紧凑型电池供电的400千伏高压脉冲发生器,用于UWB电磁脉冲产生

IF 1.5 4区 物理与天体物理 Q3 PHYSICS, FLUIDS & PLASMAS
Woo-Cheol Jeong;Hong-Je Ryoo
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引用次数: 0

摘要

本文介绍了一种用于便携式超宽带电磁脉冲产生的高压脉冲发生器的实现。该发生器旨在满足便携性要求,并产生上升时间短、重复率高的高压脉冲。为了有效地实现高升压比,采用了基于电感隔离的马克思发电机,由高压电容器充电器(HVCC)驱动。HVCC采用基于Cockcroft-Walton电压乘法器(CWVM)的双极混合对称电压乘法器(BHSVM)设计,可将低电池电压(24 V)提高到60 kV以上,确保有效的高压升压和绝缘。此外,提出了BHSVM电路的等效建模技术,并在此基础上实现了无附加磁性元件的LCC谐振变换器。考虑到应用中涉及的反复充放电,LCC谐振变换器的参数被设计为能够在整个输出电压范围内实现软开关。此外,本设计采用绝缘为bbb10 kV的高压变压器和充电电缆代替传统的充电电阻,既保证了绝缘又保证了充电电阻。仿真结果验证了BHSVM等效模型的准确性和LCC谐振变换器在全电压范围内的高效率运行。实验结果表明,该紧凑高密度高压脉冲发生器能够以120 Hz的重复频率向天线和UWB EMP输出幅值为421 kV、上升时间为0.5 ns的高压脉冲。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Compact Battery-Powered 400-kV High-Voltage Pulse Generator for UWB EMP Generation
This article presents the implementation of a high-voltage pulse generator for portable ultrawideband (UWB) electromagnetic pulse (EMP) generation. The generator is designed to meet the portability requirements and generate high-voltage pulses with a short rise time and high repetition rate. To achieve a high step-up ratio efficiently, an inductive isolation-based Marx generator is employed, driven by a high-voltage capacitor charger (HVCC). The HVCC is designed with a Cockcroft-Walton voltage multiplier (CWVM)-based bipolar hybrid symmetrical voltage multiplier (BHSVM) to increase the low battery voltage (24 V) to over 60 kV, ensuring effective high-voltage boosting and insulation. Additionally, an equivalent modeling technique is proposed for the BHSVM circuit, and based on this, an LCC resonant converter was implemented without additional magnetic components. The parameters of the LCC resonant converter were designed to enable soft switching across the entire output voltage range, considering the repeated charging and discharging involved in the application. Moreover, the design incorporates a high-voltage transformer with insulation of >10 kV and a charging cable instead of the conventional charging resistor, ensuring both insulation and charging resistance. Simulations validated the accuracy of the BHSVM equivalent model and the high-efficiency operation of the LCC resonant converter across the full voltage range. Experimental results demonstrated that the compact, high-density high-voltage pulse generator can deliver high-voltage pulse at the repetition rate of 120 Hz to the antenna and UWB EMP with an amplitude of 421 kV and a rise time of 0.5 ns.
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来源期刊
IEEE Transactions on Plasma Science
IEEE Transactions on Plasma Science 物理-物理:流体与等离子体
CiteScore
3.00
自引率
20.00%
发文量
538
审稿时长
3.8 months
期刊介绍: The scope covers all aspects of the theory and application of plasma science. It includes the following areas: magnetohydrodynamics; thermionics and plasma diodes; basic plasma phenomena; gaseous electronics; microwave/plasma interaction; electron, ion, and plasma sources; space plasmas; intense electron and ion beams; laser-plasma interactions; plasma diagnostics; plasma chemistry and processing; solid-state plasmas; plasma heating; plasma for controlled fusion research; high energy density plasmas; industrial/commercial applications of plasma physics; plasma waves and instabilities; and high power microwave and submillimeter wave generation.
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