直接發電機 的英文怎麼說
中文拼音 [zhíjiēfādiànjī]
直接發電機
英文
direct current generator-
As one kind of key equipment in piping work of large - scale turbo - generator set in power plant, the machine is especially applicable to various welding bevels, flat end and angle of outer & inner diameter of ascending pipe, elbow pipe, bend, flange and etc., which greatly meets demands in pipe processing of construction site and manufacturers
本機床是電站大型汽輪發電機組的管道施工的關鍵設備，對直管、彎管、彎頭、法蘭等管體的各種型式焊接坡口，端平面，內外徑過緩斜度及直口，能滿足施工現場和製造廠家對各種管件的加工要求。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。Based on the analysis of the magnetic characteristics, an artificial nerural network can be built and the fault samples can be gained by theoretical arithmetic. the results of computation example show that the method can not only judge if shorted field turns exit but also estimate fault turns ratio
根據該結論構建了發電機故障診斷的神經網路，並直接獲得發電機在額定運行工況下對應的故障樣本，用於故障診斷，不僅對轉子繞組匝間短路故障的存在性，還對故障的嚴重性做出了正確的判斷。Research of dtc for doubly - fed wind generator
雙饋風力發電機直接轉矩控制的研究Modal bode plot theory for diagnosing the rotor imbalance axial position and rotor imbalance type is presented based on advanced rotor dynamics theory and field balancing rotating machinery theory and comprehensive experience of field balancing steam - turbine generator set
摘要基於轉子動力學理論、汽輪發電機組軸系現場動平衡理論和工程實踐經驗，提出可直接判斷軸系不平衡軸向位置及不平衡型式的振型波特曲線方法。Especially the generation unit consisted of high - speed generator and micro turbine without a gear box can largely reduce the system volume and increase the efficiency
尤其是高速發電機與燃氣輪機直接相連組成發電機組，中間不帶減速機構，可大大降低系統體積，提高系統效率。Users are allowed to fax their electronic documents directly from thir desktop. it works much like a printer driver. no printing is required in prior to fax
用戶可以在電腦上直接發送傳真至對方傳真機上而無需先將文件列印出來。Powerformer is a new high voltage generator ， which use xlpe cable as stator winding instead of rectangular conductor bars ， thereby it overcome the shortcomings which the shape of these conductors results in an uneven electric field distribution with high electric field strenghs at the corners especially and prevents the output voltage of the conventional generator from exceeding about 36kv powerformer offers a direct connection to the network without the need for a step - up transformer as a consequence, there are some merits in the total plant equipped with powerformer, such as high effiency, high availability, low maintaining cost and giving less environmental impact
Powerformer是一種新型的高壓發電機，它採用電纜代替矩形導體作為定子繞組，從而克服了矩形導體電場分佈不均勻，特別是在矩形導體在導體拐角處電場過于集中而使常規發電機的輸出電壓等級不能高於36kv的缺點，使其能夠直接和輸配電網相聯，這樣就不需要升壓變壓器，同時也使裝配powerformer的電廠具有如下優點高效率、可利用率提高、維修費用降低和降低了對環境的負面影響。One of our goals in designing the supergrid has been to ensure that it can accept inputs from a wide variety of generators, from the smallest rooftop solar panel and farmyard wind turbine to the largest assemblage of nuclear reactors
我們設計超級電力網時的目標之一，是讓它能夠接受各種發電裝置的輸出，從最小的屋頂太陽能板和農場風力發電機，一直到最大的核子反應爐等。Because there is direct relation ship with fault currents and transient and dynamic voltages, in theory or practice, it is so complicated that the selection of generator neutral grounding model will affect or determine the generator protection scheme
由於暫態過電壓、接地故障電流等都直接與發電機接地方式有關，同時還影響或決定著發電機的保護形式，所以接地方式的選擇在理論和實踐上都是一個復雜的問題。Synchronous generator temperature arising test research using energy direct feedback method
