逆流系統 的英文怎麼說

中文拼音 [nìliúxìtǒng]
逆流系統 英文
counter-current system
  • 逆 : Ⅰ形容詞1 （方向相反） contrary; counter 2 [數學] inverse; converse Ⅱ動詞1 （抵觸; 不順從） go aga...
  • 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...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 逆流 : anarrhea; backset; backwash; contra flow; counter flow; eddy; receding; counter current; reverse ...
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. Based on the sha lo wan profiler data at 0740utc, the vertical shear at around 1, 100 ft was close to 8 kt per 100 ft. although this was lower than the 8 kt per 100 ft which has been used in the windshear warning system at the old kai tak airport, the increase in head wind was nonetheless significant due to the steep climb angle

    根據沙螺灣的氣流剖析儀在0740utc錄得的資料顯示，在約1 ， 100尺的垂直切變接近每百尺每小時8海里。雖然此切變低於以往啟德機場的風切變警報系統所用的每百尺每小時8海里，但因為陡峭的爬升角度，令到逆風的增加變得顯著。
  2. Commutation failure factors analysis in hvdc transmission system

    直流輸電系統中逆變器換相失敗的因素分析
  3. This model of electromagnetic valve has the single - way check function and a patent design of block - up resisting and is the ideal self control valve for the water supply system with a high level container or tank or the automatic water supply system with a high level container or tank or the automatic water supply facility required the function of adverse current prevention. the amalgamation inflicts to hike in the inflexions of can percolation function that purge

    Fcd . 3 148f ：進水口與出水口均為4分15外螺紋銅接頭該型電磁閥具有單向止回功能，專利防阻塞設計，是高水位容箱器供水系統或其他兼需防逆流功能的自動供水設備的理想自控閥門;並增加了過濾裝置。
  4. The modulating signals of firing delay angle at the rectifier and firing lead angle at the inverter, and the excitation voltage are chosen to be control variables. the offset of the current of dc line and the extinction angle and the power angle of generator are chosen to be control outputs. then a nonlinear controller is designed for the system under study according to direct feedback linearization theory

    以整流側觸發延遲角的調節信號、逆變側觸發超前角的調節信號以及發電機勵磁電壓作為控制變量，以直流線路電流、逆變側關斷角以及發電機功角的偏移量作為目標輸出，用直接反饋線性化方法設計了系統的非線性控制器。
  5. From the last century ninetieth, microprocessor relay protection technology has been rapidly developed and widely used in our country. it has become an inevitably flow and trend in the development of relay protection technology. but there are scarce experimental devices of microprocessor relay protection at present in our country and the devices which are being used have the defect of function single, inconvenient, and high cost etc. based on this condition, an experimental and training system for the multifunctional microprocessor relay protection and substation integrated automation is explored and developed in this paper

    從上個世紀九十年代起微機繼電保護技術在我國得到了快速的發展和廣泛的應用並已成為繼電保護技術發展不可逆轉的潮流和趨勢，但是微機保護實驗設備的開發在我國幾乎是一片空白，僅有的微機保護實驗設備也存在著功能單一、體積大、成本高等諸多缺點，基於這一現狀，本文著力研究和開發一種多功能微機保護與變電站綜合自動化實驗培訓系統。
  6. The algorithm of svpwm that is adopted by the system implements motor speed - regulation by control of magnitude and phase of motor flux. it can generate less harmonics in the output current of power inverter and less losses of ac motor, reduce pulsant component in output torque and raise availability of dc supply voltage

    系統採用的svpwm演算法通過對空間磁鏈矢量幅值和相位的控制來調節電機轉速，減少了逆變器輸出電流的諧波，降低了脈動轉矩，提高了電壓的利用率。
  7. Just following this, are studies on power factor of inverters and the sharing of harmonic circulating current among units of a parallel operating inverters system

    在此之後，本文又深入分析了逆變電源的功率因數以及並聯電源系統的諧波環流均分控制。
  8. First, it analyzes the working principle and some features of the system, such as the circulating current characteristics, power distribution characteristics, and characteristics about closed loop regulation of voltage. then it goes on to the study of some typical control methods, and designs on this basis, a parallel controller using a synchronization control strategy of racing to merging and a load - sharing strategy combined with feedback control and drooped control

    文中，首先通過建立系統的數學模型，分析了逆變電源並聯運行的工作原理以及並聯系統的一些主要特性，包括它的環流特性、功率特性和電壓閉環調節特性；在此基礎上，又研究了幾種典型的並聯運行控制方式；然後，採用搶占與並發相結合的同步控制方式和反饋與下垂特性相結合的負載均分控制設計了並聯控制器。
  9. Step - forced dynamic speed drop analysis digital control, dual ring, direct current and reversible speed governing system

    數控雙環直流可逆調速系統階躍擾動動態速降分析
  10. The auxiliary modulating signals of the current controller at the rectifier and the extinction angle controller at the inverter, and the reference voltage of exciter are chosen to be control variables. then the all - state feedback linear optimal controller is designed

