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(CT/P-14) Testing of the Toroidal Field Model Coil

E. Salpietro1), ITER-TFMC Team
1) EFDA Team, Garching, Germany

Abstract.  The paper describes the Toroidal Field Model Coil (TFMC) design, fabrication choices and issues with respect to technological and management aspects. The experience gained during the assembly and disassembly of the TFMC for phase 1 testing, as well as the assembly with the LCT coil for phase 2 testing will be reported. During phase 1 the TFMC was energised at 80 kA and was fast discharged several times without changes in the coil performances. The first test campaign has demonstrated the feasibility and operability of the ITER Toroidal Field coils including the joints. An in depth analysis of the test results will be presented in the paper. The goal for phase 2 testing is to determine the actual margins which have been achieved in the design and manufacture of the TFMC in selected areas. For this purpose, the TFMC will be operated beyond the design conditions in terms of current, temperature and parameters related to coil protection (discharge time constant, quench detection time). This second phase will end by December 2002, therefore the test results can be used to optimise the ITER design, in particular on the conductors and insulation system.

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IAEA 2003