絕緣子放電 的英文怎麼說

中文拼音 [juéyuánzifàngdiàn]
絕緣子放電 英文
insulator arc-over
  • 絕 : Ⅰ動詞（斷絕） cut off; sever Ⅱ形容詞1 （完全沒有了; 窮盡; 凈盡） exhausted; used up; finished 2 ...
  • 緣 : Ⅰ名詞1 （緣故） reason 2 （緣分） predestined relationship 3 （邊） edge; fringe; brink Ⅱ動詞（攀...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 放 : releaseset freelet go
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 絕緣 : 1 [電學] （隔斷電流） insulation; isolation; insulate; isolate 2 （跟外界不發生接觸） be cut off ...
  • 放電 : [物理學] （electric） discharge; electro-discharge; discharging
  1. The relative air density decreases with the increasing of altitude. therefore, the discharge performance of air - gap and insulator string at high altitude regions is different from that of the referring standard conditions

    高海拔地區相對空氣密度較低，絕緣子和空氣間隙的放電特性與低海拔地區有很大的差異。
  2. Electrical field stress at the icicle tips is even stronger. at these areas, if the electric field across air gaps is high enough, corona discharges are initiated. this can lead to the development of local arcs across the air gaps causing a substantial increase in leakage current and a concomitant melting of ice

    空氣間隙的存在使覆冰絕緣子表面的電場分佈發生了明顯畸變，間隙上承受了非常高的電壓，這使得冰凌尖端的電場變得相當強，一旦電場達到了電暈的起始電場，局部放電就在這一區域發生，進而產生局部電弧並逐漸發展成整串的閃絡，泄漏電流迅速增大，同時伴隨著冰的融化。
  3. 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。
  4. The characteristics : the unit is composed of high voltage parallel capacitor, serial reactor, switch ( disconnector, grounding switch, breaker etc. ), lightning arrestor, fuse, discharging coil, current transformer, insulator, busbar and steel bracket, includes two kinds of structure : frame type and cabinet type

    產品特點：裝置由高壓並聯電容器、串聯電抗器、開關（隔離開關、接地開關、斷路器等） 、避雷器、熔斷器、放電線圈、電流互感器、絕緣子、母排和鋼架組成，裝置有框架和櫃式兩種結構。
  5. Placing a thin layer of insulation between the silicon surface and the transistors protects the transistors from " electrical effects, " leading to higher performance and lower power consumption

    在硅表面之間放上很薄的一層絕緣體，可以防止晶體管的「電子效應」 ，這樣可以實現更高的性能和更低的功耗。
  6. The experimental results show that the surface charging is related with the pre - flashover events, the pre - flashover events can bring the change of surface charge distribution. these may be attributed to the micro - discharge caused by the traps in insulator. the charge carriers can be captured by traps, a space electric field will be set up by the trap centers, and the combined electric field may exceed the breakdown electric field of local area, then the micro - discharge will be initiated

    分析表明，反向預閃絡現象與材料的陷阱分佈有關，試樣中電極附近的陷阱中心俘獲載流子后所形成的空間電場的作用是產生這一現象的原因；預閃絡現象和表面帶電現象都是由於絕緣子表面陷阱中心俘獲載流子形成空間電場造成局部場強過強引發的局部放電形成的。
  7. The surface semi - conducting layer is widely used to control the electric field and suppress the surface corona discharge in both hv power cable termination and the end turns of hv generator stator winding

    摘要表面半導電層結構可以均勻電場和抑製表面電暈放電，因此被廣泛應用於高壓電力電纜接頭和高壓發電機定子線圈端部絕緣中。
  8. In this paper, the multifactors - electrical, thermal, cool and thermal circulation of accelerating ageing experiment based on the stator bar of 220mw turbine generator has been conducted in the laboratory. the results of the experiment show that there has not fixed rule between maximum pd quantity and insulation, but the increasing of maximum pd grads increase along with ageing time of insulation