    以直流系統整流側電流控制器的輔助調節信號、逆變側關斷角控制器的輔助調節信號以及勵磁系統參考電壓作為控制變量，設計了系統的全狀態反饋線性最優控制器。
  11. This article based on the height of strategy, combine the mind of quick logistic and precise logistic, design the logistic model of small and medium - sized enterprise, with the view of system and guided by this model, this article analysis the component of enterprise ’ s logistic system, meanwhile, considered the characters of those component and the realistic of enterprise, reference certain method, optimized the enterprise ’ s logistic system. because there is phenomenon “ benefit is carried inside out ” exist in logistic system, so, when we optimizing the logistic system, we must consider the influence between both sides in benefit is carried inside out. treat wholly improved as standard, among them, the most important relation is stock and transportation

    本文從企業的戰略發展的角度，結合敏捷物流和精益物流思想的優點，設計出了中小企業物流模型，並以此為指導，以系統的觀點和整體優化為宗旨，通過規劃中小企業物流系統的組成部分，結合企業自身的實際和各組成部分的特點，對企業物流系統進行了優化設計;由於企業物流系統中存在著效益背反的現象，因此，本文以占企業物流成本比重較大的庫存和運輸兩大重要組成部分為重點，在綜合考慮背反雙方的相互影響下，通過庫存計劃管理的優化，設計出合適庫存水平和運輸量的優化模型，並採用逆向思維綜合設計了運輸方式和運輸路線模型;同時提出了企業要想切實地達到物流系統優化預期目標的三大對策。
  12. From this point, the thesis establishes the two network models that are embodied in the above three models. all the above suggestion and research about reverse logistics management and network programming can be reference for the special logistics enterprises and the enterprise who wants to establish their own new logistics system

    本文通過實例分析，在所得結論的基礎上，分別建立了兩個模型，一個是在現有正向物流系統的基礎上繼起構建的產品回收網路模型，另一個是把正、逆兩向物流進行整合優化來構建的網路模型。
  13. The inverted pwm changing electric current the technique is applied in the prototype model. the prototype model was tested and operated on spot, power factor could reach beyond 0. 95, the effect of following modulating voltage was better, the curve of factor of modulated voltage of exchanging systems changed following load rate was linear, the output of wave form was a flat and steady sinusoidal wave

    樣機採用了逆變式pwm變流技術，對其進行了現場測試與試運行，測試結果是電網側的功率因數可達0 . 95以上，跟蹤調壓效果良好，變流系統輸出調壓系數（ k ）隨負載率（ p ）的變化曲線基本滿足直線關系，輸出波形呈平滑穩定的正弦波。
  14. First in this paper, the characteristics and control methods of bldcm is discussed. on the basis of the run state and control method of the bldcm, combining the electric power and electronic technology, micro electric technology, special integrated chips and the theory of motor control theory, setting up the model of electric power inverter system by using the simulating software - matlab, the control schemes are given when the motor is working in the state of electromotion and electrical regeneration

    首先本文介紹了永磁無刷直流電動機的特點及其控制方法，結合電力電子技術、微電子技術、專用集成晶元、電動機以及控制等理論，在重點研究了電動汽車用永磁無刷直流電動機的運行狀態和控制方式的基礎上，利用matlab模擬軟體建立了電力電子逆變系統的模擬模型，給出了電機處于電動狀態和能量回饋狀態時的控制策略。
  15. They make up the voltage sourse single - phase reversible pwm rectification system together

    二者共同組成電壓型單向可逆pwm整流系統。
  16. This paper discussed the application of eia in reverse logistics, including evaluation of environmental performance that reverse logistics made, and measurement of environmental performance of the reverse logistics system

    文中論述了環境影響評價在逆向物流中的應用，包括估計逆向物流的環保意義，以及控制逆向物流系統的環境績效。
  17. Comparison research verifies its effectiveness on reducing the de - link losses and improving the output performance. the three topologies mentioned above are all presented with detailed theoretical analysis, parameters design, simulation and experimental verifications. a 6kw three - phase inverter system is accomplished in order to verify that the two - amplitude control technique is fit for high power application

    第五章研究三相逆變系統的雙幅諧振直流環節技術，完成了6kw實驗系統，提出了滯環電流控制與空間矢量調制相結合的方案（ hcc - svm ）並首次採用cpld實現邏輯控制，大大降低了逆變器換流頻率，縮短了控制延時，實現了逆變器的高效變換和低輸出失真。
  18. Port is not only the hub of loading and unloading from water to land or from land to water, but also the very important integrated basic logistics facility and the best location of the integrated physical distribution center

    現代港口不再僅僅是水陸換裝的樞紐，同時也是綜合物流系統中重要的物流基礎設施和綜合物流中心的最佳選址。港口向著大型綜合物流中心的發展已是不可逆轉的大趨勢。
  19. Plc and dsp controller were used in current - source inverter and voltage - source device. based above, a high power scr current - source line - commutated inverter and a voltage - source line - connected inverter were developed

    在電流型逆變系統中，運用可編程序控制器（ plc ）作為控制核心，並在mcgs組態平臺實現和工控機的通訊。
  20. Data integration of reverse logistics system based on xml jsp

    的逆向物流系統的數據集成
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