故障區分 的英文怎麼說

中文拼音 [zhàngfēn]
故障區分 英文
fault distinguish
  • : Ⅰ名詞1 (事故) event; incident; happening; accident 2 (原因) cause; reason 3 (朋友; 友情) fr...
  • : Ⅰ動詞(阻隔; 遮擋) block; hinder; obstruct Ⅱ名詞(遮擋物) barrier; block; obstacle
  • : 區名詞(姓氏) a surname
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  1. A failure occurred during an attempt to allocate a resource, such as a thread, a block of memory, or a lock, in a critical region of code

    嘗試在關鍵代碼域中配資源(比如線程、內存塊或鎖)的過程中發生
  2. A failure occurred during an attempt to allocate a resource, such as a thread, a block of memory, or a lock, in a non - critical region of code

    嘗試在非關鍵代碼域中配資源(比如線程、內存塊或鎖)的過程中發生
  3. So data warehouse technique is introduced in fault diagnosis. takes gear case as the instance, the paper uses the data mining to generate rules distinguishing the faults of gear case, and then uses these rules to diagnose unknown fault

    對此,在診斷領域引入數據倉庫技術,並以齒輪箱為例,通過數據挖掘產生齒輪箱各種的規則,並利用這些規則來診斷未知
  4. The mutual inductor of electric current and voltage mutual inductor play an important role in relay protection. prevent from ct differential to protect and miss movement an important subject that the generatrix is protected on the saturation, put forward two electric current pass zero hour linear to spread person who become put into differential to protect in ct in recent years, avoid ct saturation district, can judge the bus bar trouble correctly

    但是在母線外發生短路(特別是電流含有大量非周期量)時, ct會出現飽和現象, ct飽和后,不能正確地傳變一次側電流,從而使二次電流發生嚴重畸變,產生很大的差電流,這樣就容易引起誤動作。防止ct飽和時差動保護誤動作一直是母線保護的一個重要課題,近年來提出的在ct二次電流過零時的線性傳變投入差動保護,避開ct飽和,能對母線做出正確判斷。
  5. The support vector classifier is adopted to identify fault in the two types, and the grid search method based on cross - validation is chosen to determine model parameters

    該模型將變壓器為放電性和過熱性兩大類,通過統計析尋求特徵量類間的類型,採用支持向量機識別類內的類型,利用基於交叉驗證的網格搜索法來確定支持向量機的參數。
  6. At present, the most of vtr which are used in watch - control occasion for speciality are short of a uniform control - check - alarm system, which brings on the discommodiousness of operation and the user can not know the time of occurring a fault, which reduces the reliability of the watch - control system. therefor, at first, i carefully analyze the servo theory of the vtr which had been produced by chmavc with k mechanism to find out the work rule of the control signal ; second, take out some right control signal ; then for dealing with the problem of vtr in use for watch - control, i choose some right components to design the uniform control system for many special vtr with protel software. it mainly includes the following functions : operation functions of all vtr ( for example : power, play, ff, rew, stop, rec, eject, fwd, rwd, sp, lp ) was controlled by line at the same time ; in, the process of recording, when the tape walks to the end or stops by itself, the system gives an alarm and shows the number of the wrong vtr ; in the process of recording, the system gives an alarm and shows the number of the wrong vtr when the video signal from vidicon is losed ; the system controls all vtr to record on the non - working time when there is something wrong in the guarding section ; the system controls the video from vtr to switch to right monitor

    目前,用在監控場合的業務用錄像機普遍缺乏一個統一的控制及檢測報警系統,這就導致了操作的不方便和出現了用戶不知道,降低了監控系統的可靠性,為此,我首先對華錄松下生產的k機芯的錄像機伺服原理進行仔細析,找出各個伺服控制信號的控制變化規律;然後從中選出合適的控制信號;針對目前錄像機在實際監控使用過程中存在的問題,選用合適的元器件;運用protel繪圖軟體,設計了這個多臺業務用錄像機的統一控制系統,她主要包括以下功能:錄像機操作功能(如power play ff rew stop rec eject及正尋反尋帶速設定等)的統一線控控制功能;磁帶在記錄過程中,磁帶到頭和磁帶自己「偷停」的報警,並要能顯示出具體是哪一臺錄像機;在記錄狀態下,攝像頭輸入信號丟失報警,並要能顯示出具體是哪一臺錄像機;在休息或其他不需要記錄時,一旦警戒有情況,則控制所有機器自動進入錄像狀態的功能;從錄像機輸出的監控圖像信號對監視器的切換功能。
  7. At present, differential protection is often used as the main protection for traction transformers. however, the existing of certain factors, such as magnetizing inrush, over - excitation, ct saturation and mismatching of ct ratio, will result in that it is hard to distinguish state current and fault current, and differential protection misoperation or maloperation, then secure operation of electric railways system will be threatened

