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爆磁压缩发生器

爆磁压缩发生器的相关文献在1997年到2019年内共计90篇,主要集中在无线电电子学、电信技术、力学、电工技术 等领域,其中期刊论文64篇、会议论文16篇、专利文献3054268篇;相关期刊25种,包括实验技术与管理、科技风、科技创新导报等; 相关会议13种,包括第三届全国脉冲功率会议、首届全国脉冲功率会议、第九届全国冲击动力学学术会议等;爆磁压缩发生器的相关文献由123位作者贡献,包括孙奇志、陈冬群、曹胜光等。

爆磁压缩发生器—发文量

期刊论文>

论文:64 占比:0.00%

会议论文>

论文:16 占比:0.00%

专利文献>

论文:3054268 占比:100.00%

总计:3054348篇

爆磁压缩发生器—发文趋势图

爆磁压缩发生器

-研究学者

  • 孙奇志
  • 陈冬群
  • 曹胜光
  • 张建德
  • 刘伟
  • 刘正芬
  • 李达
  • 池原
  • 龚兴根
  • 戴文峰
  • 期刊论文
  • 会议论文
  • 专利文献

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    • 王俞卫; 陈冬群; 张自成; 曹胜光; 李达
    • 摘要: 为了满足某脱离电网的应用需求,研究了一种基于爆磁压缩发生器的紧凑脉冲功率源.该脉冲功率源设计目标是对等效电容为65 pF的电容负载快速充电至数百kV.考虑到爆磁压缩发生器与负载之间的阻抗匹配,该脉冲功率源采用了一种主要由电爆炸断路开关、脉冲变压器和中间储能电容器组成的脉冲调制模块.详细介绍了该脉冲功率源的具体设计和实验研究,并对实验结果进行了分析,在此基础上讨论了下一步可能的改进优化.研究结果表明,利用该脉冲源对电容负载充电电压达到了-352 kV,电压上升时间约10 ns.
    • 王俞卫; 陈冬群; 曹胜光; 张建德; 李达; 吕彦奎
    • 摘要: 为满足某强电磁脉冲辐射系统对轻小型脱离地面脉冲电源的应用需求,研究了一种微型动态级联爆磁压缩发生器.首先介绍了该发生器的结构参数,然后利用基于等效电路的数值计算模型对该发生器电路参数和输入输出电流进行了模拟计算,最后以蓄电池供电的初始能源为发生器提供初始种子电流,对发生器输出特性进行了爆轰实验.实验结果表明,发生器在1.44μH电感负载上产生脉冲电流峰值达到49 kA,电流上升时间5.2μs,能量放大约7.8倍.
    • 刘鹏; 张合; 马少杰; 史云雷
    • 摘要: A compact explosively driven ferromagnetic generator for explosive magnetic flux compression generators was developed. Its working principle and process are analyzed by establishing a magnetoelectric transformation model. The static magnetic field of open magnet in the electrical source is analytically calculated and numerically simulated. The calculation method of magnetic flux of magnet section is presented, and a design method of pulse source is provided. The pulse sources of different magnet materials and detonation method are test. The results show that the N35 explosively driven ferromagnetic electrical source (double-ended detonation) outputs 1 100 A pulse current at 1.2 μH inductive load; higher output current and energy parameters in the load could be obtained by using high-performance magnet material; the energy conversion efficiencies of single-ended detonation and double-ended detonation are ηt ≮ 14.6% and ηt ≮ 24.4% , respectively; the explosively driven ferromagnetic generator is only suitable for driving a lower impedance load, and the indirect feed mode is more reasonable when it is used for HMFCG' initial energy source.%针对爆磁压缩发生器用种子电源,设计了一种紧凑型爆磁换能电脉冲源.通过建立磁体爆磁换能的磁电转化模型,研究了爆磁换能电脉冲源的工作机理和作用过程.对紧凑型爆磁换能脉冲源中开路磁体的静磁场进行了解析计算和数值模拟,得出了磁体截面磁通量的计算方法,为脉中源的设计提供了理论参考.对不同磁体材料和起爆方式的脉冲源进行了实验研究,得到了脉冲源的输出感应电动势、输出电流及负载电压曲线.结果表明:N35爆磁换能电脉冲源(双端起爆)在1.2 μH的电感负载上输出了1100 A的脉冲电流;采用高性能磁体材料可在负载上获得更高的输出电流及能量参数;单端起爆能量转化效率η t≮14.6%,双端起爆能量转化效率η t≮24.4%;爆磁换能电脉冲源仅适合于驱动较低阻抗的负载,作为螺线管型爆磁压缩发生器的种子电流时选择间接馈电方式更加合理.
    • 史云雷; 张合; 马少杰; 刘鹏
    • 摘要: 设计了一种爆磁压缩发生器(FCG)初级紧凑型电脉冲源,分析了电脉冲源组成、工作原理及最佳输出时序模型.采用爆炸驱动滑块型放电开关方案,实验测试了开关高压下闭合放电性能.电脉冲源体积Φ132 mm×200 mm,质量12.5 kg,工作电压5 kV,初始储能约750 J,充电时间不大于30 s;静态馈电FCG(42μH,78 mΩ),输出电流峰值不小于5.4 kA,输出能量不小于600 J;动态馈电FCG,时序控制误差不大于5μs,耦合电流值不小于5.2 kA,耦合能量不小于550 J;电脉冲源有效储能密度不小于200 mJ/cm3,能量传递效率不小于75%.
