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Measurement of parameters of the superconducting non-insulated coils
https://doi.org/10.32446/0368-1025it.2021-9-41-46
Abstract
The electrical characteristics of superconducting coils with non-insulated windings are studied. The procedures for measuring the parameters of uninsulated superconducting windings are described. In particular, the inductance is measured by voltage with a linear current input at a given rate. Attention is focused on the impossibility of correctly determining the inductance in a winding with an uninsulated superconductor in a normal state. It is noted that in a superconducting state at currents below the critical value, the inductance of the winding is comparable to the inductance with an insulated wire. The results of measurements of inductance, radial resistance, static current-voltage and magnetic characteristics of two tape coils with non-insulated superconducting windings, one of which had a soldered connection, are presented. Conditions for measuring the parameters of non-insulated superconducting windings are formulated when they are compared with insulated windings.
About the Authors
E. P. Krasnoperov
National Research Center “Kurchatov Institute”;
Moscow Institute of Physics and Technology
Russian Federation
Russian Federation
Evgeniy P. Krasnoperov
Moscow;
Dolgoprudny, Moscow region
V. V. Guryev
National Research Center “Kurchatov Institute”
Russian Federation
Russian Federation
Valentin V. Guryev
Moscow
V. V. Sychugov
National Research Center “Kurchatov Institute
Russian Federation
Russian Federation
Vasyli V. Sychugov
Moscow
D. S. Yashkin
National Research Center “Kurchatov Institute
Russian Federation
Russian Federation
Dmitri S. Yashkin
Moscow
S. V. Shavkin
National Research Center “Kurchatov Institute
Russian Federation
Russian Federation
Sergei V. Shavkin
Moscow
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Review
For citations:
Krasnoperov E.P., Guryev V.V., Sychugov V.V., Yashkin D.S., Shavkin S.V. Measurement of parameters of the superconducting non-insulated coils. Izmeritel`naya Tekhnika. 2021;(9):41-46. (In Russ.) https://doi.org/10.32446/0368-1025it.2021-9-41-46
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