从小电流到大电流都可以保持稳定电弧。
Stable electric arc can be ensured from undercurrent to high current.
在进行交流TIG焊时，需要增加一些较复杂的控制方式，如：阴极雾化作用、消除和减小直流分量、稳定电弧等，以保证焊接的正常进行。
In AC TIG welding, it needs add some complex control method to ensure the quality of welding, such as negative-pole atomization affects, D. c. of elimination and reduce, and arc stabilizing etc.
电弧稳定，飞溅较少和熔透深，可确保焊接质量良好。
Stable arc, less spatter and deep penetration can ensure welding quality well.
试验结果表明该控制系统响应速度快，控制精度高，可实现对电弧电压的稳定控制。
The result shows that this control system responds quickly with high control precision and can control the arc voltage steady.
切割电弧稳定，切割速度快，切口平滑，变形小，挂渣少，节省材料。
Steady arc and fast cutting, even cuts, little deformation and slag, material-saving.
逆变式弧焊电源是新一代的弧焊电源，其特点是速度快，直流输出电流波纹小，电弧稳定，质量小，体积小，能耗低。
The inverter arc welding power source is the new power source and features high speed, small DC current ripple, stable arc, light weight, small capacity and low power consumption.
讨论了获得脉冲电流的原理。实测波形显示，输出的矩形波脉冲电流非常精确，且带有前沿尖峰，有利于电弧的稳定。
The wave shape measured indicates that the converter outputs the exact square pulse current with a peak in each front edge of pulse which is the benefit for arc stabilization.
焊接过程电弧稳定，焊接接头熔合良好，未见裂纹、 未焊透、夹渣、气孔等缺陷。
This process showed a stable arc, good welding joints without any gas pores and cracks.
电弧稳定、噪声低，振动小，焊机的使用效率和耐久性高。
Stable arc, low noise and less vibration ensure the welder run in high efficiency and has durability.
优质方波电源，电流过零时间短，电弧稳定，无需高频稳弧。
Quality square wave power supply, current zero crossing time is short, arc stability, arc without high frequency stability.
电弧供电采用了两种并联电路，解决了焊接电流的单一性，提供了稳定的先导电弧，保证了足够的焊接时间。
With two parallel circuits on arc powered supply, it settles the welding current unicity, stabilizes forerunner arc and ensures enough welding time.
实验结果表明，该控制系统动态响应快速，配合波形控制有效地提高了电弧稳定性。
Experimental results show that the control system has fast dynamic response and improves arc stability effectively with the waveform control.
该电源电弧容易引起周期性的熄灭和引燃，因此如何保证电弧稳定燃烧成为关键。
However the welding arc may be extincted and ignited periodically. So the arc stability becomes the key.
本文采用与时间有关的线性微扰理论，分别讨论了旋转气流、纵向气流的作用，以及它们共同的作用下电弧螺旋不稳定性的特征。
The linear time perturbation theory is used in this paper, the effects of rotary flow, axial flow and both of them to the arc stability are discussed respectively.
此外，还根据实验现象从理论上分析了交流等离子电弧的稳定性。
The stability of the AC plasma arc was analyzed on the base of the experiment phenomena in theory .
到目前为止，关于激光-电弧复合热源焊接的研究主要集中在应用方面，而涉及到电弧特性及过程稳定性等基础理论，仍有许多问题亟待解决。
By far, research about laser-arc hybrid welding is mostly concentrated on the application and there is still much problem to solve come down to the arc properties and the stability of welding process.
由于电弧回路结构不同，双丝间接电弧气体保护焊的焊接过程比单丝焊更加稳定。
Because of the difference of arc circuit, the welding process of twin-wire indirect arc gas shielded welding is more stable than single wire welding.
其电弧稳定与否，主要取决于电流过零瞬间的电弧空间电离度、电极发射电子能力及再引燃电压的上升速度。
The stability of the welding arc depends mainly on the voltage and the gas ionization when current zero-crossing as well as the electron emission ability of the electrode.
提出了等离子体中离子振荡是造成电弧不稳定的内在原因的观点。
A view that the ion oscillations in plasma causes arc in stable is suggested.
本文就UHP灯的电弧不稳定机理进行了初步分析，并讨论了解决闪烁的方法。
In this article mechanism of UHP lamp arc instability is analyzed primarily and discussed of system solutions for anti-flicker.
其极佳的输出特性可在全程输出中产生稳定的电弧。
The machine produces excellent output characteristics, and delivers a stable arc across the entire output range.
讨论了具有抛物线形电流分布的电弧等离子体柱在磁场中的不稳定性问题。
The helical instability problem of an arc plasma column with a parabolic current profile in a magnetic field is discussed.
试验中发现，采用模糊专家控制系统对焊接过程进行闭环控制时，焊丝干伸长及电弧弧长对焊接过程稳定性和焊缝成型有重要影响。
The experiment show that wire extension and arc length can influence the stabilization of welding process and the welding-seam modeling when using fuzzy-expert system .
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.
计算结果表明，轴向气流对电弧稳定性起重要作用。
Computational results show that the axial gas flow play the main role on the arc stability.
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.
指出交流MIG电弧稳定性与换向前的电流、换向后的电压有密切关系。
The stability of the AC MIG arc is closely related to the current before the polarity reversing point and voltage after that point.
氧化物的分布对起弧、电弧稳定性等均有重要影响。
Also, the distribution of the oxide has the considerable impact on arc starting as well as arc stability.
在静电磁流体方程基础上，提出了柱状放电电弧等离子体磁螺旋不稳定性的一种新的线性分析方法。
A new linear analysis for magnetic helical instabilities of arc discharges in a cylindrical plasma is developed based on a set of electrostatic magnetohydrodynamic equations.
在静电磁流体方程基础上，提出了柱状放电电弧等离子体磁螺旋不稳定性的一种新的线性分析方法。
A new linear analysis for magnetic helical instabilities of arc discharges in a cylindrical plasma is developed based on a set of electrostatic magnetohydrodynamic equations.
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