Development of compact module for long-pulse power generator
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摘要: 设计了基于Blumlein 脉冲成形网络（PFN）的紧凑型长脉冲功率模块。该模块将两路阻抗各为20 的Blumlein 脉冲形成网络对称连接于LTD的初级绕组上,并采用同一个气体开关驱动,以保证两路PFN工作同步。PFN采用直角弯折L型结构,这种结构既保证了PFN与开关连接紧凑,又将模块横向尺寸缩减至最短,且对输出脉冲波形影响不大。实验结果表明,研制的长脉冲功率模块在10 负载上输出脉冲幅值约为135 kV,半高宽约为180 ns,前沿约为50 ns,平顶约为100 ns,重复脉冲频率可达到25 Hz。
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关键词:
- 紧凑型 /
- 长脉冲功率模块 /
- Blumlein 脉冲形成网络 /
- 直线变压器驱动源
Abstract: Based on Blumlein pulse forming network(PFN), a compact module for long-pulse power generator is designed. Two Blumlein PFNs with 20 impedance are symmetrically connected with a linear transformer driver（LTD）s primary coil, and driven by an identical high voltage gas switch which ensures two Blumlein PFNs synchronizing operation. The Blumlein PFN uses L-type configuration. The design ensures PFN and gas switch being compactly connected and the horizontal size of the module being the smallest. Meanwhile, the L-type configuration has little impact on the waveform of the output pulse. The output pulse of the long-pulse module connected witha 10 load is about 135 kV in amplitude and 180 ns in full width at half maximum with a rise time of about 50 ns and a flat top of about 100 ns. -
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