The back-space decreasing is benefit to improve the arc voltage, pressure of arc chamber and change the arc motion in arc quenching chamber. 研究结果表明:灭弧室背后空间的改变,对模型开断能力影响明显,减小背后空间体积有利于提升电弧电压、灭弧室气压以及改善电弧运动情况。
This is because that the addition of arc voltage means the decreasement, so the enlargement of are swing makes the incensement of weld width. 这是因为电弧电压增加意味着电弧的长度增加,因此电弧摆动范围扩大而导致焊缝宽度增加。
With the increasing of helium content in the mixed gases, the arc voltage increase, and the weld width broaden, especially the weld penetration deepens obviously. 随着混合气体中氦气比例的增加,熔深和熔宽均增加,但熔深增加得更明显一些。
Optional plasma cutting arc voltage tracking system, including initial position and automatic arc voltage trac-king system. 可选弧压跟踪系统,包括初始定位、弧压跟踪装置。
A set of digitized measuring system of arc voltage for high voltage circuit breaker has been set up successfully. 本文提出并建立了一套数字化的高压断路器电弧电压测试系统。
Because welding arc voltage and welding current contain abundant information of welding quality, we can not only judge welding quality, but also can manage and control welding quality after we analyze welding arc voltage and welding current by compute technology and digital processing technology. 电弧电压和焊接电流里包含了重要的焊接质量信息,采用计算机技术和数字处理技术对电弧电压和焊接电流信号进行分析,不仅可以对焊接质量进行评判,而且可以用于焊接质量的管理和控制。
Arc voltage and welding current are signal source. 以电弧电压和焊接电流为采集的信号源。
The dependence of the discharge arc current on the arc voltage and the filament heating current, and the dependence of the ion extracting efficiency on the arc current and the working gas pressure have been studied. 研究了灯丝加热电流、弧压对弧流的影响和弧流与工作气体压力对离子束引出的影响规律。
Welding process factors consist of welding electric current, electric arc voltage, welding speed, etc. 焊接工艺因素包括焊接电流、电弧电压、焊接速度等。
Wire feeding velocity performs motor armature voltage feedback and arc voltage feedback respectively by two PI adjusters. 送丝速度采用电枢电压和电弧电压反馈进行双闭环PID控制。
The electron arc welding power source without sampling of arc voltage is introduced in this paper. 现代下降特性电子弧焊电源设置的后拖特性一般是由电弧电压取样作为参考电压形成的。
The effect of fluxes on arc voltage is studied. 系统的研究了活性剂对电弧电压的影响。
A plasma torch's height control system which is based on plasma arc voltage measuring is introduced. 设计了一种基于等离子电弧电压检测的割炬高度控制系统。
The weld parameter detecting system is the precondition for controlling welding current and arc voltage in the future. 为今后实现焊接电流、电压的实时控制提供了前提条件。
The PCI_9118HG data acquisition card and signal conditioning circuitry can sample welding arc voltage and welding current very well and insulate control circuitry and main circuitry. 系统硬件主要包括PCI9118HG采集卡和调理电路,它们能较好地采集电弧电压和焊接电流信号,实现控制电路和主电路的隔离。
The result shows that this control system responds quickly with high control precision and can control the arc voltage steady. 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。
Arc voltage controlled system for soft switch inverter based on TMSLF2407A is introduced, signal feedback and isolation circuit, driving circuit, protection circuit is designed. 介绍了基于型号为TMSLF2407A的DSP软开关逆变电源电压控制系统的构成和设计依据,设计了控制系统的信号反馈与隔离电路、驱动电路和保护电路。
In this paper, arc voltage of PMIG welding is controlled by Fuzzy controller. The welding arc is steady in welding process and the appearance of weld is good. 本文介绍作者拟对脉冲熔化极气体保护焊(PMIG焊)焊接过程中的电弧电压参数进行模糊控制,取得了良好的焊接电弧稳定性和焊缝成形的效果。
It is showed by analysis that the harmonic magnitude of arc furnace system relates to harmonic impedance of system and arc voltage, and mean power factor of arc furnace, the harmonics of injecting electric network from arc furnace are main low harmonics. 分析表明:电弧炉系统的主电路谐波的大小与系统的谐波阻抗、电弧电压波形和电弧炉的平均功率因数有关,电弧炉注入电网的谐波主要为低次谐波。
The experimental model designed was used to measure arc voltage and current waveforms of alloyed contact in resistive load circuit and inductive load circuit on the condition of room temperature; 应用自行设计的实验模型,在室温条件下,并在电阻性电路和电感性电路中,测量了金合金触点的电弧电压和电弧电流波形;
The real time control by adopting Personal computer in all position pipe welding machines can be realized and the welding current can be adjusted in feedback and arc voltage can be adjusted by itself. 采用PC机对全位置管焊机进行控制,从而实现了焊接过程的实时控制,保证了焊接电流的反馈调节及电弧电压的自动调节。
A microcomputer controlled IGBT inverter power source for pulsed MIG welding is developed. It realizes the self adaptive control and closed loop control of arc voltage in pulsed MIG welding process. 建立了微机控制和IGBT逆变式脉冲MIG焊电源系统,实现了MIG焊接过程弧压自适应闭环控制。
Appropriate elevated arc voltage can effectively solve the problem the arc length is compressed. 适当升高电弧电压可有效解决弧长被压缩问题。
Using the synchronous multi-information acquisition system in hyperbaric environment, a truly synchronous analysis was achieved of welding process high-speed image, arc voltage and welding current in hyperbaric environment. 利用高压环境焊接过程多信息同步采集系统,实现了高压环境下焊接过程高速图像、电弧电压及焊接电流的真正意义上的同步分析。
The arc voltage of diffusion arc is lower, and is superimposed on a slight high-frequency noise voltage signal. 扩散型电弧弧压较低,弧压上叠加有轻微的高频噪声电压信号。
This system first adopted filter processing of the gathered welding current and arc voltage. 本系统对采集到的焊接电流和电弧电压首先采取了滤波处理。
In the transition process, arc voltage increases dramatically, and is superimposed on a high frequency voltage components. 在过渡型电弧中,电弧电压急剧增大,并且叠加有高频的电压分量。
This paper also gives the program flow chart of the control system and writes the program associated with the height control system. Finally, prototype of the arc voltage height controller has been made and related tests have been conducted. 本文还给出了控制系统的程序设计流程图并编写了高度控制系统的相关程序,制做出了弧压高度控制器的样机并进行了相关测试。