Capacitor Bank Module for a Multimegajoule Energy Storage

Kovalchuk, B. M.; Kim, A.A.; Kharlov, A. V.; Kumpyak, E. V.; Tsoy, N. V.; Visir, V.A.; Smorudov, G.V.; Kiselev, V. N.; Chupin, Vladimir; Bayol, F.; Frescaline, L.; Cubaynes, F.; Drouilly, C.; Eyl, P.; Cassany, B.; Courtois, L.; Patelli, P.; Mexmain, J.; Cervens, D.R. de

doi:10.1109/tps.2008.2004242

Cited by 19 publications

(2 citation statements)

References 6 publications

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“…Large capacitive energy storage is required on pulsed power systems such as rail guns, 1,2 electrothermal-chemical gun systems, 3 electromagnetically launched kinetic armor, 4 electromagnetic armor, 5 high-energy lasers, 6 and directed energy weapons. 7 A typical solution for capacitive storage is a wound polymer film capacitor with metalized electrodes.…”

Section: Introductionmentioning

confidence: 99%

Design and performance of multifunctional structural composite capacitors

O’Brien

Baechle

Wetzel

2011

Journal of Composite Materials

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Dielectric capacitors with mechanical load-bearing capability have been constructed by laminating glass-epoxy prepregs with metalized film electrodes. Mechanical characterization and high-voltage testing are used to quantify the elastic modulus, mechanical strength, and dielectric energy density of these structural devices. An approach for predicting mass savings in systems utilizing multifunctional material structures is also presented. The experimental results show that, in spite of increases in void content with fiber volume fraction, overall structural capacitor performance is greatest at maximum fiber volume fraction. At these high-fiber volume fractions, the overall multifunctional performance of the structural capacitors is predicted to provide mass and volume savings over conventional designs.

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Section: Introductionmentioning

confidence: 99%

Design and performance of multifunctional structural composite capacitors

O’Brien

Baechle

Wetzel

2011

Journal of Composite Materials

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“…Spark gaps are often used to commute energy on a load. Triggered spark gaps with electrodynamical acceleration of spark channel were developed and investigated by Kovalchuk and colleagues [5,6]. Later two-electrode spark gap with inductive coupling in a triggering circuit [7] was introduced with sharp extension in operation range and charging voltage.…”

Section: Introductionmentioning

confidence: 99%

Investigation of a two-electrode gas switch with electrodynamical acceleration of spark channel in oscillatory regime of discharge

Kharlov¹,

Kovalchuk²,

Kumpyak³

et al. 2017

J. Inst.

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A: We have developed a compact gas switch intended for operation in oscillatory (low damping) regime of discharge. It is two-electrode switch with electrodynamic acceleration of a spark channel and a matched series injection trigger generator. A series inductance is employed for isolation of a trigger pulse from a surrounded circuit. Two operations regimes have been investigated, namely "fast" regime with current amplitude ~160 kA, total charge ~12 C, period of oscillations 60 µs, full pulse length ~400 µs and "slow" regime with current amplitude ~30 kA, total charge 18 C, period of oscillations 360 µs, full pulse length ~3 ms. The spark gap can be triggered reliably from 16 to 50 kV (at 72 kV self-breakdown voltage). Time delay in firing was less than 35 ns at 1 ns jitter at 30 mm gap and 40 kV charging voltage. The spark gap is designed for 50 kV charging voltage, at a current up to 200 kA, and up to 20 C charge transfer. Arc motion and electrodes erosion in this spark gap have been investigated. The main results are as follows: the arc channel moves on ~18 cm in fast regime and ~25 cm in slow regime. Results of the switch operation in slow and fast regimes with operational voltage of 40 kV and stored energy 32 kJ promise to get high lifetime. In this paper we present design for the spark gap and trigger generator. Test bed schematics and results of the tests are also described.

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Fabrication and characterization of structural/dielectric three-phase composite: Continuous basalt fiber reinforced epoxy resin modified with graphene nanoplates

Chen

Wang

et al. 2017

Composites Part A: Applied Science and Manufacturing

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Capacitor Bank Module for a Multimegajoule Energy Storage

Cited by 19 publications

References 6 publications

Design and performance of multifunctional structural composite capacitors

Design and performance of multifunctional structural composite capacitors

Investigation of a two-electrode gas switch with electrodynamical acceleration of spark channel in oscillatory regime of discharge

Fabrication and characterization of structural/dielectric three-phase composite: Continuous basalt fiber reinforced epoxy resin modified with graphene nanoplates

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