Fault protection for neutral-beam injection systems

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Description

This paper discusses the accelerating, or main supply for the Neutral Injection System on PLT and, in particular, provides evaluation of a system for protection against the possibility of an arc developing in the accel portion of the ion source gun. The design of a protection scheme utilizing a fast turn-on and turn-off ignitron crowbar is described and evaluated. This crowbar is used to provide backup protection for the ion source high power vacuum tube used as a voltage regulator and series switch. Ignitron crowbars are proposed for use as primary protection of the 150 KV ion source being developed ... continued below

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Pages: 13

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Knauer, R.C.; Ashcroft, D.L.; Murray, J.G. & Newman, R.A. December 1, 1975.

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Description

This paper discusses the accelerating, or main supply for the Neutral Injection System on PLT and, in particular, provides evaluation of a system for protection against the possibility of an arc developing in the accel portion of the ion source gun. The design of a protection scheme utilizing a fast turn-on and turn-off ignitron crowbar is described and evaluated. This crowbar is used to provide backup protection for the ion source high power vacuum tube used as a voltage regulator and series switch. Ignitron crowbars are proposed for use as primary protection of the 150 KV ion source being developed for the Tokamak Fusion Test Reactor (TFTR) if a 150 KV switch tube is not readily available and inexpensive. (auth)

Physical Description

Pages: 13

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Dep. NTIS

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  • IEEE 6. symposium on engineering problems of fusion research, San Diego, California, USA, 17 Nov 1975

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  • Report No.: MATT--1179
  • Report No.: CONF-751125--117
  • Grant Number: E(11-1)-3073
  • Office of Scientific & Technical Information Report Number: 4085577
  • Archival Resource Key: ark:/67531/metadc867346

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  • December 1, 1975

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

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  • Oct. 27, 2016, 7:33 p.m.

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Knauer, R.C.; Ashcroft, D.L.; Murray, J.G. & Newman, R.A. Fault protection for neutral-beam injection systems, article, December 1, 1975; New Jersey. (digital.library.unt.edu/ark:/67531/metadc867346/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.