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Experimental setup for precise measurement of losses in high-temperature superconducting transformer |
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| Authors: | Z. Janu P. Repa F. Zizek F. Soukup |
| Affiliation: | a Institute of Physics of the Academy of Sciences of the Czech Republic, Na Slovance 2, 182 21 Prague 8, Czech Republic b Charles University, Faculty of Mathematics and Physics, V Holesovickach 2, 180 00 Prague 8, Czech Republic c Skoda Research Ltd., Tylova 57, 316 00 Plzen, Czech Republic |
| Abstract: | A simple cryogenic system for testing of the superconducting power transformer was constructed. Thermal shielding is provided by additional liquid nitrogen bath instead of super-insulation. The system, together with use of a precise nitrogen liquid level meter, permitted calorimetric measurements of losses of the 8 kVA HTS transformer with a resolution of the order of 0.1 W. |
| Keywords: | Superconducting transformer AC losses Calorimeters |
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