Development of a long-pulse power generator based on arc-type PFN
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摘要: 设计了基于弧形Blumlein 脉冲成形网络(Blumlein PFN)的LTD型重复频率长脉冲功率模块。该模块将四路阻抗均为24 的弧形Blumlein PFN对称分布在LTD外筒圆周上，连接于LTD的初级绕组上，并采用两个激光触发放电开关同步驱动，整个脉冲功率模块结构紧凑，缩短了高压馈线和开关引线长度，有利于形成良好脉冲波形。在此基础上研制了两模块重复频率长脉冲功率源，实验结果表明，研制的长脉冲功率源在5 Hz重频运行时假负载上输出脉冲幅值约为260 kV，脉冲功率达到5.2 GW，脉冲宽度约170 ns。Abstract: A compact module based on arc-type pulse forming network(PFN) for long-pulse power generator is designed. Four Blumlein PFNs with 24 impedance are symmetrically connected with the LTDs primary coil and driven by two high voltage gas switches. The Blumlein PFNs use arc configuration. The design ensures small horizontal size of the module and compact connection of PFNs and gas switches. On this basis, a two-module long-pulse power generator is developed. At the repetition frequency of 5 Hz, the output pulse of the long-pulse module connected with 12 load is about 260 kV in amplitude, 170 ns in duration with power of 5.2 GW.
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Key words:
- compact /
- long-pulse power generator /
- pulse forming network /
- arc-type /
- linear transformer driver
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