Stress analysis of the conductor and support structure for poloidal field coils of SST-1 tokamak
AbstractAbstract
[en] Magnetic system is one of the main subsystem of SST-1 Tokamak [2] and it consists of superconducting toroidal field (TF) and poloidal field (PF) magnets. The Poloidal Field coils in SST-1 are wound from stainless steel jacketed Cable in Conduit Conductor (CICC). The insulation is provided by fibre glass tape and the winding pack is epoxy impregnated. The PF coils are subjected to electromagnetic loads. The PF coils and other coils (which determine the forces on PF coils) are modeled in ANSYS and an EMAG analysis is done to obtain the Lorentz forces on the conductors followed by a structural analysis done using effective properties. After the first level solution, the region of maximum stress is re-meshed in detail and the peak Von-Mises stress and the mean peak Von-Mises stresses are determined in the SS conduit (of the conductor) and the insulation material. The support system for the PF coils is designed taking into account the electromagnetic forces and the space available in the machine. (author)
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Beaumont, B.; Libeyre, P.; Gentile, B. de; Tonon, G. (Association Euratom-CEA Cadarache, 13 - Saint-Paul-lez-Durance (France). Dept. de Recherches sur la Fusion Controlee); (v.1-2) 1744 p; 1998; p. 903-906; 20. symposium on fusion technology; Marseille (France); 7-11 Sep 1998; 2 refs.
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Conference
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