    目前,牽引變壓器通常採用差動保護作為主保護,但是在某些因數的影響下差動保護並不能準確的牽引變壓器內部或非內部,如電流與變壓器處于勵磁涌流、過勵磁, ct飽和及ct變比不匹配等情況下的狀態電流就很難準確的,可能造成保護誤動或拒動,從而危及整個鐵道電氣化系統的安全運行。
  8. Adding momentum item while correcting weight and limiting range of input value reduce error and improve diagnosis correctness greatly. while normalizing the input value, a new way is put forward that normalization is performed item by item according to its sort. in this way error training can avoid going into the flat field that is caused by existing of 0 or 1 of the input value

    本文首先析了診斷和神經網路的基本理論,並在此基礎上提出了神經網路對于變壓器診斷系統的適用性;文中將bp神經網路演算法用計算機實現;並針對其本身存在的一些缺點提出了一系列改進措施,通過在修正權值的時候增加動量項,並且限制輸入值范圍來減小誤差、提高系統的診斷正確率;在對輸入數據進行歸一化處理的時候,採取按類逐項歸一化的方法,避免了輸入數據出現0或者1而使訓練進入平坦
  9. After analyzing the character of risk, i introduce data mining method into risk management, to solve the contradiction between great capacity of data and lack of information, the methods include mathematics statistics and artificial neural network ( ann ). then, i study on the methods of risk management in risk identification, risk evaluation and risk disposal, what is advanced, fault tree analysis method based on fuzzy probability, stochastic simulation method and the topsis method based on interval number all consider the characteristic of risk. finally, i discussed the application of information system ( mis ) in project risk management, and developed a risk management information system

    論文在深入析了風險特徵之後,將數據挖掘技術引入風險管理,用以解決海量數據與貧乏信息之間的矛盾,所採用的技術有數理統計和人工神經網路( ann )兩種方法;接著,論文對風險識別、風險評價、風險處理中的風險管理方法進行了研究,所提出的基於模糊概率的樹技術、隨機模擬技術和基於間數的topsis方法都體現了風險管理的特點;最後,論文對信息系統( mis )在工程項目風險管理中的應用進行了探討,開發出一個風險管理信息系統。
  10. The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability , insulation coordination , electromagnetic interference , but assault safety 。 in china , the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network , low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai , beijing , and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas , such as zhuhai , substations grounding with low resistance revealed some problems , including power supply reliability rapidly dropping , transmitting line often tripping ; and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance

    爭議點主要是在10kv電網接地的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行析,比較各方式的特點,然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型,在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下,對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算,其計算結果與電科院所作現場試驗進行了比較。
  11. The paper analyses the principles of distinguishing internal faults current from inrush current and their defects at the present time on the basis of investigating widely the existing papers on identification of inrush current

    本文在廣泛閱讀國內外現有的關于變壓器勵磁涌流識別的文獻的基礎上,析了目前變壓器勵磁涌流和電流的多種原理及存在的問題。
  12. In order to meet needs of reliability and speediness of power transformer protection, and to have protection blocking reliably in the presence of magnetizing inrush current, the wavelet transform is applied to the discrimination between inrush current and fault current

    本文把小波變換應用於勵磁涌流的鑒別,詳細探討了用小波變換來勵磁涌流和電流的具體方法,提出了兩種比較適用於工程實際的方法。
  13. Directed against the distributing fault disposing mode and centralizing fault disposing mode of distribution distribution feeder automation, we use two different research methods respectively. under the distributing fault disposing mode , combined with the technological ameliorate of the applying plc in the switch control department of the urban distribution ring feeder, we design a new voltage - current feeder automation flow executing by recloses and sectionnalizers controlled by plc to locate the distribution feeder fault section

