靜變流機 的英文怎麼說

中文拼音 [jìngbiànliújī]
靜變流機 英文
static inverter
  • 靜 : Ⅰ形容詞1. （安定不動; 平靜） still; calm; motionless 2. （沒有聲響; 清靜） silent; quiet Ⅱ名詞（姓氏） a surname
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 機 : machineengine
  1. The performance of the static inverter has become more and more important since it is a basilic part of secondary power source in airplane which ensures the electron devices to work normally

    作為飛機二次電源重要組成部分之一的靜止變流器，是保證用電設備正常工作的基礎，其性能的重要性也越來越突出。
  2. The mainstream of the corporate culture therefore becomes learning and innovation, allowing new ideas, new knowledge, and new technology as the life blood for full - scale development

    「知識經濟」促使企業把自己從一個靜態生產機構變成一個動態學習機構，企業文化的主流將是學習和創新，讓新思維、新知識和新技術成為企業發展的生命力。
  3. As for firms and organisations, the kbe is pushing them to change from static productive units into dynamic learning organisations. the mainstream of the corporate culture therefore becomes learning and innovation, allowing new ideas, new knowledge, and new technology as the life blood for full - scale development

    「知識經濟」促使企業把自己從一個靜態生產機構變成一個動態學習機構，企業文化的主流將是學習和創新，讓新思維新知識和新技術成為企業發展的生命力。
  4. It is required to research a 600w 28vdc / 360vdc converter as prepositive set of static inverter in a certain project

    在某機載靜止變流器項目中，需要研製一臺600w28vdc / 360vdc直流變換器作為雙buck型逆變器的前級。
  5. By using harika algorithm, the characteristic of a high - pressure compressor is calculated at different installation angle of the inlet guide vane and the stator vanes ; the characteristics of a high - pressure turbine and a low - pressure turbine are simulated at different installation angles of the guide vane based on ainley method

    本文用harika演算法計算了導流葉片和靜子葉片安裝角度可調的變幾何高壓壓氣機特性；用ainley法計算了渦輪導向器面積可調的高壓渦輪和低壓渦輪的特性。
  6. The crown dragon network science and technology limited company has a high quality the technical team, condensed the member which as soon as the endorsing industry kind young, has the vigor, they have the outstanding performance in respective position as well as the rich actual combat experience, has the charm is their creativity and the offer spirit. " with the perfect technical service, satisfies the customer to request " is our management idea ; the company by the unremitting endeavor, a higher goal requests throughout oneself, while consummates own management pattern unceasingly and sharpens the technical research and development ability, promotes the chinese internet enterprise development. the company hosts hit the hypothesized main engine, the system development, the main engine are entrusted with entire, machine rent, the domain name registration, the homepage manufacture, the enterprise post office, the website application, the promotion and so on the basic network service, for individual, the enterprise and so on each kind of organization provides the consummation the service

    正清然科技公司作為立志從事綠色環保事業的一員，鑒於我國目前以城市為中心的環境污染日益嚴重，並有急劇向農村蔓延之趨勢，深深感受到自己身上的責任義務和緊迫感，於2000年初組織了國內一流的科研開發人員，用了四年的時間傾力攻關，厚積薄發，拿出了擁有自主知識產權的「碧清」品牌清潔護理系列產品，與其他有機溶液清潔產品不同的是，該品主要採用提取純天然植物精華為原料，對所清潔對象採取去污上光除菌護理並可形成保護膜，達到濕潤滋護防老化抗黃變防靜電等作用，是目前最為理想的綠色環保清潔護理系列用品之一，該品的研製，填補了國內空白，並達到世界領先水平。
  7. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。
  8. The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed

    本文對空芯動圈式直線同步電動機進行了深入細致的研究，內容包括： （ 1 ）採用電流模型推導出兩種計算永磁磁極二維氣隙磁場的解析公式（集中電流法、分佈電流法） ，同時介紹了兩種永磁電機氣隙磁場計算方法（磁荷法，直接求解拉氏方程法） ，分析各種方法的優缺點，討論電機參數對氣隙磁密的影響； （ 2 ）介紹了單層同心繞組的布置方式，根據安培定律推導出空芯動圈式直線永磁同步電動機的靜推力計算公式，分析靜態力?位移特性； （ 3 ）建立空芯動圈式直線永磁同步電動機動態模擬模型，模擬不同驅動方式下電動機起動、穩態運行時電磁力、速度、位移的變化情況。
  9. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律，並耦合進氣畸變的影響，同時與壓氣機氣動性能和氣動穩定性相關聯，作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機（ lsc ）試驗器，採取在靜子葉片表面埋入動態壓力傳感器的實驗方法，對葉尖、葉中和葉根三個截面的動態壓力進行了測量，獲得了大量的可靠的實驗數據。
  10. Upon above advantage, we can realise that the airboat is very suitalbe for every advertising company and enterprises, low cost, high efficiency, it brings the commercial advertising from the groung to the sky, from the static to moving, from silence to soundable, the shape of streamline is adopted to have very good ability of anti winding, stable flying and agility, it can take off vertically, forwarding or backwarding, presenting a fully new carrier to advertising circles, becoming a focus of people in the world

