NSTX Machine Ratings

System Parameter Rating
Plasma Major Radius (R0) 85.4 cm
  Aspect Ratio (R/a) 1.26
  Volume 12m3
  Elongation 1.6 ≤ k ≤ 2.2
  Triangularity 0.2 ≤ d ≤ 0.5
  Current 1.0 MA
  Ramp Time 0.2 - 0.4 sec
  Flat Top (Inductive) 0.5 sec per 600 sec
  Flat Top (non-Inductive) 5.0 sec per 300 sec
     
Toroidal Field Field @ R0 3.0/6.0 kG
     
Ohmic Heating Flux (double swing) 0.6 volt-sec
  Initiation Loop Voltage @ R0 5.0 volt/turn
     
Heating/ High Harmonic Fast Wave (HHFW) RF 6.0 MW, 30MHz, 5 sec
Current Drive Coaxial Helicity Injection (CHI) 500kA via 50kA injection @ 1kV
  Neutral Beam Injection Upgrade (NBI) 5.0 MW, 80kV, 5 sec
     
Pre-Ionization Electron Cyclotron 30kW, 18GHz, 0.1 sec
     
Bakeout Bakeout Temperature 350oC PFCs, 150oC VV

Last Updated on 1/16/01
By Charles Neumeyer