前轉子 的英文怎麼說

中文拼音 [qiánzhuǎnzi]
前轉子 英文
front rotor
  • 前 : Ⅰ名詞1 （在正面的） front 2 （次序在先的） first; top 3 （過去的; 較早的） ago; before; preceding...
  • 轉 : 轉構詞成分。
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  1. Product introduction series of bs undulate screen, which surface are made of more line - up and row peach shape screen pieces, its rotor is circumrotate by same direction and equal speed, the screen surface intervene turning make of levity screen hole, drive materiel above screen go forward with undulate form, thereby reach to separate effectively

    產品介紹bs系列波動篩分機是由轉子上多排多元並列的特製桃形篩片組成篩面，轉子以同向等速做周向旋轉，篩片交錯回轉構成多變的篩孔，使篩上物料以波動形式向前運動，從而達到高效篩分之目的。
  2. Effects of swept leading edge on performance of fans

    風扇轉子前緣曲線相對掠對性能的影響
  3. Being a sort of new principle micromotor in the fronitier of science. the ultrosonic motor ( usm ) is developed at recently twenty years. utilizing the stator surface particle elliptical motion excited by piezoceeramics, the usm is drived by friction force between the stator and rotor. compared with the conventional electromagnetic motor, the ultrasonic motor has the following features : high speed, high holding torque when power is off and so on. because of it ' s characteristics, the ultrasonic motor has obtained some widespread application in robots, precise instrument, house electronical appliance, sapceecraft automobile and micromechanism

    超聲波電機（ ultrasonicmotor ）是近二十年來發展起來的一種新原理電機，其原理不同於傳統的電磁型電機，它是利用壓電陶瓷的逆壓電效應使定子的表面質點產生橢圓運動，通過定子和轉子之間的摩擦力驅動轉子運動。這種新型的電機與傳統電磁電機相比，具有響應快、不受電磁干擾、結構緊湊、低速、大扭矩、斷電自鎖等優點，因而在微型機械、機器人、精密儀器、家用電器、航天器、汽車等方面顯示出廣泛的應用前景。
  4. She did a twirl in front of the mirror.

    她在鏡子前轉了一圈。
  5. 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。
  6. 4. in accordance with the difficult problem of trial - weight on the using horizontal decanter centrifuges, this paper bring forward a method to gain the inner unbalanced weight through adding trial - weight on the external rotor. we have discussed the theory of this method in detail and the feasibility of this method have been accepted by the high - grade technician in some factory

    針對目前在役臥螺離心機的內轉子沒有預留可裝拆的配重處的問題，本文提出了在外轉子上試重進行平衡再換算到內轉子校正面上的平衡方法，此方法在理論上已得到充分的論證，在可行性方面已得到了有關企業高級技術人員的認可。
  7. Analysis for magnetic field of srm is very complicated since the flux waveforms in different parts of the motor vary with motor phase, stator pole and rotor number, also with the winding connections, etc, which results in the srm losses, especially iron loss calculation difficult. the temperature analysis due to the losses has become a study hot spot

    Sr電機鐵心的磁通波形不僅與電機的相數有關，還與定、轉子齒極數、定子繞組連接方式等密切相關，從而使得sr電機磁場分析很復雜，復雜的磁通密度波形導致電機損耗特別是鐵損的計算非常困難。電機的損耗又會引起電機的溫升，因此高性能的sr電機的熱分析也成為目前的研究熱點。
  8. Model xjq has following features ： （ 1 ） dummy bottom is adopted, making the recycling capacity of the recycling cylinder is 2. 5times of the tand. ( 2 ) the stator is a cylinder in structure with its inner wall being vertically ribbed, and slots are placed, leading to better cutting lffect to the slurry. ( 3 ) due to low immerging depth of the rotator, low rurning speed of the impeller, and wide space between the impeller and stator, wearing is low and power consumption greatly reduced. ( 4 ) it is spontaneously aerated