    針對配電網饋線自動化的佈處理模式和集中控制模式,別採用了不同的研究方法:在配電網採用佈處理的模式下,結合應用於城市手拉手配電環網的環網開關櫃的技術改造,設計了一種新的電壓-電流型饋線自動化模式,利用可編程序控制器( plc )來控制饋線上的重合器和段開關來實現配電網饋線的域定位。
  14. Malfunctions can be diagnosed using infrared thermography without affecting the work state of tested equipments, thus the diagnostic accuracy can be improved. infrared thermography, just as often, improves electronic fault diagnosis by isolating the malfunction to specific areas of the circuit board, what is more, it usually does point directly to the failing component. thermography even can rapidly diagnose up to hundreds of elements on one pcb at one time, without requiring the operator to know the circuit principle very well, which can reduce the workload greatly

    紅外檢測儀可以對電子設備進行在線測量,檢測時不會影響待測設備的正常工作和頻率特性,這對高頻電路的檢測尤其方便,且能提高診斷的準確性;他通常能指出電路板上的域,甚至經常能直接找出元器件,這樣就提高了維修質量;並且能在不需要檢測人員對電路原理有深入理解和析的情況下,對同一塊電路板上的數十隻甚至數百隻器件同時進行快速診斷,這就大大減少了維修人員的工作量,提高了維修人員的工作效率。
  15. Abstract : the paper introduced the structure, functions and fault analysis of 112 testing system of access networks which has been used in the sixth district office of tianjin telecomm

    文摘:介紹了天津電信六局已投入使用的接入網- 112測試系統的結構、功能及測試和析等等。
  16. Conventional automatic reclosing " s shortcoming is that it acts blindly entirely before reclosing and cannot distinguish instantaneous fault from permanent fault

    傳統的單相自動重合閘的缺點是在重合閘之前,完全是盲目的動作,無法線路發生的是瞬時性還是永久性
  17. The key process of the algorithm, called nodes transforming to arcs, is based on the calculation loads of coupling nodes and arcs loads from the loads of switch nodes. getting the area of coupling nodes is the most important process in nodes transforming to arcs. this paper presents a new method , which uses the adjacency matrix of distribution network and the information matrix of

    變結構耗散網路是一種新的配電網自動化演算法,由配電網開關頂點負荷求弧負荷和耦合頂點負荷的點弧變換是整個演算法中確定配電網饋線域的基礎,而進行點弧變換的關鍵就在於離耦合點域。
  18. Combined with the practical situiation in distribution network, it ' s suitable to select graph algorithm as the theoretical algorithm base. based on structure variable dissipated network theory, this thesis detailedly discusses the transforms of base - to - shape, shape - to - base, vertex - to - arc, arc - to - vertex, over - heated arc dectection, load allotting, load balancing and optimum restoration

    本論文基於變結構耗散網路理論,詳細討論了基形變換、形基變換、點弧變換、弧點變換、過熱弧搜尋、負荷配、負荷均衡化以及優化恢復非停電域供電等一系列與饋線自動化功能相關的處理演算法。
  19. Emphasis on picking up node failure message characters and matrix based on topology fabric and abutment matrix via switch node, analyzing the distribution feeder line break - down at single circumstance, discussing the distribution feeder line break - down judgment matrix, judge out the breakdown area of the segment through analyzing the break - down matrix inside chemical elements

    論文軟體著重研究了以配電網拓撲結構以及開關為節點的鄰接矩陣為基礎、在實時情況下,提取電網節點信息特徵及矩陣,舉例說明了通過析配電網饋線單一情況,利用饋線網路時的段判斷矩陣,通過判斷矩陣中元素的性質,來判斷出段的方法。
  20. The concept of minimum distribution part ( mdp ) is put forward together with the adjacent table based method to divide a distribution network into several mdps. based on above theory ; a novel way to identify fault sections of a distribution network is presented. algorithm to isolate the fault section with minimum switch operations and identifying of over - tripped switches are discussed

    提出最小配電域的概念,並基於等長鄰接表的數據結構建立了最小配電解的方法,在此基礎上發展了一種新穎的配電網域判斷和隔離方法,研究了以最少的開關操作隔離域的方法和越級跳閘開關的判斷問題,探討了針對採用重合段器的配電網域判斷和隔離問題。
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