Capacitor Discharge Engineering (Volume 3) by Frank B. A. Früngel

By Frank B. A. Früngel

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4 kV/cm just inside the discharge tube wall. Although this bank operated at 40 kV, 120-kV capacitors were used in order to withstand the transient voltage doubling from the primary capacitor bank. The spark gap switches were of the four-electrode design with an oil-insulated return and were triggered simultaneously by a single 75-kV spark gap capacitor unit. 2 nH) provided the fast rising magnetic field, which had been characteristic of the previous Scylla devices, for shock heating and compression.

Extended foil construction and a recently developed highly conductive solder assure mechanically sound low-resistance connections capable of conducting high peak currents. Series-parallel connections of internal capacitor sections provide uniform stress distribution and corona-free operation. Tobe Deutschmann alumina-ñlled epoxy bushings fulñll the dual requirement of strength and superior electrical properties. Foil capacitors have a realistic usable self-inductance of 5 nH. -wide strap shorting the capacitor terminals across the barrier insulator has an inductance of 2 nH.

It is not, therefore, necessary to calibrate the probe system. As a practical application, a capacitor with pressurized air insulation is described by Freitag and Schiweck [1581]. With the center electrode and the high-voltage electrode short-circuited, a compressed-gas capacitor up to ~ 800 kV has been realized which is free from loss or proximity effects. 5 2 6 20 70 200 1000 4000 20,000 38 Α . THE C A P A C I T O R , ITS CHARACTERISTICS A N D ITS A P P L I C A T I O N S connecting the insulated center portion of the low-voltage electrode with the remaining parts of the low-voltage electrode.

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