    Xjq型浮選機為仿維姆科型，該機主要有以下幾個特點： （ 1 ）採用了假底，循環簡可使循環量達到槽容積的2 . 5倍; （ 2 ）定子結構為圓筒型，內壁設有立筋條和長孔，對礦漿的前切作用好; （ 3 ）轉子浸沒深度淺，葉輪轉速低，葉輪和定子間隙大，所以其磨損輕，動力消耗大大減少; （ 4 ）可自吸空氣。
  9. The equipment adopts centrifugal sliding plow groove rotor and is the newest structure evaporator at present. it can form membrane under the condition of small flow. comparing with that of fixed space drag evaporator, its evaporation capacity can increase 40

    本設備採用離心式滑動溝槽轉子，是目前國外最新結構蒸發器，在流量很小的情況下也能形成薄膜，在簡體蒸發段內壁表面附著處理液中的淤積物可被活動刮板迅速移去，和固定間隙的刮板蒸發器相比，蒸發量可提高40 69 。
  10. The sealing area on the turbine side of the fore rotor and these on both sides of the after rotor were metalized then the areas were re - machined to the required size

    前一個轉子靠渦輪一側的密封面和后一個轉子的兩側密封面都用金屬噴鍍了，然後將密封面重新光車到所要求尺寸。
  11. This dissertation focuses on the integration technology in the magnetic bearing system including permanent magnet biased axial - radial magnetic bearing, bearingless induction motor, novel switching amplifier used in mb and robust control of mb

    電磁軸承集成技術是目前磁軸承高速電機領域研究的熱點。該技術對于提高系統的可靠性、減小轉子軸向長度和體積，改善高速電機的動態性能具有獨特的作用。
  12. The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter. the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled, so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled. therefore, acegs have superior performances by contrast with conventional synchronous generators and induction generators, such as upstanding stability, power generation of variable speed constant frequency ( vscf ), adjusting active power and reactive power independently, and absorbing lag reactive power deeply

    交流勵磁發電機的基本結構與繞線式異步電機相同，其定子側接電網，轉子上採用三相對稱分佈的勵磁繞組，由變頻器提供對稱交流電勵磁，且勵磁電壓的幅值大小、頻率、相位、相序都可根據要求加以控制，從而可以控制發電機勵磁磁場大小、相對于轉子的位置和電機的轉速，使得交流勵磁發電機具有良好的穩定性及轉速適應能力、獨立的有功與無功調節能力和較強的進相運行能力，性能超越傳統同步發電機和感應發電機，因而有著廣闊的應用前景。
  13. In order to resolve the question, in the thesis a simulation arithmetic of hydro - electrical system is put up. the equations of hydro - electrical system are divided to two parts, one of which consists of the differential equations of conduit system, hydro turbine and generator ' s rotator and is solved by characteristic equation arithmetic, the other of which consists of the differential equations of generator, magnetic system and grid and is solved by longge - kuta arithmetic or covert integrated arithmetic. through the alternative solving of the two parts, the simulation results of the large - disturbance transient could be abstained eventually

    為解決這一問題，本文提出了一種將水力系統和電力系統方程交替求解的水電系統聯合模擬演算法，即將包括輸水系統、水輪機以及機組轉子等部分的水力系統差分方程作為一部分，將包括同步發電機、勵磁系統以及電網等部分的電力系統微分方程或差分方程作為另一鄭州大學工學碩士論文部分，對前一部分採用特徵線法求解，對后一部分根據模型形式採用龍格一庫塔法或隱式積分法等演算法求解，這兩部分的求解過程交替進行，最終即可得到水電系統大擾動過程的模擬結果。
  14. The precondition of establishing mathematics model of torpedo turbine system in design condition is to fulfill the external conditions ( such as torpedo sailing speed and depth etc. ) and inner conditions ( such as turbine power and efficiency etc. ). after establishing mathematics model of torpedo turbine system in design condition, we compiled simulation program to compute all kinds of inner parameters of turbine engine include engine type, principal layout of turbine, inner structure of turbine and state parameters of gases

