無功電路 的英文怎麼說

中文拼音 [wúgōngdiànlù]
無功電路 英文
quadrature network
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 功 : 名詞1 （功勞） exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 無功 : [電學] idle; idle work
  • 電路 : [訊] circuit （ckt）; electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. Intelligent electricity quantity concentration display instrument is a kind of intelligent instrument used to measure combined parameter of ac electricity quantity, which can simultaneously measure each phase electricity parameter in the tri - phase ac loop such as voltage, current, active power, reactive power, apparent power, power factor, frequency, active kilowatt hour, reactive kilovolt ampere - hour and so on

    智能電量集中顯示儀是一種用於交流電量綜合參數測量的智能儀表，它可以同時測量三相交流迴路的每一相電壓電流有功功率無功功率視在功率功率因數頻率有功電度無功電度等參數。
  2. Wireless lan is accessible from most outdoor areas on campus. checking e - mail, accessing course material or even doing group projects are no longer limited to indoors - an experience one shouldn t miss especially on a warm and sunny day with a light breeze

    無線網路系統現已覆蓋校園內大部分的戶外地方， z過多個無線接駁點，你可在戶外查閱電郵、進行網上學習，甚至和同學討論功課?這些活動再不用局限於室內了。
  3. As the ic manufacturing process develops from sub - micron to very deep submicron ( vdsm ) technologies, with current lithography tools ( 248nm and 193nm ), foundries can not manufacture products that designs want because of so - called optical proximity effect ( ope )

    當集成電路生產工藝發展到納米級時，利用現有的曝光設備（ 248nm和193nm ） ，由於所謂的光學鄰近效應，集成電路製造廠商已經無法製造出滿足電路功能要求的產品。
  4. Among various fabrication techniques of thin film, the sol - gel process has gained much interest for the preparation of pzt thin film, due to ihe advantages of good homogeneity, easy control of composition, low in - ill i reaving temperature, easy formation of large area thin films pb ( zrxti : - k ) 0 :, ( pzt ) films were prepared on the ito coated glass plates and low resistor silicon wafer in sol - gel dip - coating process associated wi di heat treatment : at different temperatures and characterized by x - ray diffraction ( xrd ) and transmission electron microscopy ( tem ). lt is shown that the pzt ferroelectric thin films with ( 110 ) preferred orientation and well - crystallized perovskite structure can be obtained after annealing at 680 ? for 30 minutes on ito substrate and at 800 " c for lornin on silicon substrate

    Pzt的制備方法有很多，其中溶膠?凝膠（ sol - gel ）方法可以和集成電路（ ic ）光刻工藝相互兼容，處理溫度低，有大面積塗敷性能，能精確地控制組分，無需復雜的真空設備，成本低廉，所以對于集成鐵電薄膜電容的應用這種方法有很廣闊的前景。本文利用sol - gel技術在摻錫的in _ 2o _ 3透明導電薄膜（ ito ）襯底和低阻硅襯底上成功地制備了pzt鐵電薄膜。運用了x射線衍射， sawyer - tower電路和lcr電橋分別對薄膜的晶化溫度，結構和電學性能進行了測試。
  5. At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost ， which have restricted the development of apf

    目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換，需要快速、實時運算，因此必須使用高速的數字微處理器和高性能a / d轉換器，這必將大大提高系統成本，使得電路結構復雜，在一定程度上限制了有源濾波器的發展。
  6. Accordingly, using graph theory and operating experience abroad for reference, it firstly brings forward a new method of voltage rectification which based on pilot bus with voltage control area in view of the weak coupling among every vca ( voltage control area ), using decomposing method of multi critical value, it realizes the eliminating vinculum of every vca. and then, the rectification starts by pilot bus voltage of every vca. so the resolution of whole power net is diverted into calculating smaller sub - net

    由於各個電壓控制區之間無功電壓的弱耦合性，利用多閥值分解的分區演算法，實現區域間的解耦，然後根據各個子網路的主導節點的電壓進行校正，從而把求解整個網路的問題轉化為求解各個小的子網路，降低了網路維數，減少了無功設備控制動作次數，提高了校正成功率，縮短了計算時間。
  7. The main work of this thesis is theoretical and experimental research on non - isolated single - end three - level dc / dc converters with passive lossless soft switching. a 1kw three - level buck converter with passive soft switching is designed to verify the research

    本文的主要工作是對無源軟開關三電平非隔離dc dc變換電路的理論與實踐研究，設計並實現了一臺功率1kw的無源軟開關三電平buck變換器。
  8. As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system

    功率放大器（ pa ）作為無線通信射頻發射機中不可缺少的關鍵電路，對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用，而適用於恆包絡信號放大的e類功率放大器，更是在現代通信系統中佔有十分重要的地位。
  9. We had modified the driver of led and realized driving the passive matrix oled of 3232 panel by direct current driving

    在已有的led驅動電路的改進下成功的實現了對3232無源oled矩陣直流驅動下的動態顯示。
  10. The analysis of the electric capacitor reactive comprehensive compensation in the electric power network

    淺析配電網路的電容無功綜合補償
  11. The measuring system of traction power supply reactive compensation for electrified railway

