Abstract
The designs of two high-voltage high-current air-filled spark gaps of an artificial-lightning-current generator-a two-electrode ДMBP-5 gap for a voltage of up to ±5 kV with graphitized-carbon electrodes and a three-electrode TKBP-50 gap for a voltage of up to ±50 kV with steel electrodes—are described, and their main switching characteristics and the results of tests are presented. Tests were performed with a ДMBP-5 spark gap that switched the normalized long C lightning-current component with an amplitude of up to 0.85 kA, a rise time of up to 0.77 × 105 A/s, a maximum duration of 1000 ms, and a transferred electric charge of up to 210 C. When a TKBP-50 spark gap was used, the normalized pulse A lightning-current component with an amplitude of up to 212 kA, a rise time of up to 7 × 109 A/s, a maximum duration of 500 μs, and an action integral of up to 2.07 × 106 A2 s was switched.
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