generacji) jest technologicznie mozliwe. Glownym problemem pozostają koszty materialu nawojowego i ukladu chlodzenia kriogenicznego. W artykule autorzy starają sie ocenic wplyw parametrow transformatora na warunki pracy uzwojen nadprzewodnikowych i tym samym na calkowitą dlugośc taśmy HTS. Obliczenia zostaly wykonane dla transformatora trojfazowego 63 MVA 121 kV/10.5 kV. (Wykorzystanie taśmy nadprzewodnikowe drugiej generacji do uzwajania transformatorow)

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