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Modification of Electromechanical Stresses in the Poloidal Field Magnet of a Single-Turn Tokamak Due to Eddy Current Effects

J. Q. Dong1, E. Montalvo, R. Carrera, M. Driga, K. T. Hsieh, W. A. Walls, W. F. Weldon

Fusion Science and Technology / Volume 19 / Number 3P2A / May 1991 / Pages 1083-1088

Ignition Device / dx.doi.org/10.13182/FST91-A29487

An internal inductor in a single-turn ignition tokamak is considered. The electromechanical loads on the poloidal field coils and the associated stresses are evaluated in the IGNITEX device. Stress reduction due to the presence of structural eddy currents is demonstrated and its importance for design and operation of a fusion ignition experiment is discussed.