最大輸出量 的英文怎麼說
中文拼音 [zuìdàshūchūliáng]
最大輸出量
英文
maximal output- 最 : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
- 輸 : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 輸出 : 1 (從內部送到外部) export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
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The discharging capacity of single aluminum / air battery was over 40ah with 4a, and the output power of aluminum / air battery pack was as high as 110w
鋁空氣單電池,恆流4a放電,放電容量超過40ah ;鋁空氣電池組的最大輸出功率超過110瓦。Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle
流體噪聲主要來源於輸出流量脈動,造成輸出流量脈動的主要原因是閉死容積在大圓弧段壓力切換時產生的瞬時高壓迴流,在配流盤上開設v型尖槽可降低因高壓迴流而引起的流體噪聲,本文以截流作用和液體的可壓縮性為理論依據,以matlab語言為工具,對原配流盤上的v型尖槽進行了理論計算,繪制出p - t圖線,分析了它的不足,並對原有v型尖槽進行了優化設計,得出了v型尖槽的最佳幾何尺寸:配流盤平面上的v型尖槽的兩邊的夾角為12 . 3 ,槽長5mm ,槽的橫截面為等邊三角形。Secondly, output powers are measured in the different wind velocity or the direction angle or angle speed for mechanics model. the optimal angle of the direction is determined. that is to say, output power is the maximum in this direction angle
其次,通過對風力發電機模型在不同風速、不同方向角、不同角速度的情況下輸出功率的測量,得出最佳方向角,即在該方向角處輸出功率最大。In order to obtain the maximum conversion efficiency we always hope the pump source is operated at the maximum level, thus to raise the input pump energy, we have to apply the galilean telescope to input the pump beam, but it will lead to the bad pump beam quality and the large output beam linewidth
為了獲得最大轉換效率總希望使泵浦源運轉在可達到的最高水平,因此不得不採用伽利略壓縮望遠鏡輸人泵浦光以提高輸人泵浦光的能量,但是這同時使泵浦光質量變壞,使得輸出線寬變大。The power ’ s quality is decided in the system performance, the amplifier has 4 groups ’ power sources, input 220v through the filter, the transformer transformation, the full - wave rectification, finally through manostat leveling off voltage, after the electric capacity filter outputs
電源質量的好壞是決定系統性能的一個重要因素,放大器共4路電源,輸入220v通過型濾波,變壓器變壓,全波整流,最後通過三端穩壓器穩壓,電容濾波后輸出。This paper is to analyze the fact that the scale of coastal ports is becoming larger and larger and that the increase of coal transportation has already demand the better equipments in coal harbors and shipping quality, to forecast the consumption of coal transportation in the future and to point out the developing trend of coal transportation. the paper uses the method of determining the nature and quantity. the sea coal quantity is forecast by using the detailed transportation in different coastal harbors it evaluates the capacity of different harbors by contrasting true transportation with the deigned capacity
本項研究採用了定量和定性相結合的方法:煤炭運輸的未來需求主要是應用現有港口吞吐量數據進行預測;對現在港口設施的利用情況以及港口的煤炭通過能力也根據碼頭泊位與實際通過量的對比作以定量分析,文中還大量的運用了系統方法和原理,對我國煤炭運輸的現狀及其市場的發展進行了詳細闡述,最終提出了解決現有不足的對策。On the other hand, swain also claimed in the output hypothesis that as learners reflect upon their own target language uses, their output serves a metalinguistic function, enabling them to control and internalize linguistic knowledge
寫作對閱讀有巨大的促動作用。 swain在其「輸出假說」理論中認為,必須經過大量的語言實踐活動,才能內化輸入的語言,最後達到習得語言的目的。According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d
本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed
論文首先分析了風機運行特性及其最佳風能利用原理,通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性,並給出了模擬系統的硬體結構;然後為了實現交流勵磁發電機有功、無功功率獨立調節機理,分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略;針對雙饋發電機轉子能量雙向流動的要求,提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器;最後為實現從理論到實踐的全面研究,研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統,進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。By use of g. d. shen ' s tunneling cascade theory we have fabricated high performance and high power tunneling cascade ingaas / gaas / algaas 950nm / 990nm double wavelength strained quantum well lasers on the basis of former tunneling cascade high power lasers and high brightness light emitting diodes. the lasers " two peak wavelength are 95 ? nm and 990 ? nm. el spectrum ' s fwhm is 3nm
