起動繞組 的英文怎麼說
中文拼音 [qǐdòngràozǔ]
起動繞組
英文
starting winding-
Ranging from 100 to 200 microns across, the width of several human hairs, these microscopic fossils are surprisingly complex and constitute almost a textbook example of a bilaterian, including the three major tissue layers ( the endoderm, mesoderm and ectoderm familiar from high school biology texts ), the presence of a gut with a mouth and anus, and paired coeloms ( body cavities ) surrounding the gut
這些微化石的大小為100 ~ 200微米，相當于幾根頭發的寬度， ?們看起來出奇復雜，而且簡直就像兩側對稱動物的教科書般，展示了各種特徵：包括三個主要的組織層（內胚層、中胚層及外胚層，都是中學生物課本中熟悉的名詞） ，前後連介面部與肛門的腸腔，腸腔外還圍繞著成對的體腔。The revolution of modern management which is due to the start of information technique is on the way, among them, “ business focus stratege ” and “ business outsourcing ” are two obvious trends. these bring a kind of new mode for the enterprise management, namely more and more enterprises are around a certain entity and come into being limitless networks, and each enterprise manage a business at the special realm of oneself. they neither belong to each other nor give order each other, but obeying certain and common rules, all enterprises join up to creat value for the ultima customers. such business mode is neither a pure market behavior, nor a vertical integration, but is a middle organization between market and enterprise, which we name hyperenterprise
這給企業經營管理帶來一種新的模式，即越來越多的企業圍繞著某一個實體逐漸形成一個無邊的網路，在這個網路中，每一個企業在自己特殊的領域開展生產經營活動，他們互不隸屬也互不發號施令，但是卻自覺地遵循某種共同的規則，因而所有這些企業又無形地聯合起來為最終用戶創造著價值。這樣的企業運作模式既不是無組織的單純市場行為，也不是以往的縱向一體化，而是一種介於市場與企業之間的中間組織，我們把它稱為「超企業」 。The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed
本文對空芯動圈式直線同步電動機進行了深入細致的研究，內容包括： （ 1 ）採用電流模型推導出兩種計算永磁磁極二維氣隙磁場的解析公式（集中電流法、分佈電流法） ，同時介紹了兩種永磁電機氣隙磁場計算方法（磁荷法，直接求解拉氏方程法） ，分析各種方法的優缺點，討論電機參數對氣隙磁密的影響； （ 2 ）介紹了單層同心繞組的布置方式，根據安培定律推導出空芯動圈式直線永磁同步電動機的靜推力計算公式，分析靜態力?位移特性； （ 3 ）建立空芯動圈式直線永磁同步電動機動態模擬模型，模擬不同驅動方式下電動機起動、穩態運行時電磁力、速度、位移的變化情況。In accordance with the driving characteristics of ac driving locomotive, the working status of its traction transformer is analysed. the questions that should be considered in the traction transformer design of ac driving locomotive are mentioned. these questions are the large short - circuit impedance of traction winding, higher harmonic current, over - excitation and dc magnetization caused by large variation of the network voltage, etc. some disposal methods are given
針對交流傳動電力機車的傳動特點，對其中的牽引變壓器的工作狀態進行了分析，指出交流傳動電力機車用牽引變壓器設計時需考慮的牽引繞組的短路阻抗大、電流的高次諧波、網壓波動大可能引起的過勵磁以及直流磁化等問題，同時給出了相應的一些解決方法。Considering the above control strategies which make the controller can not be real - time processing because its workload has increased, control circuits of the main switches based on eprom are designed, which can implement control scheme of firing angles and phase voltage. furthermore, it avoids power converter saturation in the process of commutation
上述控制策略的引入造成控制器運算量增大、難以在線實時控制，又設計了基於eprom的主開關器件通斷控制電路，實現了開關磁阻電動機開通關斷角控制及對施加於相繞組上電壓的優化控制，同時避免了換相時可能引起的功率變換器飽和現象。The system takes both advantages, the former is fast and convenient characteristics of dasylab in building a control and measure system, and the latter is the powerful program function and abundant control button of labwindows / cvi. it can acquire, analysis and save the real - time data in the experiments of the lim and electromagnet meanwhile, it can control the start / stop of the lim. electromagnet and dc motor, as well as it can control the change of the voltage and frequency of the lim. the exciting windings voltage and rotor windings voltage of the dc motor
