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2. Advances and challenges in KSTAR plasma control toward long-pulse, high-performance experiments

Author

Hyunsun Han, Young-Mu Jeon, M. Joung, Jin-Hyuk Chung, T.H. Tak, B.G. Penaflor, A.W. Hyatt, M.W. Lee, J.G. Bak, M. D. Boyer, J.H. Jeong, A.S. Welander, J.L. Barr, Hyun-Seok Kim, Sang-hee Hahn, D. Mueller, Giwook Shin, H.S. Kim, N.W. Eidietis, S.W. Yoon, J. W. Juhn, M.L. Walker, Keith Erickson, D.A. Humphreys, D.A. Piglowski, and M.H. Woo

Subjects
Long pulse, Control algorithm, Computer science, Mechanical Engineering, Fault (power engineering), 01 natural sciences, 010305 fluids & plasmas, Nuclear Energy and Engineering, High plasma, KSTAR, Magnet, 0103 physical sciences, Electronic engineering, Plasma control system, General Materials Science, 010306 general physics, Civil and Structural Engineering, Plasma control
Abstract

An overview of advances and progress on the KSTAR plasma control improvement is given. The enhancement of the KSTAR plasma control system (PCS) continues in order to enable implementations of more sophisticated control algorithms and capabilities of integrated controls on magnets, gas, heating and off-normal event handling. Features and functionalities on the generic magnetic controls, kinetic controls and new fault scheme design are added for the operation space expansion, mainly regarding recent achievements of high plasma current up to 1.1 MA for 10 s, high-performance long pulse up to 90 s, and discharges relevant to ITER research. Technical challenges and prospective upgrades in the near future are described.

Published
2020
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