L. Piron, C. Paz-Soldan, L. Pigatto, P. Zanca, Olivier Sauter, T. Pütterich, Paolo Bettini, M. Bonotto, Geoffrey Cunningham, Gianmaria De Tommasi, Nicolò Ferron, Matteo Gambrioli, Georgina Graham, Peter C de Vries, Y. Gribov, Q. Hu, K. Kirov, N. Logan, Morten Lennholm, Massimiliano Mattei, Marc Maraschek, Tomas Markovic, G. Manduchi, Piero Martin, A. Pironti, A. Polevoi, T. Ravensbergen, David Anthony Ryan, B. Sieglin, W. Suttrop, D. Terranova, M. Teschke, Daniel F. Valcarcel, Charles Vincent
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引用次数: 0
Abstract
In magnetic fusion devices, error field sources, spurious magnetic field perturbations, need to be identified and corrected for safe and stable (disruption-free) tokamak operation. Within Work Package Tokamak Exploitation RT04, a series of studies have been carried out to test the portability of the novel non-disruptive method, designed and tested in DIII-D (Paz-Soldan C. et al, Nuclear Fusion 62 (2022) 126007), and to perform an assessment of model-based EF control strategies towards their applicability in ITER. In this paper, the lessons learned, the physical mechanism behind the magnetic island healing, which relies on enhanced viscous torque that acts against the static electro-magnetic torque, and the main control achievements are reported, together with the first design of the asynchronous EF correction current/density controller for ITER.
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