    首先分析設計工況時渦輪機動力系統，在滿足魚雷動力系統的各項外部條件（如魚雷航深、航速等）和內部條件（如渦輪機功率、效率，燃燒室壓力、溫度，轉子機械強度等）的前提下，建立起設計工況渦輪發動機的數學模型，編程計算並確定渦輪機內部機械結構和燃氣熱力學狀態各參數。
  15. In this paper, based on the acquaintance of the reason and background of turbine ' s differential expansion, focus on the thermal - expansion performance of steam turbine

    本文在熟悉了解汽輪機脹差產生原因和背景的前提下，著重研究了汽輪機轉子的熱膨脹特性。
  16. Second, as currently study of hot point, back ? emf, it will discuss the principle of the sub - position examination in detail. based on the principle, it put forward a kind of improving back - emf method of crossing - zero checking turns position. but this did n ' t resolve to the root problem that the speed scope is very narrow and it need an in expiation of speed error and so on. thus it put forward a new improvement method at next chapter

    其次，就目前所研究的熱點? ?反電勢法，詳細討論了其轉子位置檢測的原理，在此基礎上提出了一種改進的反電勢過零點檢測方法，其可直接從電機端部得出反電勢對地的電壓值，而不是通過電機中心點電壓來得到反電勢。
  17. Henceforth, we calculate the saliency ratio of improved motor by the way of " electromotive oprce method ", and simulate the start processions of original motor and the improved motor with matlab language. from the result of simulation, we can find that the improved motor have better pefformance than the original motor

    此後本論文運用「電勢法」計算出轉子結構改進后永磁同步電動機的凸極比，並利用matlab語言對改進前後電機的起動過程進行計算機模擬，模擬結果表明改進后永磁同步電動機能獲得更好的起動性能。
  18. The study of flywheel battery concerns the intercross of many disciplines, such as mechanism, material, electronic engineering, heat engineering, computer, and so on. in this dissertation, two main key techniques, the high speed flywheel rotor and the magnetic bearing, are investigated deeply and systematically. the main contents of this dissertation are as following : in chapter 1, the background, source, purpose and significance of the subject are introduced

    其研究涉及到機械、材料、電工、熱工、計算機等多學科的交叉，國內外目前大都在研究原型裝置，對設計理論與方法尚未進行系統深入的研究，本論文則對飛輪電池儲能涉及的兩大關鍵技術? ?飛輪轉子設計與磁浮軸承及其相關技術進行了系統的理論分析與模擬研究。
  19. This results to the induction machine with compound cage rotor to be of good starting performance and working performance that is adjacent to that of the common squrril - cage induction machine. it can be applied broadly in many fields

    這使得復合籠條轉子感應電動機不僅有良好的起動性能，而且有接近普通鼠籠型感應電動機的運行性能，在許多場合有廣泛的應用前景。
  20. The research on rotor dynamics takes a new look after introducing the theory of modern nonlinear dynamics. domestic and international scholars did a lot of research effort by the theory of modern nonlinear dynamics, such as bifurcation and chaos behavior on crack rotor system, vibration of oil film, rub - collision rotors, loosening foundation, catastrophe and gradation of rotor trouble. we got many important results, but most of research that focused on single deck rotors with singularity troubles, research coupling troubles of rotor systems is not enough

    目前，國內外科技工作者採用非線性理論和方法對轉子系統進行了大量的研究工作，包括轉子系統裂紋故障的分岔與混沌行為及穩定性，轉子系統的油膜震蕩、碰摩、基礎松動的研究，轉子系統故障的慢變過程及突變的研究等，但是目前轉子系統多被簡化為具有某一單一故障的單盤轉子模型，對耦合故障多盤轉子系統的動力學行為和故障機理研究還比較少，而工程實際中的轉子系統模型更為復雜，耦合故障普遍存在。
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