Qi Wang, Meng Wang, Jue Wang, Ping Yan. Two-phase streamer characteristics in transformer oil under nanosecond impulses voltages[J]. High Power Laser and Particle Beams, 2020, 32(2): 025011
- High Power Laser and Particle Beams
- Vol. 32, Issue 2, 025011 (2020)
Fig. 1. Geometric structure of needle-plate electrode and its mesh generation针板形电极几何结构及其网格划分
Fig. 2. Comparison of two-phase model and ordinary fluid model electric field simulation results200 kV正极性脉冲电压下气液两相介质模型与纯液体电介质流体模型的电场仿真结果对比
Fig. 3. Plot of electric field distribution along the needle-plane electrode axis given by the solution of the two-phase ionization model for t ＝ 40 to 80 ns in intervals of 10 ns from the simulations in transformer oil
两相模型下变压器油在纳秒脉冲升压开始后40至80 ns期间沿针板电极中心轴的流注电场强度分布
Fig. 4. Plot of electric field distribution along the needle-plane electrode axis given by the solution of the two-phase ionization model，showing the gas-phase and liquid-phase regions两相模型下沿针板电极中心轴的液相与气相流注电场强度分布区分
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Table 1. Physical parameters required for simulation of liquid phase
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Table 2. Thermal parameters of transformer oil
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Table 3. physical parameters required for simulation of gas phase
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