有故障的絕緣 的英文怎麼說

中文拼音 [yǒugùzhàngdejuéyuán]
有故障的絕緣 英文
faulty insulation
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 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
  • 的 : 4次方是 The fourth power of 2 is direction
  • 絕 : Ⅰ動詞（斷絕） cut off; sever Ⅱ形容詞1 （完全沒有了; 窮盡; 凈盡） exhausted; used up; finished 2 ...
  • 緣 : Ⅰ名詞1 （緣故） reason 2 （緣分） predestined relationship 3 （邊） edge; fringe; brink Ⅱ動詞（攀...
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  • 絕緣 : 1 [電學] （隔斷電流） insulation; isolation; insulate; isolate 2 （跟外界不發生接觸） be cut off ...
  1. In order to verify the effectiveness of steep - front impulse voltage test in finding the internal faults of composite insulator, some insulators with faults, including conductive channel, semi - conductive channels, airy channel, partial little air bubble that occur separately at different place, are modeled. steep - front wave impulse voltage test is made for these faulty insulator and normal insulator

    為了檢驗陡波試驗對于發現合成絕緣子內部故障的有效性，分別模擬了絕緣子內部不同部位有導電性、半導電性通道，小氣泡，金屬雜質，長氣泡以及芯棒與護套間不粘連故障的絕緣子，並從三維靜電場計算和用不同陡度的陡波試驗兩個方面進行了驗證。
  2. Di - on electric one of the beijing hi - new - tech enterprise develop and manufacture lots of equipment like sf6 dewpoint meter dp100, cable fault location system cfl6000 and more. di - on electric supply the most advanced technology and equipment on such as gis surge arrestor on line monitoring, resistance measuring, ac dc metrology, thermal - temperature bridge, power transformer diagnostic and testing, cable diagnostic and fault location, sf6and oil moisture measuring, oil treatment and testing, optic fiber temperature monitoring, circuit breaker testing, relay testing and more

    迪揚電氣在gis和避雷器的帶電測試與故障診斷分析，電力電纜的故障定位與局放檢測，變壓器電抗器的各種測試診斷與溫度監測， sf6的水分測量與回收，絕緣油的測試分析與濾油處理，紅外測溫與光纖在線測溫，以及各種電阻測試與計量，溫度計量與電能計量等方面擁有世界一流的技術與成熟的儀器設備。
  3. Utilising dissolved gases analysis, a new insulation fault diagnosis method for power transformers is proposed. this method is based on the group grey relational grade analysis method. first, according to the fault type and grey reference sequence structure, some typical fault samples are divided into several sets of grey reference sequences. these sets are structured as one grey reference sequence group. secondly, according to a new calculation method of the grey relational coefficient, the individual relational coefficient and grade are computed. then according to the given calculation method for the group grey relation grade, the group grey relational grade is computed and the group grey relational grade matrix is structured. finally, according to the relational sequence, the insulation fault is identified for power transformers. the results of a large quantity of instant analyses show that the proposed method has higher diagnosis accuracy and reliability than the three - ratio method and the traditional grey relational method. it has good classified diagnosis ability and reliability

    基於變壓器油中溶解氣體分析，提出了一種基於群灰色關聯度分析的變壓器絕緣故障診斷新方法.首先根據故障類型與灰色參考序列構造，選擇變壓器典型故障樣本構造多組參考序列，這些參考序列組構成一個灰色參考序列群.其次根據給出的新的關聯系數計算方法，計算個體關聯系數和關聯度.然後根據給出的群灰色關聯度計算方法，計算群灰色關聯度和構造群灰色關聯度矩陣.最後根據關聯序識別變壓器絕緣故障診斷.通過大量變壓器絕緣故障診斷實例分析，所提方法診斷準確性與可靠性優於三比值法和傳統的灰色關聯分析方法，具有較好的分類診斷能力和可靠性
  4. Model sywly - 75 physics high to foam polyethylene insulating, aluminum pipe other conductor coaxial cable suitable for catv backbone project, its interior conductor adopt bastion of iron make aluminium, other conductor adopt aluminum pipe, the two have the same hot coefficient of expansion and modulus of elasticity, woods reduce in cable conductor draw the troubles that are led to the fact

