弧電流 的英文怎麼說
中文拼音 [húdiànliú]
弧電流
英文
arc current-
Industrial limited company of electrical machinery of branch water makes the arc arc welding generator of three - phase direct current professionally, exempting and is shocked by electricity the dangerous advantage, stop the worker fitting the accident and happenning, 200 to 600 amperes are complete in specifications
清水電機工業有限公司專業製造三相直流電弧電焊機,擁有免遭受電擊危險優點,杜絕工安事故發生, 250至600安培規格齊全。Measure current density by probe method
電弧的電流密度New designed auto tracing arc eliminating device based on this technique contents more technology, which has sample circuit, wide tuning scope, quick response and low noise. this paper firstly introduces neutral grounding histroy. by analyzing the syntony grounding theory, the transient and stable process of one - phase grounding fault, the threaten to secure run of power system and the importance of exact compensation for capacitive current are cognized
論文中首先介紹了中性點接地方式的發展過程,通過對諧振接地原理和單相接地故障的暫態、穩態分析,認識到接地故障對系統安全運行的危害,通過消弧線圈對接地電容電流的迅速準確補償是減小故障危害的最主要手段。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
在特士拉想辦法讓電弧燈搭配ac電路使用時,發現了一個嶄新的基本想法並且專注其上,那便是高頻電流現象。Backing weld procedure technique of all - position narrow gap and thick - walled pipe welding is developed about all - position single - pass welding section analysis, wire feeding behavior, weld arc length, welding current analysis, procedure and joint test. the achievement has general guide meaning to producing and testing all - position welder
從單焊道全位置區段、送絲行為、焊接弧長(電壓) 、電流行為分析、工藝試驗和接頭檢驗等幾方面介紹管道全位置打底焊工藝特點,其研究成果對全位置焊接機的製造和調試具有普遍指導意義。Abstract : backing weld procedure technique of all - position narrow gap and thick - walled pipe welding is developed about all - position single - pass welding section analysis, wire feeding behavior, weld arc length, welding current analysis, procedure and joint test. the achievement has general guide meaning to producing and testing all - position welder
文摘:從單焊道全位置區段、送絲行為、焊接弧長(電壓) 、電流行為分析、工藝試驗和接頭檢驗等幾方面介紹管道全位置打底焊工藝特點,其研究成果對全位置焊接機的製造和調試具有普遍指導意義。Offering options of soft / hard arc and arc force for all - position welding
備有軟/硬電弧及推力電流選擇,實現全位置焊接的要求Multiple functions available : start / crater arc current, increase / decrease time, base / crest value current, pulse frequency, pulse rate, post flow time, hf welding
功能豐富:起始/收弧電流、上升/下降時間、基值電流、峰直電流、脈沖頻率、占空比、滯后關氣時間分別可調,高頻引弧。Multiple funcyions available : start / crater arc current, increase / decrease time, base, crest value current, pulse frequency, pulse rate, post flow time, hf / friction welding, water / gas cooling
功能豐富:起始/收弧電流、上升/下降時間、基值電流、峰值電流、脈沖頻率、占空比、滯后關氣時間分別可調,高頻/接觸引弧、水冷/氣冷可供選用。A production rate as high as 15 % is obtained under the condition of 150torr helium partial pressure, 300a arc current and quick electrode approaching speed as soon as possible. 2
在盡可能快的推進石墨棒的條件下,弧電流300a 、氦氣壓150torr 、無氦氣流時c _ ( 60 )粗品的產率最高,約為15 ; 2Some new phenomenons were discovered. the width of trigger current changes with the discharge condition, it is only 100u. s when let the trigger source work alone, but it can rise up to 300us with the arc current and magnetic field
在研究過程中發現引弧電流脈沖寬度受放電狀態的影響很大,在不引燃主弧時脈寬只有75 s ,而在引燃主弧並在加磁場的情況下會增大到300 s 。Cerium tungsten electrodes have easy arc starting performance and low are keeping current. it is especially used to weld pipes, stainless steel articles and fine miniparts
鈰鎢電極在低電流條件下有著優良的起弧性能,維弧電流較小,因此,它常常用於管道、不銹鋼製品和細小精緻部件的焊接。Current of arc
