直牽引力 的英文怎麼說

中文拼音 [zhíqiānyǐnlì]
直牽引力 英文
directional pull
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 牽 : Ⅰ動詞1 （拉） lead along （by holding the hand the halter etc ）; pull 2 （牽涉） involve; implic...
  • 引 : Ⅰ動詞1 （牽引; 拉） draw; stretch 2 （引導） lead; guide 3 （離開） leave 4 （伸著） stretch 5 （...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  1. Electric traction ; overvoltage suppressors in d. c. circuits

    電力牽引.直流電路中過電壓抑制器
  2. Proceedings in the case of interference on telecommunication ; installations by electric power installations ; interference by d. c. traction systems

    電力設備干擾通信設備的應對措施.第4部分:直流電牽引
  3. 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。
  4. But it is very late to develop this kind of protection and there is no manufacturer which has the ability to make it in china, so developing the dc feeder protection of subway is needed

    而我國直流牽引系統保護的研製與開發起步較晚，目前還沒有一個生產廠家具有開發和生產能力，為跟上時代的步伐，在我國研製成熟的直流保護已勢在必行。
  5. New technology on china " s railway traction is experiencing changing periods from internal - combustion traction to electrical traction and from dc drive to ac drive, which make it possible for the railway enterprises to face pportunities and challenges. it " s up to these enterprises to take the initiative in making development while producing electric driver of locomotives

    我國鐵路牽引技術正處于由內燃牽引向電力牽引、由直流傳動向交流傳動轉換的時期；使配套生產機車電傳動裝置的鐵路電機企業的新產品開發面臨著機遇和挑戰。
  6. Voltage ratings of d. c electric traction system

    直流電力牽引額定電壓
  7. Company development and production of products mainly include : industrial control and monitoring, dc converter, exchange converter, permanent magnet motor, power generation electronic control system, various industrial control module, railway traction systems and urban transport systems

    公司研發及生產的產品主要有：工業控制及監測、直流變流器、交流變流器、永磁電機、電力發電電控系統、各種工業控制模塊、鐵路牽引系統和城市交通系統等。
  8. The principle of ac - dc - ac locomotive is that transformer transforms the high single - phase ac voltage from contact system to lower ac voltage first, then rectifier transforms this ac voltage to steady dc voltage, finally converter transforms this dc voltage to three - phase vfvv ac voltage as the voltage source for asynchronous machine

    交?直?交型電力機車系統的原理是：先將從接觸網獲得的單相交流高電壓經變壓器降壓后，再經整流器變換為平穩的直流電壓，直流電壓經逆變器變換為三相交流電壓，供給機車輪對上的牽引電機。
  9. The logic control principle by locomotive computer and its control logic process are introduced. the control system for the electronic fuel injection of diesel engine on this locomotive has been introduced. the emphases is put on the way to realize the constant power control for the diesel engine by the electronic fuel injection system, and how to transfer the auxiliary power of the locomotive and how to modify the locomotive tractive effort to compensate its temperature swing as the calculation result of the tractive effort by direct torque control is dependent on the temperature

    論文第6章深入研究了機車微機控制系統的工作原理、控制流程，介紹了機車微機實現邏輯控制的方式及控制邏輯關系；介紹了柴油機電子噴射控制技術在本機車上的實現方式，重點研究了電子噴射控制系統西南交通大學碩士研究生學位論文第11頁如何進行柴油機的恆功率控制，以實現機車的輔助功率轉移，並對機車牽引力進行修正，以彌補直接力矩控制所產生的牽引力隨溫度而變化的問題。
  10. Research on lim thrust, efficiency and control scheme is made to conclude some measures of improving lim performance. and the electromagnetism resistance in maglev traffic is discussed in order to see the interaction mechanism of electromagnetism. firstly, the characters of lim are analyzed by simulation

    本文圍繞直線感應電機牽引系統的性能展開研究，其中涉及了直線牽引過程中的推力、效率、控制方法以及磁浮交通中的電磁阻力等問題，為提升直線牽引系統性能及明確電磁作用機理提供了參考。
  11. This paper covers key problems in design of the chain conveyor with trolleys being able to travel back automatically and vertically and their spacing adjustable, including chain tension calculation, trolley passing ability and interference when traveling back automatically and vertically, rail slope, etc

