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U.S. Department of Energy
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Equilibrium field coil system for the Argonne EPR design. [NbTi]

Conference ·
OSTI ID:5223437
The equilibrium field (EF) coil system for the Argonne Experimental Power Reactor (EPR) and the methods by which it has been designed are described. The number of coils, their placement, and the currents in them are fixed by considerations of the trade off between the stored energy in the coils and the closeness with which the required magnetohydrodynamic (MHD) equilibrium can be matched. The bulk of the equilibrium field is produced by superconducting coils outside the toroidal field (TF) coils. These coils are decoupled from the ohmic heating (OH) system. Normal conducting coils just outside the vacuum chamber are also provided for fine control. The amount of D-shapedness of the plasma cross section is found to be limited. The reference design EF coil system configuration is described, and the internal configuration of the conductor and implications of the EF coil system on the reactor burn cycle and on the driving system costs are discussed.
Research Organization:
Argonne National Lab., Ill. (USA)
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
5223437
Report Number(s):
CONF-771029-181
Country of Publication:
United States
Language:
English