電機運行特性 的英文怎麼說

中文拼音 [diànjīyùnhángtèxìng]
電機運行特性 英文
electric machine operating characteristic
  • 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...
  • 機 : machineengine
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 行 : 行Ⅰ名詞1 （行列） line; row 2 （排行） seniority among brothers and sisters:你行幾? 我行三。where...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 電機 : （任何產生和應用電能的機器 特指發電機、電動機） any power generating or power driven machine esp ...
  • 運行 : move; be in motion; run; working; machine run; operation; corotation; propulsion （影片）
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. Being a sort of new principle micromotor in the fronitier of science, the ultrasonic 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

    本文以這一新型電動機為研究對象，對其運行特性和控制策略進行研究，是有較重要的理論和實際意義的。
  2. Row winding, winding engine adopting ac servo engine with berger lahr three phase mixed stepping can solve the resonance, big noise, high speed and small torque for traditional row winding hy normal stepping engine

    1 、排線、繞線電機採用具有支流伺服電機運行特性的百格拉三相混合式步進。徹底解決傳統排繞用普通步進電機有共振區、噪聲大、高速扭矩小的缺點。
  3. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    針對這一情況本文對冶金輔傳用變頻輥道電機的設計進行了系統研究。首先對變頻器和變頻輥道電機的運行特性進行詳細分析，變頻器輸出的電壓波形諧波大，沖擊大，電壓上升率高達6600v / s ，是普通正弦交流電壓的20倍;軋機輔傳輥道對電機提出了十分嚴格的要求:其運行頻率很低，額定頻率在8 - 20hz ;調速范圍寬，最低運行頻率低到0 . 5hz ，起動次數相當頻繁，每小時高達600 - 800次，沖擊負荷大，過載能力要求較高。
  4. At last, considering the running trait of hydraulic turbine in true power stations, combining the complex pipe line system, generating electri city, discharge flood all use of pan shi tou reservoir compute the unsteady transition process

    最後考慮了實際電站水輪機組的運行特性，結合盤石頭水庫引水、發電、泄洪共用的復雜引水系統，進行了電站甩負荷引起的非恆定過渡過程計算。
  5. The dissertation is organized as follow : first, the characteristics of srm and its control system ' s development are introduced. previously major methods used to implement non - position sensor detection and the significance of making search for this direction is generated. and the configuration and fundamental operating principle of srm are analyzed ; some study of linear model and nonlinear model with phase coil as fundamental parameter are presented and sr ' s linear model and nonlinear model are set up

    本文就以上兩個問題進行了深入研究，首先介紹了sr電機及其控制系統的發展歷程，研究無位置傳感器srd的意義和總結已有的無位置傳感器檢測方法，並且通過分析sr電機的結構和運行原理，研究sr電機繞組的線性電感模型和非線性電感模型，建立了電機的線性和非線性數學模型，重點研究sr電機的非線性模型，為sr電機運行與控制特性的研究和模擬研究奠定了理論基礎。
  6. In order to solve the default of the limited valid scope and discontinuity characteristic, introducing the state continuous conversion gene based on establishment of respective mathematics model for low and magnitude current scope, and integrate with them reasonably then having established the mathematics model of suitable whole scope and having solved present mathematics model existent problems

    本文針對目前電弧爐負載數學模型存在的適用范圍有限、特性不連續等缺點，在建立了分別適合大、小電流區域運行特性的數學模型的基礎上，引入狀態連續轉換因子，將分別適合大、小電流區域運行特性的數學模型有機結合為一個整體，建立了適合全范圍的數學模型，解決了目前數學模型存在的問題。
  7. The primary of linear induction motor which drives the metro is installed on the chassis bogie, and because it is quite strict with laying down railway rail to use flat linear induction motor to drive metro, its secondary - - - - reaction board ( called induction board ), which is a kind of compound board of aluminum and steel, is fixed on the rail sleeper between the track. it is the airgap which is a gap between the primary and secondary of lim. the electromagnetic airgap is a very important parameter of lim