    摘要對臺車間距可調及自動垂直返回鏈式輸送機設計中的關鍵計算，如牽引鏈條最大張力計算、臺車垂直自動返回的通過性及干涉性、坡降曲線、前臺車滑塊裝置行程計算等作了細致分析並導出了公式。
  12. Now it has been used in many fields, such as transportation, aeronautics, electronic household appliances and industries. the modelization and simulation of srd, pseud - sliding mode control ( psm ) and the driver system based on dsp tms320lf2407a are studied in this thesis. the main tasks include : the nonlinear model of the srd is established, the control methods such as pwm is emulated and analyzed

    開關磁阻電機調速系統（ srd ）將開關磁阻電機，現代電力電子變換技術以及控制技術結合為一體，兼有異步機變頻調速系統和直流電機調速系統的優點，目前已應用於牽引運輸、航空航天、家用電器、通用工業等各個領域內，具有廣泛的應用前景和強大的市場生命力。
  13. State of railway vehicles - brake - part 11 : function and tightness of the brake for direct braking on powered traction unit and indirect braking on connected vehicles

    鐵路車輛的狀況.制動器.第11部分:動力牽引裝置上直接
  14. In order to study the vibration in the artillery traveling more accurately and completely, a tire force model of non - linear and self - adapting stochastic contacting mark is set up, and this model provides a good method to study the driving system ' s horizontal and vertical excitation caused by the plainness road surface. the suspension of the tractor is simplified by the model of spring - damp system, and the artillery torque rod is also simplified by torsion spring

    為了更準確和全面地研究火炮牽引行駛過程中出現的振動，建立了非線性自適應隨機接地印跡的輪胎力學模型，該模型能很好地研究路面不平度對火炮牽引系統的垂直和縱向激勵；牽引車懸架簡化為彈簧阻尼系統；火炮扭轉桿簡化為扭簧。
  15. Once the force between wheel and track surpasses the biggest adhesive power that the track ’ s permission, it will bring the idle turn and slide of wheels and the vehicles can ’ t be droved or braked. therefore the traditional metro system is a kind of driving type that is restricted with the track adherence

    由直線感應電動機驅動的線性地鐵是目前發展比較快的城市軌道交通工具之一，其牽引力不再受到輪軌黏著的限制，而是靠直線電機初級與次級之間的電磁推力驅動運行。
  16. This thesis demonstrates a " ac - dc - ac locomotive emulation experiment platform " system, which is used to simulate behaving environment of locomotive system in several control circumstance and obtain kinds of performance parameters, so it contributes to the design of locomotive. to user - computer interaction, this thesis devises corresponding graphical user interfaces, so users can configure various modules " and controllers / parameters with knowing little about the details of this emulation system

    本論文擬構造「交?直?交型電力機車模擬試驗臺」一系統，模擬電力機車系統在各種控制條件下（如牽引、制動等）的運作情況，觀測各種性能指標參數（如變壓器一次側電壓/電流/功率因數、牽引電機電壓/電流、牽引力、機車速度等） ，這對于電力機車的設計和運行具有一定的指導意義。
  17. The mechanism of physical damage of carbon fibers was clarified firstly. the precursor which attached on carbon fibers changes to inorganic ceramic under high temperature with large volume shrinkage which appearing at cracks with fiber traction and the cracks are mainly vertical to fiber axis. because of mismatched coefficients of thermal expansion, carbon fibers suffer multiple thermal stresses and are damaged

    首次探明了碳纖維熱應力物理損傷機制，即碳纖維表面附著的先驅體在高溫下無機化形成陶瓷體，同時伴隨著大的體積收縮，在碳纖維的牽引下，基體的體積收縮以開裂形式出現，裂紋的取向以垂直於纖維軸向為主，由於碳纖維與基體熱膨脹系數失配，致使碳纖維在降溫過程中受到復雜熱應力，引起碳纖維損傷。
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