Abstract
Pulsed charging of a capacitance Cl from an LC circuit with a fast exploding-wire current interruptor is investigated by physical modeling and magnetohydrodynamic calculations. It is shown that the efficiency of energy transfer to the load is highest in the matched-explosion mode he/h0=1. The energy density injected into the conductor by the time Cl is connected should be equal to the sublimation energy of the metal. With these and other defining conditions, the voltage Ul across the load is given naturally by the capacitance ratio, Ul/U0=K=0.73(C/Cl). An overvoltage K=4–6.6 was actually obtained at an energy-transfer efficiency of ≅0.5.
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Additional information
Institute of Heavy-Current Electronics, Siberian Division, Russian Academy of Sciences, and Institute of Electrophysics, Ural Division, Russian Academy of Sciences. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 12, pp. 45–51, December, 1995.
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Korostelev, A.F., Sedoi, V.S. & Luchinskii, A.V. Inductive-capacitive source with electrically exploded interruptor working into a capacitive load. Russ Phys J 38, 1235–1240 (1995). https://doi.org/10.1007/BF00559383
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DOI: https://doi.org/10.1007/BF00559383