Its very important to control the electrode current of arc furnace.
在冶炼工业的电弧炉中有效地控制电极电流，对于电弧炉正常运行至关重要。
The DSP realizes functions of sampling, PI regulation, communication and so on to digitally control the excitation current of arc-suppression coil with magnetic bias.
DSP主要完成采样、PI调节和通信等，实现偏磁式消弧线圈励磁电流的数字控制。
The method of intelligent control based on neural network is applied in electrode current of arc furnace. The electrode current is analyzed and simulated by the BP and RBF models of neural network.
讨论了基于神经网络对电弧炉电极进行智能控制的方法，运用神经网络的BP、RBF以及双隐层BP模型，分别对电弧炉电极的单相电流及三相电流进行了分析和仿真。
The arc voltage, current, power and resistance of a nitrogen gliding arc in one period were studied.
以氮气滑动弧为例，分析了其在一个周期内电弧电压、电流、电阻和功率的变化特性。
When the current, voltage must be improved means that the improvement of arc enthalpy and cutting capability is improved.
当电流一定时，电压的提高意味着电弧焓值的提高和切割能力的提高。
Either of two rods through which current flows to form an arc, as in lighting or welding.
碳精棒两根棒的任一根，电流流经该棒形成电弧，如在闪电或焊接时。
This paper introduces the structure and working principle of LEM current sensors and their application in the development of inverters for arc welding.
本文介绍LEM电流传感器的结构，工作原理及其在弧焊逆变器研究中的应用。
From starting-up to stabilization of the arc, the electric current and voltage usually fluctuate acutely, which makes a great impact on other circuit components.
由电孤启动到正常工作这段时间，电网线路的电流电压波动性较大，往往给电路其它各元件造成强烈的冲击。
The new system can combine with smelting arc current model, so optimum is ensured for performance of regulator in each smelting stage.
由于新系统可以与冶炼弧流模型紧密结合，因此保证了在各冶炼阶段调节器性能的最优。
Testing results show that the major factors affecting the deposition efficiency are the welding current, arc voltage and gas flow rate under the condition of same circuit inductance.
试验结果表明，在回路电感值不变的条件下，焊接电流、电弧电压和气体流量是影响熔敷效率的主要因素。
The experimental results indicate that the instantaneous energy can synthetically reflect the influence of current and voltage on dynamic arc characteristics.
试验结果表明，瞬时能量可以综合地反映电流电压对电弧动态性能的影响。
It was shown that the main technological parameter affecting the performance of the coating was arc current, and then the thickness of the coating.
电弧电流和涂层厚度之间有一定的交互作用。涂层孔隙率是影响涂层性能的主要原因。
According to small signal theory of automation theory, arc of low current TIG welding can be considered as a linear system.
依据自动控制理论中的小信号理论，小电流TIG焊的电弧具有线性系统的特征。
The phenomenon of double arc which is usually caused by the reasons of too big welding current, too small diameter of the nozzle and eccentric of the cathode has been simulated.
针对造成双弧现象的原因，模拟分析了由于电流过大、喷嘴压缩孔径过小和钨极偏心三种因素所导致的双弧现象。
The rotary driving circuit, position detecting circuit, and welding current sampling circuit of the high speed rotating arc sensor are introduced in detail.
详细介绍了高速旋转电弧传感器的旋转驱动电路、位置检测电路以及焊接电流采样电路。
The influence of breaking current on arc characteristic is also measured.
在变弧隙燃弧情况下，测量刚分电流对电弧特性的影响。
The second is, when steel is welded by means of VPTIG of argon, the changes in current, voltage and arc shape.
第二部分研究了在氩气作保护气体的情况下，用变极性TIG焊方法焊钢时，焊接电流、电压的变化情况和电弧形态的变化。
The results indicate that high temperature effect of arc column strongly prevents cold gas current from getting in, so as to restrain CVD process.
结果表明：电弧弧柱的高温效应剧烈排斥冷气流的混入，使CVD过程受到抑制。
The critical factor causing the arc length fluctuation to affect the input heat power to the anode proves to be the phenomenon of the current dispersion in plasma arc itself.
文中指出，弧长波动影响阳极输入热功率的重要因素是等离子电弧本身存在着电流分散现象。
Arc current reducing rate and arc voltage at the time of arc discharging are established for every mathematical model.
得到电弧放电瞬间每一模型下的电流变化率和电弧电压。
The amplitudes of secondary arc current and recovery voltage are two decisive factors to extinguish secondary arc.
稳态下潜供电流和恢复电压幅值是潜供电弧熄灭的两个决定性因素。
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.
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。
According to the voltage and current waveforms of arc, an ideal voltage current transform characteristic curve and an equivalent circuit representing for long arc have been described in this paper.
根据长电弧电压电流波形，建立了电压方波电弧的理想电压电流转移特性曲线和对应的电弧等效模型。
According to the dynamic behavior of the breaking current, breaking arc duration is extract from the breaking current waveform by using the concept of moving average of statistics.
利用分断电弧过程中的电流动态特性，使用移动平均法提取了每次分断电流的燃弧时间。
Analyzing the variation of the nozzle arc parameters at current zero, in addition, analyzing the breaking property of the studied circuit breaker on the basis of the theory.
分析了电流过零时喷口内电弧参数变化的原因，此外，从理论上对所研究的断路器的开断性能进行了分析。
During the arc time, changing rate of current could be adjusted by modulating the parameter of the control circuit, which ensures the proper output power of the arc.
在燃弧阶段，调节控制回路参数，控制燃弧电流的变化速度，保证充足的燃弧能量。
Based on the model, calculation formula of available light-triggered current and turn-on condition in LTT arc obtained.
由建立的模型推出了LTT内部产生的有效光触发电流公式及LTT开通条件。
The measuring methods of D C TIG welding arc anode sheet surface current density split sheet method and probe (made by ourselves) method were analysed and compared.
对直流TIG电弧阳极板表面电流密度的测量方法——分离极板法和探针（自制）法进行了分析比较。
The helical instability problem of an arc plasma column with a parabolic current profile in a magnetic field is discussed.
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 fluctuation of current is larger than that of voltage in arc spray process. So the fluctuation of current is of importance to the quality of coatings and the stability of arc spray process.
由于喷涂过程中电压的波动范围不大，而电流的波动范围较大，因此喷涂电流的波动对电弧喷涂过程的稳定性及涂层质量的影响更为突出。
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