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Open loop characterization of an active control system of MHD modes
KTH, School of Electrical Engineering (EES), Fusion Plasma Physics.ORCID iD: 0000-0002-5259-0458
2005 (English)In: Proceedings of the 23rd Symposium of Fusion Technology, 2005, Vol. 74, no 1-4, 555-560 p.Conference paper (Refereed)
Abstract [en]

During the last year different saddle coil set-ups were tested on EXTRAP T2R performing experiments of plasma MHD modes active control. In particular, a series of shots both without and with plasma were aimed at the electromagnetic characterization of the open loop system and to the validation of a model developed for the design of a digital control system. A very good agreement was observed between model and experiment both in terms of single coil electromagnetic parameters and in terms of harmonic distribution at different frequencies. The quality of the harmonic content as a function of the number of active coils was also analysed. Finally, encouraging results were obtained comparing theoretical and experimental growth rates of unstable modes after applying static perturbations of different toroidal order n.

Place, publisher, year, edition, pages
2005. Vol. 74, no 1-4, 555-560 p.
, Fusion engineering and design, ISSN 0920-3796
Keyword [en]
MHD mode activity control, electromagnetic characterization, model validation
National Category
Fusion, Plasma and Space Physics
URN: urn:nbn:se:kth:diva-25629DOI: 10.1016/j.fusengdes.2005.06.204ISI: 000233886800083ScopusID: 2-s2.0-27844552982OAI: diva2:369559
23rd Symposium on Fusion Technology (SOFT 23)
QC 20101111Available from: 2010-11-11 Created: 2010-10-27 Last updated: 2010-11-11Bibliographically approved

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