線對線故障 的英文怎麼說

中文拼音 [xiànduìxiàngùzhàng]
線對線故障 英文
line-to-line fault
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 故 : Ⅰ名詞1 （事故） event; incident; happening; accident 2 （原因） cause; reason 3 （朋友; 友情） fr...
  • 障 : Ⅰ動詞（阻隔; 遮擋） block; hinder; obstruct Ⅱ名詞（遮擋物） barrier; block; obstacle
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  1. This paper mainly aims at the characteristics of the hardware and software structure of the parallel computer on satellite, and has fulfilled researches of fault tolerant technique in three aspects of control theories and engineering : the first research of the system level fault - tolerant module is based on the system structure of the parallel computer on satellite, a kind of cold backup module and a kind of hot backup module for multiprocessor computer have been put forward. then the research of software fault tolerant technique which is based on the operate system named rtems has been carried, the mission level fault - tolerate arithmetic and the system level fault - tolerate mechanism and strategies based on the check point technique have been put forward, at the same time the self - repair technique of software which has used the technique of system re - inject has been studied. finally the technique of components level fault - tolerant based on fpga has been studied, a kind of two level fault - tolerant project which aims at the fault - tolerant module of the parallel computer on satellite has been put forward, and the augmentative of circuit that project design realization need is little, this project can avoid any breakdown of any part logic circuit of the fpga

    本課題主要針對星載并行計算機體系結構及軟體結構的特點，從如下三個方面進行了容錯控制理論研究和實踐工作:首先進行了基於星載多cpu并行計算機體系結構的系統級容錯模型研究，提出了一種多cpu冷備份容錯模型和一種多cpu熱備份容錯模型;然後進行了基於rtems操作系統的軟體容錯技術研究，提出了任務級容錯調度演算法以及基於檢查點技術的系統級容錯恢復機制和策略，同時研究了利用系統重注入進行軟體在線自修復的容錯技術;最後研究了基於fpga的部件級容錯技術，提出了對容錯模塊這一星載并行計算機關鍵部件的兩級容錯方案，實現該方案所需增加的電路少，可避免板級晶元以及fpga晶元內部任何邏輯發生單點故障。
  2. Because of the elements which run under nonideal linearity and unentire symmetry in the power system, the loads which are different and change randomly, the methods which adjust and control the system faultily and operate improperly, the disturbance and the malfunction which happen somewhere, the current and voltage in the supply system are distorted seriously and thus large amount of harmonics are produced

    但是，由於電力系統元件運行的非理想線性或非完全對稱、負載的性質各異且隨機變化、調控手段的不完善以及錯誤操作、外來干擾和各種故障的存在，供電網中的電流（電壓）發生畸變，產生大量諧波。
  3. Because the fault of field windings turn - to - turn shorted do not cause much effect of the operation of the machine or its fault characteristics are not very clear, most of the faults are neglected

    轉子匝間短路故障對機組正常運行影響不大或故障特徵不明顯，因此許多匝間短路故障被忽略了，但長期運行匝間短路故障會導致轉子線圈一點甚至兩點接地。
  4. But when fault was occurred, sometimes there would be great loss. for the reason, the paper put forward a microcomputer bus protection scheme suit for mv or lv power system with low current grounding based on the great researching about the working theory of current bus protections and the characteristic of mv or lv system with low current grounding. based on it, the paper has designed the platform of the hardware and the software programs

    針對國內目前中、低壓電網大都未裝設母線保護裝置，發生故障不能及時切除時造成很大損失的狀況，本文在廣泛研究當前主流的母線保護動作原理並認真分析了中、低壓小電流接地系統特點的基礎上，提出了一套適合中、低壓微機母線保護裝置的研製方案，並據此選擇、搭建了硬體平臺，設計了軟體功能程序。
  5. The control system cpu process remote control for the equipments mentioned above through prodibus - dp, receiving operation and handclap status which feed back by control equipment, using the style of control word in the data format

    通過profibus ? dp總線，控制系統cpu對上述控制裝置進行遠程控制，並接收控制裝置反饋的運行狀態和故障狀態，數據格式採用控制字方式。
  6. The fractal theory application to fault diagnosis is tried in order to overcome the defec t of wavelet transform to nonlinear signal analysis and complicated machine diagnosis, including the concept, function and application about fractal dimension and the process of applying it to analyze the libration signal of rolling bearing and engine burning

    針對小波變換分析復雜非線性機械繫統時表現出的力不從心，又嘗試探討了分形理論在故障診斷領域中的應用，討論了分形維數的概念、物理意義和應用，並通過滾動軸承和發動機燃燒振動信號的分析例示探討和展示了應用分形方法進行故障診斷的方法和過程。
  7. In this paper, the rotating machinery at high speed is studied. there are discussed about numerical calculating methods for non - linear dynamical system, the rotor system radial impact and rubbing dynamics behavior analysis having the nonlinear rigidity on the unsteady and non - linear oil film, the rotor system dynamics behavior analysis with bending - torsional - pendular coupling vibrations, application of wavelet, fractal and network in fault diagnosis. the main works in this paper are as follows : ( 1 )

    本文以高速旋轉機械為主要研究對象，系統、深入地研究了非線性動力學系統的數值計算方法、具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學行為、轉子彎扭擺耦合振動的動力學分析、小波和分形理論及人工神經網路在故障診斷中的應用問題。
  8. Numerous preprogrammed and user - defined time current curves for sensing phase or ground faults. - three independent recloser interval times

