arc voltage 中文意思是什麼

arc voltage 解釋
電弧電壓
  • 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。
  • voltage : n. 【電學】電壓,電壓量,伏特數。 the working voltage (電氣的)耐壓限度。
  1. Voltage reducing devices for ac arc welding machines

    交流電弧焊機的自動降電壓裝置
  2. Insulators string for overhead lines with a nomina voltage above 1000v - ac power arc tests method

    標稱電壓高於1000b架空線路絕緣子串工頻電弧試驗方法
  3. According to the quickly adjustable characteristic of the peterson coil grounding system, this dissertation proposes a new control strategy. when the system is in operation, the strategy can limit the series resonance over - voltage by using the off - resonance method. when fault occurs, the strategy can conveniently suppressing arc by rapidly adjusting the inductance value of the peterson coil to the point, which the resonance with grounding capacitance of the power network is occurred

    依據可控硅控制消弧線圈接地系統的快速可控性,一改傳統的電網正常運行時調節消弧線圈接近於全補償的預調諧方法,提出正常運行時採用脫諧方法抑制串聯諧振過電壓;故障時立即調節消弧線圈電感量達到與對地電容諧振,以利熄弧的新型調節原理和方法。
  4. Wire clipping - ball and high voltage, slow wire sending function developed the arc - starting liability

    焊絲削球和高電壓、緩送絲功能,提高了引弧的可靠性。
  5. 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
  6. Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results

    文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比:電性能相當;波導管結構更加簡單,容易加工,便於安裝.文中給出圓突-矩形波導中主模場,圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣,縫隙電壓相位為同相分佈,輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖,理論與實驗相吻合
  7. The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability , insulation coordination , electromagnetic interference , but assault safety 。 in china , the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network , low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai , beijing , and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas , such as zhuhai , substations grounding with low resistance revealed some problems , including power supply reliability rapidly dropping , transmitting line often tripping ; and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance

    爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析,比較各方式的特點,然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型,在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下,對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算,其計算結果與電科院所作現場試驗進行了比較。
  8. Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical

    通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出:弧根周圍空氣的熱電離導致了電弧的發展,靜電場力對電弧的發展起到了加速作用,電擊穿僅發生在閃絡最終的跳躍階段;通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數,得到了不同階段電弧(電弧起弧階段、電弧發展階段及完全閃絡)的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。
  9. Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead

    通過分析不同焊接規范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點,發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一定的情況下,通過調節焊接迴路中的電感量和電源電壓,可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行,並且熄弧時間最短時,短路過渡頻率最高,在這種情況下,飛濺小,焊道成型好,焊接過程穩定
  10. In addition, electric field distribution of arc - quenching chamber is calculated in adopting anasys software and the largest electric field intention is analyzed under the impulsion voltage and infrequency voltage, then the size of insulation porcelain cover is determined

    採用anasys軟體計算了滅弧室電場分佈,並對沖擊電壓和工頻電壓下的最大電場強度進行了分析,確定了絕緣瓷套的尺寸。
  11. In the research of water arcjet, serious oscillation existed in jet and arc voltage was found and it led to unstable work state of arcjet

    目前對水電弧加熱的研究過程中,發現水電弧加熱發動機羽流和弧電壓存在強烈的脈動,不能穩定工作。
  12. Our research found that, the main reason which led to the oscillation of jet and arc voltage was the oscillation of propellant flowrate. the oscillation of flowrate was caused by the oscillation of water evaporation in pipes

    本文的研究發現導致水電弧加熱發動機羽流和電壓脈動的主要原因為推進劑流量供給的脈動,而供給流量的脈動是由於水在管內汽化的脈動引起的。
  13. The results are compared with old ones. it is clear that arc voltage, thrust, specific impulse, efficiency and stability are all improved remarkably

    結構改進后,發動機的弧電壓、推力、比沖等性能以及各工況下的工作穩定性都得到了顯著改善。
  14. With the increasing of helium content in the mixed gases, the arc voltage increase, and the weld width broaden, especially the weld penetration deepens obviously

    隨著混合氣體中氦氣比例的增加,熔深和熔寬均增加,但熔深增加得更明顯一些。
  15. The paper establishes a mathematic model that describes the relationship between the arc voltage, the recovery voltage and the arc shield voltage. lt makes a detailed theoretic analysis of the plasma changing laws between contacts and the arc shield gap arc in the arcing process and after - arcing recovery process. the model has achieved the same results as the experiment results

    建立了描述真空滅弧室的電弧電壓、恢復電壓與屏蔽罩電壓之間關系的數學模型,從理論上詳細分系了燃弧過程和弧后恢復過程中,真空滅弧室觸頭間隙和觸頭與屏蔽罩間隙電弧等離子體的變化規律,取得了與試驗結果一致的結論。
  16. 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。
  17. This paper has studied the structure of the one - sixth turn axial magnetic field of the cup vacuum interrupter with iron core and distribution of the axial magnetic field. the axial magnetic field reduces loss of radial energy of arc post plasma, and makes the arc voltage reduce

    本文著重研究了帶鐵芯的1 / 6匝杯狀縱磁真空滅弧室的結構以及縱向磁場的分佈,縱向磁場的引入降低了弧柱等離子體徑向能量損失,使電弧電壓降低。
  18. Design of a plasma spray torch of elongating arc and the arc voltage tests on it

    拉長電弧的等離子噴槍設計與弧壓測試
  19. Low arc voltage

    電弧電壓低。
  20. Besides supervising the system, mcu control system takes charge of the display of the current and the arc voltage, the communication with pc and the control of other assistant equipment. the following is the process

    單片機控制系統除了負責系統的總體管理外,在控制上還負責給定參數的的設置和焊接電流、電壓的顯示以及與pc機的通訊和一些輔助設備都是由它來實現協調控制的。
分享友人