空載線 的英文怎麼說

中文拼音 [kōngzǎixiàn]
空載線 英文
dead main
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 載 : 載Ⅰ名詞（年） year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 空載 : carrying idler; idler; idling; no live load; empty load; no load; non load; weight empty空載變速 ...
  1. Consequently, on the basis of non - winkler foundation model, a finite - element method that utilizes foundation flexibility matrix into iterative calculation is proposed in this paper originated from the item " the optimal design theory and research of pile capping beam " sponsored by natural science fund of hunan province, which the continuity of soil mass can be accounted for under various boundary conditions, different loadings and irregular beam characters

    本文結合湖南省自然科學基金項目「樁基承臺梁優化設計理論與方法研究」 ，針對非文克爾地基（半空間、線性變形層或單向壓縮層地基模型等）上的樁基承臺梁，提出一種利用地基柔度矩陣來進行迭代的有限單元法，可充分考慮梁下土體的連續性，並對基礎與土體脫開、承臺梁截面變化、梁體邊界條件復雜、上部荷載類型變化以及梁下基樁承載力差異等情況進行分析計算。
  2. For the circuit - breakers of rated voltage 252kv up, the synthetic test methods are introduced according now condition because of the limitation of the transformer short - circuit capacity. the correlative prescribes on switching line - charging current in gb / t1984 - 200x " alternating - current high - voltage circuit - breaker " are discussed according to the test results and theoretic analysis

    由於開合空載架空線路試驗對電源側的阻抗有明確的規定，這就要求試驗電源必須具有足夠大的短路容量，實驗室很難滿足要求，因此，一般對較高電壓等級的斷路器採用合成試驗方法，本文介紹了利用現有條件，對252kv以上電壓等級的斷路器採用合成試驗時的試驗線路。
  3. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。
  4. Dld clutches are singledisc clutches for dry operation, without sliping the coil not rotating. high transmitting torque, quick response and no drag torque

    Dld系列系無滑環乾式、通電型工作的單片電磁離合器，線圈不旋轉，一個摩擦副，結構緊湊，傳遞力矩大，響應迅速，無空載損耗。
  5. Dld2 clutches are singledisc clutches for dry operation, without sliping the coil not rotating. high transmitting torque, quick response and no drag torque

    Dld2系列系無滑環乾式，通電型工作的單片電磁離合器，線圈不旋轉，一個摩擦付，結構緊湊，傳遞力矩大，響應迅速，無空載損耗。
  6. Three phase dry type power transformer, which make it with those features : safety, reliability, and energy saving, fireproof, flameproof, simple maintenance etc., the design is advanced ; the structure of products is reasonable and the outline is fine, the main performances of the products are much better than the national standards, for example, partial discharge level no - load loss, on - load loss, noise level, it is adaptable for application on heavy humidity and severely pollute places which are near to lake, sea and rive, as well as, high demand - fireproof, heavy load capacity place, such as : high building, airport, station, port, underground, hospital, electrical power station, metallurgy, shopping center, residential area and petroleum chemical industry, nuclear power station, nuclear - powered submarine

    非包封線圈三相干式變壓器，具有安全可靠節能防火防爆維護簡單等優點。其設計先進結構合理外形美觀。主要性能指標均優于國內標準，如局放水平空載損耗負載損耗噪聲以及能適應高溫度環境使用等，可安裝在靠近湖海河邊污穢潮濕的環境及防火要求高負荷較大的地區，適用於高層建築機場車站碼頭地鐵醫院電廠冶金行業購物中心居民密集區以及石油化工核電站核潛艇等場所。
  7. Secondly, calculation theory of construction for suspension bridge is presented under the ideal condition of dead load design. linetype change stiffness of cable and slip stiffness of supporting points are deduced based on segmental catenary theory. then numerical analysis method through sgkz2000 software are introduced in detail about calculating design linetype for suspension bridge, unstressed length of cable, erection linetype of cable and pre - displacement of saddle without loads, erection linetype of wire strands, the fixed position for erecting cable band and linetype of lifting stiffening girders

