About KSTAR

Click below for information on KSTAR:


Project Mission

The mission of the KSTAR project is to develop a steady-state-capable advanced superconducting tokamak to establish the scientific and technological bases for an attractive fusion reactor as a future energy source.

Research Objectives


Design Features


Role in World-Wide Fusion Research


Technical Benefits

Successful construction and operation of KSTAR will advance Korea's scientific and technological capability in significant ways.

Machine Parameters

Parameter Units Initial Upgrade
Major Radius, R0 m 1.8 
Minor Radius, a m 0.5 
Toroidal Field, Bt T 3.5 
Plasma Current, Ip MA 2.0 
Elongation, kx  2.0 
Triangularity, dx  0.8 
Plasma Configuration  Double Null Divertor Double or Single Null Divertor
Heating and Current Drive:   
 Neutral Beam MW 8 24
 Ion Cyclotron MW 6 12
 Lower Hybrid MW 1.5 TBD
 Electron Cyclotron MW TBD* TBD
Plasma Species  H, D 
Flattop Time s 20 300

* The initial ECH complement is provided for pre-ionization and startup assist.

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