A High-Voltage Pulse Transformer for Explosive Pulsed-Power Devices

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Description

It is often necessary to use a high-voltage pulse transformer for impedance matching an explosive generator to a higher impedance load. Also, a particular application may require high-voltage rather than the high current which flux compressor generators (FCGs) normally deliver when driving suitable low impedance loads. We have designed and built transformers for use with FCGs. They are air-core transformers with measured coupling coefficients in the range of 0.88 to 0.94. The turns ratio for these transformers vary from 10 to 40. We have used these transformers in FCG shots and have measured 250 kV and 250 kA on the ... continued below

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Fortgang, C.; Erickson, G.A. & Goettee, J. October 1, 1998.

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Description

It is often necessary to use a high-voltage pulse transformer for impedance matching an explosive generator to a higher impedance load. Also, a particular application may require high-voltage rather than the high current which flux compressor generators (FCGs) normally deliver when driving suitable low impedance loads. We have designed and built transformers for use with FCGs. They are air-core transformers with measured coupling coefficients in the range of 0.88 to 0.94. The turns ratio for these transformers vary from 10 to 40. We have used these transformers in FCG shots and have measured 250 kV and 250 kA on the secondary, simultaneously and without breakdown. So far the FCG and not the transformer have limited the voltage. Experiments to determine a voltage limit are ongoing. Our design and results are presented.

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Medium: P; Size: vp.

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OSTI as DE00762286

Source

  • Megagauss Magnetic Field Generation, Tallahassee, FL (US), 10/1998

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  • Report No.: LA-UR-98-4793
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 762286
  • Archival Resource Key: ark:/67531/metadc719916

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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.

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Creation Date

  • October 1, 1998

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

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  • Feb. 29, 2016, 3:26 p.m.

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Fortgang, C.; Erickson, G.A. & Goettee, J. A High-Voltage Pulse Transformer for Explosive Pulsed-Power Devices, article, October 1, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc719916/: accessed April 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.