電機數量 的英文怎麼說

中文拼音 [diànshǔliáng]
電機數量 英文
number of motors
  • : 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...
  • : machineengine
  • : 數副詞(屢次) frequently; repeatedly
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 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 ...
  • 數量 : quantity; quantum; amount; magnitude; number
  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,通過系統建模和字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種構用永磁無刷,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測轉速進行轉速閉環穩速控制的策略。
  2. That the earth has an iron - rich liquid core, sufficient energy to drive convection and a coriolis force to twist the convecting fluid are primary reasons why the geodynamo has sustained itself for billions of years

    地球擁有富含鐵的液態核心、有足夠的能驅動對流,並具有科氏力可使對流的流體扭轉,這些是地球發之所以能自我維持十億年的主要原因。
  3. The most important feather in this design is that the number of motors have controlled only in two and de - scend the motors on the base. ( one motor used for turn motion of the base, whereby maked the manipulator motion in throughout space. another motor used to drive the manus ) excepted for adopped synchronization bell which have light weight and accu - rate gear ratio to reliefed relatively the weight of manipulator ' s device

    在本設計中除了採用材質輕而又傳動比準確的同步帶傳動可以相對減輕手臂傳動構的重之外,最主要的特點足將電機數量控制在兩臺(一臺用於底座的回轉運動,從而實現械手在整個空間的運動;另一臺用於驅動手臂的運動)並將下置於底座。
  4. Not exceeding the number of servos rated for your specific bec

    使用舵超過了調的容
  5. Fire protection, and surveillabce works as follows : electrical : 22. 8kv ; 27, 800kva ; three loading centers located in the power house, factory, and office building ; generator 2 800kw

    氣: 22 . 8kv供設備容三處負載及配中心分佈於動力室與廠房發2800kw ,供緊急負載使用本配系統處使用字式驛及表,符臺現代化之力監控新潮流。
  6. Firstly, according to the detailed analysis on the mathematical model of pmsm, the principle of field oriented control ( foc ) is illustrated. spwm and svpwm are analyzed and contrasted in detail too, and the digital realization techniques based on dsp are given

    本文首先在分析永磁同步學模型的基礎上,闡述了永磁同步控制基本原理;對正弦波調制技術( spwm )和空間矢調制技術( svpwm )兩種脈寬調制策略進行了詳細的分析和對比研究,給出了基於dsp的字化實現方法。
  7. High efficiency and energy saving rare earth permanent magnet synchronous motor ( repmsm ) are importance approach to the problem that the cost of oil extraction in chinese oil fields is too high and pulling small car with big horse at large in driving electromotor in pumping unit

    我國油田採油成本高,油田抽油電機數量多、容大、年運行時間長、耗大,採油成本的60是費。國內外對抽油的節能都很重視,稀土永磁同步具有高效節能的特點,是解決這一問題的重要途徑。
  8. The contributions done are as follows : according to the mathematical model of doubly fed motor and the theory of vector control, a unit power factor of rotor control scheme is proposed. in the doubly fed adjustment system, in order to control magnetic torque of motor this scheme is designed by controlling the reverse direction between rotor voltage and current to keep the vertical direction between rotor current and flux. it is known from theoretical analysis that for partly decoupling this scheme is only effective under sub - synchronization speed, but not control the system and obtain steady state since speed adjustment system ca n ' t adjust the magnitude of rotor flux under sup - synchronization

    而傳統的無速度傳感器雙饋調速矢控制系統,由於採用磁鏈定向方法,在同步速附近存在較大的工作死區,針對上述問題,本文做了如下的研究工作:本文從雙饋學模型出發,根據矢控制的基本原理,提出了一種轉子側功率因為1的雙饋控制方案的設想,即在雙饋調速時採用轉子流定向的方法,並控制外加轉子壓與轉子流始終反相,以保持了轉子流與轉子磁鏈矢垂直,通過控制轉子流的大小來達到控制磁轉矩的要求。
  9. In rotor flux orientation control, rotor time constant t2 is a key issue of high performance vector control technology

    在轉子磁場定向異步控制系統中,正確的轉子時間常是高性能矢控制系統的關鍵。
  10. Based on the mathematical model of induction motor, this paper discusses the rotor - field - orientated control principium and the space vector pulse width modulation principle. subsequently the software design of svpwm is put forward