    綜合以上的優點不難看出，遙控飛艇非常的適用於各廣告公司，各種企業購買使用，成本低，見效快，它將商業廣告從地面發展到空中，由靜態變為動態，由無聲變有聲，遙控飛艇採用流線外型，氣動性能好，抗風能力強，飛行平穩，機動靈活，可垂直起落，俯沖爬升，前進後退，空中懸停，拋撒資料，施放彩色煙霧，空中攝影攝像等，向廣告界展示了一個新穎的廣告載體。
  11. Incorporation of kones mature escalator technology, advanced micro - computer control system, high strength truss structure, classical driving system, and completed safety devices, fully ensure our products safe, reliable, endurable and bring steady and comfortable riding. refine craftwork, fluent lines and elegant style form the combination of practical riding function and visual enjoyment. frequency conversion technology selected makes the escalator more energy - saving

    引進通力成熟的自動扶梯技術，採用先進的微機控制系統，高強度的桁架結構經典的驅動技術完善的保護裝置，使產品安全可靠耐用，乘坐平穩安靜舒適精緻的工藝流暢的線條優雅的造型，使產品兼有乘坐的實用功能與視覺的裝飾效果變頻驅動的選用，使產品省電節能，而室外型自動扶梯能經受各種氣候環境條件考驗。
  12. Based on netomac, a software package for power system simulation, the model and algorithm of pre - dispatch schedule in generation markets, excitation system parameter setting, and power system small signal stability anaylsis are studied in this thesis. the main work is as follows : a model of pre - dispatch schedule is proposed, whose target is to minimize the market purchasing price ( mpp ) in the whole pre - dispatch period. then according to the characteristics of pre - dispatch schedule, the model of pre - dispatch schedule is simplified to minimize the mpp in each pre - dispatch time, and a three - step algorithm of pre - dispatch schedule is designed : dealing with the optimal problem in the whole period of pre - dispatch with static planning method, solving the problem of combination of machines with pr1 method, resolving problem of optimal power flow ( opf ) with modified powell method

    本文基於netomac模擬軟體，以發電市場預調度計劃模型及演算法、勵磁系統參數整定和電力系統小擾動穩定性分析為研究內容，主要做了以下工作：建立了以整個預調度計劃周期內的市場購電價格最小為目標的發電市場預調度計劃模型，並根據預調度計劃問題狀態數多、變量多、混合整數、非解析的特點，將預調度計劃模型的目標函數簡化為各時段的市場清算電價最小，設計了三段式預調度演算法：用靜態規劃法求解整個預調度計劃周期內的優化問題；用優先級法求解機組組合問題；用改進的powell法求解最優潮流問題。
  13. Vanadium is important and valuable in steel - making, electronic production and national defence industry etc. now, the operation pattern of refining vanadium in our nation is based on human experiences, and the automation degree is still at a low level. operation mode based on human experiences is one of the main reasons make the quality of semi - steel and vanadium product unstable. in developed contury such as russian, static model was used to control the process of vanadium refining

    我國目前的轉爐提釩為人工操作模式，由操作人員根據經驗和感覺進行操作，自動化水平低，存在著釩渣質量和半鋼質量不穩定的問題；在國外，俄羅斯等一些國家已經在使用靜態模型對提釩過程進行控制，取得了較好的效果，但是這些模型大都是根據復雜的物理化學規律研製的機理模型，要求有非常穩定的生產流程和工藝條件，對于鐵水成分、生產設備等變化的適應性差，不但移植困難，而且模型價格異常昂貴。
  14. The shahe pumped - storage power station with two 50mw reversible units has been in good conditions on general since it was put into operation, but there still were some defects, such as the failure of unit ' s contemporaneous device, the insufficient cooling water discharge and pressure, and the failure of static frequency converter and excitation overcurrent

