High speed transfer switch with 50 kA and 50 kV

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Description

This paper gives the mechanical design and electrical parameters of a pneumatically operated transfer switch. This design is used to switch 3-second 50-kA current pulses, and is easily capable of 75 kA operation (2 {times} 10{sup 10} I{sup 2}t); with water-cooled versions capable of 20 kA continuously. Although the switch is not specifically designed to make or break 50 kA, it is provided with auxiliary Elkonite arcing contacts have proven their value in protecting the main electrodes even under repetitive (50 kA) fault conditions. Included in this presentation will be the results of extensive life testing and associated criteria. 6 ... continued below

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Pages: (5 p)

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Reass, W.A.; Kasik, R.J. & Wilds, W.A. January 1, 1989.

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Description

This paper gives the mechanical design and electrical parameters of a pneumatically operated transfer switch. This design is used to switch 3-second 50-kA current pulses, and is easily capable of 75 kA operation (2 {times} 10{sup 10} I{sup 2}t); with water-cooled versions capable of 20 kA continuously. Although the switch is not specifically designed to make or break 50 kA, it is provided with auxiliary Elkonite arcing contacts have proven their value in protecting the main electrodes even under repetitive (50 kA) fault conditions. Included in this presentation will be the results of extensive life testing and associated criteria. 6 figs., 1 tab.

Physical Description

Pages: (5 p)

Notes

NTIS, PC A02/MF A01; OSTI; INIS; GPO Dep.

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  • 13. international symposium on fusion engineering, Knoxville, TN (USA), 2-6 Oct 1989

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  • Other: DE90002448
  • Report No.: LA-UR-89-3291
  • Report No.: CONF-891007--61
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5587959
  • Archival Resource Key: ark:/67531/metadc1087448

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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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  • January 1, 1989

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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Reass, W.A.; Kasik, R.J. & Wilds, W.A. High speed transfer switch with 50 kA and 50 kV, article, January 1, 1989; United States. (digital.library.unt.edu/ark:/67531/metadc1087448/: accessed April 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.