高壓轉子 的英文怎麼說

中文拼音 [gāozhuǎnzi]
高壓轉子 英文
high-pressure spool
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : 壓構詞成分。
  • : 轉構詞成分。
  • : 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...
  • 高壓 : 1 (殘酷迫害; 極度壓制) high handed 2 [氣象學] (高氣壓) high pressure3 (高電壓) high tension...
  1. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低直流( lvdc )和直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用位置傳感器信號間接測量電機速進行電機速閉環穩速控制的策略。
  2. By analyzing and experimentally verifying the model, new ways of improving mixer performance were put forward. ( 1 ) heat water should be used in the mixer ' s temperature control to make the mixer work with optimal parameters. ( 2 ) the surface materials of the mixing chamber and rotors should be chosen rationally to change material surface energy and increase friction on them. ( 3 ) when the compound was processed under higher pressure of floating weight, shallow groovers or stripes parallel to the axle of the rotor should be made on the mixing chamber internal wall to increase the real contact area and improve mixing effect

    通過對模型的分析和實驗驗證,提出了提密煉機混煉效果的新途徑: ( 1 )密煉機溫度控制採用溫水冷卻,使密煉機處于最佳工作狀態; ( 2 )通過合理選擇密煉室和表面材料以改變材料表面能來增大膠料與它們之間的摩擦力; ( 3 )在上頂栓力較大的條件下,在密煉室內壁與軸線同方向加工淺的光滑槽可明顯改善混煉效果。
  3. A trend of photo - induced electron transition from p - type pc to n - type organic semiconductor was strongly supported by the data of sps and fisps measurements, the wire - like configuration of the tio2 tubule nanostructure benefited the electron - transport thereby improved the efficiency of the disassociation of the photogenerated carriers

    表面光電測試結果表明,復合材料中存在著強烈的從p -型酞菁材料到n -型氧化物半導體材料的光致電荷移。而且tio _ 2的納米管和線狀結構提了電的傳輸效率最為明顯,使光生電荷的分離得到顯著改善。
  4. The work principle of dual stator - winding induction generator system, and the researches on practical application of dual stator - winding generator system are analyzed in detail. aimed at the work condition of wide rotor speed and optimization of static reactive power generator ’ s volume, the performance of dynamic state and static state and optimal control of high - voltage dc generator system based on dual stator - winding induction generator, are studied in this paper. these researches not only achieve the work characteristic of dual stator - winding induction generator system, but also set up the foundation of optimal design of dual stator - winding induction generator and engineering realization of dual stator - winding induction generator system used in wind generating

    本文闡述了定雙繞組發電機的基本工作原理,基於matlab軟體建立了定雙繞組感應電機發電系統的模型,並在此基礎上詳細分析了定雙繞組感應電機發電系統的工作機理、影響兩套定繞組容量比的因素等,從而摸清了該系統的特性,尤其是定雙繞組感應電機直流發電系統在變速、變負載下工作的特性,從而為該系統的工程實現奠定了重要的理論基礎。
  5. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -角、速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電最優控制器,通過模擬實驗與採用常規的按電偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  6. Secondly, the math model of the high - speed pm generator with a shielding is deduced. the method of how to analyze the electromagnetic field of the generator is introduced. and with the help of a kind of fem software, the parameters of a model machine are calculated and simulated, including the electromagnetic field, no - load voltage, single - side magnetic force, loaded torque and axial force

    其次,對帶防護罩的速永磁發電機數學模型進行了推導,介紹了利用有限元法對電機磁場進行分析的方法,並運用有限元軟體對一臺樣機的參數進行了模擬,包括電機磁場分析、空載電波形、單邊磁拉力、負載矩以及軸向力等方面的內容。
  7. For the relative units like remote control panel, electronic vit control, oil eject, speed pick up unit and spc - 33 external interface the hotspot information is also made and displayed by visual components

    對調速器相關的單元:遙控控制臺、電vit控制、油泵、速檢測單元、 spc - 33外部介面等建立熱點信息,並以圖形界面顯示。
  8. By high frequency injection method and a kind of magnetic anisotropy of pmsm, the rotor saliency position can be calculated in the pmsm sensorless vector control system

