軸電流 的英文怎麼說

中文拼音 [zhóudiànliú]
軸電流 英文
shaft current
  • 軸 : 軸Ⅰ名詞1. （圓柱形的零件） axle; shaft 2. （對稱部分的直線） axis 3. （圓柱形的纏繞器物） roller; spool Ⅱ量詞（用於纏在軸上的線以及裝裱帶軸子的字畫）
  • 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. Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results

    這種方法的積分方程的積分核里含有復雜的微積分運算，為了簡化計算，本文在推廣的海倫積分方程的基礎上，對方程進行了簡化，推導了nakano方程，並以平面阿基米德螺旋天線，平面等角螺旋天線，軸向模圓柱螺旋天線，具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例，用矩量法求解了天線上的電流分佈，研究了螺旋天線輻射的寬頻帶特性，所得的結果均與參考文獻吻合很好。
  2. The magnetic field coupling between neighbors electromagnetic is analyzed by femm software and the solved. mathematical system and conrrol system of the pemb are established. voltaic stiff coefficient and displacement stiff coefficient are calculated

    建立了永磁偏置磁軸承的數學模型和控制模型，計算了其電流剛度系數和位移剛度系數。
  3. Because most of the components in ambs are of the nonlinear characteristics, the dynamics in ambs is very complicated. the electromagnetic force is a nonlinear function with respect to the displacement of the rotor and the controlling electric current

    主動式電磁軸承（ ambs ）被廣泛地應用於工業和航空航天工程中，但由於電磁控制力是被控對象的位移和控制電流的非線性函數，因而構成了一個非線性機電系統。
  4. The generator shall be run without load for 30 minutes, to record the phase current, volt, frequency, stator and bearing temperature once at intervals of 10 minutes

    電機應空載試運行2小時，每隔30分鐘記錄一次相電流、繞組和軸承溫度。
  5. According to biot - savart law, the general expression of magnetic field distribution generated by circular current in space has been calculated in this paper, which further discusses the magnetic field in the plane, the central axis and the far space

    摘要直接由畢奧薩伐爾定律的計算公式，在更為普遍的情況下，計算出了圓形線電流在全空間的磁場分佈，並進一步討論了其在中心軸線上、平面內及遠區的磁感應強度。
  6. In theoretical analysis, the motion of radially - emitted electron beam in diode region and drift region has been analyzed, and the relation between radial momentum or current of electron beam and the guiding magnetic field has also been studied, then the possibility to optimize the guiding magnetic field has been derived. the motion of radially - emitted beam electrons in smooth bore magnetron and smooth bore milo has also been studied theoretically. at last, the motion of radially - emitted beam electrons in compound axial and azimuthal magnetic field has been studied

    在理論分析中，初步分析了軸向發射條件下電子在二極體區域和漂移區的運動規律，電子徑向動量隨著外加磁場變化的規律，以及電子束電流隨著外加磁場的變化規律，還有二極體區域磁場優化的可能性;分別研究了有軸向磁場時以及有角向磁場時徑向發射的電子在光滑陽極結構中的運動規律，最後分析了在軸向和角向復合磁場中電子的運動規律。
  7. The aim of this study is to explore the concentrating effects of both the electric current density and the stresses in the plate due to the existence of the elliptic hole

    其研究重心是定量計算橢圓孔對電流密度以及板內應力分佈在橢圓長軸端點處的集中效應。
  8. Clutch rotor and brake are fixed on the output shaft, and the input armature plate can be set onto the input flywheel so that when the clutch is energized the fly wheel will drive the output shaft. when the clutch is disengaged and the brake is energized the output shaft will stop

    離合器之轉子與剎車器被固定在出力軸上，入力的電極板可固定在入力的飛輪上，當電流通過離合器時飛輪帶動出力軸，當離合器分離時，剎車有電流通過出力軸就停止。
  9. Analyze the rectangular microstrip patch array using green functions method, resolve the integral equation by the method of moment, propose a method for resolving the mom impedance matrix, which is a combine of analytical method and numerical method

    用矩量法計算了同軸饋電的矩形微帶貼片陣列的電流分佈，在求解廣義阻抗矩陣時，給出了一種解析方法與數值方法相結合的方法。
  10. The voltage ir on core adopts semienclosed insert model. the current element adopts two - stage compensation to have wide load property. the whole plasticenclosed voltage coil. can withstand instantaneous large voltage impulse. the double jewels bearing or the magnetic - propelled bearing can ensure long lifetime. the bipolar aluminium nickel cobalt damping magnet steels have high coercivity, stable magmetic property. the electric function is in accordance with iec521 international standard

    ：電壓鐵芯採用半封閉插入式，電流元件採用二級補償使表計具有寬的負載特性。全塑封的電壓線圈能稱說瞬時大電壓沖擊。雙寶石軸承或磁推動軸承確保表計長壽命。
  11. To adjust the handling capacity of the centrifuge by regulating 0 and 1 ， suggestions are put forward as follows : ( 1 ) using dc motor instead of ac motor when scr system being used, ( 2 ) mounting a coupling on the drum shaft, ( 3 ) adding a liquid supply control system to control the filling of the fluid in the coupling

