internal faults arc 内部故障电弧
So it is feasible to forecast and early warn faults arc in switchgear by online detecting the energy of incipient arc sounds feature sub-bands.
通过在线监测信号这两个特征子频带能量的变化即可判断早期故障弧声是否存在,从而实现故障电弧的早期预测预警。
参考来源 - 基于小波分析的故障电弧伴生弧声特征提取·2,447,543篇论文数据，部分数据来源于NoteExpress
This model mainly studies the effects of force and heat caused by inner arc faults and the numerical solution of the effects are given out.
建立的模型对内部电弧故障引起的力和热的效应规律进行研究，并对这两种效应进行了数值求解。
The inner arc faults in switchgear cabinet cause many effects.
开关柜内部电弧故障会引起许多效应。
The author discusses the faults of the existing plasma cutting machine, difficulty to start arc and to transit from minarc to maxarc, then puts forward a new control scheme based on technical desires.
针对原等离子切割机存在的起弧困难和小弧到大弧的转移不连续的缺点，对原控制装置硬件结构和控制线路进行技术改造，使用结果表明：该装置运行可靠，起弧容易，控制效果好，并且提高了生产效率。
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