    Sywly - 75型物理高發泡聚乙烯絕緣、鋁管外導體同軸電纜適用於catv主幹線工程，其內導體採用銅墻鐵壁包鋁，外導體採用鋁管，兩者具有相同的熱膨脹系數和彈性模數，林減少了由電纜內導體拉拔所造成的故障。
  5. In connection with the difference and distribution characteristic of the samples in sample space rs based on dga, a new self - adapted weight fuzzy omean clustering model of fault diagnosis of the power transformer based on the potential function is proposed. meanwhile, from the aspect of geometry characteristic of fc - divided in s dimension sample space, a method is proposed for the purpose of getting an effective adjacent radius, adaptive cluster number c and original cluster center of x sample set. for the diagnosis sample x, the property measure and diagnosis rule are proposed, which under the condition of potential density function that determine c number of optimal fuzzy cluster p1

    根據以變壓器dga數據為特徵量的樣本空間各樣本差異特性以及樣本在空間r ~ s的分佈特性，首次提出了基於勢函數自適應加權的變壓器絕緣故障診斷的模糊c -均值聚類模型；同時，從s維樣本空間的f ~ c -劃分幾何特性出發，提出了一種求取樣本集的類勢有效鄰域半徑和自適應求取聚類數和聚類中心初值的方法；對一個待診斷樣本，設計了基於類勢密度函數意義下的屬性測度和診斷準則。
  6. The core of epiipc is the 51 series microcontrollers, which automatic detect the error signal of the circuit, like short circuit, overload, high voltage, low voltage, current leakage etc. meanwhile it monitors and tests the insulation level of high voltage cable, with convenience two variable key setting and full chinese version lcd display features

    本次研製的保護器以高檔51系列單片機為核心，能自動判斷線路中出現的短路、過載、過壓、欠壓、漏電等故障，並對高壓電纜的絕緣水平進行實時監測，有方便的兩鍵參數設定和全中文液晶顯示功能。
  7. Under the conditions of high safe coefficient of insulated electrical strength of the stator winding of the generator, the selection of earthing resistance value should meet the needs of matching one - point earthing protection of the stator and limiting the fault current

    在發電機定子繞組絕緣電氣強度有較高的安全系數的情況下，接地電阻值的選取應主要服從與定子一點接地保護的配合及限制接地故障電流的需要。
  8. The final result shows that steep - front wave impulse voltage test plays a very effective part in finding serious faults of the insulator, however, tiny faults are not easy to be found through this method

    計算和試驗結果相一致，結果表明陡波試驗在檢驗合成絕緣子嚴重內絕緣故障方面很有效，但對較輕的故障就不太有效。
  9. Utilities spends significant amounts of money on insulator washing and cleaning before the restoration of the service. laboratory studies and industrial experience have shown that both contamination and wetting of insulator surfaces, which initiate the flow of leakage current, are required for insulator flashover. the leakage current leading to flashover has distinctive stages of development

    人們在詳盡的理論分析和大量的高壓實驗后，發現絕緣子泄漏電流的變化與其污穢及受潮程度有著密切的關系，綜合反映了污閃的發生過程，因此泄漏電流檢測是診斷線路絕緣子早期故障的一種有效手段。
  10. In accordance with the technological difficulties encountered in the process of insulation supervision based on the dissolved gases analysis ( dga ), several kinds of model and method are presented to improve the reliability and precision of fault diagnosis of the power transformer. main research content includes : by deeply studying the common transformer faults diagnosing methods, such as three - ratio methods and improved electrical committee agreements, several shortcomings such as uncertainness judgment when the fault reasons, phenomenon and principles come out together while can not consistent to each other etc. for this reason, the old methods can not fully meet the need to engineering practical application. considering fuzzy relationship matrix can fully represents the causality between fault symptoms and fault types, when diagnosing complex equipments with multiple symptoms and fault causes such as power transformer, a synthetic fuzzy diagnosing model is firstly proposed to diagnose transformer ' s insulation faults based on dga in this paper

