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- With the increasing of helium content in the mixed gases,the arc voltage increase,and the ... 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。
- Reactance required to smooth the ripple and reduce spatter means: more weight, lower arc voltage and generates unnecessary heat and current loss. 需要电抗器滤波以降低飞溅,使得重量更大,起弧电压更低,并产生不必要的热量和电流损耗。
- Now the back commutation, during which arc moves in and out of chutes, leads to arc voltage drop and worsen the performance of circuit breaker. 但目前发现在开断过程中电弧反复进出灭弧栅片的背后击穿现象引起电弧电压的突降，降低了开断性能。
- The result of test shows that this electrode structure can reduce the arc voltage and increase interrupting current capacity of vacuum interrupter. 通过对样品的试验，证明该结构能降低电弧电压，提高触头的分断能力。
- The paper presents dynamic electric arc voltage and curr ent waveforms and main busbar voltage waveforms,obtained by MATLAB simulation. 本文用MATLAB软件实现了电弧炉模型的仿真，给出了电弧电压与电流波形，供电系统中的主要母线的电压波形图。
- Finally the principle is studied on how the diameter of shield influences vacuum arc voltage,shield voltage and shield current. 最后研究了屏蔽罩大小对真空灭弧室电弧电压、屏蔽罩电位及屏蔽罩电流的影响。
- This is beacause that the the addation of arc voltage means the decreasement, so the enlargement of are swing makes the increasement 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。
- Based on analysis and measurement,th e arc voltage coefficient and arc current coefficient of MgO electric smelting furnace are given. 在实际测试的基础上,给出了电熔镁炉的弧压系数和弧流系数,为进一步研究电熔镁炉提供依据。
- Arc voltage: :When the other conditions don't change, the arc voltage is added, the weld width will increase notably,but theweld depth and weld reinforcement will decrease smally. 电弧电压：当其它条件不变时，电弧电压增大，焊缝宽度显著增加而焊缝和余高将略有减少。
- With an arc quenching chamber having splitters, the breaker makes the arc voltage,which can limit the short circuit current, to a higher value through the near polar voltage drop. 它采用多个栅片的灭弧室，利用近极压降将进入到灭弧室中的电弧电压提升到一个较高的值，从而在开断电路的同时还起到对短路电流的限制。
- Extended A/D translation circuit and sample circuit of welding paramet er are employed to realize the date acquisition of arc voltage and welding curre nt in the welding process. 控制器外扩A/D转换电路、焊接参数采样电路,在焊接过程中对电弧电压及焊接电流进行数据采集处理。
- It is pointed out that enlarging the arc voltage, improving the welding speed, enhancing coating plasticity are the important approaches of solving the problem. 从提高电弧电压、提高焊条熔化速度、提高药皮塑性三方面改善不锈钢焊条的工艺性能,较好地解决了这一问题。
- 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。
- 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。
- When used shielded metal arc welding,arc voltage is one of technical parameters which is very difficult to control,sometimes it can bring forth a certain extent effect to welding quality. 采用手工电弧焊进行焊接时,电弧电压是一个很难控制的工艺参数,有时对焊接质量产生较大影响。
- The previous research mainly depends on the arc voltage to estimate the arc position, and testing the dielectric recovery strength, and reignition process to judge the ability of arc extinguishment. 以往的研究工作主要根据电弧电压波形来判断电弧大概的位置，利用介质恢复强度测试和大量的重燃试验来判断低压电器的熄弧性能。
- 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。
- Field circuit breaker failure causing too low arcing voltage followed by blast of ionised air in +ES cubicle and flashover at the left extremity of AC bus bars. 导致弧压过低的磁场断路器故障是引发+ES柜空气电离和交流母排左侧末端处发生闪络的原因。
- Joan of Arc was one of France's greatest daughters. 圣女贞德是法国最伟大的女性之一。
- It also draws conclusions that arc power will decrease all the time if the source voltage is less than minimum arcing voltage, the ratio of inductance stored energy to source ... 如果电源电压小于最小建弧电压,电弧功率将随时间而减小;
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