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variable speed constant frequency in Chinese

Pronunciation:
How to pronounce "variable speed constant frequency""variable speed constant frequency" in a sentence

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  • 變速恒頻

Examples

  • Variable speed constant frequency
    變速恒頻
  • Closed - loop control of matrix converter used for variable speed constant frequency supply system
    矩陣變換器在永磁交流伺服系統(tǒng)中的應用研究
  • Sliding mode control during variable speed constant frequency doubly - fed wind generator no - load connecting electric grid
    變速恒頻雙饋風力發(fā)電機空載并網滑模控制
  • By use of electronic inverter , variable speed constant frequency ( vscf ) electrical generating system converts variable frequency ac power from generator to constant frequency ac power
    變速恒頻電源系統(tǒng)是通過電子變換器將發(fā)電機輸出的變頻交流電轉換成為飛機用電設備所需的恒頻交流電。
  • The characteristics of wind turbine generators as well as features of the fixed pitch wind turbine generator and the variable pitch wind turbine generator are presented , emphasizing on the variable speed constant frequency ( vscf ) generating system based on doubly - fed generators and on the control system for pitch angles
    在簡述風力機特性的基礎上，介紹了定槳距和變槳距發(fā)電機組的特點，重點分析了基于雙饋發(fā)電機的變速恒頻發(fā)電系統(tǒng)及槳葉節(jié)距角控制系統(tǒng)。
  • Today , mw wind generators substitute 600kw generators gradually and become the popular units of international market of wind power generation . the trends of units are variable speed constant frequency and large - scale and pitch control . there are many different generators which are variable speed constant frequency generator . in this paper the unit is fully - fed magnet wind turbine generator . the magnet wind turbine generator grid - connected inverter is the key component of connected system . the main function of this component is inverting the dc to three - level volage and connecting the electric net
    實現(xiàn)變速恒頻發(fā)電的方法眾多,本文研究的是較常用的一種方案。該方案采用直驅永磁風力發(fā)電機通過變頻器直接連接到電網。永磁風力發(fā)電機并網逆變器是并網發(fā)電系統(tǒng)的核心部分,其主要功能是將經過整流、斬波升壓后的直流電逆變成三相交流電,并送入電網,實現(xiàn)并網。
  • Recently , the renewable energy such as wind power have been strongly encouraged because of environmental problem and shortage of traditional energy sources in the near future . based on the tradional consrant speed constant frequency wind energy generation , this paper has a focus on the variable speed constant frequency wind energy convertion technonogy which using direct drive permanent magnet synchnonous generator and theory analysis and simulation are carried out in detail
    當今對可再生能源的開發(fā)利用中,風能由于其突出的優(yōu)點而成為研究的熱點,風力發(fā)電是我國能源和電力可持續(xù)發(fā)展戰(zhàn)略的最現(xiàn)實選擇。目前各種風力發(fā)電技術的發(fā)展方興未艾,而其中變速恒頻風力發(fā)電技術因其高效性和實用性正受到越來越多的重視。
  • Just based on the two points mentioned above , a control system of doubly - fed variable speed constant frequency ( vscf ) wind power generator based on 8xc196mc is designed in this paper , which can smoothly transform between the different operational modes from sub - synchronous speed to synchronous speed and to super - synchronous speed
    正是基于上述兩個出發(fā)點，本文設計了一臺基于8xc196mc單片機的2 . 8kw變速恒頻雙饋風能發(fā)電控制系統(tǒng)。主電路中變流器的設計可使該系統(tǒng)能工作于亞同步速、同步速及超同步速三種運行狀態(tài)，并具有能量雙向流動的特點。
  • Electronic inverter is widely used in variable speed constant frequency ( vscf ) electrical system , ups , and other kinds of power supplies . with the continuous development of pwm control strategy and digital signal processing technology , the method of the pwm control incline to digital control and then the pwm technique plays more and more important role on the dc - ac inverter control
    逆變器在飛機變速恒頻電源、 ups以及其他電源中具有很廣泛的用途，隨著pwm控制策略以及數(shù)字信號處理技術的不斷發(fā)展，數(shù)字控制在逆變器控制方案中的價值也日益凸現(xiàn)。
  • This paper is based on " mw variable speed constant frequency " . it has the design and the computation on hydraulic system of wind turbine . it realizes the automatic paint for hydraulic system by the autolisp language in autocad
    本文以沈陽工業(yè)大學風能研究所正在進行的國家863項目“兆瓦級變速恒頻風電機組”為基礎，對兆瓦級風力發(fā)電機的液壓系統(tǒng)部分進行了設計計算，并通過autocad的內嵌語言autolisp ，實現(xiàn)了兆瓦級風力機液壓系統(tǒng)中變距液壓缸部分的參數(shù)化自動繪圖。
  • More examples：  1  2
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