Four Pulse Drive System for the Beam Induction Cells for DARHT Axis 2

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Description

The proposed drive system allows for the generation of up to four (4) high-quality radiographic pulses along one line-of-sight, having arbitrary pulse spacing ({approximately}500 ns), using demonstrated technologies. This concept uses a four-pulse drive system to drive both a 16-MeV ensemble of 250-kV, 4-kA induction cells and a four-pulse, 4-MeV injector. The key to this approach lies in the method used to combine four pulses from different generators in a manner that does not compromise the voltage flatness requirement of {+-} 1%. The induction cells use core material for only a single pulse. A simple reverse bias circuit is used ... continued below

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Downing, J.; Carlson, R.; Melton, J. & Fockler, J. June 28, 1999.

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Description

The proposed drive system allows for the generation of up to four (4) high-quality radiographic pulses along one line-of-sight, having arbitrary pulse spacing ({approximately}500 ns), using demonstrated technologies. This concept uses a four-pulse drive system to drive both a 16-MeV ensemble of 250-kV, 4-kA induction cells and a four-pulse, 4-MeV injector. The key to this approach lies in the method used to combine four pulses from different generators in a manner that does not compromise the voltage flatness requirement of {+-} 1%. The induction cells use core material for only a single pulse. A simple reverse bias circuit is used to reset the cores between pulses, and the insulator has been redesigned to withstand the reverse reset voltage. This approach can be installed in stages so that the facility can be used for dual axis radiography while implementing the multi-pulsing capability. A dual double-pulse format has been identified which provides a sequence of two pulses along one line-of-sight within a 2-{micro}sec window. The 2-{micro}sec windows can be separated by arbitrary time intervals of 2- to 10-{micro}sec.

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Medium: P; Size: vp.

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INIS; OSTI as DE00761019

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  • 12th IEEE International Pulsed-Power Conference, Monterey, CA (US), 06/28/1999--06/30/1999

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  • Report No.: LA-UR-99-3383
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 761019
  • Archival Resource Key: ark:/67531/metadc720098

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  • June 28, 1999

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  • Sept. 29, 2015, 5:31 a.m.

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  • May 6, 2016, 1:23 p.m.

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Downing, J.; Carlson, R.; Melton, J. & Fockler, J. Four Pulse Drive System for the Beam Induction Cells for DARHT Axis 2, article, June 28, 1999; New Mexico. (digital.library.unt.edu/ark:/67531/metadc720098/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.