    其次，根據懸索橋恆載設計理想狀態建立了懸索橋施工計算原理；以分段懸鏈線索理論為基礎，推導了懸索的線形變化剛度和懸索支點的滑移剛度；介紹了懸索橋成橋設計線形計算、吊索無應力長度計算、空纜線形與預偏量計算、絲股架設線形計算、索夾安裝位置計算和加勁梁吊裝線形計算的具體方法、數值演算法及軟體sgkz2000的計算模塊的實現。
  8. As the step - down transformer has no load when the scr is turned off, the system is stable during switching. less transformers, small area the device occupies, the relative simplicity of connection are the other advantages

    這種補償方案由於在晶閘管關斷時降壓變壓器相當于空載，不存在暫態過程的不穩定問題；所用的變壓器數目少；佔地面積較少；接線相對較簡單。
  9. Application of high - voltage explosion fuses is very abroad. in addition to protecting the electrical equipment by melting itself, disjunction or close of its tube can also be manipulated by a high - voltage insulative stick under some circumstance, for example, to switch on or off no - load overhead transmission line, no - load transformer and little burden current

    跌落式高壓熔斷器的應用極為廣泛，不僅能保護電氣裝置，在一定條件下還能直接用高壓絕緣鉤棒來操作熔管的分合，以斷開和接通空載的架空線路、小容量空載變壓器和小負荷電流。
  10. The paper formulates the dynamic analyses of hydraulic operating mechanism in large space, established mathematical model, presents methods of differential equation system, and corrects its parameters concerned in process of solution. after the unloaded characteristics calculation and test under real condition are developed for type lw - 252 breaker equipped with hydraulic operating mechanism, the time - displacement cures and the velocity - displacement cures are obtained

    本文對液壓機構的速度分析，用了大量的篇幅，建立了數學模型，給出了其方程組的求解方法，並對求解過程中所涉及的系數給予修正，在此基礎上對本課題研製的配液壓機構lw - 252斷路器進行了實際條件下的空載特性計算及實驗研究，獲得了斷路器的時間? ?位移曲線和速度? ?位移曲線。
  11. It makes finite element analysis for no - load motor, full - load motor and armature magnetic field singly acting motor, and it gets distributing map of magnetic field and static characteristics curve as different rotor angle and different armature current in a permanent magnet circle for the motor, it analyzes and explains influences of armature magnetic field on the inductance characteristics of windings

    分別對電機空載、負載以及電樞磁場單獨作用3種情況下進行了有限元分析，得出在1個永磁磁鏈周期內不同轉子位置角和不同電樞電流作用下的磁場分布圖以及靜態參數特性曲線。
  12. When switching the no - load overhead lines by alternating - current high - voltage circuit breaker which is a kind of daily operations in electric power system, over - voltage is probably bringed out and insulating property of the electric devices is breakdowned sometimes, especially, when occuring re - strike. the main purposes that the tests on switching line - charging current are performed in the laboratory are assessing re - strike performance of circuit - breakers. according to the test results, the design of the circuit - breaker is optimized and re - strike performance is improved

    交流高壓斷路器是電力系統中最關鍵最重要的設備之一，斷路器開合空載架空線路是電力系統中常見的操作，操作過程中通常會出現過電壓，對系統絕緣造成威脅，嚴重時會破壞系統的絕緣性能，發生事故，隨著電力系統電壓等級的提高、輸電線路不斷延長及傳輸容量的增大，由操作過電壓引起的絕緣閃絡、設備破壞事故的幾率更加突出。
  13. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行特性及其最佳風能利用原理，通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性，並給出了模擬系統的硬體結構；然後為了實現交流勵磁發電機有功、無功功率獨立調節機理，分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略；針對雙饋發電機轉子能量雙向流動的要求，提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器；最後為實現從理論到實踐的全面研究，研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統，進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗；所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。
  14. The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right

