磁動勢 的英文怎麼說

中文拼音 [cídòngshì]
磁動勢 英文
[物理學] m. m. f. （magnetomotive force）; magneto-motive potential
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 勢 : 名詞1 （勢力） power; force; influence 2 （一切事物力量表現出來的趨向） momentum; tendency 3 （自...
  1. A ti in an online mind - control forum recommends a web site called “ block emf ” ( as in electromagnetic frequencies ), which advertises a full line of clothing, including aluminum - lined boxer shorts described as a “ sheer, comfortable undergarment you can wear over your regular one to shield yourself from power lines and computer electric fields, and microwave, radar, and tv radiation. ” similarly, a tinfoil hat disguised as a regular baseball cap is “ smart and subtle

    一位受害者在網上的一個大腦控制（精神控制）論壇上推薦了一個網站「阻止電動勢」 （電磁波頻率） ，建議一系列的衣服，包括鋁內襯短褲，如此介紹「的確，你可以穿著舒適的內衣，屏蔽普通電纜和計算機電場、微波、雷達、電視輻射」 ，同樣，一個內藏錫帽的普通棒球帽也是「高明的和精巧的」 。
  2. Ti in an online mind - control forum recommends a web site called “ block emf ” ( as in electromagnetic frequencies ), which advertises a full line of clothing, including aluminum - lined boxer shorts described as a “ sheer, comfortable undergarment you can wear over your regular one to shield yourself from power lines and computer electric fields, and microwave, radar, and tv radiation. ” similarly, a tinfoil hat disguised as a regular baseball cap is “ smart and subtle

    一位受害者在網上的一個大腦控制（精神控制）論壇上推薦了一個網站「阻止電動勢」 （電磁波頻率） ，建議一系列的衣服，包括鋁內襯短褲，如此介紹「的確，你可以穿著舒適的內衣，屏蔽普通電纜和計算機電場、微波、雷達、電視輻射」 ，同樣，一個內藏錫帽的普通棒球帽也是「高明的和精巧的」 。
  3. The common principle is the use of the induction of an electromotive force by the variation of the magnetic flux through a coil.

    一般原理均是使用通過線圈的磁通量變化感應的電動勢。
  4. In the second part, provided that the operating mode of the turbo generator keeps unchanged when the rotor winding appears fault, the magnetic motive force of the field winding will keep unvaried

    通過對發電機磁動勢的分析，得出發電機在故障前後運行工況不發生變化的條件下，勵磁磁動勢將會維持不變的結論。
  5. Therefore, the magnetomotive force in the air gap is essentially proportional to the primary ampereturns squared.

    所以，氣隙中的磁動勢實際上與初級安匝數的平方成正比。
  6. Armature magnetomotive force

    電樞磁動勢
  7. Through cell ammeter and armature magnetomotive force, we qualitativly analyze that harmonic magnetiv field has influence on motor operating performance, it can ensure whether slot coordination suits well or not

    通過槽電流表和槽磁動勢圖定性地分析電機的諧波磁場對電機運行性能的影響，由此確定電機所選槽配合是否合適。
  8. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機，本文提出一種基於六個離散位置信號的自同步svpwm （電壓空間矢量法）控制方法，用以削弱電磁轉矩脈動，分析了實現這種方法的主要控制環節，包括起動時電壓空間矢量的初始定位，阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。
  9. Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles

    對準正弦波反電動勢無刷直流電動機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈動系數、轉矩電流比等方面進行了全面的分析與比較，模擬研究和實驗結果表明，當反電動勢的平頂寬度小於107電角時，採用自同步svpwm控制方法可以在不損失轉矩電流比的基礎上，更有效地抑制電磁轉矩脈動。
  10. For the bldcm which has a general crest width of the back - emf waveform, two kinds of torque ripple conditions when drived by sine - wave current as well as by square - wave current are deduced based on the mathematical models. in addition, a comparison is carried out between these two conditions, which indicates that sinusoidal current driving is more favorable to minimizing the torque ripple when the crest width of the back - emf waveform is less than a certain value

