1 r. panek, o. mikus compass – new fusion facility in a new eu country radomir panek institute of...
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1R. Panek, O. Mikus R. Panek, O. Mikus
COMPASS – new fusion facility in a new EU country
Radomir Panek Institute of Plasma Physics ASCR, v.v.i
Za Slovankou 3, PragueCzech Republic
Oldrich MikusCKD Nove Energo
Klecakova 1947, PragueCzech Republic
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2R. Panek, O. Mikus R. Panek, O. Mikus
Basic parameters
Major radius 0.56 m
Minor radius 0.2 m
Plasma current <350 kA
Magnetic field 0.8–2.1T
Triangularity ~ 0.5
Elongation ~ 1.6
Pulse length < 1 s
The COMPASS tokamak installed in IPP ASCR, Prague
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3R. Panek, O. Mikus R. Panek, O. Mikus
• 1991 – 2001 – COMPASS-D in operation in UKAEA Culham Science Center, UK.
• Autumn 2004 - COMPASS-D officially offered by UKAEA and EURATOM to Institute of Plasma Physics Academy of Sciences of the Czech Republic (IPP ASCR).
• 2005 – preparatory work in IPP ASCR
• July 2006 – CCE-Fu EURATOM granted the Preferential support - Start of the Project
• July - December 2006 – tenders for the new building and power supplies
• 2007 - dismantling of COMPASS at Culham.
- construction of the new building, manufacturing of new power supplies, transport of COMPASS to IPP Prague
- December 2007 – installation of COMPASS into new tokamak hall
• 2008 – Commissioning of new power supplies, installation of basic diagnostics, control system
• December 9, 2008 – First plasma
• February 19, 2009 – official start of the tokamak operation
History of the COMPASS project
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4R. Panek, O. Mikus R. Panek, O. Mikus
Main COMPASS features:
• ITER-like geometry with a single-null-divertor
• Tokamak with a clear H-mode in ohmic regime
• Neutral beam injection heating system – for ion heating (relevant plasma performance Neutral beam injection heating system – for ion heating (relevant plasma performance to big tokamaks and ITER)to big tokamaks and ITER)
• Unique set of saddle coils for the resonant magnetic perturbation.
• Advanced diagnostics focused on the edge plasma. Advanced diagnostics focused on the edge plasma.
Main features COMPASS in IPP Prague
Official start of COMPASS operation
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5R. Panek, O. Mikus R. Panek, O. Mikus
Departure from Culham
COMPASS transport and new building
New tokamak building
Lift of COMPASS in UKAEA Culham
Model of the new COMPASS hall
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6R. Panek, O. Mikus R. Panek, O. Mikus
• COMPASS-D input power at UKAEA ≈ 50-60 MW for 3 sec – taken from local grid
• Grid power available in IPP Prague ≈ 1 MW => need of a different power supply system and
energy accumulation => two fly-wheel generators + current control system (CKD group)
2007 – 2008 – tender, design, manufacturing, installation and commissioning of power
supplies
Power supplies for COMPASS
Fly-wheel generators produced by CKD Group and installed in IPP ASCR
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7R. Panek, O. Mikus R. Panek, O. Mikus
Conclusion
• New fusion experiment built in new EU country to address some of key scientific problems of ITER and to perform relevant fusion research in the frame of EURATOM.
• The project followed very tight timetable agreed with EURATOM (transport, design and installations of many new system, etc).
• Strong collaboration with
– industry – building construction, cooling system, power supply system (CKD Group)
– many European fusion laboratories (Hungary, Portugal, Germany, Great Britain, France, etc).
• Education of new generation of European fusion scientists.
• Strong interest of European laboratories in COMPASS exploitation have been expressed.
• Next main steps :
– 2009 – Optimization of the plasma performance, installation of advanced diagnostics,
– 2010 – Installation of Neutral Beam Injection Heating system