    通過對同步發電機各種運行曲線的計算，在已有文獻的基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行特性和參數的影響；求出了空載特性曲線和零功率負載特性曲線，在不同的電樞電流下計算得到的波梯電抗不同；求出了功角特性曲線，與不計飽和時的功角特性曲線相比較，功角穩定極限小於90 ；求出無功調節曲線，與不計飽和時相比較， u型曲線向右偏移。
  15. Specifications : power input : standard 220vac, 50hz power output : standard 12vdc, 5a control electric locks or bolts directly. reduce the load of access controller lower potential trouble nc no output, control all kinds of electric locks delay control circuit unlock delay time in 0 10s auto protection dimension : 180x77x77mm weight : 1540g

    功能特性：交流輸入：標準220vac ， 50hz直流輸出：空載輸出14vdc ，負載輸出12vdc ，標準輸出電流： 5a直接控制電鎖：可減小門禁控制器的負荷，節省工程布線，減少故障隱患。
  16. In conclusion, when the current of the winding is increased, the tendency of the end effect - thrust is unchangeable, the no - load end effect is the main part of the pm linear motor ' s end effect

    從以上的分析和計算得出，隨繞組電流幅值的增加，端部效應影響電機推力的波動趨勢不變，空載端部效應是永磁直線電機端部效應的主要部分。
  17. In this dissertation, firstly, characteristics of no - load overhead line and processes of switching no - load overhead line by circuit - breakers are analyzed, then, transient recovery voltage across circuit - breaker are calculated emphatically and the factors of affecting transient recovery voltage are analyzed

    這就要求斷路器具有良好的開合空載架空線路的能力。實驗室進行開合線路充電電流試驗是考核斷路器開合空載架空線路性能的重要手段，通過試驗可以優化斷路器的設計、提高斷路器開合空載架空線路性能。
  18. Repetitive control is used to reduce voltage distortion under abrupt load variation or nonlinear loads and attain good quality of the voltage waveform ; current loop is designed to quicken the dynamic response and strengthen the ability of the inverter control

    重復控制可以抑制逆變電源在負載變化嚴重（空載加到滿載）或者非線性負載條件下的輸出電壓畸變，保證輸出波形的質量；電流環用以改善輸出波形的動態響應特性，提高逆變控制的能力。
  19. Function : power input : standard 220vac, 50hz ; power output : no load 12. 4 - 13. 63vdc, with load dc12v 13v standard current output : 10a moment current output : 10a control electric locks or bolts directly, reduce the load of access controller save project lines lower potential trouble have output nc no, control all kinds of electric locks has delay control circuit, unlock delay in 0 - 10s use exit button, press to 0pen the electric lock directly auto self - protection function : when short circle and other unexpected situation happen, the power supply can melt the fuse to protect itself

    功能特性：交流輸入：標準ac220v 50hz直流輸出：空載輸出dc12 . 4v 13 . 63v負載輸出dc12v 13v標準輸出電流10a瞬間輸出電流10a直接控制電鎖：可減小門禁控制器的負荷，節省工程布線，減少故障隱患。設nc no輸出，可控制各種類型的電鎖。設延時控制電路，開鎖時間可在0 10秒。
  20. Function : power input : standard 220vac, 50hz ; power output : no load 12. 4 - 13. 63vdc, with load dc12v 13v standard current output : 2. 5a moment current output : 2. 5a control electric locks or bolts directly, reduce the load of access controller save project lines lower potential trouble have output nc no, control all kinds of electric locks has delay control circuit, unlock delay in 0 - 10s use exit button, press to 0pen the electric lock directly auto self - protection function : when short circle and other unexpected situation happen, the power supply can melt the fuse to protect itself

    功能特性：交流輸入：標準ac220v 50hz直流輸出：空載輸出dc12 . 4v 13 . 63v負載輸出dc12v 13v標準輸出電流2 . 5a瞬間輸出電流2 . 5a直接控制電鎖：可減小門禁控制器的負荷，節省工程布線，減少故障隱患。設nc no輸出，可控制各種類型的電鎖。設延時控制電路，開鎖時間可在0 10秒。
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