根据大量低压电弧短路实验的结果,用概率统计方法导出低压电弧短路时的电弧电压模型及电弧短路电流的计算公式。用这些公式计算的最小电弧短路电流与实验结果吻合。
This paper presents the model of arc voltage and the formula of calculation of arc current based on a large number of experiments of arc short circuit in low voltage networks.
电的最后结果发生时,有电线导体短路(有电弧放电的现象)或电线导体开口暴露的现象。
Electrical end results occur with the shorting together of the cord conductors (evidence of an electrical arc discharge exists) or with the opening of either or both of the cord conductors.
首先通过测量阻抗轨迹法对异相短路故障的测量阻抗的进行分析,得出牵引网发生异相高阻电弧短路故障时,常规原理的阻抗保护将拒动的结论。
Conventional impedance relay will refuse to trip according to an analysis of measuring impedance by means of impedance locus method when wrong-phase-coupling of traction power supply system occurs.
首先通过测量阻抗轨迹法对异相短路故障的测量阻抗的进行分析,得出牵引网发生异相高阻电弧短路故障时,常规原理的阻抗保护将拒动的结论。
Conventional impedance relay will refuse to trip according to an analysis of measuring impedance by means of impedance locus method when wrong-phase-coupling of traction power supply system occurs.
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