整個測控系統利用了dasylab組建採集分析系統的簡單快捷和labwindows cvi豐富的控制項與強大的編程功能，將兩者的優點有機的結合起來，可以完成直線電機及電磁鐵試驗中的數據採集、分析、存儲，並且可以控制試驗中直線電機、電磁鐵、直流電機的啟動與停止，對直線電機繞組電壓、直線電機繞組電壓頻率、直流電機勵磁繞組電壓、直流電機電樞繞組電壓、電磁鐵繞組電壓的大小進行控制。In this thesis, the mathematical model of transitional process is built up during salient - pole synchronous motors ( asynchronous starting based on the state equations under d - q frame, simulation model about asynchronous starting using matlab software is set up. it proves the novel exciting winding control way through analyzing and studying the simulation curves, and provides the best exciting in towards polarity way using " stator - electricity " during salient - pole synchronous motors ( asynchronous starting through analyzing the fault of traditional way to exciting
通過分析d q軸系下的凸極同步電動機狀態方程，建立了凸極同步電動機異步起動過渡過程的數學模型。利用matlab模擬軟體建立凸極同步電動機異步起動模擬模型，通過模擬曲線分析、研究，證明本文提出的新型勵磁繞組控制方法的正確性，並通過分析傳統投勵方法的缺陷，提出了"定子電量法"實現凸極同步電動機最佳順極性投勵的方法。It is showed that the torque ripple is not only connected with the phase currents, but also with the other factors, such as the instantaneous phase emf ' s in the case of commutation, the angle of commutation and the parameters of the windings
從一個新的角度分析了繞組換相引起轉矩波動的原因，指出換相轉矩波動不僅與電機繞組電流有關，還與換相時相繞組感生電勢瞬時值、換相位置角、繞組參數等因素有關。The thesis realizes the control exciting winding method and the best exciting in towards polarity method provided in this thesis with singlechip ( at90s8535 ) and scr hardware. it proves these methods are accurate and available through the control exciting winding test. analyzing the stator current and exciting current test curves on a salient - pole synchronous motor with 2kw - 4 poles, it solves the starting - difficulty of salient - pole synchronous motors, and improves motors " starting capability
通過在一臺2kw 、 4極凸極同步電動機上進行異步起動試驗和分析試驗過程中的勵磁繞組電流和定子繞組電流的波形，證明了本文提出的勵磁控制線路的正確性和可行性，較好地解決了凸極同步電動機起動難的問題，同時改善了電機的起動性能。Mr - 2b double flier armature machine is fit for the winding of rotors of the start motor of motorcycle, motors of automobile warming machine and power tools or other micro - motors
Mr - 2b型自動雙飛叉轉子繞線機適用於摩托車起動電機、汽車暖風機電機、電動工具電機以及其它微電機轉子繞組的繞制。This machine is designed for paint - dropping or rubber dropping epoxy resin end sealing of engine rotor winders such as mini - engine, series engine, motorcycle, vehicle starting engine, dc servo engine and electrical tools, etc. the local machine is of germany simenz programmable controller ( plc ) with the parameter of simenz latest chinese
本機專為微電機、串激電機、摩托車、汽車起動電機、直流伺服電機、電動工具等電機轉子（電樞）的繞組滴漆或滴膠環氧樹脂端部封裝而設計的專用設備。In this thesis, the basic operation theory of salient - pole synchronous motors is discussed ( based on the analysis of the electromagnetic relationship among stator winding 、 rotor winding and damper winding, the transitional process of salient - pole synchronous motors ( asynchronous starting, the thesis provids a novel control method and connection of exciting winding during salient - pole synchronous motors ( asynchronous starting
本文論述了凸極同步電動機的基本運行原理，在分析了凸極同步電動機定、轉子繞組及阻尼繞組的電磁關系的基礎上，研究了凸極同步電動機異步起動的過渡過程，提出了一種新型的凸極同步電動機異步起動過程中勵磁繞組控制方法和線路。Ac motor starting current is big, but it can bear usually, if it starts unusually, it could produce heating winding and burn. the large capacity motor must use starting equipment
交流電動機起動電流大。正常起動時，電動機能夠承受，但非正常起動時，會產生繞組過熱而燒毀；通過分析指出較大容量的電動機必須採用起動設備。The study in this thesis will provide reference in improving salient - pole synchronous motors " asynchronous starting capability and designing the control exciting winding scheme
本文所作的研究工作，對凸極同步電動機異步起動的起動性能有所改善和勵磁繞組的控制設計方面的研究有一定的指導意義。At different position and current, the normal force is calculated. this will be used to determine the force harmonics and hence to calculate the vibration resulting from the normal forces. the caculation results are very helpful to the reseach of noise and vibration of doubly salient motors
本文利用vfem對雙凸極電機二維電磁性能進行分析，並對不同轉子位置、不同繞組電流情況下的定轉子徑向磁吸力進行了詳細計算，從而可以進一步研究徑向力所引起的振動響應，這對于雙凸極電機噪聲和振動的研究有非常重要的實際意義。分享友人