    • 黄旭; 吕庆敖; 雷彬; 向红军; 孟学平
    • 摘要: The dynamic inductance is significant for projectile-borne magnetic flux compression gene-rator (MFCG) design calculation. For the purposes of solving the problem of dynamic inductance calculation, image current model was applied to the circuit parameters calculation of a projectile-borne MFCG. And the dynamic inductance expression was derived in detail. Subsequently, a numerical computation program of projectile-borne MFCG dynamic inductance was written within deriving process. Curve of inductance change was achieved after computing through calculating with the design parameters, with phasic characteristic of inductance variation analyzed during generator operation, which provides grounds for the next-step optimized design and experiments.%动态电感在弹载爆磁压缩发生器的设计计算中具有举足轻重的地位.为了解决动态电感的计算问题,将镜像电流模型运用到了某弹载爆磁压缩发生器的电路参数计算中,并进行了详细的推导,编写了一个弹载爆磁压缩发生器动态电感的数值计算程序.代入设计数据计算后,获得了电感变化曲线,分析得出了发生器运行过程中电感变化的阶段性特点,为下步优化设计及试验提供了依据.
    • 黄旭; 吕庆敖; 雷彬; 向红军; 孟学平
    • 摘要: In order to find the best triggering time of charge detonating under specified input seed current,discharging and firing sequential control of MFCG experiment system using capacitors as initial power is researched.Based on designed size,MFCG test coil is made,and discharging current waveforms are measured in these experiments.These waveforms show:the pulse width of current more than 5 kA is greater than 170 μs.On the other hand,3D model of designed MFCG is built and it is calculated by commercial simulation software,and the time (26μs)from firing generator charge to switching on short-circuiting switch is obtained.Finally,according to the data from test coil discharging experiment and 3D simulating calculation,the beat triggering time of HMFCG is studied.%为找出爆磁压缩发生器在规定输入种子电流强度下的最佳起爆时间,对使用电容器作为初始能源的爆磁压缩发生器充电与起爆时序控制进行研究.在理论分析的基础上,制作爆磁压缩发生器测试线圈,实验测量了充电电流波形,结果显示:电流超过5 kA的脉宽大于170μs.同时,建立爆磁压缩发生器的三维模型,借助仿真软件,对此模型的起爆过程进行数值仿真,得到发生器装药起爆后到短路开关接通所需的时间26μs.最后根据测试线圈充电实验及三维仿真获得的数据,研究确定爆磁压缩发生器的最佳启动时间.
    • 史云雷; 张合; 马少杰; 顾林; 贺海
    • 摘要: 针对爆磁压缩发生器高精度延时起爆控制的要求,建立了基于电路控制延时方案的最佳起爆时序模型,分析了其时序误差散布。设计了一种爆轰驱动飞片型高功率放电开关,通过数值仿真分析了开关的耐压能力及飞片变形。实验测试了6发开关的闭合放电性能,数据表明:开关两极间电压5 kV时未出现击穿现象,闭合响应时间分布在66±5μs以内、标准差2.7μs,开关导通时间≥900μs,放电效率接近90%。采用小型爆磁压缩发生器与延时控制系统进行了联调实验,结果表明:爆磁压缩发生器运行时刻与电流峰值时刻相差1.8μs,延时误差7.8%,延时控制系统满足高精度起爆控制的要求。%Time-delay control system is very important to magnetic flux compression generator’s operation.Based on circuit delay scheme,an appropriate model was built to analyze the initiation time sequence,and its errors dispersion was analyzed.A switch driven by detonation was proposed,its voltage endurance capability and plate deformation were analyzed by simulation.On this basis,six switches were tested at high voltage.The data shows that,there is no voltage breakdown at 5kV,response-time distributes in 66 ±5μs with standard deviation of 2.7μs, conducting time is equal or greater than 900μs,discharge efficient is approximately equal to 90%.A mini-type magnetic flux compression generator was used to test the time-delay control system and the results show that,the time difference between magnetic flux compression generator’s operation and current peak is only 1.8μs with the error being 7.8%.