在以往隧道級聯大功率應變量子阱激光器及高亮度發光管的理論研究與實驗的基礎之上,採用沈光地教授提出的隧道級聯思想,成功研製出基於ingaas gaas algaas材料的高性能大功率隧道級聯950nm及990nm雙波長應變量子阱激光器,激射波長分別為952 2nm和990 2nm , el譜的譜線寬度約3nm ,未鍍膜器件單面最大輸出光功率可達2w以上,閾值電流最低達120ma 。The propose method performs ranking of the contingencies using a severity index based on the incremental reactive power losses and of sensitiveness between the base case and contingency base. based on the ranking, a short list of contingencies is to be selected for full simulation
為了減少計算量對預想事故進行了排序、選擇出便於最大輸電能力求解的集合,為此提出了無功損耗增量指標和l / p _ ( ij )靈敏度指標的排序方法。Under the environment of power market, large amount of power wheeling and transmission contracts are frequently trading. it has put forward new technical problems to need be solved immediately how to calculate accurately and improve the total transfer capability ( ttc ) of transmission network
電力市場環境下,大量出現的電力轉運及電網中頻繁出現的輸電交易使得準確計算及提高輸電網的最大輸電能力( ttc )成為亟待解決的技術問題。In this paper, a method to evaluate hardware performance of laser detection system with the array signal estimation is proposed. and the optimally weight vector of array signal can be acquired by the doa estimating of received signals. in order to acquire the maximum output power of expected signals, summation of weight vector is applied
提出用陣列信號源的估計來判斷激光檢測系統硬體性能;用接收信號波達角的估計得出陣列信號最佳權向量;用權向量的加權求和獲取期望信號的最大輸出功率,同時基於davidl . donoho軟閾值理論,進行多層小波降噪,重構原始路面信號。Experimental sample dct375 with collector - combed structure has better parameter such as icm, pq, pd and / r etc. than traditional - structure devices and overseas devices of the same kind. collector - combed structure technology opens up a new way for the further research of new high - frequency, microwave power devices
研製出的梳狀集電結(基區)結構試驗管dct375 ,其最大電流容量、最大輸出功率、最大耗散功率以及頻率特性等電參數明顯比傳統結構器件和國外同類產品有大的提高。In the simulation experiment, the whole system model is founded by the software matlab / simulink. using the stator active power computed from the maximal output power of the wind turbine as the reference value of vector control system, the result of experiment approves that the control strategy is true. not only the frequency of stator current is constant, but the control of stator active and reactive are decoupled, and the output power tracks the maximal power of wind turbine
在最後的模擬實驗中,本文利用matlab軟體建立了系統各部分的模擬模型,選用與風力機最大輸出功率對應的定子有功功率作為矢量控制的參考值做了模擬實驗,並給出了模擬結果,驗證了定子磁鏈定向矢量控制策略的正確性:既保證了定子輸出頻率的恆定,又達到了有功功率無功功率獨立解耦控制的目的,同時還較好地跟蹤了風力機的最大功率輸出。According to the relationship of the angle of the maximum torque and the q axis, the reluctance torque for salient pmsm is made full use of and the sator current amplitude is reduced by a large percentage, so that the system robustness is greatly increased. at the speed loop, this paper presents a single value model algorithmic control strategy which is the simplied form of normal model algorithmic control and has less computation work than the latter, so the real - time performance is very good
對于嵌入式pmsm ,根據在電流幅值一定的條件下最大輸出轉矩與(為等效電流矢量和q軸之間的相位角)之間的關系,將磁阻轉矩轉換為輸出轉矩從而提高了輸出轉矩,改善了系統的控制性能;在速度環採用單步模型演算法控制,其計算量比較少,提高了系統的實時性和魯棒性。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。The choices of parameters of transformer, secondary output voltage, maximum output current, capability, voltage regulating progression and step voltage are the crucial factors, which determines the degree of lw graphitization process
內串石墨化工藝的關鍵設備是變壓器,變壓器的參數:二次輸出電壓、最大輸出電流、容量、調壓級數、級差電壓選擇的合理與否,決定了內串石墨化工藝水平的高與低。Fibre optic interconnecting devices and passive components - basic test and measurement procedures - tests - maximum input power
光纖互聯裝置和無源部件.基本試驗和測量步驟.試驗.最大輸出功率The main contributions of this thesis are as follows : ( 1 ) the conventional minimum output energy ( moe ) algorithm has the global convergence but its stable excess mean square error is high and it ca n ' t converge to the minimum mean square error ( mmse ). in this thesis an equivalent decision feedback moe ( df - moe ) algorithm variable step - size is presented and analyzed
主要工作可以概括如下: ( 1 )針對最小輸出能量檢測器( moe )具有全局收斂,但是穩態剩餘均方誤差比較大,無法收斂到最佳mmse檢測器的特點,提出並分析了一種等效的判決反饋變步長moe檢測演算法(簡稱df - moe : decidedfeedbackmoe ) 。分享友人