| 用于强流电子束加速器的大功率匹配负载的研制 |
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| 引用本文： | 刘金亮,詹天文,曾乃工,冯加怀,殷毅,张建德,王新新.用于强流电子束加速器的大功率匹配负载的研制[J].强激光与粒子束,2007,19(5):825-829. |
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| 作者姓名： | 刘金亮 詹天文 曾乃工 冯加怀 殷毅 张建德 王新新 |
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| 作者单位： | 清华大学,电机系,北京,100084;国防科学技术大学,光电科学与工程学院,长沙,410073;国防科学技术大学,光电科学与工程学院,长沙,410073;清华大学,电机系,北京,100084 |
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| 基金项目： | 国家自然科学基金;国家高技术研究发展计划(863计划) |
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| 摘 要： | 研制了一种电阻值为20 W的用于强流电子束加速器调试的大功率匹配负载。该负载已应用于基于水介质螺旋脉冲形成线强流电子加速器的调试。在该匹配负载上获得了较好的电压和电流波形，其电压幅值为200 kV，电流为9 kA,脉冲半高宽为150 ns。根据研制的匹配负载的几何尺寸，对该匹配负载的电感、电容进行了理论计算，得到的电感和电容值分别为2.12×10-8 H和4.51×10-10 F;并用PSpice软件对脉冲方波加载到匹配负载进行了模拟计算，用ANSYS软件对匹配负载的电场分布进行了模拟，理论和模拟结果与实验测量值基本一致。该匹配负载具有电感小和结构简单等特点，对匹配负载温升的理论计算表明，该匹配负载也可以用于重复频率小于10 Hz的加速器调试。
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| 关 键 词： | 匹配负载 电路模拟 强流电子加速器 电感 |
| 文章编号： | 1001-4322（2007）05-0825-05 |
| 收稿时间： | 2006/12/25 |
| 修稿时间： | 2006-12-252007-03-29 |
Large power matching load for high-current electronic accelerator |
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| LIU Jin-liang,ZHAN Tian-wen,ZENG Nai-gong,Feng Jia-huai,YIN Yi,ZHANG Jian-de,WANG Xin-xin.Large power matching load for high-current electronic accelerator[J].High Power Laser and Particle Beams,2007,19(5):825-829. |
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| Authors: | LIU Jin-liang ZHAN Tian-wen ZENG Nai-gong Feng Jia-huai YIN Yi ZHANG Jian-de WANG Xin-xin |
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| Institution: | 1. Department of Electrical Engineering, Tsinghua University, Beijing 100084, China;2. College of Photoelectical Engineering and Science, National University of Defense Technology, Changsha 410073, China |
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| Abstract: | A large power matching load with a resistance of 20 W was developed. It has been applied to modulating the high current electron beam accelerator based on water-dielectric spiral pulse forming line. When the resistance of the PFL matches the load(which is fixed in a diode), fairly good voltage and current waveforms of the load are obtained: the amplitude of the voltage is 200 kV, the current is 9 kA and the FWHM is 150 ns. According to the parameter of the matching load, the inductance of 2.12×10-8 H and capacitance of 4.51×10-10 F are calculated theoretically. In addition, the process of a square voltage wave feeding the matching load is simulated by Pspice and the distribution of static electric field of the matching load is simulated by ANSYS. The theoretical analysis agrees well wit |
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| Keywords: | Matching load Simulation of circuit High current electron beam accelerator Inductance |
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