Coil winding development support for the Large Coil Program
Conference
·
OSTI ID:5384859
A coil winding facility at Oak Ridge National Laboratory has been utilized for the practice winding of the type of conductors used in the Large Coil Program (LCP) on a D shaped bobbin that is approximately 2.5 m x 3.0 m. Pancake and layer windings using copper conductors that simulate LCP-type superconductors have been wound both flat and on edge at tensions up to 8500 N. A method has been developed for winding a pancake coil without splicing the conductor. A small pulsed superconducting coil has been fabricated (63.5-mm bore, 7-T field) to illustrate this spliceless pancake method. This coil also demonstrates that by winding several different superconductors simultaneously, grading can be achieved and space and cost can be optimized. A concept is proposed for winding large Nb/sub 3/Sn superconducting coils before reacting, thus avoiding damage from winding stresses after the conductor is brittle. Also described is a method of insulating after winding and reacting.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- Sponsoring Organization:
- USDOE Office of Fusion Energy
- DOE Contract Number:
- W-7405-ENG-26
- OSTI ID:
- 5384859
- Report Number(s):
- CONF-791102--150(Draft)
- Country of Publication:
- United States
- Language:
- English
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