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KSTAR - Experimental Web

Project Status

Commissioning Process

Commissioning Process

- Successfully operation of the superconducting tokamak in the first trial without any defect to prevent operation and plasma experiment
- Successfully achievement of the 2nd harmonic ECH pre-ionization for the lower voltage plasma discharge

Brief history of KSTAR operation

Year Achievement
2008 First plasma (Ip > 100 kA, BT ~ 1.5 T, 84 GHz ECH)
2010 First H-mode (Ip ~ 600 kA, PNBI ~ 1 MW)
2011 ELM suppression (n=1 RMPs), 1 MA discharge (L-mode)
2012 Stationary H-mode (~16 sec @ 600 kA)
Surpass n = 1 ideal no-wall limit (βN ~ 2.9, βN/li ~ 4.1)
2013 Stationary H-mode (~20 sec @ 500 kA)
Error field measurement (~10-5)

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