Quench detection system for twin coils HTS SMES |
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Authors: | A Badel P Tixador O Exchaw |
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Affiliation: | a Neel Institute, CNRS, 25 rue des martyrs, BP 166, 38042 Grenoble Cedex 9, France b Grenoble Electrical Engineering Laboratory, 961 rue Houille Blanche, BP 46, 38402 St. Martin d’Hères Cedex, France |
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Abstract: | The quench detection and protection system is a critical element in superconducting magnets. After a short summary of the quench detection and protection issues in HTS magnets, an original detection system is presented. The main feature of this system is an active protection of the detection electronics during the discharges, making it possible to use standard electronics even if the discharge voltage is very high. The design of the detection system is therefore easier and it can be made very sensitive. An implementation example is presented for a twin coil HTS SMES prototype, showing the improvements when compared to classical detection systems during operation. |
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Keywords: | F Superconducting magnets A High Tc superconductors C Quench D Detection |
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