    摘要通過注入特定的頻電信號,利用電機的各向異性以確定的凸極位置,在同步電機無傳感器矢量控制中,對包括零速度在內的所有速度下都能獲得精確的位置信息。
  9. This product fits for recycling resin bonded sand and used sand and it is made of two groups rotors with high rotating speed and scraper with low rotating speed. while working, the rotors with high rotating speed and scraper with low rotating speed will cooperate with each other to strike, cut, extrude and rub the sand to break and make the inert film to fall and to make the sand be recycled after separation by wind

    該系列產品主要用於樹脂砂舊砂的再生,它的工作結構是由兩組速旋和低速動的刮板組成,工作時,速旋與低速動的刮板配合,對砂施以沖擊剪切積和搓擦,使砂粒表面的惰性膜破碎脫落經過風選分離,達到再生目的。
  10. Thermal stress control system actually gather the real - time data of unit sets , compute temperature fields , stress fields and maximum dangerous stress by the math modal , decide target and speedup rotation in every stage of startup process , and justify automatically to realize auto control a serial of processes of turbine , such as speedup , warm - up , connecting net , load changing , stop and unsteady condition etc , and improve automatic level of the unit sets. turbine auto startup ( tas ) system can automatically evaluate steam turbine ' s startup and load changing process according to thermal stress of

    熱應力控制系統實際是對機組運行參數進行實時採集與監控,通過數學模型實時地計算、中的溫度場、應力場分佈,以及最危險熱應力,以確定啟動過程各階段的目標數及升速率,並進行自動調整,實現機組沖、升速、暖機、並網、升負荷、停機以及異常工況下的自動控制,大大提了機組的自動化水平。
  11. Abstract : based on the operation data, the cold start - up and warm start - up curves of a czecho 200 mw steam turbine are worked out according to the operation rules ; the fem calculating models of the temperature field and stress field of the high pressure rotor are established, and the suitable boundary conditions are given ; the temperature field and stress field of the high pressure rotor are calculated and analysized during these two working situation

    文摘:在現場實測數據的基礎上,根據運行規程擬定捷制200mw機組的冷態啟動和溫態啟動曲線;建立高壓轉子溫度場和應力場有限元計算模型,確定相應的邊界條件;計算分析在這兩種工況下高壓轉子的溫度場和熱應力場。
  12. This paper studied two - dimension model of rotor and cylinder and builded the finite element model. generally take the rotor and the cylinder as control objects , definite their boundary conditions , solute their temperature fields , and then analyst their bear expansions and distortions as well as thermal stress distribute , to control the courses , and keep the unit the most optimum operating condition. and put the theories into practice developed by c + + program, used as the important part of the online monitoring and management system of life of the steam turbine

    本文對汽輪機和汽缸的二維模型的進行分析,建立有限元模型;將汽輪機和汽缸作為控制對象,確定其邊界條件,求解其溫度場,分析其熱膨脹、熱變形以及熱應力分佈;採用c + +語言編制汽輪機缸、中缸以及缸體的溫度場實時在線監測程序,作為汽輪機壽命在線監測與管理系統的核心部分,用以指導汽輪機的啟停及運行過程,使機組可以安全的、經濟的運行。
  13. One of the key technologies of hoct is the power supply of the electronic circuit on high voltage part. optical powered battery solves this problem perfectly

    混合式光纖電流互感器的關鍵技術之一即是側電電路的供電電源問題,光電換電源恰恰可以很好地解決這個問題。
  14. In this paper, we make a wide and profound investigation on the research schemes, the present status and the problems of optical powered battery. we put forward a new method based on the investigation to make the output voltage stable which is sampling the output voltage directly and then using the method of digital control to achieve the voltage - stabilizing

    本文對光電換電源的研究方案、現狀及其存在的問題,特別是光電換電源作為混合式光纖電流互感器側的電線路的電源情況及問題進行了廣泛而深入的調研。
  15. The steady - state response of a counter - rotating dual - rotor structure with one inter - shaft bearing was analyzed, of which the low pressure rotor is coupled with the inter - shaft bearing ' s outer ring, and the high pressure rotor coupled with the inter - shaft bearing ' s inner ring

