Achievement of the first tokamak plasma with low inductive electric field in JT-60SA

The world’s largest superconducting tokamak, JT-60SA, has successfully achieved its first plasma operation under the constraint of a low toroidal inductive electric field of 0.15 V m ^−1 . A plasma start-up scenario, leveraging the effective confinement of electrons accelerated by the electron cyclo...

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Bibliographic Details
Published in:Nuclear Fusion
Main Authors: T. Wakatsuki, H. Urano, M. Yoshida, N. Tsujii, S. Inoue, S. Kojima, T. Nakano, M. Fukumoto, Y. Ohtani, R. Sano, S. Ide
Format: Article
Language:English
Published: IOP Publishing 2024-01-01
Subjects:
start-up
JT-60SA
TPC
Online Access:https://doi.org/10.1088/1741-4326/ad75a7
Description
Summary:The world’s largest superconducting tokamak, JT-60SA, has successfully achieved its first plasma operation under the constraint of a low toroidal inductive electric field of 0.15 V m ^−1 . A plasma start-up scenario, leveraging the effective confinement of electrons accelerated by the electron cyclotron wave, proved to be instrumental in reaching this milestone under the challenging conditions. The demonstration of plasma start-up using second harmonic electron cyclotron heating, with an applied toroidal electric field of 0.15 V m ^−1 , strongly validates the feasibility of achieving first plasma operation in ITER.
ISSN:0029-5515

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