    本文針對應用油中溶解氣體分析方法進行變壓器絕緣監督時所遇到的主要技術難點，提出了提高變壓器故障診斷的準確性、可靠性的幾種模診斷方法，主要研究內容有：通過對判斷變壓器故障常用的三比值法和改良電協研法的深入分析，其診斷準確率較高，但對故障原因、故障現象和故障機理間同時存在不確定性和模糊性的變壓器等電氣設備的故障診斷，難于滿足工程應用的需要；在處理變壓器等結構復雜設備的多癥狀、多原因故障診斷時，模糊關系矩陣可以全面反映這種癥狀與故障類型間的因果關系，進而提出了變壓器故障診斷的模糊綜合診斷模型；同時作者還深入分析了模糊運算元的特性；針對常用的模糊評判結果的模糊集的集化方法的不足性，提出了將模糊綜合診斷與模糊規則推理結合起來進行故障診斷的方法，能達到較好的效果。
  11. It can also determine the fault spot and reason. this technology has been used in some technological fields and proved efficient. it has promoted the revolution of maintance system and the historial protection is replaced by preventive maintenance. with this technology, we can improve the reliability of machine and decrease the maintance fee. recently, reserch has pick up a fervent pace in the area of fault diagnosis of electrical machines. the paper simply analyzes the fault reason of electrical machines, stressly describes and explores the methods of condition monitoring and fault diagnosis such as partial discharge, stator current, rotating speed, vibration etc. fault prognosis is now include diagnostic feature, reason, spot. prodigious improvement in signal processing hardware and software has made this possible. primarily, these techniques depend on locating specific harmonic components of the fault. these harmonic components are usually diffirent for diffirent types of faults. automated tools such as fuzzy logic based system is also simply presented in the paper

    本文從絕緣結構的故障機理入手，以絕緣結構故障的典型特徵? ?局部放電為研究對象，重點討論局部放電的在線監測方法、適用場合併比較它們的優缺點；在分析籠型異步電機轉子斷條在線監測的定子電流監測方法后，根據其缺陷，本文探討了溫升不平衡法、希爾伯特變換數字濾波、小波包分析法的原理及優點；以電機軸承、氣隙偏心等故障為研究對象，通過對電機振動和轉速頻率的檢測，診斷電機的故障類型；本文的重點工作是將人工智慧技術中的模糊技術應用於電機的狀態監測和故障診斷中，力求使電機故障診斷更接近人工智慧化；最後，本文對電機狀態監測和故障診斷系統進行了硬體和軟體初步設計，為實現預測維修提供了有效的技術手段。
  12. The operation reliability of the power transformer as the key equipment in electrical power systems, influences operation security of electrical power systems directly. the components and contents of gases dissolved in transformer oil can be used to reflects internal insulation faults of operating transformer. in order to overcome the errors caused by complex handling procedure and man - made factors using general chromatogram analysis method, author brings forward an on - line detecting of gases dissolved in transformer oil by using macromolecule polymer to separate oil and gases automatically and an information fusion technology of multi - sensors ; at the same time, in order to improve the accuracy and reliability, author uses neural networks to diagnose transformer faults

    變壓器作為電力系統的樞紐設備，其運行可靠性直接影響電力系統的安全運行；變壓器油中溶解氣體的成分和含量能有效體現運行變壓器內部的絕緣故障情況，為解決常規色譜分析中復雜的操作程序和由於人為因素引起的較大的誤差，論文提出了應用高分子聚合膜實現變壓器油氣自動分離、多傳感信息融合技術智能檢測多種氣體成分的變壓器油中溶解氣體在線監測技術，應用神經網路智能診斷方法實施故障診斷，提高變壓器故障診斷的準確性和可靠性。
  13. Plenty of diagnosis examples demonstrate the validity of the gray relationship analysis method in diagnosing power system insulation faults. not only the misjudgment rate can be reduced, but also the transformer fault incidences can be classified by using self - adapted weight fuzzy clustering method. further more, the transformer insulation condition can be analyzed, as well as the fault position can be located by recognizing the fault types

    經過大量的診斷實例表明：本文的模糊綜合診斷與模糊規則推理結合起來的故障診斷方法對電力研究變壓器絕緣故障診斷是有效的，能大大減少錯判、誤判比率；自適應加權模糊聚類方法能對變壓器的故障樣本正確分類，同時能有效判別故障類型，診斷的準確性大大高於常用的三比值法。
  14. The research works are shown mainly as follows : 1 ) the actuality and outlook of on - line detecting and fault diagnosis technology of gases dissolved in oil are analysed deeply, and characteristics of insulation structure of power transformer, evaluation of operating reliability and the relationship between ordinary faults inside transformer and gases dissolved in transformer oil are studied too. analysing the purposes of detecting gases dissolved in transformer oil on - line, we can know that primary indexes to evaluate the technology of on - line detecting gases dissolved in transformer oil are reliability of system, accuracy of detected data, validity of diagnosis, automatization and price of systems

