Adaptive plasma current control in RFX-mod (Articolo in rivista)

Type
Label
  • Adaptive plasma current control in RFX-mod (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.fusengdes.2011.03.049 (literal)
Alternative label
  • Paolo Bettini; Franco Blanchini; Roberto Cavazzana; Giuseppe Marchiori; Stefano Miani; Anton Soppelsa (2011)
    Adaptive plasma current control in RFX-mod
    in Fusion engineering and design; ELSEVIER SCIENCE SA, PO BOX 564, 1001 LAUSANNE (Svizzera)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Paolo Bettini; Franco Blanchini; Roberto Cavazzana; Giuseppe Marchiori; Stefano Miani; Anton Soppelsa (literal)
Pagina inizio
  • 1005 (literal)
Pagina fine
  • 1008 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • La rivista è pubblicata anche online con ISSN 1873-7196. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S092037961100322X (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 86 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • Issues: 6-8 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 6-8 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a Consorzio RFX, Associazione Euratom ENEA per la fusione, Corso StatiUniti 4, 35127 Padova, Italy; - b DIE, Università degli Studi di Padova, Via Gradenigo 6/A, 35131 Padova, Italy; - c DIMI, Università degli Studi di Udine, Via delle Scienze 208, 33100 Udine, Italy; - d DIEGM, Università degli Studi di Udine, Via delle Scienze 208, 33100 Udine, Italy. - (Paolo Bettini b, Franco Blanchini c, Roberto Cavazzana a, Giuseppe Marchiori a, Stefano Miani d, Anton Soppelsa a) (literal)
Titolo
  • Adaptive plasma current control in RFX-mod (literal)
Abstract
  • Plasma current control was experimented in the RFX machine in early nineties with unsatisfactory results due to the frequent onset of unstable regimes leading to increasing voltage demand and saturation of the flat-top power supply. More recently, taking advantage of the new operating conditions disclosed by the active control system of MHD modes and the flexibility of digital systems, the plasma current control has appeared feasible again. A design of the controller according to adaptive control techniques is presented along with the definition of transition rules through the different phases of the pulse. A zero-dimensional model has been used for the design of a regulator for flat-top operation. The digital implementation has allowed a flexible control strategy depending on the actual values of selected plasma parameters. In particular, a real-time estimation of the plasma resistance has been used to drive the control system through different regulators in a stable transfer mode. The paper presents, in addition, the results of experimental campaigns which have been carried out using the new plasma current controller. (literal)
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