MOUNA: An Autonomous, Compact, High-Power, and Wideband Electromagnetic Source Based on a Novel Resonant Pulsed Transformer

Pecquois, R.; Pécastaing, Laurent; Rivaletto, Marc; Ferron, Antoine Silvestre de; Vézinet, R.

doi:10.1109/tps.2012.2189138

Cited by 9 publications

(8 citation statements)

References 16 publications

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“…The study of the novel ultra-compact 0.6 MV resonant magnetic core transformer described below was part of part of a much larger project related to the design, manufacturing and testing of an autonomous and compact electromagnetic pulse source termed MOUNA [11]. Fig.…”

Section: Mouna Electromagnetic Source and The Requirements Imposed Onmentioning

confidence: 99%

“…The conventional design of such a type of directed energy weapon consists of a primary energy source and an antenna, separated by a power-amplification system that forwards the conditioned energy impulse from the source to the antenna, such as a Marx generator [9] or an air-core Tesla transformer [10]. The present arrangement however (described in [11]), uses an innovative ultra-compact 0.6 MV resonant magnetic core transformer which allows an important volume-saving when compared with similar pulsed power generator topologies previously described in open literature. The aim of the present paper is to present in detail the development of the resonant magnetic core pulsed transformer.…”

Section: Introductionmentioning

confidence: 99%

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Development of a 0.6-MV Ultracompact Magnetic Core Pulsed Transformer for High-Power Applications

Pécastaing

Rivaletto

Ferron

et al. 2018

IEEE Trans. Plasma Sci.

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Section: Mouna Electromagnetic Source and The Requirements Imposed Onmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Development of a 0.6-MV Ultracompact Magnetic Core Pulsed Transformer for High-Power Applications

Pécastaing

Rivaletto

Ferron

et al. 2018

IEEE Trans. Plasma Sci.

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“…The center frequency spectrum of the radiated wave is [11]. The proposed changes lead to a slight increase of the bandwidth of the frequency spectrum, and this spectrum is pushed towards high frequencies.…”

Section: Novel Multi Primary Winding Resonant High-voltage Pulsed Tramentioning

confidence: 99%

“…Example geometries generally include traditional TEM horns, traveling wave antenna [3] [4], the Impulse Radiating Antenna (IRA) [2], dipoles and bicones [9]- [11], among others [12]. However, most of these geometries are either large and not deployable, or radiate with undesirable radiation pattern.…”

Section: Introductionmentioning

confidence: 99%

“…A previous work supported by the DGA aimed at developing an extremely compact source [11]. The electromagnetic pulse source named MOUNA is composed of a set of batteries, a DC/DC converter to charge four capacitors, four synchronized spark gap switches, a resonant transformer generating 600 kV/265 ns pulses, an oil peaking switch and a dipole antenna.…”

Section: Introductionmentioning

confidence: 99%

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Feed Signal Influence and Potential Performances of a Compact Radiation Source Based on a Helical Antenna

Pécastaing¹,

Rivaletto²,

Ferron³

et al. 2015

JEMAA

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In the class of emerging high power electromagnetic sources, a complete pulsed power source, named MOUNA (French acronym of "Module Oscillant Utilisant une Nouvelle Architecture") has been developed. This device must transmit waveforms with a wide frequency band and a high figure-of-merit. To improve the overall performance of the MOUNA system while maintaining its compact size, two approaches are being explored in the paper: the replacement of the dipole antenna by a helical antenna and its feeding signal influence. Helical antenna is cylindrical shape and relatively compact. It offers relatively good gain factor and directivity. The waveform delivered to the antenna is directly related to the amplitude of the radiated electric field. Therefore, different waveforms (step pulse, Gaussian pulse, bipolar pulse and damped sinusoid) are compared to point out the feed signal influence on the radiated electric field. Switch oscillators appear to be considered as interesting resonant sources for driving an antenna. The novel radiating source consists of a primary power source, a resonant transformer, a coaxial transmission line damped oscillator (also termed as coaxial resonator), and a helical antenna. This high voltage pulsed source is very compact (volume of only 2500 cc without the antenna). Our study aims at designing the antenna (number of turns, size…) and a coaxial damped oscillator directly implemented at the output of the transformer. A CST-based simulation is proposed to predict the performances of this wideband source.

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A battery-powered over-voltage triggering method for two-electrode spark gaps in Marx generator

Liu

Zhang

et al. 2022

Review of Scientific Instruments

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Triggered gas switches with trigger electrodes, such as three-electrode spark switches and trigatron type spark switches, have been widely used in repetitive operating Marx generators due to their large current flowing capability. However, the ablation of trigger electrodes during repetitive operation is inevitable, which reduces the working life of triggered gas switches. In this paper, we introduced an over-voltage triggering method for two-electrode spark switches by replacing one of the charging inductors of the Marx generator with a pulse generator. The experimental results showed that a high-voltage trigger pulse with an amplitude of 60 kV and a rising speed of 7.65 kV/100 ns was obtained from a single stackable module with a 12 V lithium battery pack as the energy source. Due to the absence of trigger electrodes, the triggering method is beneficial to extend the lifetime of switches and realize a maintenance-free repetitive operating Marx generator.

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MOUNA: An Autonomous, Compact, High-Power, and Wideband Electromagnetic Source Based on a Novel Resonant Pulsed Transformer

Cited by 9 publications

References 16 publications

Development of a 0.6-MV Ultracompact Magnetic Core Pulsed Transformer for High-Power Applications

Development of a 0.6-MV Ultracompact Magnetic Core Pulsed Transformer for High-Power Applications

Feed Signal Influence and Potential Performances of a Compact Radiation Source Based on a Helical Antenna

A battery-powered over-voltage triggering method for two-electrode spark gaps in Marx generator

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