Experimental validation of a lap-type joint AC loss model with an ITER correction coil conductor joint

G. Rolando, F. Hansheng, L. Hongwei, W. Lin, W. Wu, A. Foussat, Y. Ilyin, P. Libeyre, Arend Nijhuis

Research output: Contribution to journalArticleAcademicpeer-review


The ITER correction coils (CC) system features shaking hands lap-type joints to interface the terminations of the conductors. The feasibility of operating plasma scenarios depends on the ability of the magnets to retain sufficient temperature and current margins. In this respect, the joints represent a possible critical region due to the combination of steady-state Joule heating from the resistance of the joint and coupling currents and connected losses in magnetic field ramped operation. Since manufacturing and testing of different joint concepts is demanding from cost and time point of view, a dedicated model has been developed based on the numerical cable model JackPot-ACDC to reproduce the performance of lap-type joints and assess the effect of possible optimization solutions. In this work, the prediction capability of the model is verified through AC loss measurements on a prototype ITER CC joint manufactured at ASIPP. The results of the experiment and model are reported and discussed.
Original languageEnglish
Pages (from-to)867-870
Number of pages4
JournalFusion engineering and design
Issue number6
Publication statusPublished - 2014


  • METIS-305626
  • IR-92175


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