Manufacturing Development of the NCSX Modular Coil Windings

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The modular coils on the National Compact Stellarator Experiment (NCSX) present a number of significant engineering challenges due to their complex shapes, requirements for high dimensional accuracy and the high current density required in the modular coils due to space constraints. In order to address these challenges, an R&D program was established to develop the conductor, insulation scheme, manufacturing techniques, and procedures. A prototype winding named Twisted Racetrack Coil (TRC) was of particular importance in dealing with these challenges. The TRC included a complex shaped winding form, conductor, insulation scheme, leads and termination, cooling system and coil clamps typical of ... continued below

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Chrzanowski JH, Fogarty PJ, Heitzenroeder PJ, Meighan T, Nelson B, Raftopoulos S, Williamson D September 27, 2005.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 12 times . More information about this report can be viewed below.

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Description

The modular coils on the National Compact Stellarator Experiment (NCSX) present a number of significant engineering challenges due to their complex shapes, requirements for high dimensional accuracy and the high current density required in the modular coils due to space constraints. In order to address these challenges, an R&D program was established to develop the conductor, insulation scheme, manufacturing techniques, and procedures. A prototype winding named Twisted Racetrack Coil (TRC) was of particular importance in dealing with these challenges. The TRC included a complex shaped winding form, conductor, insulation scheme, leads and termination, cooling system and coil clamps typical of the modular coil design. Even though the TRC is smaller in size than a modular coil, its similar complex geometry provided invaluable information in developing the final design, metrology techniques and development of manufacturing procedures. In addition a discussion of the development of the copper rope conductor including "Keystoning" concerns; the epoxy impregnation system (VPI) plus the tooling and equipment required to manufacture the modular coils will be presented.

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  • Related Information: Presented at: the Twenty-First Symposium on Fusion Engineering (SOFE2005), 26 - 29 September 2005, Knoxville, Tennessee USA

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  • Report No.: PPPL-4109
  • Grant Number: DE-AC02-76CH03073
  • Office of Scientific & Technical Information Report Number: 899520
  • Archival Resource Key: ark:/67531/metadc889484

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • September 27, 2005

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  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 18, 2016, 10:01 p.m.

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Chrzanowski JH, Fogarty PJ, Heitzenroeder PJ, Meighan T, Nelson B, Raftopoulos S, Williamson D. Manufacturing Development of the NCSX Modular Coil Windings, report, September 27, 2005; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc889484/: accessed April 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.