Based on the interrupting test results of this break unit with different parameters and structures, the physically designing principles of extinguishing arc fashion in HVDC breaker are introduced.
在不同参数、结构高压直流断路器单元开断试验结果的基础上，提出高压直流断路器灭弧方式的物理设计原则。
At last, according to the results of model test, the paper puts forward some Suggestions helpful for arc wave screen design.
最后，根据模型试验结果，给出有助于弧形防浪墙设计的一些建议。
Xenon weatherometer is a weathering test equipment with xenon arc lamp, but there are not calibration Specifications and measuring instruments in domestic.
氙灯试验箱是采用氙弧灯光源的气候老化试验设备，国内还没有相应的校准规范及合适的测量仪器。
Numerical simulation and cold status test of jet flow of coherent jet oxygen lance and common oxygen lance for arc furnace steelmaking have been carried out by CFX5.7.1 Software.
用CFX5.7.1软件对电弧炉炼钢用集束射流氧枪和普通氧枪的射流特征进行了数值模拟和冷态试验。
The main welding parameters such as welding current, arc voltage and welding speed have been optimized by the orthogonal test and welding arc dynamic wavelet analysis instrument.
运用正交试验，结合自行研制的焊接电弧动态小波分析仪对焊接电流、电弧电压、焊接速度等主要焊接工艺参数进行了优化研究。
By welding operating testing, measurement of Hannover arc characteristics analyzer, hardness test and wear test, the influence of rutile particle size on the properties of the electrodes was studied.
通过操作性能测试、汉诺威电弧质量分析系统测试、硬度试验和磨损试验，研究了金红石粒度对焊条性能的影响。
Test and control of welding arc by the means of investigating and utilizing the information is the direct and effective way to study the complex mater-welding arc.
电弧中含有丰富的光谱信息，研究并利用这些信息进行焊接电弧的测控是研究焊接电弧这一复杂物质的最直接最有效的方法。
Aerospace series - cables, electrical, aircraft use - test methods - resistance to dry arc propagation.
航空航天系列。飞行器用电缆。试验方法。耐干弧光的传播性能。
Submerged arc welding with the test welding wire matching sintered flux was carried out to get the deposited metal.
对所研制的焊丝匹配烧结焊剂进行了熔敷金属的埋弧焊试验。
The results of test showed that vibratory submerged arc welding can reduce residual stress and distortion notably and make the grains fine.
试验结果表明，振动埋弧焊工艺能有效地降低焊接残余应力和变形，并细化晶粒。
This article introduces the principle of double wire single arc preheating wire filling welding, and the test result of the double wire single arc preheating wire filling submerged arc welding.
介绍了双丝单弧预热填丝焊的基本原理，以及双丝单弧预热填丝埋弧焊试验研究结果。
The basic principle, test device, and the regularity of cutting parameters affecting to the arc characteristics, kerf width, kerf Angle, and dross free cutting speeds are dealt with.
内容涉及基本原理、实验装置及加工参数对弧柱特性、切口宽度、切口角、无渣切速的影响规律。
And has a CNC vertical lathe, boring machine large landing, automatic gap submerged arc welding, electro-optical tracking cutting machine and a variety of measurement test equipment.
且拥有数控立式车床、大型落地镗床、自动间隙埋弧焊、光电跟踪切割机以及各类计量检测设备。
After visual inspection and metallographic test, analysis and discuss the welding zone cracking reasons for 6061 and A7003 aluminum alloy thin-walled tube after TIG (argon shielded arc) welding.
通过宏观及微观检测，分析了6061铝合金管及A7003铝合金薄壁管经TIG(氩弧)焊后的焊接区开裂的原因。
Field test results and application experience show that thyristor-controlled arc-suppression coils are of quick response, small residual current and good service effects.
现场试验结果及使用经验表明，晶闸管调节消弧线圈响应速度快、残流小，实际运用效果良好。
Aerospace series - cables, electrical, aircraft use - test methods - resistance to wet arc tracking.
航空航天系列。飞行器用电缆。试验方法。耐湿弧光痕迹性能。
Surfacing process test is made on Q235 steel substrate by shielded metal arc welding process using electrode CHR322 at different welding current condition.
前言：采用焊条电弧焊工艺方法，选用C HR322堆焊焊条在Q235钢基体上以不同的焊接电流进行了堆焊试验。
If the arc generated during the make or brake of electrodes of spark-test apparatus was regarded as a non-linear resistance, non-explosion assessing intrinsic safety method can be established.
如果将火花试验装置的电极在闭合或断开时的放电电弧看作一个非线性电阻，则可以实现电路本质安全性能的计算机辅助分析方法。
On the basis of test research, unloading arc calculating model and arc beam mechanical model are set up, thick sand stratum's rupture law is exposed.
在实验研究的基础上，建立了“卸荷拱”计算模型及“拱梁”力学模型，初步分析了厚沙土层的破坏机理。
Finally arc self-extinction criterion is proposed to compute arc durations under the different conditions, which are corresponded with test results.
最后提出了电弧自熄判据，并以此计算了燃弧时间，与实测时间基本吻合。
By using the neurobehavioral core test battery (NCTB), 44 manganese exposed workers working in electrical arc welding and dry battery workshops were tested.
选择44名接触不同空气中锰浓度的干电池制造工和电焊工，进行了成套的神经行为功能测验。
Through orthogonal test, we work out the solution by selecting rational electric regulation and adjusting burden in submerged arc furnace, thus, the production can be operated smoothly.
通过正交实验并选择合适的供电制度及调整矿热炉用料结构等技术措施，找到了解决问题的方法，从而可以使生产正常进行。
The make-break test shows that AgC 5 contact material fabricated by nano-phase coating possesses good resistance against arc erosion.
分断实验表明 ：将纳米技术应用到银 /石墨触头材料的制备中 ，使材料的抗电弧磨损性能有了较大的改善。
The utility model provides an ultrasonic fault detection comparing test block for a high-voltage pillar porcelain insulator, consisting of a test block body and arc grooves.
本实用新型提供一种高压支柱瓷绝缘子超声波探伤对比试块。
The utility model provides an ultrasonic fault detection comparing test block for a high-voltage pillar porcelain insulator, consisting of a test block body and arc grooves.
本实用新型提供一种高压支柱瓷绝缘子超声波探伤对比试块。
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