    分析了一種具有中介軸承的反向旋結構的穩態響應,其中介軸承外圈與低聯接,內圈與高壓轉子聯接。
  16. Firstly, the performance is calculated at the design point of the ws - 9 aeroengine by using the numerical model established. secondly, after obtaining the performance coupling parameters, the steady - state performance of the non - designed points is caculated. third, respectively make the limitation of rotate speed of the high pressure rotor and low pressure rotor equal to corresponding parameters of designed point, after the data calculated compared with those of designed point and actual testing of the manufactory, the error is obtained

    首先,用所建立的發動機數學模型計算了發動機在設計點的各項性能,第二,根據發動機各部件的耦合特性參數計算得到發動機在非設計點狀態下的各項穩態性能,第三,分別設定限制高壓轉子速和低速逼近設計點條件下對應的參數,將計算得到的性能數據與設計點性能進行了比較,並將非設計點的計算結果與生產試車過程實測的性能數據進行對比,給出了該穩態模型計算結果與實際試車數據的誤差。
  17. Armatures coated by this machine will be characterized by its uniform thickness, smooth surface, excellent frontier covering feature, high insulated and surface quality

    經本設備塗敷的等工件塗層均勻,表面光潔,邊緣覆蓋率,可達到很好的耐性能和表面質量。
  18. The solution formula of dwell time is deduced by using the pulse iteration method and the smoothing fourier transition method, and the formula can be simplified referring to workpiece shape. according to the anastomotic status of the tool and workpiece surface, we present the new model of the inherent relation among local pressure density, removal rate, convergence ratio and residual errors, and the corresponding formulas are given. the forming cause of the edge effect in the polishing process is analyzed, and the means which reduces the edge effect is put forward

    2 、針對計算機控制光學表面成形( ccos )的加工方式、誤差收斂特點,研製了去除函數呈斯分佈的雙結構研拋模;採用脈沖迭代法、平滑因傅立葉變換法推導出駐留時間的演算法,求解過程中根據工件面形的特點作了各種形式的簡化;提出了工件表面和研拋模的吻合誤差與局部強、材料去除率、收斂比之間內在關系的數學模型,並推導出相應的計算公式;分析了邊緣效應產生的原因,在加工過程中採用相對力因對去除函數進行修正,可以消除邊緣效應的影響。
  19. The paper studied controlling rotor vibration with the super - elasticity of sma and sfd, set up the new equation of sys tern vibration according to the stress - strain curve of sma in super - elasticity state, used the nonlinear theory and the dynamic stability theory to study the vibration of rotor controlled by sma, discussed the stability condition of the system, obtained the relationship of system parameters when bifurcation was appeared, supposed a method that improves the stability of rotor system and restrains vibration amplitude though changing parameters, and finally validated the effect of restraining vibration of the improved system through emulation

    摘要研究利用形狀記憶合金的超彈性和擠油膜阻尼器控制振動,利用形狀記憶合金在超彈性狀態下的應力應變曲線,建立了新的系統振動方程,運用非線性理論和運動穩定性理論研究在形狀記憶合金控制下的振動狀態,討論了系統的穩定性條件,獲得系統發生分岔時系統參數之間的關系;並提出了通過改變參數來提系統穩定性和抑制振幅的方法,最後通過模擬驗證了改進后的系統振動抑制效果。
  20. On the other hand, for the pre - press stress being threw by the hub was inserted after cooling with liquid nitrogen, the poor transverse tension strength of the multi - ring flywheel rotor could be counteracted. so the rotate speed and energy storage density can be increased efficiently

    而採用多環套裝纏繞技術製造的多層飛輪輪環,在利用溫差過盈裝配方法給復合材料輪環施加預應力后,能夠有效避免飛輪的復合材料輪環部分因較低的纖維橫向抗拉強度而破壞失效,從而大幅度提飛輪的極限速和儲能密度。
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