grid pitch 中文意思是什麼

grid pitch 解釋
柵格間距
  • grid : n 1 格子，格柵。2 （蓄電池的）鉛板。3 【無線電】柵級。4 鐵道網；【電學】電力網；〈英國〉（全國）...
  • pitch : n 1 瀝青；含有瀝青的物質；松脂，樹脂。2 人工合成瀝青；人造樹脂。vt 用瀝青塗。vt 1 扔，投，拋，擲...
  1. Benefited from the ceaseless development of information technology and control technique, research on grid - connected wind power generation has been in fast progress, with commercial application from several kilowatts up to more than one megawatts per unit, and category of controls from stall type to pitch regulation type up to the state - of - the - art varying speed type

    隨著計算機與自動控制技術的飛速發展，風力發電技術的發展極為迅速，其單機容量從最初的數十千瓦級發展到最近進入市場的兆瓦級機組；控制方式從基本的定槳距失速型控制向變槳距控制直到最新的變速控制發展。
  2. Mechanical standardization of semiconductor devices - part 6 - 5 : general rules for the preparation of outline drawings of surface mounted semiconductor device packages ; design guide for fine - pitch ball grid array

    半導體器件的機械標準化.第6 - 5部分:表面安裝半導體器件外殼外形圖繪制的一般規則.小螺距刃片柵格排列的設計指南
  3. Mechanical standardization of semiconductor devices - part 6 - 6 : general rules for the preparation of outline drawings of surface mounted semiconductor device packages ; design guide for fine pitch land grid array

    半導體器件的機械標準化.第6 - 6部分:平面式安裝半導體器件外殼外形圖繪制的一般規則.小螺距刃片柵格排列的設計指南
  4. Mechanical standardization of semiconductor devices - part 6 - 6 : general rules for the preparation of outline drawings of surface mounted semiconductor device packages - design guide for fine pitch land grid array

    半導體器件的機械標準化.第6 - 6部分:半導體器件包裝用表面安裝略圖制備的一般規則.小螺距刃片柵格排列的設計指南
  5. Mechanical standardization of semiconductor devices - part 6 - 12 : general rules for the preparation of outline drawings of surface mounted semiconductor device packages - design guide for fine - pitch grid array - rectangular type

    半導體裝置的機械標準化.第6 - 12部分:表面安裝半導體裝置外形圖繪制的一般規則.小節距柵極矩陣列的設計指南.矩形
  6. Mechanical standardization of semiconductor devices - part 6 - 12 : general rules for the preparation of outline drawings of surface mounted semiconductor device packages ; design guide for fine - pitch land grid array ; rectangular type

    半導體器件的機械標準化.第6 - 12部分:表面安裝半導體器件封裝外形圖繪制的一般規則.小節距柵極矩陣列的設計指南
  7. Fbga fine - pitch ball grid array

    精細傾斜球狀網陣排列
  8. Flga. mechanical standardization of semiconductor devices - general rules for the preparation of outline drawings of surface mounted semiconductor device packages - design guide for fine - pitch land grid array - rectangular type

    半導體裝置的機械標準化.表面安裝的半導體器件封裝圖形圖繪制的一般規則.細微間距柵級陣列
  9. Mechanical standardization of semiconductor devices - part 6 - 5 : general rules for the preparation of outline drawings of surface mounted semiconductor device packages - design guide for fine - pitch ball grid array

    半導體器件的機械標準化.第6 - 5部分:半導體器件包裝用表面安裝略圖制備的一般規則.小螺距球面柵格排列的設計指南
  10. First, variable speed constant frequency wind energy convertion theory is described in this paper, then presents a review on the development of wind turbines control and the main types of generator and static converters used to interface variable speed wind turbines to the electric grid. then discuss main circuit constructure and advantage of direct drive wind energy conversion system and introduce pitch - control method for wind power traction and electric power stability. simply aerodynamic characteristic of the turbine is analysised and permanent magnet synchnonous generator math model is established. to convert the variable frequency electricity into utility grid, back to back four - quadrant pwm - vsi is used and three typies of control strategy is presented to capture the maximum wind energy and transmit energy. then simulation is implemented to test the control strategy. in the following chapter a simple ac - dc - ac converter with a dc - dc boosting chopper is proposed to transmit the wind energy into electricity energy and two control strategy is presented

    建立了永磁電機和變流器的數學模型，針對雙pwm變頻器的特點提出了三種控制策略對變流器進行控制，通過變流器交-直-交的變換，將發電機發出的變頻變幅值交流電轉化為可用的恆定頻率的交流電，通過pwm調治能使其輸出功率因數為一，並且該控制系統功率因數為可調，能在特殊情況下同電網交換一定的無功功率，並通過對變流器的控制實現了最大風能俘獲的功能。最後採用matlab / simulink進行了模擬，取得了良好的模擬效果。在風力發電系統中，採用先進的最大功率俘獲演算法，能有效的從風中獲得最大的能量。
  11. Flag. mechanical standardization of semiconductor devices - general rules for the preparation of outline drawings of surface mounted semiconductor device packages - design guide for fine pitch land grid array - proposed amendment on terminology

    半導體器件的機械標準化.表面安裝半導體器件封裝外形圖繪制的一般規則.小爆距紋間表面網格陣列
  12. 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

    實現變速恆頻發電的方法眾多，本文研究的是較常用的一種方案。該方案採用直驅永磁風力發電機通過變頻器直接連接到電網。永磁風力發電機並網逆變器是並網發電系統的核心部分，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，並送入電網，實現並網。
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