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Bounded wave strong electromagnetic pulse simulation system

A simulation system, strong electromagnetic technology, applied in the field of electromagnetic field, can solve the problems of large degree of dispersion, poor stability, small amplitude change of electromagnetic pulse, etc., to achieve the effect of small degree of dispersion, large amplitude, and improved test accuracy

Active Publication Date: 2022-04-26
CHINA ELECTRONICS PROD RELIABILITY & ENVIRONMENTAL TESTING RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide an improved bounded wave strong electromagnetic pulse simulation system for the problems of small amplitude variation, large dispersion and poor stability of the electromagnetic pulse output by the traditional electromagnetic pulse simulator

Method used

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  • Bounded wave strong electromagnetic pulse simulation system

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Effect test

specific Embodiment 1

[0053] The energy storage capacitor 12 is adjusted to 476pF, the working gas in the air switch 13 is adjusted to dry air, the pressure is 0.5 atmospheres, and the discharge gap is 5mm.

[0054] Such as Figure 4 As shown, it can be seen that the peak value of the voltage pulse formed in this case is close to 40kV, the rising edge is 8ns, and the pulse width is 53ns.

specific Embodiment 2

[0056] The energy storage capacitor 12 is adjusted to 33nF, the working gas in the air switch 13 is adjusted to dry air, the pressure is 1 atmosphere, and the discharge gap is 10mm.

[0057] Such as Figure 5 As shown, it can be seen that the peak value of the voltage pulse formed in this case is close to 30kV, the rising edge is 32.8ns, and the pulse width is 1.19μs.

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Abstract

The present application provides a bounded wave strong electromagnetic pulse simulation system. The system includes a high-voltage pulse component and a waveguide antenna connected to the high-voltage pulse component. The end of the waveguide antenna is connected to a load; the high-voltage pulse component includes a DC high-voltage module connected in sequence, a charging resistor, an energy storage capacitor, an air switch, and an energy storage capacitor. The capacitance value of the air switch is adjustable, and the air switch includes a shell, which is provided with a first electrode and a second electrode with a variable discharge gap, and is filled with a working gas with a variable pressure; the DC high voltage module is used to output DC high voltage, and The DC high voltage is compressed into the energy storage capacitor through the charging resistor, and the energy storage capacitor is used to trigger the breakdown of the air switch to form a corresponding voltage pulse, which is transmitted to the load through the waveguide antenna. The amplitude, leading edge, and pulse width of the strong electromagnetic pulse output by the above-mentioned system have a large variation range, a small degree of dispersion, and a high stability of the system.

Description

technical field [0001] The invention relates to the field of electromagnetic field technology, in particular to a bounded wave strong electromagnetic pulse simulation system. Background technique [0002] The high-altitude nuclear electromagnetic pulse (HEMP) effect test is a test that places the subject in the HEMP environment, studies its effect law, and evaluates its combat effectiveness and survivability in the HEMP environment, usually in an artificially simulated radiation environment. next. At present, domestic common HEMP simulators include radiation wave simulators and bounded wave simulators, which are composed of high-voltage pulse sources, transmission lines and terminal loads. The bounded wave simulator (also known as the guided wave electromagnetic pulse simulator) uses a parallel plate transmission line as its antenna, and the electromagnetic wave propagates along the parallel plate transmission line, mainly in the TEM mode. During the propagation of electro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 方文啸张航刘欣汪玉龙邵伟恒黄权王磊
Owner CHINA ELECTRONICS PROD RELIABILITY & ENVIRONMENTAL TESTING RES INST
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