Design criteria and validation of a vacuum load current multiplier on a mega-ampere microsecond inductive storage generator

A. S. Chuvatin, A. A. Kim, V. A. Kokshenev, B. M. Kovalchuk, F. Lassalle, H. Calamy, M. Krishnan

    Результат исследований: Материалы для журналаСтатья

    4 Цитирования (Scopus)

    Аннотация

    The load current multiplier concept (LCM) was suggested for improving the energy transfer efficiency from pulse power generators to loads. The concept was initially demonstrated at atmospheric pressure and dielectric insulation on a compact, 100kA, microsecond capacitor bank. This paper reports on the LCM design criteria for mega-ampere vacuum pulse power when the LCM comprises a large-inductance magnetic flux extruder cavity without a magnetic core. The analytical and numerical design approach presented was experimentally validated on GIT12 mega-ampere inductive energy storage generator with a constant-inductance load. The LCM technique increased the peak load current from typically 4.6 MA at 1.87 μs on this generator, to 6.43 MA at 2.0 μs. The electromagnetic power into a ∼10 nH load increased from 100 GW to 230 GW. This result is in good agreement with the presented numerical simulations and it corresponds to a 95% increase of the achievable magnetic pressure at 8cm radius in the load. The compact, LCM hardware allows the GIT12 generator to operate more efficiently without modifying the stored energy or architecture. The demonstrated load power and energy increase using the LCM concept is of importance for further studies on power amplification in vacuum and high energy density physics.

    Язык оригиналаАнглийский
    Страницы (с-по)361-369
    Число страниц9
    ЖурналLaser and Particle Beams
    Том28
    Номер выпуска3
    DOI
    СостояниеОпубликовано - 1 сен 2010

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics
    • Condensed Matter Physics
    • Electrical and Electronic Engineering

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  • Цитировать

    Chuvatin, A. S., Kim, A. A., Kokshenev, V. A., Kovalchuk, B. M., Lassalle, F., Calamy, H., & Krishnan, M. (2010). Design criteria and validation of a vacuum load current multiplier on a mega-ampere microsecond inductive storage generator. Laser and Particle Beams, 28(3), 361-369. https://doi.org/10.1017/S0263034610000224