Fire accident can arise from low-voltage arc fault, and so it is necessary to detect arc fault.
低压故障电弧有引发火灾的危险，所以检测故障 电弧是必要的。
But the argon plasma arc voltage, low enthalpy is not high, cutting ability is limited, and cut the air than the thickness of the cut about 25% lower.
但氩气等离子弧的电压较低，焓值不高，切割能力有限，与空气切割相比其切割的厚度大约会降低25%。
The characteristics of arc furnace are low voltage, big current and nonlinear load. Much negative sequence current is produced during running. As a result, the power net is unstable.
电弧炉具有低电压、大电流而且负荷非线性的特点，在其运行过程中产生大量的负序电流，导致电网不稳定。
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.
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。
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.
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。
The condition inbwhich the arc is buried are that the parameters such as CO_2 gas, thick wire, high current and low voltage should be used.
不过CO_2焊射滴过渡只能发生在潜弧状态下，产生潜弧的条件为在CO_2气氛中，使用粗焊丝，大电流和低电压的配合参数。
Entering new century, a new interrupting technology to be referred as auto puffer arc quenching technology is used in low voltage circuit breaker.
进入新世纪，一种称为气吹灭弧的新分断技术应用于低压断路器。
Entering new century, a new interrupting technology to be referred as auto puffer arc quenching technology is used in low voltage circuit breaker.
进入新世纪，一种称为气吹灭弧的新分断技术应用于低压断路器。
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