The first plasma breakdown in Thailand Tokamak - 1 using the Ohmic heating and double swing flux methods based on magnetic field analysis

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Author list: Suksaengpanomrung S.; Chen D.; Poolyarat N.; Luo Z.; Shen B.; Tamman A.; Huang Y.; Wonghabut P.; Nilgumhang K.; Promping J.; Dangtip S.; Wisitsorasak A.; Sangaroon S.; Chatthong B.; Klaywittapat P.; Nupangtha W.; Wijaikum A.; Onjun T.

Publisher: Elsevier

Publication year: 2025

Journal acronym: FED

Volume number: 211

ISSN: 0920-3796

eISSN: 1873-7196

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85215129051&doi=10.1016%2fj.fusengdes.2024.114781&partnerID=40&md5=639ffc216b5eec60489dff82c930fa74

Languages: English-Great Britain (EN-GB)

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Abstract

Thailand Tokamak - 1 is a compact, circular-shaped tokamak with major and minor radii of 0.65 m and 0.20 m, respectively. It successfully achieved its first plasma in 2023, generating a maximum plasma current of approximately 100 kA, in line with the magnetic field induction work sequence of the magnet system in Thailand Tokamak - 1. This paper presents the design and measurement of the magnet system in Thailand Tokamak - 1, where the vacuum magnetic field was measured using diamagnetic loops and a rack of magnetic probes inserted into a vacuum chamber. Additionally, the Ohmic discharge process and its characteristic behavior in the experiment are described and analyzed. © 2024

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