加压去离子水短脉冲击穿特性的初步研究
Preliminary study of the breakdown characteristics of the pressurized deionized water under short pulse voltage
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摘要: 液体的介质气泡击穿理论作为研究基础，开展了两种短脉冲下高压强水介质开关的击穿实验，获得了水介质击穿场强及耐压时间与水中压强关系的数据，通过分析比较得出：在脉宽300 ns和1 μs两种脉冲电压作用下，当水中压强逐渐提高时水介质击穿电压和耐压时间均呈上升趋势，压强越高趋势越明显，而且作用脉冲越宽水中压强对于水介质击穿特性的影响越显著。Abstract: The bubble breakdown theories of liquid that summarizes of the experimental data of the Siberian Research Institute of Energetic in Russia is presented in this paper. The breakdown experiments of the water switch have been done under the two short pulsed voltages of 1 μs and 300 ns.Some valuable experimental data about the relations of the breakdown electric field intensity and the hold-off time of pressurized deionized water breakdown have been acquired. The experimental results indicate that the breakdown electric field and the hold-off time of pressurized deionized water is enhanced under the two short pulsed voltages, when the pressure of water between the electrodes increases. However, the effects of water pressure is different under the short pulsed voltages of 1us and 300 ns; Short
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