... 低真空 low vacuum 低压电弧 low voltage arc 低丰度同位素 low-abundance isotope ...
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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.
它由两组电源构成：维持电弧燃烧的大功率低压电源和执行再引弧的小功率高压电源。
It consists of two sources: low voltage high power source which puts the arc maintenance into practice and high voltage low power source which carries out the arc reignition.
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