    摘要沙河抽水蓄能電站兩臺50mw可逆式機組自投運以來，總體情況良好，但是也出現了一些缺陷，如機組同期裝置故障，機組冷卻水流量或壓力不足，靜止變頻器故障，勵磁過電流故障等。
  15. The hardware circuit design include : industrial control computer configuration, selection of industrial control board type, design of the power supply and monitoring interface circuit, design of signal processing interface circuit ( the constant current source circuit, the time base signal processing circuit, the processing circuit for the signal to be measured ), design of panel control circuit, design of the system self - checking circuit, and etc. the program flow hart include : main program flow chart, system boot - strap self - checking program flow chart, manual static testing program flow chart, semiautomatic static testing program flow chart, automatic static testing program flow chart, dynamic testing program flow chart, transient testing program flow chart, source voltage and current monitor program flow chart, investigate function testing program flow chart, and etc. the measure system offers six working power supplies, the signal of time base, the signal of constant current source, sine wave signal and step to leap signal, and measures the frequency of the output pulse signal of the wide range pulse convert circuit accurately under three kinds of different test state ( static form, dynamic form and transient form )

    硬體電路設計包括：工控機配置、工控板卡選型、產品電源及監控介面電路設計、信號處理介面電路（恆流源電路、時基信號處理電路、被測信號處理電路）設計、面板控制電路設計、系統自檢電路設計等。程序流程圖包括：主程序流程圖、系統開機自檢程序流程圖、手動靜態測試程序流程圖、半自動靜態測試程序流程圖、自動靜態測試程序流程圖、動態測試程序流程圖、暫態測試程序流程圖、電源電壓和電流監控程序流程圖、研究功能測試程序流程圖等。測試系統提供六路工作電源、時基信號、恆流源信號、正弦波信號和階躍信號，並對三種不同測試狀態（靜態、動態、暫態）下大量程脈沖變換電路輸出脈沖信號的頻率進行精確測量。
  16. Aeronautical static inverter ( asi ) is a kind of static converting device, which converts the dc ( 27v / 270v ) in the main power of aircraft into ac of constant - voltage and constant frequency by means of power semiconductor devices. with the development of the aircraft, all the electric equipment on the plane requires the power supply system with better performance

    航空靜止變流器（ asi ? aeronauticalstaticinverter ）是航空電源系統的二次電源，其作用是將飛機主電源直流電27v或270vdc變換成恆壓恆頻單相115v 400hz ，單相36v 400hz ，三相115v 200v ，或三相36v交流電，供飛機上負載使用。
  17. The experimental results show that the unsteady flow frequency domain performances of the axial flow compressor will be varied with mass flow, rotating speed, blade row spacing and inlet distortion

    實驗結果表明，工作流量、工作轉速、動?靜葉排軸向間距以及進氣畸變均對壓氣機的非定常頻譜特性產生影響。
  18. In dtc system, the concept of space vector is introduced to analyze and control the ac motor, the electromagnetic torque and flux are calculated and controlled in the stationary coordinate, and the optimal pwm gating signals are generated to control the inverter to acquire high dynamic torque according to the output of the bang - bang regulators

    直接轉矩控制採用空間矢量的概念來分析三相異步交流電動機的數學模型和各物理量，直接在靜止坐標系下計算與控制交流電動機轉矩和磁鏈，藉助于離散的兩點式調節產生pwm信號，直接對逆變器的開關狀態進行最佳控制，以獲得轉矩的高動態性能。
  19. In the proposed technique the bemf waveform of bldcm need to be measured in advance at first, through computer simulation and frame transformation, the optimum q - axis current command is achieved. in order to minimize the torque ripple, the d and 0 - axis current command should be zero. furthermore, through reference frame transformation from dqo - axis to abc - axis, we can get the optimum current command in static abc reference frame

    在這種控制方法中首先測量出電機的實際反電動勢波形，然後通過計算機擬合和坐標變換，求得產生恆定電磁轉矩所需的q軸電流，令i _ d ~ * = i _ 0 ~ * = 0 ，通過坐標變換，得到三相靜止坐標系a - b - c下的參考電流i _ a ~ * ， i _ b ~ * ， i _ c ~ * ，利用電流滯環控制來產生pwm信號，由於這種控制方法中電流不會突變，從而可以較好的抑制轉矩脈動。
  20. The 500va experimental prototype of aero static inverter has the advantages of flat volt - ampere characteristic, small thd of output sinusoid voltage, high efficiency, small size, light weight and low cost

    500va輸出的航空靜止變流器樣機試驗結果表明，逆變電路輸出外特性平直，正弦電壓失真度小，變換效率高，體積小，成本低。
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