electrical faults 中文意思是什麼

electrical faults 解釋
走電
  • electrical : adj. 1. 電力的，電動的，發電的；電氣科學的。2. 令人激動的，緊張的，驚人的。adv. -ly ,-ness n.
  • faults : 錯誤
  1. The results of 2 - d resistivity inversion of the yishui - tangtou and the liujazhuang faults indicate that electrical structures on both sides of the fault zone present obvious difference, the resistivity of the hanging wall is low and partially high, while that of the foot wall is high, and the faults are high - obliquity faults

    沂水湯頭斷裂、劉家莊斷裂的二維電阻率反演結果表明，斷裂帶兩側的電性結構呈現出整體性的差異，正斷層的上盤為低阻區和局部高、低阻擾動區；而斷層下盤多為均勻的高阻區；斷層為高角度斷層。
  2. A novel measurement and control system ( mcs ) used in hv flameproof switchgear has been established based on the 80c196kb single - chip microprocessor, by which electrical faults such as short circuit, over - load, over - voltage, open circuit, earth leakage and so on can be automatically distinguished and processed, and with the exception of this, the insulation degree of the double screen cables is monitored on - line. the operating condition and fault parameters can be displayed in turn with liquid crystal display

    該系統能自動判斷短路、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，大屏幕液晶顯示器實現了電太原理工大學碩士學位論文網參數的輪流顯示，通過撥碼盤輸入系統各項整定參數，真正實現了保護系統數字化。
  3. To ensure safe and reliable operation. however, as unscheduled machine downtime can upset deadline and cause heavy fmacial losses, improvements were sought in the field of fault diagnosis. in 1970 ' s a new technology of electrical machines " fault diagnosis - condition monitoring has arisen. the technology could judge and diagnose the faults by advanced technology and analysis instrument when the machine is on - line

    70年代興起的設備故障診斷技術是一門新技術，它能實現設備在帶負載運行、不停機的情況下，通過使用先進的技術手段對設備狀態參數監測和分析，判斷設備是否存在異常或故障，故障的部位和原因以及故障的劣化趨勢，以確定合理的檢修時間和方案。
  4. Neural networks method for diagnosing faults of rolling bearing in electrical machines with frequency signatures

    運用頻率指標診斷電機軸承故障的神經網路法
  5. Faults analysis and preventive measurement for electrical network pollution and snow flash

    電網污閃和雪閃故障原因分析及預防措施
  6. Electrical installations of buildings part 4 : protection for safety, chapter 44 : protection against overvoltages section 442 - protection of low - voltage installations against temporary overvoltages and faults beween high - voltage systems and earth

    建築物電氣裝置第4部分:安全防護第44章:過電壓保護第442節:低壓電氣裝置對暫時過電壓和高壓系統與地之間的故障的防護
  7. The electrical resistivity tomography survey was conducted to detect the active faults along the tanlu fault zone in weifang, shandong province

    摘要在城市活斷層調查中，利用電阻率二維層析成像測量方法，對郯廬斷裂帶山東濰坊段的地震活斷層進行了探測試驗，取得了較理想的勘探效果。
  8. The typical faults of the automobile electrical control system are taken for example, and their technology condition features are described. ann is used for the fault pattern recognition. because the construction of electrical control system is complex, the fault symptoms have the basic feature that one fault is resulted from many reasons

    以汽車電控系統的典型故障為例，對故障癥兆的技術狀態特徵的描述、利用神經網路進行故障模式識別及其故障部位判斷與故障原因分析等問題進行了深入的研究。
  9. It is indispensable to diagnose the faults of electrical apparatus by making use of fuzzy expert system just because the strength or weakness of equipment characterization and the fault level are all fuzzy concept. traditional logistic diagnosis is hard to express fuzzy concept, however, < wp = 7 > fuzzy expert system can solve this problem and improves the accuracy of diagnosis by much.

    我們知道設備的診斷會出現這樣的問題，即設備特徵的強弱、故障的嚴重性都是模糊概念，傳統的邏輯診斷很難表達這種模糊性，但模糊專家系統能夠很好地解決此問題，使故障診斷的準確性大大提高。
  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. Locate faults in electrical systems quickly, and view thermal images on the 2. 5 color lcd

    Thermacam e30的熱靈敏度高達0 . 10 ，可進行精確的非接觸溫度測量。
  12. 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。
  13. Electrical machines are the most important and main drive devices in manufactures and our daily life. no other kinds of machines can replace them. they are widely used in the modem world. without electrical machines, the world would not be what it is today. when operating, they might have a lot of faults. if a main electrical machine is wrong in a work line, the whole line will stop, even the whole productive system. the phenomenon of the faults are so complicated and various that the maintance worker should be skillful and very experienced. the history of fault diagnosis and protection is as archaic as the machines themselves

    電機是當今生產活動和日常生活中最主要的原動力和驅動裝置，它廣泛地應用於現代工業生產中，它們數量之多，地位之重要，幾乎沒有其他設備所能與之相比。電機在運行過程中，難免會出現這樣那樣的故障，假如一條生產線上的主要電機故障，必將造成生產線停工，甚至會影響整個大生產系統的工藝流程。電機的故障現象比較復雜，要求維修人員具有較高技術水平與經驗，才能發現和判斷。
  14. 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。
  15. Mine electrical method exploration for floor water bursting area of overgrown faults mining face in thin coal seam

    薄煤層斷層發育工作面底板突水區井下電法探測研究
  16. The low - voltage breaker is a kind of switch electrical appliance. it can get - on and cut the distribution circuit and protect all kinds of faults. it can be widely used in the low - voltage distribution system

    低壓斷路器是用於接通、分斷配電電路及對各種故障進行保護的一種開關電器，廣泛應用於低壓配電系統中。
  17. Unfortunately, there is a big difference between the vibration of water turbo - generators and other rotating machines. the nature of the coupling arised by hydro -. mechanical and electrical factors, no unique relationship between the specific faults and associated vibration features and additionally the super - imposing of various vibrations at a certain position of a unit make it difficult to ascribe the severity of vibration in accurate words

    然而，水輪發電機組的振動與其他旋轉機械的振動有很大不同，水力、機械、電氣三方面因素引起的振動形成的耦聯、振動故障與振動特徵的非一一對應性及多種振動在某部位的疊加，形成了水輪發電機組振動的復雜性，很難用準確的語言來描述振動的程度及振動是否存在，這就給振動原因的分析帶來一定困難。
  18. Cases in all, followed by accidents involving the preparation of foodstuffs and electrical faults, which accounted for

    其次是煮食和漏電引發的意外，分別有
  19. Careless handling or disposal of smoking materials was still the major cause of fires, totalling 2 976 cases in all, followed by accidents involving the preparation of foodstuffs and electrical faults, which accounted for 2 689 and 1 007 cases, respectively

    不小心處理或棄置煙蒂火柴仍是起火的主因，共有2976宗。其次是煮食和漏電引發的意外，分別有2689宗和1007宗。
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