Experimental validation of the first 1-MA water-insulated MYKONOS LTD voltage adder

M. G. Mazarakis, M. E. Savage, W. E. Fowler, L. F. Bennett, M. Jones, F. W. Long, M. K. Matzen, D. H. McDaniel, R. G. McKee, J. L. McKenney, J. L. Porter, B. S. Stoltzfus, K. W. Struve, W. A. Stygar, J. R. Woodworth, A. A. Kim, V. A. Sinebryukhov, K. L. LeChien, P. Wakeland, K. Ward & 6 others J. G. Puissant, T. F. Chavez, P. A. Jones, D. J. Lucero, G. Natoni, S. A. Lewis

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    3 Citations (Scopus)

    Abstract

    The LTD technological approach can result in very compact devices that can deliver fast, high current and high voltage pulses straight out of the cavity without any complicated pulse forming and pulse-compression network. Through multistage inductively insulated voltage adders, the output pulse, increased in voltage amplitude, can be applied directly to the load. Because the output pulse rise time and width can be easily tailored (pulse shaped) to the specific application needs, the load may be a vacuum electron diode, a z-pinch wire array, a gas puff, a liner, an isentropic compression load (ICE) to study material behavior under very high magnetic fields, or a fusion energy (IFE) target. Ten 1-MA LTD cavities were originally designed and built to run in a vacuum or Magnetic Insulated Transmission Line (MITL) voltage adder configuration and, after successful operation in this mode, were modified and made capable to operate assembled in a de-ionized water insulated voltage adder. Special care has been taken to de-aerate the water and eliminate air bubbles. Our motivation is to test the advantages of water insulation compared to the MITL transmission approach. The desired effect is that the vacuum sheath electron current losses and pulse front erosion would be avoided without any new difficulties caused by the de-ionized water insulator. Presently, we have assembled and are testing a two-cavity, water insulated voltage adder with a liquid resistor load. Experimental results of up to 95kV capacitor charging are presented and compared with circuit code simulations.

    Original languageEnglish
    Title of host publicationDigest of Technical Papers-IEEE International Pulsed Power Conference
    Pages625-628
    Number of pages4
    DOIs
    Publication statusPublished - 2011
    Event18th IEEE International Pulsed Power Conference, PPC 2011 - Chicago, IL, United States
    Duration: 19 Jun 201123 Jun 2011

    Other

    Other18th IEEE International Pulsed Power Conference, PPC 2011
    CountryUnited States
    CityChicago, IL
    Period19.6.1123.6.11

    Fingerprint

    Adders
    Electric potential
    Water
    Vacuum
    Electric lines
    Pulse compression
    Electrons
    Resistors
    Insulation
    Erosion
    Laser pulses
    Diodes
    Compaction
    Capacitors
    Fusion reactions
    Wire
    Magnetic fields
    Networks (circuits)
    Liquids
    Testing

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Energy Engineering and Power Technology

    Cite this

    Mazarakis, M. G., Savage, M. E., Fowler, W. E., Bennett, L. F., Jones, M., Long, F. W., ... Lewis, S. A. (2011). Experimental validation of the first 1-MA water-insulated MYKONOS LTD voltage adder. In Digest of Technical Papers-IEEE International Pulsed Power Conference (pp. 625-628). [6191552] https://doi.org/10.1109/PPC.2011.6191552

    Experimental validation of the first 1-MA water-insulated MYKONOS LTD voltage adder. / Mazarakis, M. G.; Savage, M. E.; Fowler, W. E.; Bennett, L. F.; Jones, M.; Long, F. W.; Matzen, M. K.; McDaniel, D. H.; McKee, R. G.; McKenney, J. L.; Porter, J. L.; Stoltzfus, B. S.; Struve, K. W.; Stygar, W. A.; Woodworth, J. R.; Kim, A. A.; Sinebryukhov, V. A.; LeChien, K. L.; Wakeland, P.; Ward, K.; Puissant, J. G.; Chavez, T. F.; Jones, P. A.; Lucero, D. J.; Natoni, G.; Lewis, S. A.

