Demonstration of sawtooth period locking with power modulation in TCV plasmas

M. Lauret, F. Felici, G. Witvoet, T.P. Goodman, G. Vandersteen, O. Sauter, M.R. Baar, de

Research output: Contribution to journalArticleAcademicpeer-review

22 Citations (Scopus)

Abstract

Corroborating evidence is presented that the sawtooth period can follow the modulation frequency of an externally applied high power electron cyclotron wave source. Precise, fast and robust open loop control of the sawtooth period with a continuously changing reference period has been achieved. This period locking is not associated with the crash, but with the phase evolution of the inter-crash dynamics. This opens new possibilities of open loop control for physics studies and maybe for reactor performance control.
Original languageEnglish
Article number062002
Pages (from-to)1-4
Number of pages4
JournalNuclear Fusion
Volume52
Issue number6
DOIs
Publication statusPublished - 2012

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