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Trim Coils for ASDEX

Trim Coils for ASDEX

To mitigate MHD instabilities such as Edge Localized Modes (ELMs), the ASDEX upgrade experiment was equipped with 16 three dimensionally shaped trim coils.

The winding pack was insulated and embedded in a case made of thin Inconel sheets. Impregnation for insulation and embedding was performed in a one step process.

Since the coils are placed inside the plasma vessel, the coils have to be tested against UHV.

Special manufacturing processes have been qualified for the fabrication of these coils – e.g. punch-drawing, 3D laser cutting and laser welding of the Inconel casing.

 

 

Customer: Max Planck Institute for Plasma Physics, Garching.
 
Project Duration: Dec. 2008 - Dec. 2010


Technical Data

Dimensions1.500 x 400 mm
Water-Cooled ConductorOFHC copper
UHV Requirement< 10 - 9 mbar
Input Voltage± 220 V
Max. Current± 1000 A
Inductivity50 mH
Operating CurrentAC & DC

Contact

Michael Gehring

Michael Gehring

Michael Gehring

Sales
Babcock Noell GmbH
Alfred Nobel Str. 20
97080 Würzburg
Germany

Phone: +49 931 903-6031
Fax: +49 931 903-6010

Dr. Wolfgang Walter

Wolfgang Walter

Dr. Wolfgang Walter

Head of Division
Babcock Noell GmbH
Alfred Nobel Str. 20
97080 Würzburg
Germany

Phone: +49 931 903-6054
Fax: +49 931 903-6010