Design and testing of low capacitance, 80-kV source cables for MFTF sustaining neutral beam power supplies

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In this paper we summarize characteristics of several cable configurations and consider one design in detail, which consists of twelve, 250 MCM arc cables, ten 4/0 filament cables, and accel, gradient grid, control, and instrumentation cables within a circular split Al pipe. The pipe is air insulated from an outer 24-in. x 24-in. steel duct by utility pin insulators. Varying run lengths require adjustment of the arc inductance by variation of cross sectional cable position. Equilibrium heat transfer analysis indicates the pulse-off time for source conditioning must be somewhat greater than 60 s to keep conductor temperatures below 90/sup 0/C. ... continued below

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Pages: 6

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Mayhall, D.J. & Shimer, D.W. November 8, 1979.

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  • Lawrence Livermore Laboratory
    Publisher Info: California Univ., Livermore (USA). Lawrence Livermore Lab.
    Place of Publication: Livermore, California

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Description

In this paper we summarize characteristics of several cable configurations and consider one design in detail, which consists of twelve, 250 MCM arc cables, ten 4/0 filament cables, and accel, gradient grid, control, and instrumentation cables within a circular split Al pipe. The pipe is air insulated from an outer 24-in. x 24-in. steel duct by utility pin insulators. Varying run lengths require adjustment of the arc inductance by variation of cross sectional cable position. Equilibrium heat transfer analysis indicates the pulse-off time for source conditioning must be somewhat greater than 60 s to keep conductor temperatures below 90/sup 0/C. The results of a high voltage test of a model cable are presented.

Physical Description

Pages: 6

Notes

Dep. NTIS, PC A02/MF A01.

Source

  • 8. symposium on engineering problems of fusion research, San Francisco, CA, USA, 13 Nov 1979

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  • Report No.: UCRL-82954
  • Report No.: CONF-791102-28
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 5694976
  • Archival Resource Key: ark:/67531/metadc1092185

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Office of Scientific & Technical Information Technical Reports

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  • November 8, 1979

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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  • May 8, 2018, 12:15 p.m.

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Mayhall, D.J. & Shimer, D.W. Design and testing of low capacitance, 80-kV source cables for MFTF sustaining neutral beam power supplies, article, November 8, 1979; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc1092185/: accessed October 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.