一次短路电弧熔珠和二次短路电弧熔珠是飞机电气火灾原因鉴别的重要物证。
The primary arc beads and the secondary arc beads are the important evidence for identification of the cause of fire during airplane electrical fire investigation.
简述了短路电弧焊接的物理过程及过程稳定性概念，介绍了有关短路焊接过程稳定性各种评价方法及相应准则，最后对其进行了必要的讨论。
This paper interprets the short-circuit arc welding process and the process stability. The evaluation methods and criteria for the short-circuit arc welding process are introduced and discussed.
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.
采用模糊控制技术，实现了电弧电压或短路频率的控制，提高了焊接质量。
Fuzzy control tests of arc voltage and short-circuit frequency are conducted to improve welding quality.
最后，通过对牵引供电系统异相电弧短路和电力机车运行过程的仿真，验证了保护方案的正确性，有效性和可行性。
At last, the accuracy, efficiency and feasibility are indicated by analyzing the simulation datum of the arc wrong-phase short circuit and the running of the electric locomotive.
分析了CO2焊接的短路过程电弧特点，建立了CO2焊计算机采集及评价系统。
By analyzing the arc characteristic of the CO2 short circuiting transfer welding process, a PC analysis and evaluation system for the CO2 welding process was built up.
缠绕线圈的玻璃纤维等绝缘材料具有自熄特性，不会因短路产生电弧，高热下树脂不会产生有毒有害气体。
Wound coil of glass fiber insulation material with self-extinguishing properties, will not short circuit arcing, heat of the resin will produce toxic or harmful gases.
为了分析短路过渡电弧的焊接过程和探讨电弧能量对焊接稳定性的影响，设计了短路过渡电弧电参数检测系统。
A arc parameter-measuring system was developed to analyze the process of short-circuiting arc welding and the effect of arc energy on the welding stability.
通过实验验证，证明该系统监测电弧短路具有很高的准确性和快速性。
The system is proved by experiment to be of high accuracy and high speed.
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.
电弧不仅仅选择最短路径，电弧搜索的路径也是最小阻抗的路径。
It does not only take the shortest way, the way the arc searches must also be the way of the smallest resistance.
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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