    利用有限元法對直線感應電動機二維非線性渦流場進行了數值計算，並在此基礎上，運用電磁場有限元分析的專用軟體ansoftmaxwell2d對單邊型直線感應電動機的瞬態特性進行了模擬分析，得到電機運行過程中的電磁推力、法向力、初級電流、氣隙磁密等曲線，通過改變直線電機參數，分析了電機氣隙對其瞬態性能的影響。
  8. Asynchronized synchronous generator is a new type of generator whose performances are significantly better than those of conventional generator. its appearance shows a new way to resolve the problem of continuous over - voltage on extra - high voltage electric network and the stability of power system with long transmission lines

    異步化同步發電機是一種運行特性明顯優于普通同步發電機的新型電機，它的出現為解決超高壓電網持續工頻過電壓和長距離輸電系統的穩定性問題提供了新的途徑。
  9. Abstract : a two - pole axially - laminated anisotropic ( ala ) rotor reluctance motor, with a high saliency ratio, is de - veloped. based on it, the performance characte istics of the motors are investigated with open - loop operation. it is proposed that an intensive oscillation occurs at low speed, corresponding to the frequency supplied a little greater than the natural one of the system

    文摘:研製了一臺高凸極比的兩極ala轉子磁阻同步電動機，實驗研究了電機的開環運行特性，研究結果表明電機開環運行時存在一個比較嚴重的低頻振蕩，這個振蕩發生在電機電源頻率略大於電機的自然頻率后的某一頻段，且會導致電機失去同步
  10. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行特性及其最佳風能利用原理，通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性，並給出了模擬系統的硬體結構；然後為了實現交流勵磁發電機有功、無功功率獨立調節機理，分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略；針對雙饋發電機轉子能量雙向流動的要求，提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器；最後為實現從理論到實踐的全面研究，研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統，進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗；所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。
  11. The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right

    通過對同步發電機各種運行曲線的計算，在已有文獻的基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行特性和參數的影響；求出了空載特性曲線和零功率負載特性曲線，在不同的電樞電流下計算得到的波梯電抗不同；求出了功角特性曲線，與不計飽和時的功角特性曲線相比較，功角穩定極限小於90 ；求出無功調節曲線，與不計飽和時相比較， u型曲線向右偏移。
  12. It is indicated that, when a two - speed motor is used for driving oil transfer pump, the motor with the characteristic of torque reduction on square rotary speed should be chosen ; the working economy of the variable speed pump is restricted by the characteristic curves of pipeline resistance, and its speed control range is restricted by the pipeline resistance characteristic curve, the pressure head needed by the system and the working characteristic of the pump ; when several pumps work in parallel, the pump with better performance should be changed into speed - variable pump

    指出雙速電動機用於輸油泵的調速時，應選用轉矩按轉速平方降低特性的電動機；調速泵的運行經濟性受到管路阻力特性曲線的限制，其調速范圍受到管路阻力特性曲線、系統所需揚程和泵運行特性的限制；在母管制系統中把部分定速泵改為調速泵時，應將性能較高的定速泵改為調速泵。
  13. The thesis first probably explains brushless direct current motor ( bldcm ), and discusses the related control methods, explains the background and meaning of back electromotive force ( back - emf ) which is used in the thesis. then the thesis expounds the basic component parts, the basic running principle, the running characteristic and transfer function of the bldcm. and then the thesis detailedly dissertates its research pivot : the simulation of bldcm system in matlab based on the method of back - emf and the control system of digital signal processor ( dsp ) based on the method of back - emf

    本文首先對無刷直流電機進行了概述，並對其相關控制方法進行了討論，說明本文所採用反電動勢法的背景和意義;接著論述了無刷直流電機基本組成環節、基本工作原理、運行特性和傳遞函數，然後是詳述本文研究的重點:基於反電動勢法的matlab調速系統的模擬以及基於反電動勢法的dsp控制系統的實現。
  14. After studying the traits and operating characteristic of the repmsm, a speed adjusting scheme combining the in - phase variable - frequency speed adjusting with a speed - closed loop is introduced specially

    本文研究了正弦波永磁同步電動機的特點及其運行特性，確定了以他控式磁通軌跡法變頻調速和轉速閉環調節相結合的調速方案。
  15. The analytic study on the steady - state performance of the brushless doubly - fed machine

    無刷雙饋調速電機穩態運行特性分析
  16. There are four main parts in the paper, i. e. first of all, the dissertation studies the steady - state performance of repmsm with the theory of vector graph and equivalent electro circuit. characteristic of power angle, determinant of static of motor moving, losses and armature reaction are analyzed in this part