    為此，提出改進建議: （ 1 ）在有scr可控硅系統的現場，用直流電動機代替交流電動機，用控制電流大小的方法來調節電動機的轉速，從而控制0 ， （ 2 ）在滾筒軸上安裝一偶合器，利用偶合器的無級調速的特點來達到自動調節離心機處理速度和處理量的目的， （ 3 ）在安裝偶合器的基礎上，增加一個液體供應控制系統。
  12. 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。
  13. It was difficult to measure the load voltage directly between inner and outer conductor of cable induced by shield current under low flux x ray. this paper introduces a measurement, pouring a current, which was same as cable approximately photocurrent in x ray test, into the shield of cable with a triocoaxial system, and the load voltage was got. finally the measured result of typical cable and comparison with the calculation was given with a special load

    在簡要介紹屏蔽電纜的轉移阻抗和轉移導納耦合的基礎上，描述了利用三同軸系統對雙電纜和等效負載組成的電纜系統進行電流注入，模擬電纜屏蔽層發射電流，測量芯線等效負載感應信號的實驗，給出實驗結果及分析，並對理論結果與實驗進行了比較。
  14. Space vector control according as ac induction motor two - axis theory speed separates the stator current into two components. one is the torque component ; the other is the flux component. a structure similar a dc machine structure where torque and field can be controlled independently is given

    矢量變換控制是以交流電動機的雙軸理論為依據，在同步旋轉坐標系中把定子電流矢量分解為兩個分量：一個分量與轉子磁鏈矢量重合，稱為勵磁電流分量；另一個分量與轉子磁鏈矢量垂直，稱為轉矩電流分量。
  15. Numerical study of journal bearings with electrorheological lubricants

    電流變液滑動軸承的數值研究
  16. Two or more generators shall be used to generate electricity by the synchronous equipment

    發電機在帶負載試運時，每隔30分鐘記錄一次相電流、繞組和軸承溫度。
  17. The results show that, when increasing the feed rate of the grinding wheel, decreasing the rotating speed of the wafer chuck table and using coarser grit grinding wheel, the material removal rate in the wafer rotating grinding increase, the feed rate of the grinding wheel has greater influence on the material removal rate ; when suitably increasing the rotating speed of the grinding wheel, decreasing the feed rate of the grinding wheel and using finer grit grinding wheel, the wafer surface roughness can be reduced ; there exists a critical rotating speed of the grinding wheel ( about 2300rpm ), beyond which the material removal rate evidently decreases and the spindle motor current and wafer surface roughness steeply increase ; when the grit size of the grinding wheel is finer than # 2000, the material removal rate decreases and the wafer surface roughness has no obvious improvement

    研究結果表明，增大砂輪軸向進給速度和減小工件轉速，採用粗粒度砂輪有利於提高磨削矽片的材料去除率，砂輪軸向進給速度對材料去除率的影響最為顯著；適當增大砂輪轉速，減小砂輪軸向進給速度，採用細粒度砂輪可以減小磨削表面粗糙度；在其它條件一定的情況下，砂輪速度超過一定值會導致材料去除率減小，主軸電機電流急劇增大，表面粗糙度變差；採用比# 2000粒度更細的砂輪磨削時，材料去除率減小，矽片表面粗糙度沒有明顯改善。
  18. In the proposed technique the bemf waveform of bldcm need to be measured in advance at first, through computer simulation and frame transformation, the optimum q - axis current command is achieved. in order to minimize the torque ripple, the d and 0 - axis current command should be zero. furthermore, through reference frame transformation from dqo - axis to abc - axis, we can get the optimum current command in static abc reference frame

    在這種控制方法中首先測量出電機的實際反電動勢波形，然後通過計算機擬合和坐標變換，求得產生恆定電磁轉矩所需的q軸電流，令i _ d ~ * = i _ 0 ~ * = 0 ，通過坐標變換，得到三相靜止坐標系a - b - c下的參考電流i _ a ~ * ， i _ b ~ * ， i _ c ~ * ，利用電流滯環控制來產生pwm信號，由於這種控制方法中電流不會突變，從而可以較好的抑制轉矩脈動。
  19. For the bldcm which has a neither sinusoidal nor trapezoidal back - emf, that is, for a general shape back - emf bldcm, this dissertation proposes a novel id = 0 vector control method. by this method, the iq for a constant torque to produce is calculated through coordinate transformation, and the reference iq is tracked by vector control in the dq0 frame

    對于實際反電動勢波形既非正弦又非梯形波的無刷直流電動機，提出一種新型的任意波形反電動勢無刷直流電動機的i _ d = 0矢量控制方法，通過坐標變換浙江大學博士學位佑文摘要求解產生恆定電磁轉矩所需的q軸電流，並在dqo坐標系下通過矢量控制對q軸參考電流進行跟蹤。
  20. In this thesis, current indirect control with the reversible system pi and current direct control under dq axis are studied specially and the static state and dynamic state performances of asvg controlled by this two method are simulated respectively

    論文重點對電流間接控制中的逆系統pi控制和電流直接控制中的dq軸電流控制進行了詳細研究，模擬了asvg在這兩種控制方法下的靜態和動態特性。
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