    • 吴新贺; 陈冬群; 王俞卫; 李达; 苏曲; 吕彦奎; 刘车波
    • 摘要: 应用Pspice仿真软件建立了一个爆磁压缩发生器模拟装置的等效电路模型,分析了电路中各元件参数对爆磁压缩发生器模拟装置输出电流波形的影响,并根据电路中高压脉冲电容器充电电压的不同优化了四组回路参数.应用灰色关联度分析方法,分析了爆磁压缩发生器模拟装置分别在这四组参数情况下的输出电流波形与被模拟的爆磁压缩发生器输出电流波形的曲线相似度,并对工程上实现该模拟装置存在的问题进行了分析.另外,还对爆磁压缩发生器模拟装置通过脉冲变压器对脉冲形成线充电进行了仿真.结果表明,此方案在理论上可以实现对爆磁压缩发生器输出电流波形上升阶段的准确模拟.%Some groups of parameters for simulation device of flux compression generator(FCG) were optimized by Pspice.The comparability of the current output property curve of the simulation device and FCG with different groups of parameters were respectively analyzed with the gray relation grade analysis method.An appropriate group of parameters was confirmed at last.The simulated result proved the feasibility of the project for simulation device of FCG.
    • 王俞卫; 张建德; 陈冬群; 曹胜光; 李达; 刘车波
    • 摘要: The explosive magnetic flux compression generator (FCG) is a kind of compact pulsed power source with relatively low characteristic impedance. To match the impedance of the generator and the load in kinds of applications, some special power conditioning circuits are always in need. In this paper, a power conditioning circuit based on the electro-exploding opening switch (EEOS) and pulsed transformer is investigated. By analyzing the equivalent circuit of the system where the generator is replaced by a capacitor, a key factor determining the performance of the power conditioning circuit is discussed, as well as its solution. Based on the analysis, the power conditioning circuit with coaxial structure is designed. In the preliminary experiments, the capacitive load was charged to a peak voltage of —267 kV when the crowbar switch used to remove the additional voltage across the fuse kept open, and it was charged to —374 kV when the crowbar switch closed during the opening process of the EEOS. The analysis conclusions are basically proved by these experimental results. And the power conditioning circuit introduced is proved to be efficient to match the impedance of the FCG and high-impedance load.%通过对以电容器替代爆磁压缩发生器的系统等效电路进行理论分析,对影响这种调制电路性能的关键问题及其解决方法进行了讨论.根据理论分析结果对调制电路进行了设计.在初步实验中,当用于去除电爆炸丝上附加电压的撬断开关保持断开时,变压器原边电流切断不彻底,电容负载上充电电压峰值为一264 kV;保持其他电路参数不变,而使撬断开关在电爆炸断路开关断开过程中闭合时,变压器原边电流切断彻底,在相同负载上充电电压峰值为一374 kV.实验结果验证了理论分析结果,并证明了采用这种调制电路能够实现爆磁压缩发生器与高阻抗负载匹配.
    • 徐辉; 周磊
    • 摘要: 运用ANSYS/LS-DYNA3D有限元程序对爆磁压缩发生器电抠膨胀过程进行数值模拟,从数值模拟结果与实验结果的对比来看,结果基本相符,证明选取的模型参数是比较合理的,证明此数值模拟的方法是可行的.
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