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Hysteresis Loss in Poloidal Coils of the Large Helical Device
2011
Plasma and Fusion Research
Hysteresis loss in poloidal coils of the Large Helical Device (LHD) has been measured during single-pulse operation. The superconductors of the coils are Nb-Ti cable-in-conduit conductors (CICC) cooled by forcedflow supercritical helium. The loss was measured by monitoring the enthalpy increase of the helium coolant between the inlet and outlet. Although the hysteresis loss was extracted by extrapolating several data sets from pulse excitations with different sweep rates, the extrapolated loss
doi:10.1585/pfr.6.2405077
fatcat:tboxiinbovbnffmtuw2qfgg23a