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Control of magnetic instabilities in fusion plasmas

This course discusses the state-of-the-art techniques to control or suppress magnetic instabilities in fusion plasmas.

Contents:

The stability and performance of tokamak plasmas is limited by instabilities such as (neoclassical) tearing modes (NTM). Tools and techniques to suppress and/or stabilize tearing modes are recognized as a necessity to guarantee the viability of a future energy plant. Successful NTM control requires a tight integration of physics, (power) electronics, mechanics and control.

In this course the following subjects are treated:

  • Definition of the control problem. Identification of problems with sensing, modeling and actuation
  • Plasma confinement modes and operational limits (L-mode and H-mode)
  • Actuators and sensors for NTM control (ECRH, ECE)
  • The dynamics and the control of magnetic islands
  • Sawteeth dynamics and sawteeth control
  • Burn control
  • Gyrotron and launcher control
  • Modeling and integration
Course ID: 
4SC030
Institution: 
Eindhoven University of Technology, the Netherlands