    對于相間和接地故障，有很多條預定義的或者用戶可定義的時間電流曲線可供選擇。
  9. The thesis devote to desams ( double - channel electro - hydraulic servo adaptive motor simulator - rig ) condition monitoring and accessing in theory and application. based on short signal analysis theory, the thesis explores the representative vibration faults of complex and non - linear equipment by both theoretical and experimental methods systematically

    本文基於簡訊號分析技術，針對電液伺服道路模擬試驗臺運行狀態監測和狀態評價，對簡訊號的最大熵譜分析技術在自復雜非線性系統的實時在線故障診斷領域的應用進行了系統的理論和實驗研究。
  10. This unit is particularly designed for monitoring 400v feeder with backup automatic switch. it could accurately measure and calculate : voltage, current, frequency, active power, reactive power, power factor and energy. when bus gets into trouble, it can perform the function of automatic switching to backup power supply

    該單元是特別針對400v饋線備自投而設計的，它具有測量母線的電壓、電流、頻率、有功功率、無功功率、功率因數以及有功電度、無功電度等電參數的功能；當母線出現故障（過壓或欠壓）時，能夠完成兩組母線的自動投切，即備自投的功能。
  11. If we can locate the fault section rapidly and accurately when fault occuring, we can isolate the faulut area, resume the power supply for the unaffected area, decrease the power cutted area and bring out great economic benefits

    當配電網饋線發生故障時，要是能夠迅速、準確地確定故障區域，就能正確動作相關的電氣設備來隔離故障區域，恢復對非故障區域的供電，減少停電面積，帶來巨大的經濟效益。
  12. From the analysis, the angle between the axes of the annular gear and outer profile of the coupling in its steady mesh was derived, and a general method for determining the angle was obtained by using an equilibrium of the forces and couples exerting on the annular gear, from which the vibrational features of the coupling could be revealed

    得出齒式聯軸器聯接不對中的穩定嚙合時內齒環軸線與外齒環軸線間的空間位置關系，以及用內齒環的力和力偶平衡的方法來求其軸線間夾角的一般方法，並得出了齒式聯軸器聯接不對中故障所具有的一些振動特徵。
  13. The obtained results show that the pwm - fcl can limit the fault current quickly, and the unfaulted phase ( s ) and unfaulted line ( s ) will keep stable operation state when an asymmetry fault occurs

    結果表明了pwm - fcl不但可以快速有效地限制住短路電流，並且在系統發生三相不對稱故障時，可以保證故障線路非故障相以及非故障線路的正常運行。
  14. The all above achieve the functions of distributed on - line monitoring system. the whole system is flexible, extensible and easy to be controlled. it ' s valuable to deal with the pstn cable breakdown fault in time and valuable to reduce the economic loss caused by the fault

    整個系統具有易於控制，靈活和可擴展的特點，解決了市話電纜線的在線監測的問題，對于故障的及時處理，降低斷線故障帶來的損失是很有意義的。
  15. So high voltage transmission line fault diagnosis and performance analysis are very important for security and stability of power systems

    因此，對輸電線路的故障診斷和性能分析是極為重要和必要的。
  16. This paper makes a deep research in the software and hardware realization of fault location system with radial feeders, stressing on the design of the hardware system and software programming scheme

    本文對基於「遞進信息法」的配電網饋線故障定位系統的硬、軟體實現進行了較深入的研究，重點設計了硬體系統和軟體編程方案。
  17. Firstly, a relevant algorithm is presented for locating single - line - to - ground ( slg ) fault in distribution networks, fault functions are reasoned out and analyzed for single - phase and three - phase distribution lines, and criterion measure, which are based on the frequency, phase and shape characteristics of the fault function spectrums, are also presented for locating slg faults

    首先論文對三相均勻換位線路的故障定位進行了公式推導和數值計算分析，並在頻域內對故障函數的頻譜曲線幅值、相角和頻率特性進行了分析，提出了相應的故障定位判據。
  18. Experiments of quantity of electric charge analysis and fault diagnosis by the device are carried out to show that it is not only able to run reliably, but also provide fine performance in excitation adjusting and online fault diagnosis

    最後，論文對該故障診斷裝置進行了電量測量精度實驗和故障診斷實驗。實驗結果表明，該裝置運行穩定，具備勵磁調節能力，且能夠有效對勵磁系統故障進行在線監測和診斷。
  19. Fristly, according to the non - linear characteristics of twelve - phase rectifier, the thesis gives the calculation model for a short circuit in the subway traction power supply networks which provides the academic foundation for the design of the setting values and the simulation of protection. secondly, the thesis designs the dc feeder protection and control of subway, and gives the principle of setting accordingly, after it analysizes the characteristics of electric current under tow load and short circuit and considers severel factors. to validate the rationality of the design, the thesis simulates the transient electric current under two work conditions ( starting and passing the insulation ) ahd short circuit

    其次，本文在詳細分析地鐵牽引負荷電流和饋線短路故障電流特點的基礎上，考慮了直流保護系統設計應注意的幾個因素，對地鐵饋線保護與控制進行配置，給出了相應的保護整定原則，並針對某一地鐵供電系統在詳細分析了兩種工況（機車起動與過分段絕緣）的電流暫態過程，得到了電流計算的數字模型，結合前面提出的短路模型，進行了地鐵饋線保護的模擬，經模擬表明本文的保護設計是合理的。
  20. The system is applied to a means of online fault diagnosing and a measure of real - time monitoring relay protection sensitivities. and following works have been illustrated

    該系統為運行人員提供了一種在線進行故障診斷的方法以及在線對保護靈敏度進行監測的手段。
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