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Conductors and Contact Connections in Megaampere-Current Electric Circuits

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Abstract

The operation of conductors and contact connections in electric circuits transmitting megaampere-current pulses with durations of tens of microseconds is considered. The permissible conductor-current density is determined from the condition of thermal stability of the high-voltage polymeric insulation. Operating conditions of demountable contact connections for megaampere pulse currents are described, and design examples of such connections operating at a linear current density as high as 80 kA/cm are given. Methods for providing mechanical stability against the action of electrodynamic forces that occur during the passage of megaampere-current pulses are considered.

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Authors and Affiliations

  1. Institute of Problems of Electrophysics, Russian Academy of Sciences, Dvortsovaya nab. 18, St. Petersburg, 191186, Russia

    B. E. Fridman & Ph. G. Rutberg

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  1. B. E. Fridman
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  2. Ph. G. Rutberg
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Fridman, B.E., Rutberg, P.G. Conductors and Contact Connections in Megaampere-Current Electric Circuits. Instruments and Experimental Techniques 44, 196–203 (2001). https://doi.org/10.1023/A:1017562919412

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