    本文在分析感應學模型的基礎上,詳細討論了轉子磁場定向矢控制理論和空間矢脈寬調制技術原理,提出了svpwm的軟體實現方法。
  11. In this paper, the theory of vector - control and corresponding mathematical model are addressed in great details. the strategy of rotor - flux - oriented vector control for acim is given

    本文首先在深入研究了矢控制理論和交流感應控制系統的學模型的基礎上建立了矢控制的基本方程。
  12. Based on the state space equations of acim, a simulation model of the control system of acim is designed by using matlab / simulink. the results of experimentation and simulation indicate that the method of rotor flux oriented vector - control for ac the induction motor is of good dynamic and stability performance. at the end of paper, the conclusion and further research expectation are presented

    為提高系統輸入端的功率因,減少注入網的諧波,本文根據矢控制的原理設計了基於功率因控制的交流感應控制的dsp試驗系統;並以感應狀態空間方程為基礎設計了在matlab / simulink環境下的感應模擬控制系統模擬模型。
  13. After the field - oriented control of three - phase pmsm drive system is introduce in brief, a mathematical model of multiphase pmsm, taking a six - phase pmsm with a dual - star winding for example, is derived by coordinates transformation and the control picture is designed

    本文以雙y移30六相永磁同步為例,在簡要介紹三相永磁同步控制的基礎上,通過坐標變換建立了多相永磁同步控制的學模型,並構建了控制圖。
  14. This discourse analyse the development and condition of compute - aid quality inspection system in civil and oversea, discuss the feasibility and necessity of air - condition electromotor ' s quality inspection system. making the methods of air - condition electromotor enterprise ' s quality inspection to be standard, and enhance the level and efficiency of electromotor enterprise ' s quality inspection. the major works of this theme have several aspects : 1

    本論文首先分析了計算輔助質信息系統在國內外的發展與現狀,並介紹了計算輔助質檢驗系統開發的基礎知識;其次對空調企業質檢驗進行了需求分析,論述了空調檢驗系統開發的可行性和必要性;最後著重研究開發了以計算據庫技術為基礎的空調計算輔助質檢驗系統。
  15. The physical environment includes the number and location of computers involved in replication and whether these computers are clients workstations, laptops, or handheld devices or servers

    實際環境包括復制中所涉及的計算和位置,以及這些計算是客戶端(工作站、便攜式腦或手持設備)還是服務器。
  16. Deeply study the theory of vector control on pmsm and build the mathematical model of pmsm. based on the model, the sensorless pmsm vector control speed adjustment is discussed. the control block diagram is provided

    論文深入研究了永磁同步的矢控制理論,建立了永磁同步學模型,並在此基礎上討論了永磁同步無位置傳感器矢控制調速方案,給出系統控制框圖。
  17. Furthermore, under the vector control strategy of stator field - orient, a vector control model will derive from the generator, which form a close control system with the generator model

    本文利用定子磁鏈定向的矢控制方法,將同步坐標系下的雙饋學模型簡化后得到矢控制系統的模型;矢控制模型與雙饋模型一起構成閉環控制系統。
  18. But dtc is a kind of the more advantageous control technology that places stress on controlling the torque of the motor directly, which overcomes the disadvantages of vc and brings the second natural fly - by of the speed regulation control theory of ac motor

    直接轉矩控制是一種更先進的控制技術,它不需要解耦學模型,強調對的轉矩進行直接控制,在很大程度上克服了矢控制的缺點,成為交流調速控制理論第二次質的飛躍。
  19. Based on analyzing the math model and running character of motor, this paper educes a method of estimating the real torque of motor by a way of energy conversion. by measuring the stator ' s current, voltage and the power factor of the motor, we can calculate the input power of the motor, and then we can get the electromagnetism power and the real electromagnetism torque

    本文在分析了學模型和運行特點的基礎上,通過測定子相壓和定子相流以及功率因角的方法,得出的輸入功率,並從轉換的基礎上,得到磁功率,由此得到的實際磁轉矩。
  20. Abstract : this artiele explores the main development direction of measuring tool products in our country adopting modern new techniques such a s electronic digital display and computer - aided measurement to develop capacitan ce - grate type electronic digital display measuring toois and realize the miniatu rization and intllectualizaton of the machinery - electronic integrated products

    文摘:探討了我國具產品的主要拓展方向是採用、計算輔助測等現代新技術拓展容柵式具,實現產品一體的小型化和智能化。
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