Abstract
The TF coil structures are the main structural components in the magnet system, and consist of TF coil cases, inter-coil structures, gravity support and interface structures. The structures enclose the TF coils to protect the CICC from mechanical, electrical and thermal loads, and support 7 pairs of PF coils. The structural behavior of TF magnet has been monitored during cool-down and plasma operation for over 10 years. High stress and large displacement regions are investigated through the review of the TF magnet structure design. The measured structural behaviors are compared with the estimated behavior from the design analyses. The discrepancy between measured and estimated behaviors has to be analyzed and a correction method will be introduced. The study will be helpful to monitor exactly the safety operation of the KSTAR superconducting magnet system as well as to develop a small fusion reactor for DEMO.
Published Version
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