能量直接回饋進行同步發電機溫升試驗的研究Therefore, in order to protect large generating equipment against the switching overvoltage, the research on safety forecast theory and real - time monitoring technique for the surge overvoltage of large power stations has not only importance and benefit to safety operation of generators, but also has the great importance for the engineering of transferring electricity from the west to the east in china and the safety operation of large electric power network with great capacity and long - distance transmission line
因此，針對廠站操作過電壓對大型發電設備的沖擊問題，重點開展廠站操作過電壓的安全預測理論與實時監測技術的研究，不僅直接對大機組安全運行有著重要的現實意義，而且對目前我國西電東送工程的實現和確保大容量遠距離輸電電網的安全穩定運行都具有十分重要的意義。The wh series small size generating sets are combined with advanced single bearing brush less generator and famous engine it ' s direct - coupled between generator and engine
本系列小型發電機組由高級的單列軸承無刷發電機和汽油機組成，機組由發電機和油機直接連接而成。Tg series small size generating sets are combined with advanced single bearing brushless generator and famous engine, it ? s direct - coupled between generator and engine, the generating sets have the characteristics of wonderful configuration, small measurement, light weight, easy operation and maintenance, it ? s reliable power supply for family as reservation source
甘油三酯系列小型發電機組，結合先進的單軸承無刷發電機和著名引擎，它的直接耦合關系發電機和發動機，發電機組，有特色的精彩配置，測量小，重量輕，易於操作和維修，它的可靠供電家庭作為保留來源Excitation system is an important part of synchronous generator. and it affects the operating characteristics of generator and power system directly. this paper discusses a new excitation regulator based on dsp ( tms320lf2407 )
勵磁系統是同步發電機的重要組成部分，直接影響電機及電力系統的特性，本文介紹了一種新型的基於dsp （ tms320lf2407 ）微控制器的同步發電機勵磁調節器的設計研究。Last but not least, based on the aerodynamics of wind power machines, using the torque observer and speed estimator, a linearized direct speed control wind power generation model has been presentated
最後，針對風速的多變性，根據風力機的動力特性，利用狀態估計方法，提出了一種變速風力發電機直接速度控制模型。Perfor m a nce and reliability of ex cita tion control d i rec tly decides and influences the ef fect of synchronous genera tors in the power system
勵磁控制系統性能的優劣和可靠性的高低，直接決定和影響同步發電機在電力系統中所發揮的作用。Parameter tuning of water turbine governor plays an important role in the safe and normal operation of the hydroelectric generator unit. it directly affects the quality and reliability of electricity provided by the power system
水輪機調速器參數的整定對水輪發電機組安全、可靠地運行具重要的作用，並直接影響著電力系統向用戶供電的質量及可靠性。Shafts are the important part of large hydroelectric machines. its dynamic characteristic is bound up with the reliability, life - span and economic index of the entire machines. therefore, it is important to analysis the large hydroelectric machines from the aspect of theory
軸系是水輪發電機組的重要組成部分，它的動力特性優劣直接關繫到整個機組運行可靠性、壽命和經濟指標，因此對大型水輪發電機組進行理論分析具有重要意義。Today, mw wind generators substitute 600kw generators gradually and become the popular units of international market of wind power generation. the trends of units are variable speed constant frequency and large - scale and pitch control. there are many different generators which are variable speed constant frequency generator. in this paper the unit is fully - fed magnet wind turbine generator. the magnet wind turbine generator grid - connected inverter is the key component of connected system. the main function of this component is inverting the dc to three - level volage and connecting the electric net
實現變速恆頻發電的方法眾多，本文研究的是較常用的一種方案。該方案採用直驅永磁風力發電機通過變頻器直接連接到電網。永磁風力發電機並網逆變器是並網發電系統的核心部分，其主要功能是將經過整流、斬波升壓后的直流電逆變成三相交流電，並送入電網，實現並網。分享友人