槳距 的英文怎麼說

中文拼音 [jiǎng]
槳距 英文
[航空] pitch; propeller pitch; blade pitch槳距角 propeller pitch angle; 槳距控制 blade pitch control; 槳距調節(機構) pitch control; 槳距調整 pitch setting; 槳距自動調整裝置 autocoarse pitch
  • : 名詞1. (劃船用具) oar; paddle 2. (螺旋槳) propeller
  • : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
  1. Airscrew pitch measuring

    螺旋槳距測量
  2. Pid control in adjustable - pitch wind turbine system based on bp neural network

    槳距風電機組控制
  3. The main task of the paper is to control a major variable pitch wind turbine generator with intelligent controller so as to make it run well

    本論文是用智能控制器來實現大型變槳距風力發電機的電控系統。
  4. Based on 1mw wind turbine design, this paper offers one reasonable variable - pitch structure, which can response quickly and operate conveniently

    本文按照1mw風電機組總體方案要求,設計出一種結構合理,反應靈敏、操作方便的變槳距機構。
  5. According to the effect of variable - pitch system, we can divide the operation process into three states : starting, below rated power and rated power

    槳距風力發電機組根據變槳距系統所起的作用可分為三種運行狀態,即風力發電機組的起動狀態、欠功率狀態和額定功率狀態。
  6. The control parameters influenced the loads of the stall wind turbine small. but it will be bigger to the variable pitch wind turbine and the variable speed wind turbine

    對于bladedforwindows軟體,定槳距失速調節型風力發電機組控制參數的輸入量比較少,對機組載荷的影響也比較小。
  7. The two schemes those are the hydraulic control and the electromotor control of the pitch - controlled system were developed and a high pressure redundancy electro - hydraulic proportional pitch - controlled design was put forward

    具體設計了變槳距機構液壓控制方案和電機控制方案,並提出了高油壓冗餘式電液比例變槳距機構的設計思路。
  8. Based on research of wind turbine aerodynamic characteristics, this paper analyzed various control methods for a pitch - controlled system of variable - speed and constant - frequency wind turbine at a wind velocity range higher or lower its speed rating respectively

    摘要在風力機空氣動力學特性分析的基礎上,討論了變速恆頻風力機組變槳距機構在低於額定風速階段和高於額定風速階段的不同控制策略。
  9. Compared with fix - pitch wind turbine, the variable - pitch wind turbine has the virtue : stable output power over rated power, high wind power coefficient, holding rated power at high wind speed, good starting and shut - off etc.

    槳距風力發電機組與定槳距風力發電機組相比,在額定功率點以上輸出功率平穩、具有較高的風能利用系數、能夠確保高風速段的額定功率、起動性能與制動性能好等特點。
  10. The paper studies the pitch - regulated structure and stand - alone control system about mw wind turbine group. the background of the paper is " mw variable - speed constant - frequency wind turbine group ( no. 2001aa512022 ) ", which is supported by national 863 plan

    本文以國家863計劃《兆瓦級變速恆頻風電機組》 (課題編號: 2001aa512022 )為背景,主要研究了兆瓦級風電機組的變槳距機構及其單機控制系統。
  11. 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電機組的特點,重點分析了基於雙饋發電機的變速恆頻發電系統及葉節角控制系統。
  12. The result of computer and analysis based on blade elements theory shows us that we can regulate the rotate speed of wind turbine rotor by changing set angle and pitch h. variable - pitch system is the key component of the whole wind turbine, which can assure safely pitch - control and brake

    本文利用葉素理論,經計算分析得出:通過改變風力機安裝角可以改變槳距h ,從而改變風力機的轉速。變機構是變槳距控制型風電機組實現變控制和安全剎車的關鍵機構之一,它的運動由平動和轉動兩部分組成。
  13. 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。
  14. He finds the pitch range after calculated the three important parameters through the bladed for windows software, then presents an optimized control strategy that regulate the pitch angle in terms of the wind speed. it must control the output power because the variational output power brings the variational loads. he confirms and optimizes the control strategy that the output power is the control target, the output power is divided into three parts

    將功率作為系統控制的目標,將功率分成三段進行控制,在低風速區,載荷是有限的,以功率最大化作為控制目標;在額定風速附近,由於處在升力曲線斜率的變化點,功率變化較大,應盡快調整槳距角進入失速區工作,減少載荷的波動,該額定風速區的上下工作點要通過現場試驗的手段來確定;在額定風速以上,使功率維持在額定輸出,減少功率波動,並通過bladed軟體的模擬計算對控制策略進行了驗證。
  15. Finally, the experiments on the rotor bvi noise are conducted both in an aeroacoustic laboratory and at outdoors, and the noise characteristics at different locations are measured on different blade - tip mach numbers, collective pitch angles and rotor configurations. based on the experimental results, some new conclusions are presented

    本文第七章分別在「消聲室」和外場進行了模型旋翼的-渦干擾噪聲實驗,對不同馬赫數、不同槳距角以及不同旋翼布置情況下的不同測點進行了噪聲測量,得出了一些新的結論。
  16. Drive, pull - through

    槳距
  17. Drive pull - through

    槳距
  18. The control system of wind turbine includes individual control and group control. according to the control process and main technical parameter, the paper accomplishes the control system structure design and input - output system design. this paper also deeply analyzes the operation principle of the whole control system and the relation between each part in order to realize the no - person automatic operate

    本文以1mw變槳距風電機組為研究對象,根據其主要技術參數及控制工作過程,對其單機控制系統的構成進行了設計,闡述了輸入輸出介面和各個控制環節的運行原理及其相互之間的聯系與約束關系,從而實現在無人值守的條件下,實現多種預定的控制目標,並在此基礎上探討其更廣泛的適應性及實用性。
  19. Second, the paper introduces the modeling of the major variable pitch wind turbine generator in detail and presents the simulink result of the major variable pitch wind turbine generator without controller. third, in the third chapter the paper puts forward a control tactics of the major variable pitch wind turbine generator. for comparing conveniently with the neural networks controller and the fuzzy controller that have been designed in the later chapters, this paper gives the simulink result of the major variable pitch wind turbine generator with pid controller in brief

    首先,簡單地介紹了控制理論、神經網路和模糊控制的發展概況以及風力發電機的現狀;其次,詳細地介紹了大型變槳距風力發電機的模型的建立,並給出了風力發電機系統的開環模擬結果;接著,在第三章提出了大型變槳距風力發電機的控制策略,為了便於和後面設計出的神經網路控制器和模糊控制器相比較,本論文還簡要地作出了pid控制器的模擬結果;然後,分別設計出了神經網路控制器和模糊控制器並模擬出了令人滿意的結果。
  20. With the continuous enlargement in capacity of a wind - power generator, the efficiency improvement of electric power generation had been become more and more important. the variable - speed constant - frequency ( vscf ) power generation, which is served to reach maximum wind - energy capturing and utilization for a variable blade - pitch wind - turbine, is the studying hot - spot of the wind - power generation technique at present

    隨著風力機組單機容量的不斷增大,提高發電效率已是風力發電研究的重要內容。採用變槳距風力機實現最大風能捕獲和利用的變速恆頻發電已成為當前風電技術的研究熱點。
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