    闡述了抑制齒槽轉矩措施對反電動勢波形的影響，利用無刷直流電機的數學模型推導並比較了任意平頂寬度梯形波反電動勢在正弦波和矩形波兩種電流驅動下的電磁轉矩脈動情況，得出在梯形波平頂寬度減小到一定數值后採用正弦電流驅動更有利於減小電磁轉矩脈動。
  11. It is evident from figure 42 that if a ground network contains loops there is a greater danger of it being vulnerable to emfs induced by external magnetic fields, and of ground current ' escaping " from high current areas to cause noise in sensitive regions

    從圖11 . 42可見，如果存在地線迴路，外界磁場切割地線迴路時容易出現感生電動勢，大電流電路會「四處流竄」 ，影響精密電路。
  12. We also analyzed the interaction among the distribution of the magnetic field around the magnet, the induced electromotive force in the coil and the vibration of the magnet

    對永久磁鐵在空間產生的磁場分佈、感應線圈中的感應電動勢與磁鐵相應振動等因素的相互關系進行了計算分析。
  13. According to result, we use the rectangle - shape pipeline instead of circuit - shape pipeline used commonly to measure the flow

    根據分析結果，在流量計傳感部分採用矩形測量導管來代替傳統的圓形測量導管產生磁感應電動勢。
  14. Such windings make better use of iron and copper and also improve the mmf waveform and smooth out the torque developed by the machine

    這種繞組可以更好地使用鐵和銅，並改善磁動勢的波形以及平滑電機所產生的力矩。
  15. As a consequence, the mmf due to the armature current is along the aixs midway between the two adjacent poles, called the quadrature ( or q ) aixs

    因此，由電樞電流所產生的磁動勢沿著相臨的兩個磁極，並稱為正交軸。
  16. A commutator - brush combination is used as a mechanical rectifier to make the armature terminal voltage unidirectional and also to make the mmf wave due to the armature current fixed in space

    通過使用換流器電刷的組合作為一個機械整流器以使得電樞的端電壓為單方向的同時也使得由電樞電流所產生的磁動勢在空間是固定的。
  17. It is a new - style method of the drive control fed by static transducer in the control of the microcomputer, which makes the stator flux movement discrete. and position and speed outputs can be achieved on the motor axes

    它是在微機的控制下由靜止變頻器供電，使同步電動機定子磁動勢離散運動，在電動機軸上得到位置和速度輸出的一種新型傳動控制方式。
  18. Shorted rotor winding is a usual electric fault of synchronous machines. based on the analysis of fault mechanism especially the magnetic characteristics of tum - to - turn short circuit of rotor windings in turbo generator, the paper studies the diagnose method, which combines the traditional method with the intelligent method, to identify the fault and the severity

    轉子繞組匝間短路是一種常見的發電機電氣故障，本文對其故障機理和磁動勢進行了分析，將傳統的方法和智能化方法相結合，對轉子繞組匝間短路的存在性和故障嚴重性進行了診斷。
  19. Three parts are included as follows : first of all, the basic circuit equation of radial pm generator for autos is given. the effect of reciprocity of pm and winding ' s magnetic force upon winding ' s inductance and current upon magnetic circuit saturation are analysed. according to these, we can obtain optimized design

    首先，從本課題採用的徑向式結構的三相永磁同步發電機的物理模型出發，得出其基本電路方程式，並分析了永磁磁動勢與繞組磁動勢間相對位置的不同而對繞組電感不同的影響，相電流對磁路飽和效應的影響，為車用永磁發電機的優化設計提供了理論依據。
  20. And the subroutine is developed to add the periodic condition in the commercial 3d fem software. 3d electromagnetic field analysis is done to analyze the magnetic flux distribution in the tfpm. base on the field analysis, the mathematical model is given

    採用簡化的三維電磁場計算方法對橫向磁通永磁電機內部磁通分佈進行了研究，計算了各部分的磁通密度分佈和漏磁通的走向，得到了電機的空載漏磁系數及空載反電動勢以及主要的漏磁通分量。
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