arc of contact 中文意思是什麼

arc of contact 解釋
觸點電弧
  • 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。
  • of : OF ＝Old French 古法語。
  • contact : n 1 接觸；聯系；交涉。2 〈美國〉（有勢力的）熟人；門路。3 【數學】相切；【電學】接觸；觸頭；觸點...
  1. 2 miniaturized vacuum arc quenching chamber which is with cucr25 contact material, cup shape and longitudinal magnetic field contact structure, intensive interrupting ability is used. vacuum arc quenching chamber is laid in a sealed insulating cylinder, which significantly improve the ability of enduring environment and phase - phase insulation character

    2 、設計了採用cucr25觸頭材料、杯狀縱磁場觸頭結構、開斷能力很強的小型化真空滅弧室；真空滅弧室布置在封閉的絕緣筒內，提高了環境耐受能力，同時使相間絕緣性能顯著提高。
  2. The axial magnetic field distribution on center surface of contact gap and contact piece are calculated when the current is at peak. it can be found that the intensity of axial magnetic field and radial magnetic field uniformity are strengthened after the iron core is put into, this helps to improve the stability of the vacuum arc

    計算了電流峰值時觸頭間隙中心平面和觸頭片上的縱向磁場分佈，可以看出加入鐵芯后縱向磁場強度和徑向磁場均勻性增強，這有利於提高真空電弧的穩定性。
  3. 3. the arc erosion of cuw80 / crcu integrated contact is primary forming the thicker shell and th shell flake off. 4

    摘要（ 3 ） cuw8o主要是以產生較厚的以w為主的殼層，然後在電弧的反復作用下，殼層剝落，如此循環，導致觸頭的最終燒損。
  4. When there are rich cu defect in cuw / crcu integrated contact, the arc eroding loss of the contact is first from the spraying of cu, then the w skeleton flake off

    （ 4 ）在觸頭存在富銅缺陷時，燒損首先產生的是噴濺，接下來是鎢骨架的大面積燒損。
  5. After designing oil ditches on the surface of its arc - block, increase friction factor and make sure self - lock which solves above problem. do qualitative analysis to lower pair and one - way overrunning clutch and inner star - wheel - roller overrunning clutch by using self - made lever loader. the experiment shows : on the same condition, the deformation of new overrunning clutch ’ s surface contact with lower pair is smaller than the deformation of roller overrunning clutch ’ s line contact with higher pair and new overrunning clutch ’ s skid angle is smaller

    對低副單向超越離合器的部件進行了加工製造，在超越離合器弧塊表面創新設計加工排油溝，增大摩擦系數，保證實現自鎖，解決了很多離合器工作過程中容易出現無法自鎖的問題;對低副單向超越離合器和內星輪滾柱超越離合器用自製杠桿加載器做了定性分析，實驗表明:相同條件下，新型離合器低副面接觸比滾柱離合器高副線接觸變形小、溜滑角小。
  6. Failure mechanism of silver - based contact material under electric arc

    銀基觸頭材料電弧作用下的失效及其機理
  7. The switch is not only when switching over with production of electric arc, mechanical contact head easy to be damaged, but also it is slow to regulate, ca n ' t frequently operate, so limit the range of application of this kind of switch

    這種開關不僅切換時伴有電弧的產生，機械觸頭容易損壞，而且調節速度慢，不能頻繁操作，因此限制了這種開關的應用范圍。
  8. So the development of self - energy sf6 cb is very important. in the paper, the math model of arc - quenching chamber air - pressure character is built on the base of 126kv / 31. 5ka self - energy sf6 cb ' s exploiting, then the theory analysis and calculation is deeply been done for cylinder radius, nozzle spout radius and opening position of moved contact that they have the essential effect for the use of arc energy in the course of opening. arc - quenching chamber parameter is confirmed according to the request of full opening and fault opening when the cb is opening

    本文針對126kv31 . 5ka自能式sf _ 6斷路器的研製，建立了相應的滅弧室氣壓特性數學模型，對自能式sf _ 6斷路器開斷過程中電弧能量利用有重要影響的滅弧室缸徑、噴口直徑、動觸桿開口位置進行了詳細深入的理論分析和計算，並根據斷路器開斷中的滿容量開斷和近區故障開斷的要求確定了滅弧室參數。
  9. Abstract : owing to the defects in high cost and short life of the copper contact shoes on electric arc furnace, it was redesigned and replaced with graphite contact shoes. by using it to a 6. 3mva electric arc furnace, result shows that the operating life is longer and the furnace hot ? down time is decreased obviously. operating cost reduced greately

