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A new concept for a current switch based on a high-temperature superconductor |
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| Authors: | S. G. Ovchinnikov V. I. Kirko A. G. Mamalis M. I. Petrov V. V. Ivanov D. A. Balaev D. M. Gokhfel’d S. A. Kharlamova S. V. Militsyn K. A. Shaikhutdinov |
| Affiliation: | (1) L. V. Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russia;(2) Research Physicotechnical Institute of Krasnoyarsk State University, Krasnoyarsk, 660036, Russia;(3) National Technical University of Athens, 10682 Athens, Greece |
| Abstract: | A new concept for a device for protecting an alternating-current network is offered. It is based on a combination of a superconducting limiter of a short-circuit current and a circuit breaker. A high-temperature superconductor in the form of a pile of plane rings is used as the active element of the limiter. The test results of a model of such a limiter are obtained in the steady-state short-circuit regime. The characteristics of composite silverless materials used for design of the breaker are given. |
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