A first approach to runaway electron control in FTU

L. Boncagni, D. Carnevale, C. Cianfarani, B. Esposito, G. Granucci, G. Maddaluno, D. Marocco, J.R. Martin-Solis, G. Pucella, C. Sozzi, G. Varano, V. Vitale, L. Zaccarian

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The Plasma Control System (PCS) of the Frascati Tokamak Upgrade (FTU) is not equipped with any runaway electron (RE) beam control or suppression tool. In this paper we propose an upgraded PCS including an architecture for the control of disruption-generated REs that, making use of filtering techniques to estimate the onsets of the current quench (CQ) and of the RE beam current plateau, provides a controlled plasma current shut-down and a simultaneous RE position control. The control strategy is based on a nonlinear technique, called Input Allocation, that allows to re-configure the current in the poloidal field (PF) coils and improve the PCS responsiveness needed for RE position control. Preliminary results on the implementation of the Input Allocation and an experimental proposal to test the control scheme architecture are discussed. © 2013 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)1109 - 1112
Number of pages4
JournalFusion Engineering and Design
Issue number6-8
Publication statusPublished - 2013
Externally publishedYes


All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Materials Science(all)
  • Nuclear Energy and Engineering
  • Mechanical Engineering

Cite this

Boncagni, L., Carnevale, D., Cianfarani, C., Esposito, B., Granucci, G., Maddaluno, G., ... Zaccarian, L. (2013). A first approach to runaway electron control in FTU. Fusion Engineering and Design, 88(6-8), 1109 - 1112. https://doi.org/10.1016/j.fusengdes.2013.02.170