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Towards HTS high field inserts at LNCMI

27/01/2015, Xavier Chaud (LNCMI, Grenoble, France)

 

High Temperature Superconductor magnets will be essential in the development of future accelerators or high field test facilities. Coated conductor tapes made of REBaCuO (RE = Rare Earth) superconductor have a strong potential for this kind of magnets, provided an efficient protection of the magnet during transitions from the superconducting to the normal state (quench) is proposed. Our research effort on the coil design aspects concerns the mechanical and thermal tolerances as well as the performance margin under the magnet operating conditions, by experimental validation. The aim of testing heavily instrumented prototype coils is to establish a coil winding and instrumentation method and to investigate quench dynamics and stability margin.