    本論文通過對220mw的汽輪發電機真機線棒進行電、熱、冷熱循環等多因子老化試驗，發現局部放電的最大放電量與絕緣老化時間之間沒有固定的規律可尋，而最大放電量的梯度隨絕緣老化時間的增大而增大。
  9. Mbly of the ministry of mechanism, a member of transformer branch association of china electrical appi - l iance industry association, it s one of the all complete producers of transformer oil pump, oil flow ndicator,

    泵油流繼電器bct端子盒ct接線板絕緣端子絕緣墊塊油位計變壓器風扇蝶閥壓力釋放閥
  10. So, based on the important project, the discharge performance of short rod - plane air gaps and short insulator strings has been researched in this dissertation, which there is not only very important value of engineering application but also very important value of learning

    因此，結合西部大開發的重點工程建設需要，論文選擇海拔4000m以上大氣條件下空氣間隙和絕緣子放電特性作為研究課題，具有重要的工程應用價值和學術意義。
  11. In order to improve the circuit ' s input impedance, which is affected by insulating resistance of electrode leading wire, terminals and printed circuit board, electrode is connected to the meter through insulating wire of high impedance which is directly welded in the printed circuit board with insulating ring. the deviation of electrode is corrected by software and the algorithm is given

    使用高阻絕緣線連接電極，並將高阻絕緣線直接焊在加有絕緣環的印刷線路板上，從而消除電極引線、接線端子和印刷線路板漏電對放大電路輸入阻抗的影響；軟體校正電極偏差，並給出校準演算法。
  12. This phenomenon indicates that there is closed relationship between the development of local arc, the flashover of the insulators and the discharge activity initiated at the icicle tips

    這說明，覆冰絕緣子的起始放電和局部電弧的發展乃至整串的閃絡與發生在冰柱尖端的起始放電活動有非常密切的關系。
  13. So there is important implication value and academic value to systemic investigation of the effect of the existence of air gap to the flashover voltage along the ice - covered insulators

    因此，深入、系統的研究空氣間隙中的放電活動對絕緣子串閃絡電壓的影響有著重要的工程應用價值和學術意義。
  14. It can also determine the fault spot and reason. this technology has been used in some technological fields and proved efficient. it has promoted the revolution of maintance system and the historial protection is replaced by preventive maintenance. with this technology, we can improve the reliability of machine and decrease the maintance fee. recently, reserch has pick up a fervent pace in the area of fault diagnosis of electrical machines. the paper simply analyzes the fault reason of electrical machines, stressly describes and explores the methods of condition monitoring and fault diagnosis such as partial discharge, stator current, rotating speed, vibration etc. fault prognosis is now include diagnostic feature, reason, spot. prodigious improvement in signal processing hardware and software has made this possible. primarily, these techniques depend on locating specific harmonic components of the fault. these harmonic components are usually diffirent for diffirent types of faults. automated tools such as fuzzy logic based system is also simply presented in the paper

    本文從絕緣結構的故障機理入手，以絕緣結構故障的典型特徵? ?局部放電為研究對象，重點討論局部放電的在線監測方法、適用場合併比較它們的優缺點；在分析籠型異步電機轉子斷條在線監測的定子電流監測方法后，根據其缺陷，本文探討了溫升不平衡法、希爾伯特變換數字濾波、小波包分析法的原理及優點；以電機軸承、氣隙偏心等故障為研究對象，通過對電機振動和轉速頻率的檢測，診斷電機的故障類型；本文的重點工作是將人工智慧技術中的模糊技術應用於電機的狀態監測和故障診斷中，力求使電機故障診斷更接近人工智慧化；最後，本文對電機狀態監測和故障診斷系統進行了硬體和軟體初步設計，為實現預測維修提供了有效的技術手段。
  15. The study works and conclusion of the dissertation is followed as : the discharge voltage of short rod - plane air gaps and short insulator strings will also decrease with the altitude increasing or atmospheric pressure decreasing, but the decreasing trend is relative to the scale of altitude, the decreasing speed of discharge voltage is slower in the high altitude region

