double-fed 中文意思是什麼

double-fed 解釋
雙饋的
  • double : adj 1 兩倍的，加倍的。2 雙的，二重的，雙重的；對，雙，兩，復。3 雙人用的；折疊式的。4 （意義）雙...
  • fed : feed 的過去式及過去分詞。 upness1 過飽吃飽。2 極度厭倦。n 〈美俚，常作 F 〉聯邦調查局人員；聯邦政...
  1. Speed mode control of variable - speed constant - frequency wind energy generation system with double fed induction generator

    變速恆頻雙饋風力發電系統的速度模式控制
  2. A setback at the double fed running test has been understood not as a problem but a signaling for the indispensable study on the control strategy and system of doubly fed operation

    對測試過程中雙饋運行的分析，表明了雙饋控制策略和控制系統的重要性。
  3. Thus, objective of this project is to improve the functionality and efficiency, and mitigate the drawbacks of a variable speed generation system or asg ( adjustable speed generator ) in conjunction with a dfig ( double fed induction generator ), which is frequently named as variable - speed / constant frequency ( vscf ) generation system

    本文的研究目的是改進雙饋電機變速發電系統或變速驅動系統的的功能和效率，減輕系統缺陷所帶來的危害。雙饋電機變速發電系統通常又稱為變速恆頻發電系統（ vscf - variablespeedconstantfrequency ） 。
  4. Modeling and simulation of brushless double - fed machine based on matlab

    的無刷雙饋電機建模與模擬
  5. Double - fed repulsion motor

    雙饋推斥電動機
  6. Materials are fed forcibly by double screws

    雙螺桿強制喂料，喂料均勻、范圍廣。
  7. Mathematical model of double - fed motor and applications

    雙饋電機數學模型及其應用
  8. Robust h control for double - fed induction motor

    雙饋電機氣隙磁場定向矢量控制調速系統的研究
  9. Study on emulation model of the s function for double - fed electric motors

    無刷雙饋電機電動狀態下的能量分析
  10. Firstly a microstrip - fed microstrip patch antenna has been emulated and validated. on the base of this, the multi - band property of sierpinski equilateral triangle and squareness microstrip fractal patch antennas are carefully studied, and the effect of antenna ' s property by the permittivity, the size of patch, the order of the fractal and the decrease of fractal patches is depicted ; secondly on the base of analysis and comparison of performance of microstrip - fed semicircle and rectangle double - band microstrip patch antennas, warranty of dimension curtailment is offered ; finally expansion of band of those antennas above is discussed

    在此基礎上，著重分析了微帶線耦合饋電的sierpinski等邊三角形微帶分形貼片天線以及sierpinski方形微帶分形貼片天線的多頻特性，給出了介質參數、貼片尺寸、分形的階數以及減少分形貼片數對微帶線耦合饋電的sierpinki等邊三角和sierpinski方形微帶分形貼片天線特性的影響；其次基於微帶線耦合饋電的半圓雙頻微帶貼片天線和矩形雙頻微帶貼片天線的性能分析和比較，提供了尺寸縮減的依據；最後對以上天線的頻帶擴展進行了探論。
  11. There are several advanced functions in control system of fed driving based on fpga. the special al875 can support multi - display format from qvga 、 vga 、 svga to xga in the digital rgb graphics and video frequency. using vga interface and d / a conversion technology, it can monitor data signal and control signal real time. the control of buffer storage carry out seamless link by double frame memory refurbish. osd can control menu and text to adjust state by double display

    完成的基於fpga的新型fed驅動控制系統具有幾種先進的功能:採用專用於rgb圖形/視頻信號數字化的al875晶元，可以支持從qvga 、 vga 、 svga到xga的多種解析度的顯示格式;採用vga介面技術和d / a轉換技術，用於實時監控整個系統中的圖像數據信號和控制信號;採用乒乓刷新控制機制對緩存進行控制，實現數據讀寫操作的無縫連接;採用osd在屏顯示單元，實現控制菜單、文本在屏幕上的疊加顯示。
  12. The paper gives the vector control speed system of the double - fed machine on the rotor current orientation

    在進行定子磁場定向後，保持轉子電流與定子磁鏈相垂直，進行轉子電流定向。
  13. Firstly, it presents the principle of vscf wind power, and compares the const - speed const - frequency ( cscf ) and vscf. also it builds the mathematic model of all section of vscf double - fed wind power generation system on two - phase synchronous rotation coordinate. secondly, the thesis gives the characteristic of torque and the steady - state analysis of vscf double - fed generator

    文中介紹了變速恆頻風力發電的原理，比較了恆速恆頻和變速恆頻的區別，給出了雙饋型變速恆頻風力發電機在二相同步旋轉坐標系下的數學模型以及風力發電系統其它各部分的數學模型。
  14. Safety of woodworking machines - tenoning machines - double end tenoning and or profiling machines fed by chain or chains

    木工機械的安全.開榫機.鏈式送料兩端開榫機和或仿形機床
  15. Steady performance calculation of double - fed motor at different speed

    雙饋電機不同運行速度情況下穩態性能的計算
  16. Mathematical model and steady state performance analysis of double - fed machine

    雙饋電機數學模型及其穩態性能分析
  17. The thesis mostly studies the way of control and analysis the character of vscf double - fed wind power system

    本文主要研究雙饋型變速恆頻風力發電系統的控制手段及其特性的分析。
  18. Using the s function of matlab the paper presents the simulation model of the double - fed machine and analyses the startup character of the double - fed machine

    用matlab的s函數建立雙饋電機模擬模型，對雙饋電機起動性能進行分析。
  19. From the basic principle of the double - fed machine the paper analyses the character of the speed system. by the vector control and the coordinate transformation, we present the mathematical model on the synchronous coordinate

    從雙饋電機的基本工作原理出發，分析雙饋電機調速的特點，引入矢量控制技術，進行坐標變換，得出雙饋電機同步坐標繫上的數學模型。
  20. The dynamic performance of vscf double - fed wind power system is discussed. it is shown that vscf double - fed wind power system with stator field - oriented vector control has good performance

    並且採用定子磁場定向的矢量控制方法實現對風力發電機的控制，分析了雙饋型變速恆頻風力發電系統的動態特性。
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