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What we accomplished

KSTAR Assembly Procedure and History

to the following information
  • step1 Cryostat Support Beam(2002.02)
  • step2 Jig System Base Frame(2004.02)
  • step3 CryoostatBase(2004.02)
  • step4 Jig System:Bottomm Rail(2004.02)
  • step5 Gravity Support(2004.03)
  • step6 JigSystem:main Column(2004.03)
  • step7 Mainjig:Top Frame(2004.03)
  • step8 Assembly Test with TROO(2004.06)
  • step9 Pre-install of PFGL&PF7L(2004.07)
  • step10 Install of W&WTS Module(2005.02)
  • step11 Install of W&WTS Module(2005.02)
  • step12 Re-construction of the Jig(2005.03)
  • step13 Completion of TF Assembly(2005.05)
  • step14 Install of the W Last sector(2006.06)
  • step15 Install of the PFGL&PF7L(2006.07)
  • step16 Install. of PFGU&PF7U(2006.09)
  • step17 Install. of Central Solenld(2006.10)
  • step18 Final Inspection in Cryostat(2006.12)
  • step19 Assembly of Cryostat Cylnder(2007.01)
  • step20 Assembly of Cryostat Lid(2007.04)

The ancillary systems for the KSTAR

  • Cooling water Systems
    Cooling water Systems
    • Cooling water equipment (11MW)
    • D I water (10M -cm, at 25 ) use to cooling
    • In order to reduce a construction cost applied duty factor in experiment device load calculation of pulse loads
    • For economical operating expenses applied two step heat exchange method
  • Helium Refrigeration Systems
    Helium Refrigeration Systems
    • Compressor Station (1,100 g/s, 3.6 MW)
    • Cold Box ( 9 kW@4.5 K)
    • Distribution Box (600 g/s@4.5 K)
    • Gas Management System (32 g/s)
    • Pure & Impure GHe Buffer Tank (700 m3)
    • LHe Tank & LN2 Supply System
  • Magnet power supply
    Magnet power supply
    • TF MPS : Current 40 kA(max.) and continuous operation
    • PF MPS : Current 25 kA(max.) and pulse operation
    • Control : Real time control (based on VME and EPICS
    • Quench protection circuit
  • Heating Systems
    Heating Systems
    • ECH (Electron Cyclotron Heating)
      • 84 GHz, 500 kW (2 s) start-up (pre-ionization) & heating
      • 1.5 MVA Inverter-type gyrotron power supply
      • Low loss evacuated circular corrugated waveguide transmission system (1.25” ID)
    • ICRF (Ion Cyclotron Range of Frequencies)
      • 30-60 MHz, 2 MW (300 s) RF heating & current drive
      • 6 MW, 4-strap antenna
      • 9” coaxial waveguide transmission system
  • Diagnostic Systems
    Diagnostic Systems
    • Plasma Parameter Measurements
    • Real-time Plasma Control
    • Total 11 systems, 140 channels
  • Main control Systems
    Main control Systems
    • Using the EPICS(Experimental Physics and Industrial Control System) to integrate heterogeneous local control systems
    • Network-based Distributed system using five different networks
    • Having a real-time feedback controllability