High Power Laser and Particle Beams, Volume. 36, Issue 5, 055014(2024)

Breakdown characteristics of pre-ionization trigger gap in different gases under bipolarity pulse

Yi Wang... Fan Guo, Zhiqiang Chen, Wei Jia, Gefei Wang, Ling Shi, Linshen Xie, Gang Wu and Wei Wu |Show fewer author(s)
Author Affiliations
  • National Key Laboratory of Intense Pulsed Radiation Stimulation and Effect, Northwest Institute of Nuclear Technology, Xi’an 710024, China
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    Figures & Tables(8)
    Self-triggered pre-ionized switch
    Schematic diagram of the experimental circuit
    Typical waveform of the experimental results
    Breakdown voltage and delay time of pre-ionization gap in N2
    Breakdown voltage and delay time of pre-ionization gap in mixture of N2 and SF6
    Breakdown voltage and delay time of pre-ionization gap in SF6
    Difference and percentage of breakdown voltage and delay time between positive and negative polarity for pre-ionization gap in different gases
    • Table 1. Variance percentage of breakdown voltage and jitter of delay time for different gas

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      Table 1. Variance percentage of breakdown voltage and jitter of delay time for different gas

      polarityvariance percentage/%(MPa)jitter/ns(MPa)
      N2N2/SF6(1∶1)SF6N2N2/SF6(1∶1)SF6
      positive0.5(0.6)~4.9(0.1)6.0(0.2)~10.1(0.25)2.3(0.1)~7.3(0.15)0.9(0.6)~4.2(0.1)5.6(0.15)~9.3(0.25)2.0(0.1)~6.3(0.05)
      negative0.8(0.6)~3.3(0.2)3.4(0.3)~9.1(0.1)1.8(0.075)~7.0(0.05)1.4(0.6)~3.3(0.2)3.8(0.15)~7.7(0.1)2.3(0.075)~6.6(0.05)
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    Yi Wang, Fan Guo, Zhiqiang Chen, Wei Jia, Gefei Wang, Ling Shi, Linshen Xie, Gang Wu, Wei Wu. Breakdown characteristics of pre-ionization trigger gap in different gases under bipolarity pulse[J]. High Power Laser and Particle Beams, 2024, 36(5): 055014

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    Paper Information

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    Received: Nov. 6, 2023

    Accepted: Feb. 1, 2024

    Published Online: May. 16, 2024

    The Author Email:

    DOI:10.11884/HPLPB202436.230392

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