Using APCS for Plasma Vertical Control at TCV
- Cruz, N.
- Moret, J.-M.
- Coda, S.
- Paley, J. I.
- Duval, B. P.
- Rodrigues, A. P.
- Piras, F.
- Felici, F.
- Correia, C. M. B. A.
- Varandas, C. A. F.
Publication date
December 2011
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)Abstract
Early tokamaks with circular cross-section plasmas were vertically stable in nature and no problems were reported on the control of the vertical position. However, the concept of vertically elongated plasma cross-section, with benefits to the energy confinement time, led to vertical instabilities. To overcome this problem, complex closed feedback loop control systems with a vertical position measurement, signal processing, control algorithm, power supplies and active actuating coils are used
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