    論文的研究工作和成果主要有： 「棒板」典型間隙和絕緣子短串的放電電壓均隨海拔的升高而降低，且其降低的趨勢與海拔高度的范圍有關，海拔越高降低的速度越緩慢。氣壓的變化反映了海拔高度的變化及其相應海拔下空氣溫度、濕度和相對密度的變化。
  16. The change of atmospheric pressure reflect the change of the altitude and the change of the temperature 、 humidity and relative air density in the different altitude region, so the atmospheric pressure is able to be use for the characteristic parameter of token the effect of the altitude on external

    氣壓可作為表徵海拔高度對外絕緣放電電壓影響的特徵參數；高海拔地區空氣間隙和絕緣子串的放電電壓u均可表示為相應海拔下氣壓的冪函數，即u = u0 （ p / p0 ） n ，其中氣壓對放電電壓影響的特徵指數n與電壓類型和放電間隙的結構類型以及絕緣子類型等有關。
  17. This master degree thesis, based on the observing of developing actuality of on - site electrical apparatus monitoring technology, aims at overcoming the problems existing in former on - site monitoring system, such as unable to realize multiple channels sampling and hold, unable to carry out multiple channel programmable magnification, unable to monitor frequency, low pick up bits, external rom low speed data saving, inefficient data query method, inflexible debugging and installation, low precision etc. by introducing eda ( electrical design automation ) technology, we put forward a creative circuit design scheme, which can considerable updated the on - site monitor system

    本文根據電氣設備絕緣在線監測技術的發展現狀，針對以往在線監測數據採集系統存在的集成度低，不能實現多通路并行采樣，不能實現多通道同時程式控制放大，不能進行同步頻率監測，采樣位數較低，採用外部存儲器方式，對數據進行查詢的訪問方式，安裝調試不靈活等缺點，提出了應用現代微電子技術電子設計自動化（ eda ）技術實現對在線監測數據採集系統的改進。
  18. Secondly, we present the set of nonlinear partial differential equations that describes the wave - particle interaction, by analyzing the output power spectrum, the limit cycle and chaotic oscillation of the radiation field in the traveling wave tube ( twt ) amplifier and the magnetically insulated transmission line oscillator ( milo ) are studied numerically, respectively

    接著，在論文的第三章和第四章我們從導出了一組用於描述場和電子相互作用的非線性偏微分耦合方程組開始，利用頻譜分析法，以行波管（ twt ）放大器和磁絕緣傳輸線振蕩器（ milo ）為例，數值研究了o型器件和m型器件中場的極限環振蕩和混沌行為。
  19. As an instance of this software when applied to monitor a certain power equipment, a subsystem used to monitor partial discharge ( pd ) of generator was developed based on this software, which can analyse, process, plot two - dimension and three - dimension statistic, calculate 48 statistical parameters of two - dimension spectrums such as n - 、 qave - 、 qavn - 和 qmax -, besides, this thesis put forward a criterion for discharge type recognition based on probability distribution, and analysed above parameters " feasibility by this criterion when they were used to identify delamination pd, end winding pd and slot pd

    作為此軟體在具體電力設備絕緣在線監測系統中的應用實例，研製了發電機局放監測子系統，其特點是可分析、處理及顯示二維、三維統計數據，可計算n - 、 qave - 、 qavn -和qmax -二維譜圖的48個統計特徵參數。文中還提出了基於概率分佈的類別可分性判據，並依此判據分析了這些特徵參數用於識別內部放電、端部放電、槽放電三種放電的有效性。
  20. This type of capacitor has an assembling full - sealed structure, and it is comprised of capacitor unit body, contain - er, insulation cooling impregnant, outlet ceramic bushing, pressure - releasing valve and temperature controller etc. the internal insulation cooling impregnant is isolated from external atmosphere so as to avoid aging of impregnant and ingress of moisture

    全密封集合式並聯電容器主要由電容器單元組成的器身波紋油箱絕緣冷卻油出線套管支持絕緣子壓力釋放閥及溫度控制器等部件構成。採用波紋油箱增大散熱面積降低產品溫升。
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