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For WENDELSTEIN VII-X, the next step stellarator experiment at IPP Garching, a Helias configuration was chosen. The goals of WENDELSTEIN VII-X are to continue the development of the modular stellarator and demonstrate the reactor capability of this stellarator line. The main data of the selected HS5-10 configuration with five field periods are: major radius R(0) 5.5 m, magnetic induction B(0) 3T and stored magnetic energy W approximately 0.6 GJ. For comparison with the superconducting coil system which is foreseen for WENDELSTEIN VII-X, a pulsed water-cooled normal-conducting version was designed in order to explore the limitations and restrictions of this approach. Its limitations are the high ohmic power dissipated in the coils and the electric energy currently available at IPP. In this report the time-dependent current and resistance of the coil system circuit is considered; the electric power needed, the total dissipated energy, and the temperature rise of the coil copper are calculated. Scaling laws are derived and parameter studies are made by varying the geometrical dimensions of the system.

Additional information

Authors: HARMEYER E, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);KISSLINGER J, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);RAU F ET AL., Max-Planck-Institut für Plasmaphysik, Garching bei München (DE)
Bibliographic Reference: Report: IPP 2/310 EN (1990) 20 pp.
Availability: Available from Max-Planck-Institut für Plasmaphysik, 8046 Garching bei München (DE)
Record Number: 199110049 / Last updated on: 1994-12-02
Original language: en
Available languages: en