high current arc 中文意思是什麼

high current arc 解釋
大電流電弧
  • high : adj 1 高的〈指物，形容人的身高用 tall〉；高處的；高地的。2 高級的，高等的，高位的，重要的。3 高尚...
  • current : adj. 1. 通用的，流行的。2. 現在的，現時的，當時的。3. 流暢的；草寫的。n. 1. 水流；氣流；電流。2. 思潮，潮流；趨勢，傾向。3. 進行，過程。
  • arc : A. R. C. ＝ American Red Cross 美國紅十字會。n. 1. 弧；弓形，拱（洞）。2. 電弧，弧光。
  1. 2 ignitor : - this is an electronic amplifier that receives electric current from the ballast and boosts voltage to ignite the arc light source in all environments. it initializes plasma discharge within the source by delivering a high - volt pulse to the electrodes

    2 ignitor : -是一個從ballast接收電流並向所有環境中的arc light source釋放電壓的電子放大器，它通過向電極傳遞高脈沖來對等離子放電器進行初始化
  2. Surface modification of h13 steel by arc deposition of al film and high current pulsed electron bombardment

    13鋼電弧沉積鋁膜及強流脈沖電子束后處理的復合改性研究
  3. Abstract : with the aids of computer ' s hardware, executive mechanism of weld arc length automatic controller of all - position pipe welder and additional software, an automatic system for arc striking has been developed, in which touch - starting method using tiny current is introduced. utilizing this method, the ablation ratio of tungsten electrode and tungsten inclusion ratio of welded seam is far smaller than normal touch - starting method. and the successful ratio of arc striking is high

    文摘:用全位置自動焊管機弧長自動控制系統的計算機硬體和執行機構，僅增加部分程序，設計了採用小電流接觸引弧法的自動引弧系統，鎢極燒損和焊縫夾鎢遠小於普通的接觸引弧方式，引弧成功率很高。
  4. 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 ； 2
  5. A novel current control mode pulse width modulation switched high frequency resonant arc igniting device is developed based on uc3842 and the principle is analyzed

    摘要採用uc3842設計了電流控制型脈寬調制開關式高頻振蕩引弧器，並對其工作原理進行了分析。
  6. The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization

    其中變極性電源採用二次全橋逆變結構，一次逆變提供快速的響應速率並給二次逆變提供能量，二次逆變提供良好的變極性性能，使輸出能量最優化，並用其低頻電流特性減小電弧線能量，控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上，利用電流的高頻特性壓縮電弧，改善焊縫金屬結晶過程。
  7. The capacitor has advantages of low dissipation, high insulation resistance, good self - healing character, and steady electricity performance, anti - striking current, strong over - carrying capacity, etc. it is assembled sith inner hidden discharge resistance. it is applied in high or low pressure sodium lamp and mercury - arc lamp for the help of power factor compensation

    斷開電流允許時間：在0 . 5秒內的8個半周波前跳閘絕緣電壓ul1699第59節：線路與負載之間1000v ， 1分鐘
  8. Design high frequency to increase voitage and pulse heat to strike arc, so with fine ability to start arc. so with fine ability to start arc. welding current is sufficient

    採用高頻增壓引弧及脈沖熱引弧設計，起弧性能極佳，焊流電流充足，卓越的性能價格比。
  9. The tap - changer is made with solid state relay as its working mechanism and controlled by microprocessor. this switch has totally cancelled the mechanical drive organization, by the microprocessor according to the voltage of second side microprocessor decide the working condition of solid state rely, high regulation speed, need not transition resistor, rush current is low. operating frequently ; there is no electric arc to produce, can put in the fuel tank of the voltage transformer directly ; the structure is simple, the fabrication cost is low, benefit and use widely among the voltages transformer of distribution

