The modeling method of dc & ac arc furnaces are proposed.
简要介绍了直流电弧炉和交流电弧炉建模的几种方法。
3-phase ac arc furnace electrode up-down control system is a complex multiple variable coupling control system.
三相交流电弧炉电极升降控制系统是一个复杂的非线性多变量耦合控制系统。
The utility model can obviously improve the power factor of the ac arc welder to achieve the purpose of saving energy.
本实用新型可以明显提高交流弧焊机的功率因数，达到节约能源的目的。
The varible polarity output process of the inverter AC arc welding power source we designed is a very quickly alternating dynamic one.
本文就采用脉冲稳弧的交流弧焊机的电路原理、焊接性能进行了分析和探讨。
The utility model relates to an electric welding machine, which particularly refers to a portable ac arc welding machine with iron shells.
本实用新型涉及一种电焊机，尤其是一种具有铁质外壳的手提式交流弧焊机。
This paper introduces a simulation experimental system of 3-phase ac arc furnace, developing a DSP based electric-arc furnace electric pole fluctuation control system.
介绍一种按照实际交流电弧的特性设计的三相交流电弧炉仿真试验系统，针对电弧炉电极升降控制提出了一种基于DSP的控制方案。
Achieve the welding on low carbon steel pieces and low content alloy pieces with acid electrodes and basic electrodes. It is the best products of ac arc welding machines.
焊机可以实现酸性焊条或对低碳钢制件和低合金制件的焊接，是目前交流弧焊机最先进的产品，而且适用于重型工业领域焊接使用。
The water jacket is designed especially for the toughest application (ac arc furnace), but other models are available, particularly for small cables which require more flexibility.
水冷外壳是特别为交流电弧炉等应用设计的。当然它也适用与一些需要灵活性的小电缆。
This article introduces the failure situation, failure analysis, failure inspection and repairing on the basis of examples, also it illuminates the refitting for AC arc welding machines.
列举检修实例，详细叙述了交流弧焊机的故障现象、故障分析、故障检查与修理；介绍了交流弧焊机的改装。
An arc due to an AC signal usually quenches itself as soon as the voltage level passes through zero.
交流(ac)信号产生的电弧通常在电压通过零点时就会自己熄灭。
AC argon arc welding is used for the repair according to the leakage check and welding characteristics of aluminum materials, hardware device is strengthened, operation criterion are perfected.
采用的查漏方法，根据铝材的焊接特点选择交流氩弧焊进行修复，并采取增加硬件设施和完善操作规范的预防措施。
The stability of the AC plasma arc was analyzed on the base of the experiment phenomena in theory .
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。
Searching for a way to create an arc light for use on AC networks, Tesla now found a new fundamental ideal on which to focus: high-frequency electrical phenomena.
在特士拉想办法让电弧灯搭配AC电路使用时，发现了一个崭新的基本想法并且专注其上，那便是高频电流现象。
The stability of the AC MIG arc is closely related to the current before the polarity reversing point and voltage after that point.
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。
A new system of inverter for arc welding is introduced in this paper, which gives medium frequency AC current.
本文介绍了一种新型交流逆变式弧焊电源。
And the operation of various gas-shielded welding, ac and DC arc welding machine, stud welding machine, air plasma cutting machines and other ancillary products.
且经营各种气体保护焊机、交直流氩弧焊机、螺柱焊机、空气等离子切割机等配套产品。
This paper introduces the repair welding procedure for repairing an alumal casting piece of an oil pump cylinder, This method covers the shortages of AC argon arc weld and gas welding.
介绍了对油泵机缸体铝锰合金铸造件缺陷补焊修复的技术工艺，且弥补了若采用交流氩弧焊和气焊施焊时存在的不足。
High speed dual inverter to control the current wave form, very high arc stableability, high quality AC square wave, decrease the welding cost and increase the weld quality.
双重逆变高速控制电流波形，电弧稳定性极高，高品质矩形交流波，降低焊接成本，提高焊缝质量。
The influence of He-to-Ar ratio in AC-TIG on the AZ31 welding properties was studied. The arc characters, weld penetration, joint forming were measured and analyzed.
探讨了氦气和氩气不同配比对AZ31 镁合金交流钨极惰性气体保护焊（TIG）焊接性的影响，对不同气体配比的混合气体电弧特性、熔深、焊缝成型进行了分析和测定。
A highly effective method for preparation of carbon-coated iron carbide nanocrystals by AC carbon arc discharge was studied, the yield of magnetic micro powder was over 90%.
采用交流碳弧法高效合成碳包碳化铁纳米晶磁性微粉，磁性微粉产率达90 %以上。
Carbon stripping foils were prepared by AC or DC arc discharge method.
碳剥离膜可用交流电弧法或直流电弧法来制备，也可用交直流电弧来做多层膜。
The 2nd earthing ac voltage of arc welding machine does not exceed 200v, and DC peak value does not exceed 400v.
电焊机电缆的二次对地电压交流不超过200v，直流峰值不超过400v。
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.
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。
The chord AC subtends the arc ABC.
起弧比交流电容易，电弧加长一倍。
According to the theoretical study and combining to the analysis of actual welding waveform, a new and flexible ac short-circuit arc welding was brought up.
为了适应交流短路过渡焊接方法，焊接过程采用了全新的波形控制方案。
Paper covers temporary overvoltages, second arc current, switching overvoltage, major parameters of MOA and insulation level of UHV AC apparatus.
主要内容包括：工频暂时过电压，潜供电流，操作过电压，金属氧化物避雷器主要参数，特高压电气设备的绝缘水平等。
In breakers for medium-voltage ac circuits, the cathode-spot phenomena may be combined with methods for bringing about the lengthening and deionization of the arc path.
用于中压交流回路中的断路器，利用阴极辉点现象的方法和拉长电弧去游离的方法相结合。
Research on the zero-current-breaking control (ZCBC) for intelligent ac contactor and realize the micro-arc-energy breaking control in three-phase circuit.
进行智能交流接触器零电流分断的研究，并实现了三相电路的微电弧能量分断控制。
Research on the zero-current-breaking control (ZCBC) for intelligent ac contactor and realize the micro-arc-energy breaking control in three-phase circuit.
进行智能交流接触器零电流分断的研究，并实现了三相电路的微电弧能量分断控制。
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