起弧電流The influences of several factors such as harmonics, intermittent arc grounding, ct, load and fault resistance have been thoroughly analyzed, therefore, it is fundamental work for its application
深入細致地分析了諧波、間歇電弧、電流互感器、負荷、過渡電阻等多個因素對故障選線結果的影響,為方案的實用化奠定了基礎。This paper presents the effects of some features on the productivity of raw c60 materials, such as distance and approaching speed of electrodes, helium partial pressure and arc current etc. then we separate and purify the raw materials and obtain pure solid c60 of 99. 9 % and compare the purification efficiency and effect of different fluxion phase and fixed phase and discuss the effects of the experimental conditions, such as the depositing speed, the type of the substrate, the surface structure of the substrate and the temperature of the substrate. finally, we use xps, afm, ultraviolet, infrared and raman to analyze the component, structure and feature of the films qualitatively and quantitatively
本文首先研究了氦氣分壓、弧電流大小、電極間距以及電極推進速度等實驗條件對制備c _ ( 60 )粗品產率的影響;接著選用柱色譜法分離提純得到了純度大於99 . 9的c _ ( 60 )固體,比較了不同流動相和固定相的提純效率和效果;然後採用自己改進后的真空鍍膜機,利用電阻式加熱蒸鍍方法,得到了純c _ ( 60 )薄膜和不同摻雜比的銀摻雜薄膜;探討了沉積速率、襯底種類、襯底表面結構以及襯底溫度等實驗條件對薄膜結構的影響;最後通過xps , afm ,紫外,紅外,拉曼對薄膜的成分、結構和特性作了定性和半定量分析。The results prove that the scheme increases the stability of electrode apparently, current fluctuating has been reduced, speed of system echo has been improved. the system has fine self - adaptive ability and fine ability to resist interference
現場調試結果表明採用的控制方法大大提高了電極控制的穩定性,電弧電流波動降低,系統的快速性大大提高,系統具有較強的自適應能力和魯棒性。This paper designs a device of testing the arc shield voltage in the vacuum interrupter, and makes a study of the arcing and after - arcing recovery characteristics of the arc shield by measuring the arc current, the arc voltage, the recovery voltage and the arc shield voltage
本文設計了真空滅弧室屏蔽罩電壓測量裝置,並對真空滅弧室在燃弧和弧后介質強度恢復過程兩個階段的電弧電流、電弧電壓、恢復電壓和屏蔽罩電壓進行了全面、系統的波形測試,研究了真空滅弧室蒸汽屏蔽罩在燃弧和弧后介質強度恢復過程的特性。Associated tightly with the stokes measured in small capacity current breaking and short - circuit breaking test duty t100a ( short arc, middle arc and long arc ), the electric field distributions 3 ms after current zero have been calculated. the cold gas flow field corresponding with small capacity current breaking is calculated. based on the results derived from one - dimensioned gas flow field simulation, the two - dimensioned gas flow fields corresponding with short - circuit breaking test duty t100a ( short arc and middle arc ) are calculated as well
本文採用與試驗緊密結合的方法,在給定機械行程曲線的基礎上對三峽工程中採用的550kvsf6斷路器在開斷小電容電流、短路開斷方式5短、中、長燃弧電流過零后3ms內滅弧室二維靜電場分佈進行了分析計算;對該斷路器開斷小電容電流時近似的冷態場進行了二維模擬分析計算;在對短路開斷方式5短、中、長燃弧一維氣流場進行分析計算的基礎上進一步採用一維氣流場和二維氣流場相結合的方法,對該斷路器開斷方式5短燃弧和中燃弧對應的二維熱態場進行了分析計算。Owing to the delay in change of regulation of executing agency with respect to changes in realistic state, arc furnace is predicted the state in the next time, with nn predicting model, so that the current wins comparative stabilization and impact of trashy power is reduced
本文首先針對電爐的執行機構的調節總是滯後於電弧爐實際狀態的變化,加上電弧爐神經網路預估模型,通過它預估出電弧爐下一時刻的狀態,使電弧電流能達到一種相對的極穩狀態,減少無功功率沖擊。Laws are drawn, disadvantages are explained and solve is suggested. according to the conclusion of tests, changes are made toward the structure. lot ' s of tests are carried out under different conditions
針對改進后的結構,本文在各不同推進劑質量流量、不同弧電流的工況之下進行了系統的性能測試,並將所得到的結果與改進前的結論進行了比較。分享友人