First experimental results with the Current Limit Avoidance System at the JET tokamak

G. De Tommasi; S. Galeani; S. Jachmich; E. Joffrin; M. Lennholm; P. J. Lomas; A. C. Neto; F. Maviglia; P. McCullen; A. Pironti; F. G. Rimini; A. C.C. Sips; G. Varano; R. Vitelli; L. Zaccarian

doi:10.1016/j.fusengdes.2013.04.018

First experimental results with the Current Limit Avoidance System at the JET tokamak

G. De Tommasi
, S. Galeani
, S. Jachmich
, E. Joffrin
, M. Lennholm
, P. J. Lomas
, A. C. Neto
, F. Maviglia
, P. McCullen
, A. Pironti
, F. G. Rimini
, A. C.C. Sips
, G. Varano
, R. Vitelli
, L. Zaccarian

Laboratory for Plasma Physics

University of Napoli 'Federico II'
University of Rome Tor Vergata
Commissariat à l'Énergie Atomique (CEA)
Culham Centre for Fusion Energy
European Commission
Instituto Superior Técnico
Association EURATOM-ENEA-CREATE
LAAS

Publikation: Beitrag in Fachzeitschrift › Artikel › Begutachtung

4 Zitate (Scopus)

Abstract

The Current Limit Avoidance System (CLA) has been recently deployed at the JET tokamak to avoid current saturations in the poloidal field (PF) coils when the eXtreme Shape Controller is used to control the plasma shape. In order to cope with the current saturation limits, the CLA exploits the redundancy of the PF coils system to automatically obtain almost the same plasma shape using a different combination of currents in the PF coils. In the presence of disturbances it tries to avoid the current saturations by relaxing the constraints on the plasma shape control. The CLA system has been successfully implemented on the JET tokamak and fully commissioned in 2011. This paper presents the first experimental results achieved in 2011-2012 during the restart and the ITER-like wall campaigns at JET.

Originalsprache	Englisch
Seiten (von - bis)	400-407
Seitenumfang	8
Fachzeitschrift	Fusion Engineering and Design
Jahrgang	88
Ausgabenummer	5
DOIs	https://doi.org/10.1016/j.fusengdes.2013.04.018
Publikationsstatus	Veröffentlicht - Juni 2013

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10.1016/j.fusengdes.2013.04.018

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De Tommasi, G., Galeani, S., Jachmich, S., Joffrin, E., Lennholm, M., Lomas, P. J., Neto, A. C., Maviglia, F., McCullen, P., Pironti, A., Rimini, F. G., Sips, A. C. C., Varano, G., Vitelli, R., & Zaccarian, L. (2013). First experimental results with the Current Limit Avoidance System at the JET tokamak. Fusion Engineering and Design, 88(5), 400-407. https://doi.org/10.1016/j.fusengdes.2013.04.018

@article{ecdc9252065b4c21a83f4d8be28d3b45,

title = "First experimental results with the Current Limit Avoidance System at the JET tokamak",

abstract = "The Current Limit Avoidance System (CLA) has been recently deployed at the JET tokamak to avoid current saturations in the poloidal field (PF) coils when the eXtreme Shape Controller is used to control the plasma shape. In order to cope with the current saturation limits, the CLA exploits the redundancy of the PF coils system to automatically obtain almost the same plasma shape using a different combination of currents in the PF coils. In the presence of disturbances it tries to avoid the current saturations by relaxing the constraints on the plasma shape control. The CLA system has been successfully implemented on the JET tokamak and fully commissioned in 2011. This paper presents the first experimental results achieved in 2011-2012 during the restart and the ITER-like wall campaigns at JET.",

keywords = "Input allocation, Nuclear fusion, Shape control",

author = "\{De Tommasi\}, G. and S. Galeani and S. Jachmich and E. Joffrin and M. Lennholm and Lomas, \{P. J.\} and Neto, \{A. C.\} and F. Maviglia and P. McCullen and A. Pironti and Rimini, \{F. G.\} and Sips, \{A. C.C.\} and G. Varano and R. Vitelli and L. Zaccarian",

year = "2013",

month = jun,

doi = "10.1016/j.fusengdes.2013.04.018",

language = "English",

volume = "88",

pages = "400--407",

journal = "Fusion Engineering and Design",

issn = "0920-3796",

number = "5",

}

De Tommasi, G, Galeani, S, Jachmich, S, Joffrin, E, Lennholm, M, Lomas, PJ, Neto, AC, Maviglia, F, McCullen, P, Pironti, A, Rimini, FG, Sips, ACC, Varano, G, Vitelli, R & Zaccarian, L 2013, 'First experimental results with the Current Limit Avoidance System at the JET tokamak', Fusion Engineering and Design, Jg. 88, Nr. 5, S. 400-407. https://doi.org/10.1016/j.fusengdes.2013.04.018

TY - JOUR

T1 - First experimental results with the Current Limit Avoidance System at the JET tokamak

AU - De Tommasi, G.

AU - Galeani, S.

AU - Jachmich, S.

AU - Joffrin, E.

AU - Lennholm, M.

AU - Lomas, P. J.

AU - Neto, A. C.

AU - Maviglia, F.

AU - McCullen, P.

AU - Pironti, A.

AU - Rimini, F. G.

AU - Sips, A. C.C.

AU - Varano, G.

AU - Vitelli, R.

AU - Zaccarian, L.

PY - 2013/6

Y1 - 2013/6

N2 - The Current Limit Avoidance System (CLA) has been recently deployed at the JET tokamak to avoid current saturations in the poloidal field (PF) coils when the eXtreme Shape Controller is used to control the plasma shape. In order to cope with the current saturation limits, the CLA exploits the redundancy of the PF coils system to automatically obtain almost the same plasma shape using a different combination of currents in the PF coils. In the presence of disturbances it tries to avoid the current saturations by relaxing the constraints on the plasma shape control. The CLA system has been successfully implemented on the JET tokamak and fully commissioned in 2011. This paper presents the first experimental results achieved in 2011-2012 during the restart and the ITER-like wall campaigns at JET.

AB - The Current Limit Avoidance System (CLA) has been recently deployed at the JET tokamak to avoid current saturations in the poloidal field (PF) coils when the eXtreme Shape Controller is used to control the plasma shape. In order to cope with the current saturation limits, the CLA exploits the redundancy of the PF coils system to automatically obtain almost the same plasma shape using a different combination of currents in the PF coils. In the presence of disturbances it tries to avoid the current saturations by relaxing the constraints on the plasma shape control. The CLA system has been successfully implemented on the JET tokamak and fully commissioned in 2011. This paper presents the first experimental results achieved in 2011-2012 during the restart and the ITER-like wall campaigns at JET.

KW - Input allocation

KW - Nuclear fusion

KW - Shape control

UR - https://www.scopus.com/pages/publications/84877825895

U2 - 10.1016/j.fusengdes.2013.04.018

DO - 10.1016/j.fusengdes.2013.04.018

M3 - Article

AN - SCOPUS:84877825895

SN - 0920-3796

VL - 88

SP - 400

EP - 407

JO - Fusion Engineering and Design

JF - Fusion Engineering and Design

IS - 5

ER -

First experimental results with the Current Limit Avoidance System at the JET tokamak

Abstract

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