無電流 的英文怎麼說

中文拼音 [wúdiànliú]
無電流 英文
failure of current
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 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...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. Dynamo effect in no convection regions of the celestial bodies

    無對流區天體中的發電機效應
  2. The radio flux is extremely variable, exhibiting erratic outbursts.

    射電流量變化極大，顯示出無規則爆發。
  3. The sensor used unbalanced principle of alternating electric field around feed cable to detect the state of electric field of cable core over the ground, thereby got out the result that the feed state of cable in mine had no relation to the current in the cable

    該傳感器利用饋電電纜周圍交替電場的不平衡原理檢測電纜芯線對地的電場狀態，從而間接檢測出礦井電纜的饋電狀態與電纜是否有電流無關。
  4. The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network

    它具有體積小、重量輕；無鐵芯、不存在磁飽和與鐵磁諧振問題；動態響應范圍大，頻率響應寬；抗電磁干擾性能強；無油化結構、絕緣可靠、價格低等優點；是未來電流互感器發展的方向，是新一代電力數字網發展的需要，適應電力計量和保護數字化、微機化和自動化發展的潮流。
  5. In order to eliminate the influence of the output filter capacitor current on the grid current, a novel control strategy for the grid - connected inverter in grid - tied and off - grid modes is proposed. the control strategy can also realize seamless transfer between grid - tied and off - gird modes. the grid - connected inverter can supply power to the critical load when the grid is off

    本文針對傳統並網控制策略進網電流受輸出濾波電容電流影響的問題，提出了一種新的並網控制策略，該控制策略能基本消除輸出濾波電容對進網電流的影響，實現獨立與並網兩模式之間的無縫切換，對關鍵負載起不間斷供電的作用。
  6. Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located

    首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式：然後利用疊加原理，選擇合適坐標系，求解了導體球中時諧電流元的修正磁矢量位邊值問題，得到了問題的解析解；最後依據不同坐標系下電磁場解的轉化原理，藉助勒讓德多項式和n次1階球諧函數的加法公式，將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解，給出了球內電場和球外磁場的並矢格林函數。
  7. An arbitrary shaped line current on a horizontal plane is divided into many small line segments and approximated by hertzian diploes, then both the near and far em - field of the line curennt is approximated by the summation of the complete near and far fields of hertz dipoles

    水平面上任意形狀線電流分割為許多小段之電流，每一小段之電流近似為赫芝偶極，則在三度空間任意座標平面上無論遠近之電磁場即可以赫芝偶極之遠近完整電磁場加總合成近似之。
  8. This high frequency alternating current produces the high frequency radio waves mentioned in the previous chapter.

    這種高頻交流電流產生前一章提到過的高頻無線電波。
  9. Can technology traits are analyzed, and can technology is applied on the power factor dynamic compensation system. on the basis of analyzing thoroughly the theories and techniques, software module of power factor dynamic compensation system are classed and their time - period is analyzed. the techniques of real time sampling idle current and generating compensation current are simulated with software

    在分析電網的頻率特性和功率因素動態補償系統的性能特點基礎上，對功率因素動態補償系統的軟體功能模塊進行了層次劃分和時序特點分析；對無功電流實時檢測、無功補償電流的產生等技術實現了軟體的模擬。
  10. Appling closed loop control strategy in the power factor dynamic compensation system. then the key techniques, for example, the fashion of real time sampling idle current and the fashion of compensation capacitor connected with, the time when the compensation capacitor are thrown up, are researched

    針對本系統的應用對象，確定了本系統中所應用的無功電流實時檢測理論和方式、補償電容器接線和分組方式、補償電容器投入時刻的選擇等關鍵技術；並對can技術應用於功率因素動態補償系統進行了研究。
  11. Intelligent electricity quantity concentration display instrument is a kind of intelligent instrument used to measure combined parameter of ac electricity quantity, which can simultaneously measure each phase electricity parameter in the tri - phase ac loop such as voltage, current, active power, reactive power, apparent power, power factor, frequency, active kilowatt hour, reactive kilovolt ampere - hour and so on

    智能電量集中顯示儀是一種用於交流電量綜合參數測量的智能儀表，它可以同時測量三相交流迴路的每一相電壓電流有功功率無功功率視在功率功率因數頻率有功電度無功電度等參數。
  12. Design of passive counter for monitoring leakage current of insulators

    無源型絕緣子漏電流監測計數器的設計
  13. The high - power semiconductor quantum well ( qw ) laser is a kind of luminescence device with superior performance, it has longe - lived, low threshold current density, high efficiency, high luminosity and excellent monochromatic, coherence, directionality, etc. the high - power semiconductor laser is widely applied to the fields, such as military, industrial machining, communication, information processing, medical treatment, etc. the material ' s epitaxy is the foundation of the whole laser ' s fabricating, and it has important influence on the optics and electricity performance about the laser

    大功率半導體量子阱激光器是一種性能優越的發光器件，具有壽命長、閾值電流密度低、效率高、亮度高以及良好的單色性、相干性、方向性等特點，廣泛應用於軍事、工業加工、通信及信息處理、醫療保健等領域。材料的外延生長是整個激光器器件製作的基礎，對器件的光學和電學性能有著重要的影響，生長不出優質的材料體系，獲得高性能的器件就無從談起，因此，材料的外延生長便成為了整個半導體激光器製作過程之中的重中之重。
  14. In general, there is a measurable difference in potential between the two electrodes whether the cell is passing a current or not.

    通常，無論電池有無電流流過，兩電極之間均具有可測量的電勢差。
  15. The directly application of superconductor is great electric current with nonresistant transmition and the uniquely application is the superconducting electronics which is based on josephson effect

    超導體最直接的應用是無電阻傳輸大電流，最神奇的部分則是以約瑟夫森效應為基礎的超導電子學技術。
  16. Watthour meters in moulded insulation case without instrument transformers, up to 60 a rated maximum current ; principal dimensions for meter terminal cover for poly - phase meters

    安裝在最大額定電流可達60 a的無儀表變壓器模壓絕
  17. Watthour meters in moulded insulation case without instrument transformers, up to 60 a rated maximum current ; principal dimensions for meter terminal cover for single - phase meters

    安裝在最大額定電流可達60 a的無儀表變壓器模壓絕
  18. Furthermore, the existing theory can ’ t explain the photocurrent gain, so the i - v characteristics under illumination are the keystone of the research work

    並且現有理論無法解釋光增益現象，因此穩態光照下電流隨偏壓變化的關系成為本文研究的重點之一。
  19. Current control by a pw modulated switching rectifier instead of a current sensor

    無電流傳感器的電流控制調寬式開關整流器
  20. On the basis of improvement of a simple but effective three - level svpwm algorithm, a simple neutral point balancing and narrow pulse elimination algorithm without current sensor is proposed. and dead time is compensated in the algorithm also

    本文在對一種簡潔高效的三電子svpwm演算法改進的基礎上，提出一種無電流傳感器的中點電位控制和窄脈沖消除方法，同時進行了死區的補償。
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