磁動勢的 的英文怎麼說

中文拼音 [dòngshìde]
磁動勢的 英文
magnetomotive
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : 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...
  • : 4次方是 The fourth power of 2 is direction
  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

    一位受害者在網上一個大腦控制(精神控制)論壇上推薦了一個網站「阻止電」 (電波頻率) ,建議一系列衣服,包括鋁內襯短褲,如此介紹「確,你可以穿著舒適內衣,屏蔽普通電纜和計算機電場、微波、雷達、電視輻射」 ,同樣,一個內藏錫帽普通棒球帽也是「高明和精巧」 。
  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

    一位受害者在網上一個大腦控制(精神控制)論壇上推薦了一個網站「阻止電」 (電波頻率) ,建議一系列衣服,包括鋁內襯短褲,如此介紹「確,你可以穿著舒適內衣,屏蔽普通電纜和計算機電場、微波、雷達、電視輻射」 ,同樣,一個內藏錫帽普通棒球帽也是「高明和精巧」 。
  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通量變化感應
  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條件下,勵將會維持不變結論。
  5. Therefore, the magnetomotive force in the air gap is essentially proportional to the primary ampereturns squared.

    所以,氣隙中實際上與初級安匝數平方成正比。
  6. 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

    通過槽電流表和槽圖定性地分析電機諧波場對電機運行性能影響,由此確定電機所選槽配合是否合適。
  7. The applications and developments of the rotor - ambs system in the engineering are showed in recent years. in particularly, we present the results for the studies of nonlinear dynamics in the rotor - ambs system. we also point out the trend of the rotor - ambs system in future and the necessity of the study on the nonlinear dynamics of the rotor - ambs system

    本文研究內容和所獲得主要結果有以下幾個方面: ( 1 )綜述了懸浮研究歷史,介紹了主式電軸承-轉子系統在工程實際中應用,主式電軸承研究現狀,總結了近十年來國內外對電軸承-轉子系統非線性力學研究進展和取得成果,指出了電軸承發展及進行非線性力學研究必要性。
  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

    針對反電類似正弦準正弦波反電無刷直流電機,本文提出一種基於六個離散位置信號自同步svpwm (電壓空間矢量法)控制方法,用以削弱電轉矩脈,分析了實現這種方法主要控制環節,包括起時電壓空間矢量初始定位,阻抗角與電流超前角合理選擇以及連續轉子位置估計等。
  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

    對準正弦波反電無刷直流電機在120導通方式、 180導通方式和自同步svpwm三種控制方式下轉矩脈系數、轉矩電流比等方面進行了全面分析與比較,模擬研究和實驗結果表明,當反電平頂寬度小於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基礎上,更有效地抑制電轉矩脈
  10. 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力矩。
  11. 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,由電樞電流所產生沿著相臨兩個極,並稱為正交軸。
  12. 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組合作為一個機械整流器以使得電樞端電壓為單方向同時也使得由電樞電流所產生在空間是固定
  13. 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

    它是在微機控制下由靜止變頻器供電,使同步電機定子離散運,在電機軸上得到位置和速度輸出一種新型傳控制方式。
  14. 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發電機電氣故障,本文對其故障機理和進行了分析,將傳統方法和智能化方法相結合,對轉子繞組匝間短路存在性和故障嚴重性進行了診斷。
  15. 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,從本課題採用徑向式結構三相永同步發電機物理模型出發,得出其基本電路方程式,並分析了永與繞組間相對位置不同而對繞組電感不同影響,相電流對路飽和效應影響,為車用永發電機優化設計提供了理論依據。
  16. The non - ideal bemf waveform of bldcm is often caused by two facts. one is that the platform width of bemf waveform is less than 120 ; the other is the cogging harmonics existed in the bemf waveform

    非理想反電波形無刷直流電機有兩種情況,一種是反電梯形波平頂寬度小於120 ;一種是由於場分佈受齒槽影響,反電存在齒諧波,使其波形發生畸變。
  17. The ideal bemf waveform of bldcm is trapezoid with 120 ! platform width. in the 120 conduction mode, the stator current is not ideal due to the stator inductance, and the torque ripple occurs

    理想無刷直流電反電波形是120平頂梯形波,在三相六狀態120導通方式控制下,電流由於電機定子電感存在而不是理想方波,因此產生了換相轉矩脈
  18. At first, the dissertation analyses the principles, the operation theory and the control techniques of bldcm ( brushless dc motor ). then according to the different bemf of different bldc motor, the dissertation analyses the torque ripple in the bldcm with ideal 120 擄 trapezoidal waveform bemf and non - ideal bemf waveform respectively. further more the dissertation presents different novel control techniques of the torque ripple minimization in bldcm

    首先,對永無刷直流電機定義,工作原理,控制方法進行了分析,然後根據永無刷直流電機反電波形不同,對理想方波型無刷直流電換相轉矩脈,非理想方波反電無刷直流電換相轉矩脈進行了詳細分析,並分別提出了不同控制策略,對其換相轉矩脈進行抑制。
  19. To implement this method, the structures of both the hardware and the software are analyzed in detail. the simulation and the experimental results show that this control technique can effectively minimize the torque ripple caused by distortion of the back - emf

    闡述了實現這種方法軟、硬體結構,模擬研究和實驗結果表明這種控制策略可以有效地抑制由於反電偏差所產生轉矩脈
  20. Railway fixed equipment and rolling stock. electromagnetic disturbances. measurement of longitudinal induced electromotive force

    鐵路固定設備和車輛.電干擾.縱向感應電測量
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