NDLI: Challenges in Designing the Modular Coils for the National Compact Stellarator Experiment (NCSX)

Content Provider	IEEE Xplore Digital Library
Author	Williamson, D. Brooks, A. Brown T. Chrzanowski, J. Cole, M. Fan, H.-M. Freudenberg, K. Fogarty, P. Hargrove, T. Heitzenroeder, P. Lovett, G. Nelson, B. Raftopolous, S. Reiersen, W. Stratton, B. Strickler, D.
Copyright Year	2005
Description	Author affiliation: Oak Ridge Nat. Lab., TN (Williamson, D.)
Abstract	The National Compact Stellarator Experiment (NCSX) is a quasi-axisymmetric plasma experiment that combines the high beta and good confinement of an advanced tokamak with the low current, disruption-free characteristics of a stellarator. The experiment is based on a three field-period plasma configuration with an average major radius of 1.4 m, a minor radius of 0.3 m, and a toroidal magnetic field on axis of up to 2 T. The modular coils are one set in a complex assembly of four coil systems that surround the highly shaped plasma. There are six each of three coil types in the assembly, for a total of 18 modular coils. The coils are constructed by winding copper cable onto a cast stainless steel winding form that has been machined to high accuracy, so that the current center of the winding pack is within +/-1.5 mm of its theoretical position. The modular coils operate at a temperature of 80 K and are subjected to rapid heating and stress during a pulse. The final coil design has presented many challenges with its requirements for winding accuracy, good thermal performance, a robust supporting structure, and ease of assembly and maintenance
Starting Page	1
Ending Page	4
File Size	4117414
Page Count	4
File Format	PDF
ISBN	0424401596
DOI	10.1109/FUSION.2005.252889
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Coils Plasma confinement Machine windings Plasma properties Magnetic confinement Tokamaks Toroidal magnetic fields Assembly systems Copper Steel design Stellarator modular coil electromagnetic
Content Type	Text
Resource Type	Article

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Design of the vacuum liner for the National Compact Stellarator Experiment (NCSX)

Design and analysis of the modular coils for the National Compact Stellarator Experiment (NCSX)

Design of the National Compact Stellarator Experiment (NCSX) core

Design description of the saddle coils for the National Compact Stellarator Experiment (NCSX)

Lessons Learned in Risk Management on NCSX

Recent advances in stellarator development

Low distortion welded joints for NCSX*

The Production Phase for the National Compact Stellarator Experiment (NCSX) Modular Coil Winding Forms

Electromagnetic and Linear Structural Analysis of the National Compact Stellarator Experiment (NCSX) Modular Coil System

Challenges in Designing the Modular Coils for the National Compact Stellarator Experiment (NCSX)

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