    文摘:針對電爐銅頭電瓦成本高、壽命短的缺陷，對其重新設計改造，以石墨導電瓦代替銅頭導電瓦，並應用在6 . 3mva電爐上，結果其使用壽命長，爐子熱停次數顯著減少，生產成本大幅度降低。
  10. The load assignment formula and the method of the double circular arc gear under the wiring error influence between the contact mark was introduced and inferred

    摘要介紹並推導雙圓弧齒輪在安裝誤差影響下接觸跡間載荷分配的計算公式和方法。
  11. Vibration - resisting electricity contact pressure meter is used for occasion by environment quake vibration excle in pulsaling lash by medium - resistant and suddenly unload ; usually it is make use of form a complete set by relevant eletric device ( such as relay and contact appliance and so on ). so realized attain auto - control post a letter ( give an alarm ) for pressure system by survey. compare with ordinary for a special model electricity contact pressure meter, zhe indicator ' s function by survey pressure more stabilize, more accurate, and powerful of resist eletric arc, and it is use for even more long life

    耐振電接點壓力表，適用於環境劇烈振動場合，可耐介質的高強脈動沖擊及突然卸荷；通常該儀表經與相應的電氣器件（如繼電器及接觸器等）配套使用，即可對被測（控）壓力系統實現自動控制發信（報警）的目的，與普通專用型電接點壓力表相比，指針測壓性能更穩、準，且抗電弧強大，使用壽命更長。
  12. The arc erosion of ag - lanio3 - electric contact materials in dc condition

    電接觸材料的直流電弧特性研究
  13. The bending stress and the contact stress of the circular arc gear and involute gear are also analyzed and compared. secondly, according to design and manufacture characteristic of the micro - gear, the direct design method called “ deviation function ” is proposed

    第二，根據微型齒輪傳動設計與製造的特點，提出了一種設計微型齒輪輪齒齒廓曲線的方法，即偏差函數法設計齒輪齒廓。
  14. Arc of contact

    接觸弧?車
  15. Based on the comprehensive study on contact erosion and massive tests, it is found that the erosion of cb contacts is dominantly depend on the arcing time and breaking current. this paper analyses the mechanism of electrical arc of vacuum circuit breaker and discusses the primary factores. then this paper put forwardes a way to prognosticates the life exepctancy of electrical endurance of vacuum circuit breaker base on the power of arc

    本文分析了真空斷路器的燃弧機理，探討了影響真空斷路器電壽命的主要因素，指出了原先以開斷電流作為預測真空斷路器電壽命的方法的不足，提出了改進的以燃弧能量為主要指標的預測方法。
  16. The curvature radius was derivated and the contact stress of the three - arc - sect isometric type surface was calculated through the elastic dynamics theory

    應用彈性力學理論，推導出接觸點的曲率半徑，對三弧段等距型面聯接進行接觸應力計算。
  17. At present, the arc contacts in sfe switches is formed by the excellent property of electrical arc resistance of cu w alloy and the eminent conductivity together with high elasticity of crcu alloy, so - called cuw / crcu integrated contact

    目前在sf _ 6斷路器中普遍使用的觸頭材料一般由耐電弧燒損的cuw部分和提供彈性和導電性的crcu部分組成，即cuw crcu整體觸頭。
  18. Approach arc of contact

    進入嚙合弧長度
  19. The automatic product n of the double circular arc gear contact computation finite element model was realized used the corresponding computational procedure established by finite element software ansys in to inlay the language

    採用有限元軟體ansys的內嵌語言編制相應的計算程序，實現雙圓弧齒輪接觸計算有限元模型的自動生成。
  20. Adopting the short circuit electric current of to formate the test prove that this contact turn on and cut off performance. according to ablation situation of contact surface after testing, have analysed that coil type double - pole amf influences electric arc

    採用短路電流合成試驗驗證了這種觸頭的開斷性能，根據實驗后觸頭表面的燒蝕情況，分析了線圈式兩極縱向磁場在大電流時對電弧特性的影響。
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