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Abstract

Experiments have been performed on the TCV tokamak to evaluate the response of ohmic, L-mode, limited, vertically unstable plasmas to changes in all the poloidal coil voltages. The resulting closed loop plasma responses have been compared with the CREATE-L linearized magnetohydrodynamic (MHD) equilibrium model of TCV. All the responses in both the time domain and the frequency domain show excellent agreement both for directly measured quantities and for derived parameters which can be used as feedback variables. No modifications to the CREATE-L model were made to achieve this quality of agreement, indicating that the underlying physical assumptions are appropriate.

Additional information

Authors: VILLONE F, Ecole Polytechnique Fédérale de Lausanne, Centre de Recherches en Physique des Plasmas (CH);VYAS P, Ecole Polytechnique Fédérale de Lausanne, Centre de Recherches en Physique des Plasmas (CH);LISTER J B, Ecole Polytechnique Fédérale de Lausanne, Centre de Recherches en Physique des Plasmas (CH);ALBANESE R, Ecole Polytechnique Fédérale de Lausanne, Centre de Recherches en Physique des Plasmas (CH)
Bibliographic Reference: Article: Nuclear Fusion (1997)
Record Number: 199710340 / Last updated on: 1997-04-14
Category: PUBLICATION
Original language: en
Available languages: en