    Digest of Technical Papers-IEEE International Pulsed Power Conference. 2011. p. 625-628 6191552.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Mazarakis, MG, Savage, ME, Fowler, WE, Bennett, LF, Jones, M, Long, FW, Matzen, MK, McDaniel, DH, McKee, RG, McKenney, JL, Porter, JL, Stoltzfus, BS, Struve, KW, Stygar, WA, Woodworth, JR, Kim, AA, Sinebryukhov, VA, LeChien, KL, Wakeland, P, Ward, K, Puissant, JG, Chavez, TF, Jones, PA, Lucero, DJ, Natoni, G & Lewis, SA 2011, Experimental validation of the first 1-MA water-insulated MYKONOS LTD voltage adder. in Digest of Technical Papers-IEEE International Pulsed Power Conference., 6191552, pp. 625-628, 18th IEEE International Pulsed Power Conference, PPC 2011, Chicago, IL, United States, 19.6.11. https://doi.org/10.1109/PPC.2011.6191552
    Mazarakis MG, Savage ME, Fowler WE, Bennett LF, Jones M, Long FW et al. Experimental validation of the first 1-MA water-insulated MYKONOS LTD voltage adder. In Digest of Technical Papers-IEEE International Pulsed Power Conference. 2011. p. 625-628. 6191552 https://doi.org/10.1109/PPC.2011.6191552
    Mazarakis, M. G. ; Savage, M. E. ; Fowler, W. E. ; Bennett, L. F. ; Jones, M. ; Long, F. W. ; Matzen, M. K. ; McDaniel, D. H. ; McKee, R. G. ; McKenney, J. L. ; Porter, J. L. ; Stoltzfus, B. S. ; Struve, K. W. ; Stygar, W. A. ; Woodworth, J. R. ; Kim, A. A. ; Sinebryukhov, V. A. ; LeChien, K. L. ; Wakeland, P. ; Ward, K. ; Puissant, J. G. ; Chavez, T. F. ; Jones, P. A. ; Lucero, D. J. ; Natoni, G. ; Lewis, S. A. / Experimental validation of the first 1-MA water-insulated MYKONOS LTD voltage adder. Digest of Technical Papers-IEEE International Pulsed Power Conference. 2011. pp. 625-628
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    abstract = "The LTD technological approach can result in very compact devices that can deliver fast, high current and high voltage pulses straight out of the cavity without any complicated pulse forming and pulse-compression network. Through multistage inductively insulated voltage adders, the output pulse, increased in voltage amplitude, can be applied directly to the load. Because the output pulse rise time and width can be easily tailored (pulse shaped) to the specific application needs, the load may be a vacuum electron diode, a z-pinch wire array, a gas puff, a liner, an isentropic compression load (ICE) to study material behavior under very high magnetic fields, or a fusion energy (IFE) target. Ten 1-MA LTD cavities were originally designed and built to run in a vacuum or Magnetic Insulated Transmission Line (MITL) voltage adder configuration and, after successful operation in this mode, were modified and made capable to operate assembled in a de-ionized water insulated voltage adder. Special care has been taken to de-aerate the water and eliminate air bubbles. Our motivation is to test the advantages of water insulation compared to the MITL transmission approach. The desired effect is that the vacuum sheath electron current losses and pulse front erosion would be avoided without any new difficulties caused by the de-ionized water insulator. Presently, we have assembled and are testing a two-cavity, water insulated voltage adder with a liquid resistor load. Experimental results of up to 95kV capacitor charging are presented and compared with circuit code simulations.",
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    AU - Savage, M. E.

    AU - Fowler, W. E.

    AU - Bennett, L. F.

    AU - Jones, M.

    AU - Long, F. W.

    AU - Matzen, M. K.

    AU - McDaniel, D. H.

    AU - McKee, R. G.

    AU - McKenney, J. L.

    AU - Porter, J. L.

    AU - Stoltzfus, B. S.

    AU - Struve, K. W.

    AU - Stygar, W. A.

    AU - Woodworth, J. R.

    AU - Kim, A. A.

    AU - Sinebryukhov, V. A.

    AU - LeChien, K. L.

    AU - Wakeland, P.

    AU - Ward, K.

    AU - Puissant, J. G.

    AU - Chavez, T. F.

    AU - Jones, P. A.

    AU - Lucero, D. J.

    AU - Natoni, G.

    AU - Lewis, S. A.

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