Final design of the quench protection circuits for the JT-60SA superconducting magnets

E. Gaio, A. Maistrello, L. Novello, A. Coletti, A. Coffetti, T. Gargano, M. Perna, M. Matsukawa, K. Yamauchi

Research output: Contribution to conferencePaper

1 Citation (Scopus)

Abstract

This paper describes the detailed design of the Quench Protection Circuits (QPC) for the superconducting Toroidal Field (TF) and Poloidal Field (PF) magnets of the Satellite Tokamak JT-60SA, which will be installed in Naka, Japan [1]. The nominal currents to be interrupted and the maximum reapplied voltages are 25.7 kA and 2.8 kV for the TF QPCs and 20 kA and 5 kV for PF QPCs. The innovative solution proposed in the QPC design is based on a Hybrid Circuit Breaker (CB) composed of a mechanical Bypass Switch for conducting the continuous current, in parallel to a static CB for current interruption. The main choices of the final design are presented and discussed, either to confirm or to update and complete the study performed at the conceptual design level. © 2011 IEEE.
Original languageEnglish
DOIs
Publication statusPublished - 2011
Externally publishedYes
Event2011 IEEE/NPSS 24th Symposium on Fusion Engineering, SOFE 2011 - , United States
Duration: 1 Jan 2011 → …

Conference

Conference2011 IEEE/NPSS 24th Symposium on Fusion Engineering, SOFE 2011
CountryUnited States
Period1/1/11 → …

    Fingerprint

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering

Cite this

Gaio, E., Maistrello, A., Novello, L., Coletti, A., Coffetti, A., Gargano, T., ... Yamauchi, K. (2011). Final design of the quench protection circuits for the JT-60SA superconducting magnets. Paper presented at 2011 IEEE/NPSS 24th Symposium on Fusion Engineering, SOFE 2011, United States. https://doi.org/10.1109/SOFE.2011.6052229