    主要研究內容有： 1 ）深入分析變壓器油中多種溶解氣體在線監測及故障診斷技術研究現狀及應用前景，研究電力變壓器絕緣結構特性、運行可靠性評估以及變壓器內部常見故障與油中溶解氣體對應關系，通過對在線監測變壓器油中溶解氣體的目的分析得出系統運行的可靠性、監測數據的正確性、診斷的有效性、系統的自動化程度、系統的價格等是綜合評價變壓器油中溶解氣體在線監測技術的指標。
  15. The status of hvdc insulation monitoring was analysed. the method and problems of earth - fault detection for hvdc system were analysed as well. the operation principle and features of a new type hvdc insulation monitoring system were introduced. a scheme of hvdc system earth - fault detection was presented

    分析了國內直流系統絕緣監測領域的現狀，就現有的直流系統接地故障檢測方法及存在的問題進行了分析；介紹了一種新型直流系統絕緣監測系統的工作原理及其特點，提出一種直流系統接地故障檢測的方案。
  16. In this thesis, the insulation failures characteristics of oil - filled transformer are analyzed firstly. then the existing measurement techniques used for on - line monitoring are compared each other in accordance with the practicability and the validity

    本論文在分析了油浸式變壓器各種絕緣故障特性的基礎上，對常見在線檢測技術的實用性和有效性進行了對比，最終採用油色譜分析法實現變壓器絕緣的狀態檢測。
  17. An economical and effective new technology using sound card is proposed in this paper. it collects the leakage current from high voltage insulator, and then deals with the noise elimination using wavelet analysis. compared with the traditional signal analyzing method, the wavelet analyzing technology not only can distill the leakage current signal from the noise precisely, but also can distinguish the low quality character of leakage current signal. this method plays an important role to the device in early fault diagnosis, and can improve the accuracy of measurement and fault diagnosis in the application

    介紹了一種利用電腦的聲卡對高壓絕緣子的泄漏電流進行採集的經濟有效的新技術，並通過小波分析技術對所獲得的信號進行消噪處理.與傳統的信號分析方法相比，小波分析技術不僅能從噪聲中準確提取待測泄漏電流信號，同時又可真實復現泄漏電流信號中的劣化特徵，這對設備的早期故障診斷具有重要意義.顯著提高了測量的準確度，增強了設備故障診斷的準確性
  18. It has been proved that this protective system is able to detect effectively monitoring insulation, and is of rapid responding characteristics

    實驗證明：該方法可有效地檢測電纜的絕緣狀況，並實現了電纜短路故障時的超前切斷功能。
  19. Based on summarizing the present technology on xlpe faults detection and reference the pd detection method on power transformer, this paper introduces a method on recognition pd mode of xlpe. this paper uses discharging quantum and stat. arithmetic operators of chart as inputs to artificial neural network

    本文在總結前有的xlpe電力電纜絕緣故障檢測方法和借鑒變壓器絕緣局部放電的基礎上，以理論與實驗相結合，研究了基於人工神經網路的以xlpe電力電纜局部放電信號的模式識別方法。
  20. 3 ) studying the principle and method of many sensitive elements which are used to detecting the gases dissolved in oil, author bring forward the viewpoint that sensors of mq series have obvious selectivity and higher accuracy when they detect gases of h2, co, ch4, c2h4, c2h2and c2h6 dissolved in oil. especially, the accuracy of c2h2 which reflects the main faults of transformer can reach 1ul / l

    3 ）研究採用多種傳感元件檢測變壓器油中多種溶解氣體的原理及方法，研製的mq型系列傳感器對變壓器油中h2 、 co 、 ch4 、 c2h4 、 c2h2 、 c2h6六種溶解氣體具有明顯的選擇性和較高的靈敏度，特別對體現變壓器內部絕緣故障較敏感的c2h2氣體的檢測靈敏度達1 l / l 。
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