电磁发射用13MJ脉冲功率电源系统研究

doi:10.3969/j.issn.1000-1093.2016.05.002

摘要/Abstract

摘要： 随着电磁发射技术的发展，对脉冲功率电源特性的要求也越来越高，需要脉冲电流具有兆安级幅值、数毫秒脉宽、上升快速且有平顶波特点，为此研制了1套13 MJ、额定工作电压10 kV 的电容储能型脉冲电源。电源系统采用多模块并联结构，由13个储能1 MJ脉冲成形子系统组成，每个子系统包含20个50 kJ脉冲电源模块，单个模块短路放电电流最大可达65 kA；充电系统由基于串联谐振变换器的高压充电机组成；控制系统具有两级控制结构，使用同步编码信号对各电源模块进行时序放电控制；测量系统采用PXI系统，主从式网络结构，可满足分布式测量需求。系统在模拟负载上进行了性能测试，在电磁发射装置上进行了实验研究。实验结果表明，13 MJ脉冲功率电源系统输出电流波形灵活可调、可靠性高，可以满足电磁发射实验的需求。

关键词: 兵器科学与技术, 电磁发射, 电容储能, 脉冲成形子系统

Abstract: With the development of the electromagnetic launch technology, the requirement of the pulse power supply (PPS) is increasing, of which the output current is required to have MA level amplitude, pulse width of several milliseconds, rapid rising and flat-topped wave. A 13 MJ capacitor-based PPS of which rated operational voltage is 10 kV was developed. The PPS is of multi-module parallel structure and composes of 13 1 MJ pulse forming subsystems. Each subsystem has 20 50 kJ pulse power modules. The maximum short-circuit discharge current of every module is about 65 kA. Charging system adopts high voltage capacitor charging power supply based on series resonance converter. Control system has two-level control structure which uses a synchronized code signal to control the sequential discharging. Measurement system based on PXI system and master-slave network structure can satisfy the requirements of distributed measurement. The performance of the system is test under artificial loading, and the experimental research on electromagnetic launching device is carried out. The experimental results show that 13 MJ PPS has high reliability and meets the requirements of EML experiment, and its output current waveform is flexible and adjustable.

Key words: ordnance science and technology, electromagnetic launcher, capacitor energy storage, pulse forming subsystem

中图分类号:

TM833

张亚舟，李贞晓，金涌，罗红娥，田慧，栗保明. 电磁发射用13MJ脉冲功率电源系统研究[J]. 兵工学报, 2016, 37(5): 778-784.

ZHANG Ya-zhou, LI Zhen-xiao, JIN Yong, LUO Hong-e, TIAN Hui, LI Bao-ming. Research and Development on a 13MJ Pulsed Power Supply for Electromagnetic Launcher[J]. Acta Armamentarii, 2016, 37(5): 778-784.

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