Numerical assessment of geometrical and magnetic parameters for dummy double pancake of ITER PF1 coil using optic and magnetic measurements

V. Amoskov,V. Belyakov, M. Burkanov,A. Bursikov,A. Firsov, Yu. Ilyin,V. Kukhtin,E. Lamzin,M. Larionov,B. Lim,A. Mednikov,A. Nezhentzev,I. Rodin,N. Shatil,D. Stepanov,S E Sytchevsky, A. Ustinov, V. Vadatursky,V. Vasiliev

Fusion Engineering and Design（2018）

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Abstract

A measurement-based numerical reconstruction technique is proposed to control winding geometry of the poloidal coils manufactured for ITER. A detailed coil model is parameterized in terms of the magnetic characteristics. Deviations from the specified coil shape are evaluated in a comparison of reconstructed “ideal” field and data of magnetic measurements. The technique has been validated in the course of quality inspection of the dummy double pancake similar to the pancakes of the ITER PF1 coil. Experimental results are presented.

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Key words

ITER,PF coil,Magnetostatics,Current centerline,Inverse problems,Shape deformation,Error fields

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