    其中的有載調壓分接開關，它是一種完全由固態繼電器作為分接開關執行機構，由單片機控制的有載自動調壓的變壓器分接開關。該開關完全取消了機械傳動機構，由單片機根據變壓器二次側電壓的高低，決定與變壓器各分接頭聯接的固態繼電器的工作狀態。調節速度快，改變分接頭時不需過渡電阻，沖擊電流小，可頻繁操作；無電弧產生，可以直接放在變壓器油箱中；結構簡單，造價低，便於在配電變壓器中推廣使用。
  10. It is a very high advancement to the development from two - pressure arc - quenching chamber and single - pressure arc - quenching chamber to the self - energy arc - quenching chamber now for arc - quenching theory of sf6 cb make use of the arc blocking effect, namely arc - self - energy, to increase sf6 gas pressure in the arc - quenching chamber and get the efficient blasting effect to extinguish the arc when the arc current is zero

    Sf _ 6斷路器從雙壓式、單壓式發展到如今的自能式是斷路器滅弧原理的一個重大飛躍。自能式sf _ 6斷路器利用電弧阻塞效應即利用電弧本身的能量使滅弧室內sf _ 6氣體的壓力升高，在電弧過零時產生有效的氣吹而熄滅電弧。
  11. Dry, solid insulating materials - resistance test to high - voltage, low - current arc discharges

    乾性固體絕緣材料.高電壓低電流電弧狀放電電阻試驗
  12. Testing of electrical insulating materials ; low voltage ; high current arc resisting test

    電氣絕緣材料檢驗.低壓.耐高電流電弧檢驗
  13. Dry, solid insulating materials - resistance test to high - voltage, low current arc discharges

    乾燥實心絕緣材料.耐高壓低電流電弧放電的試驗
  14. Dry, solid insulating materials - resistance test to high - voltage, low - current arc discharges iec 61621 : 1997 ; german version en 61621 : 1997

    乾燥的固體絕緣材料.耐高壓低電流電弧放電的電阻試驗
  15. Yttrium tungsten is primarily used in military and aviation industry with narrow arc beam, high compressing strength, highest welding penetration at medium and high current

    在焊接時，弧束細長，壓縮程度大，在中大電流時其熔深比較大。目前主要應用於軍事工業和航空航天工業。
  16. Dry, solid insulating materials. resistance test to high - voltage, low - current arc discharges

    乾性固體絕緣材料.高壓低電流弧光放電阻抗試驗
  17. Stable electric arc can be ensured from undercurrent to high current

    從小電流到大電流都可以保持穩定電弧。
  18. According to the present actual underground power system which neutral point is grounded through arc suppression coil in many supper big shaft, the development history and present situation of synthetic protection system used in hv flameproof switchgear are reviewed, and on the basis of analyzing the problems existed in high voltage flameproof switchgear, the selective leakage protective method based on the detecting harmonic direction of zero sequence current as well as the value of zero sequence voltage is proposed in this paper, and at the same time, harmonics extracting schematic and transforming circuit are also designed

    本文深入系統地研究了基於intel80c196kb單片機控制的6kv防爆開關綜合保護系統，主要內容如下：針對大型及特大型礦井供電系統中性點普遍採用消弧線圈接地方式的現狀，回顧了國內外礦用高壓防爆開關保護系統的發展歷史，分析了目前國內高壓饋電開關保護系統所存在的問題，提出了「基於零序電壓基波啟動，五次諧波功率方向比較」的選擇性漏電保護原理，設計了相應的五次諧波提取電路和功率方向鑒別電路。
  19. Test method for high - voltage, low - current, dry arc resistance of solid electrical insulation

    固體電絕緣的高壓低電流和干電弧電阻試驗方法
  20. The constriction performance of vacuum electric arc at high current levels depends on the contact material and its operational principle. axial magnetic field ( amf ) contacts can prevent the vacuum electric arc from shrinking in the vacuum interrupters

    在大電流水平下真空電弧的收縮特性取決于觸頭的材料和工作原理，在真空滅弧室中縱向磁場（ amf ）觸頭能夠阻止真空電弧收縮。
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