Trim Coil for WENDELSTEIN 7-X

10 water-cooled non-planar trim coils to be installed inside plasma chamber of the German fusion experiment W7-X.

The normal conducting coils are made out of a hollow copper conductor and are cooled by water.

Customer: Max Planck Institute for Plasma Physics, Greifswald Division

Duration of project: 2004 - 2008

Technical Data of a Coil:

Dimensions: 2035 mm x 356 mm
Weight: ca. 200 kg
Input Voltage: -30 V - + 30 V
Peak Current: -3125 A - + 3125 A
Inductivity: 0,188 mH
Mode of Operation: AC& DC


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