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What we accomplished
KSTAR Assembly Procedure and History
- 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
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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
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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
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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
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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
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Diagnostic Systems
- Plasma Parameter Measurements
- Real-time Plasma Control
- Total 11 systems, 140 channels
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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