    論文研究稀土永磁同步電動機的穩態性能，結合向量圖和等值電路理論對稀土永磁同步電動機穩定運行進行了深入細致的分析，包括功角特性，電機運行狀態的判定，損耗和電樞反應等稀土永磁同步電動機自身具有的特點。
  17. This paper studies on used the ac servo system based on ti dsp ( lf2407a ) and the foc and digital signal processing thorem, achieves following results : algorithm. we employ svpwm ( space voltage pwm ) algorithm, improve the efficiency of the electric source, and decrease the harmonious elements. we build the mathematic model of the system and simulate it on matlab platform, dsigne segmented pid regulator to adapt variable speed and widen the speed range. measurement. the velocity and electric current measuring, we adopt multi - sampling - rate and digital filter principles. as more improvements we make, the whole system gets a good results. pc control. the complete controlling system can be controlled remotely. so we develop the pc controlling program.

    採用磁場定向脈寬調制演算法，提高了電源利用率，降低了逆變電壓的諧波，改善了電機的運行特性，降低了對電網的污染；在matlab平臺上建立了交流永磁同步伺服電機和電壓空間矢量脈寬調制控制系統的數學模型，在模擬的基礎上，對傳統pid調節器進行了改進，提出轉速調節器和電流調節器採用分段pid結構，根據給定轉速所處的區間，自動選擇相應pid調節器的參數，拓寬了調速范圍，提高了控制精度。
  18. In this paper calculation methods of various characteristics curves considering magnetic field nonlinear effect of synchronous generators is systematically studied. the comparison between the results and those without consideration of nonlinear effect is given. the magnetic field nonlinear effect on the operating characteristics is analyzed and the possible factors causing the nonlinear phenomenon is presented

    本論文系統地研究了同步發電機在考慮磁場非線性的影響下各種特性曲線的計算方法，並與不計磁場非線性時的結果進行比較，分析了磁場非線性對同步發電機運行特性的影響以及可能引起磁場非線性的因素，並研究在考慮三元變量作用下採用插值法估算同步發電機的勵磁電流和功角。
  19. With the 300mw turbo - generator as an example, the effects of saturation on operational characteristics and the stator and rotor ' s practical dimensions and configuration on the saturated characteristics have been studied ; some work on the grid division strategy considering the practical dimensions and configuration and the precision of the nonlinear finite element equation also has been studied. then the program for calculating and analyzing turbo - generaors " steady characteristics has been compiled and devised

    本文在系統地研究了汽輪發電機運行特性（飽和特性、短路特性、零功率因數負載特性和u形曲線） 、非線性有限元方程計算精度、定轉子實際結構對飽和特性的影響及計及定轉子實際結構時的剖分策略等問題之後，進一步研究開發了適于不同型號汽輪發電機穩態分析的通用性有限元軟體。
  20. In the latest years, people have designed and made many types of magnetic micromotors, but there are still many problems and much work w hich needs to do about the working principal, design theory and experimental research of magnetic micromotors, this dissertation was just aimed at these problems and did following work : first, on the basis of analying and comparing the working principals and structures of available magnetic micromotors, this dissertation proposed a new type of magnetic micromotor, introduced its structure, controlling methods and the features. according to the basic principles of the fixed - point movement of the rigid body, the dissertation revealed the moving relationship between the rotation of the inner magnetic field of the motor and the rolling of the rotor, presented the moving equation of the rotor and the calculation formula for the rotation ratio between the the inner magnetic field and the rotor, and so made clear the relationship between the structure parameters and the moving characteristics of the motor

    十年來，人們已經設計製作出了多種形式和結構的電磁微電機，但是有關電磁微電機的設計理論和實驗研究仍然處于探索完善階段，本文正是針對這方面的問題以電磁式微電機為研究對象做了以下工作：首先，在對電磁式微電機的各種工作原理和結構方案進行深入研究和分析比較的基礎上，本文首次推出了「端面搖擺式電磁微電機」的設計思想，介紹了其結構原理、控制原理和該電機的特點，並從剛體定點運動的基本原理出發，揭示了電機內部磁場的旋轉與轉子滾動之間行星減速的運動關系，推導出了轉子的運動方程和電機旋轉磁場與轉子的減速比計算公式，從而明確了電機結構參數與電機運動特性的關系。
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