    電氣化鐵路牽引供電無功補償測算系統
  12. Digital signal processor ( dsp ) combined with repm bldcm, which build up a dc adjustable speed system, achieve to control multiple motor speed, positive and negative rotate, protect and fault exemine by a true single chip. design and present a electromagnetism scheme of repm bldcm used in electromotion chair drive system. select electronical components and chips in the drive board by contrast with variant drive mode. design the drive board principle picture, make a drive board pcb and debug it. design a principle picture with dsp core. workout the motor control code introduced popular programme modle. test the programme reliability and control performance by linking tms320lf2407 evm, pc, drive borad and the bldcm. the bldcm swatch is prepare experiment

    本論文闡述了方波驅動稀土永磁無刷直流電動機的原理及數學模型；設計並給出了一種電動座椅用稀土永磁無刷直流電動機的電磁設計方案；對電機採用何種驅動方式進行了對比分析；對驅動電路進行了元器件選型、原理圖設計、制板及調試；有針對性的闡述了dsp在本系統應用中所涉及到的功能模塊；設計了以dsp為核心的控制電路原理圖；以模塊化的軟體編程思想編制了電機控制軟體；通過tms320lf2407目標板、上位機、驅動板及電機的聯調，證明了系統可行。
  13. It not only solves the problem of optimized control of the reactive current exchanging among branches, in other words, realizes the auto - tracking to the reactance factor, but also greatly improved the reliability of the system. to design the high voltage line wireless signal acquisition device with self - feed source, we applied electromagnet induction principle and digital communication technique

    系統在優化控制技術中採用了電容器補償控制的兩段控制模型，不僅解決了分支線路之問穿越無功電流的最優控制問題，實現了功率因數的自動跟蹤，而且使整個系統的可靠性大大提高。
  14. The reactive power compensation is an important engineering in the power system. the active reactive power compensator designed in this text takes the instantaneous reactive power theory of three - phase as foundation, and is formed by the reactive current testing circuit, current tracking control circuit and the main circuit, and among them the current tracking control circuit is formed by instruction current arithmetic circuit, current polarity checkout circuit and current tracking control logic circuit three parts in the circuit form

    無功功率補償是電力系統中的一項重要工程，本文所設計的有源無功功率補償器是以三相瞬時無功功率理論為基礎的，它由無功電流檢測電路、電流跟蹤控制電路和主電路三大部分組成，其中電流跟蹤控制電路由指令電流運算電路、電流極性檢測電路和電流跟蹤控制邏輯電路三部分構成。
  15. By studying traditional instantaneous power theory in single - phase circuit, we developed a real - time detecting method in this paper based on digital technology, which can detect harmonic current and fundamental reactive current in both single - phase and three - phase circuits

    本文通過對于單相電路瞬時功率理論的分析研究，提出了一種基於數字技術的單相和三相電路諧波和無功電流的實時檢測方法。
  16. The validity of the method is verified through sensitivity studies. this work emphasizes that the valuation of reactive power support services should be based on their contributions to system security and stability. from this view, we set up the model of capacity pricing and the structure of var capacity market

    接下來，對國內外已營運電力市場的無功輔助服務市場情況進行分析，在總結各類市場的先進經驗和欠缺之處的基礎上，創造性地提出了統一計算和集中補償的模式，建立無功容量市場和無功電量市場的設想，確定了本項研究的基本思路。
  17. Among them, the action of the reactive current testing circuit is testing the reactive current component in the compensated object current

    其中，無功電流檢測電路的作用是檢測出補償對象電流中的無功電流分量。
  18. It is applicable to the network in which the circumfluence exists. pricing of active and reactive power is integrated efficiently. the problem that how to recover the cost of the generators which operate in the under excitation condition is resolved successfully

    該方法適用於存在環流的網路，有效地解決了發電機進相運行時生產的成本回收問題，並將負荷有功、無功電價計算有效地統一起來；它計算簡單，實用性強。
  19. The action of current tracking control circuit is : 1 ) the instantaneous reactive current yield the instruction current of the compensating current according to the reactive current testing circuit got, 2 ) according to the interrelationship of the instruction current and the real compensating current, yields pwm ' s control signal controlling each units of main circuit ducting, the result of controlling pledges the compensation current following the tracks of his instruction current ' s change

    電流跟蹤控制電路的作用是： 1 ）根據無功電流檢測電路得到的瞬時無功電流得出補償電流的指令電流， 2 ）根據補償電流的指令電流和實際補償電流之間的相互關系，得出控制主電路各個器件通斷的pwm控制信號，控制的結果保證補償電流跟蹤其指令電流的變化。主電路的作用是根據電流跟蹤控制電路輸出的控制指令，產生實際的補償電流。
  20. This article has discussed the control problem in a distribution substation and on the distribution line respectively. reactive power / voltage control in a substation using general approach usually results in the voltage of the second side being too close to the boundary. it will make the ability of enduring the variation of load in a system decrease a lot and become the threat of the system

    本文分別對配電系統中的變電站及配電線路的無功電壓優化控制問題進行了研究，採用常規方法進行變電站電壓無功控制時，往往使二次側電壓過于接近邊界而導致系統承受負荷波動的能力大大下降，成為系統安全運行的隱患。
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