絕對故障 的英文怎麼說

中文拼音 [juéduìzhàng]
絕對故障 英文
absolute failure
  • : 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 ...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 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
  • 絕對 : absolute
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  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

    為了檢驗陡波試驗于發現合成緣子內部的有效性,分別模擬了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. The second class cable ? suitable for more the earthing ? block time and more better insulated performa

    第二類? ?用於接地時間更長的系統及電纜緣性能要求較高的場合。
  3. With the development of the network and the multi - processor system, the research, simulation and the impemeni of the system - level fault diagnosis which is the very important means to increase the reliability of the system, are becoming more and more important. on the system - leve1 fault diagnosis, based on the group theory of system - level fault diagnosis that has been put forward by pro f zhang, the paper constructs newly the theory bases, improves on the matrix method, reinforces and consummates group arithmetic of all kinds of test mode, for the first time, analyses and discusses the equation solution of all kinds of models, so al1 the consistent fault patterns ( cfp ) could be found, straightly and high efficiently, even if the sufficient and necessary condition of t - diagnosable is dissatisfied and the complexity of system - level fault diagnosis is greatly decreased, especialy in strong t - diagnosabl6 system. last the simulation system ' s function has been extended and the application hotspot and the development trend have been disscussed

    本人在張大方教授等人提出的基於集團的系統級診斷的理論基礎上,重新構建了系統級診斷的理論基礎,定義了系統級診斷測試模型的三值表示;改進了系統級診斷的矩陣方法,重新定義了測試矩陣、鄰接矩陣、結點、結點的相連運算、極大準集團和斜加矩陣,由此能直觀、簡便地生成集團和極大獨立點集;補充和完善了各類測試模型的系統級診斷的集團演算法,通過定義集團測試邊和絕對故障集,簡化了集團診斷圖,由此能較易地找到所有的相容模式,即使不滿足t -可診斷性,大大減少了系統級診斷的復雜度,尤其是強t -可診斷系統;首次分析探討了各類測試模型的方程解決,由此從另一角度能系統地、高效率地求出所有的相容模式( cfp ) :擴充了系統級診斷模擬系統的功能,快速、直觀和隨機地模擬實驗運行環境,進行清晰和正確的診斷,同時提供大量的實驗數據用於理論研究,優化演算法和設計。
  4. 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;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。
  5. The probability and unconditional failure intensity of top event was computed in the quantitative analysis of fta based on bdd

    在基於bdd的樹定量分析研究中,實現了頂事件發生概率和失效強度的求解。
  6. In this thesis the high voltage electric capacity equipment is adapted as on - line object of monitor and diagnose system. the system ' s structure of high voltage electric equipment is introduced, and the possible to each error occuring in high voltage capacity type equipments during the monitoring, analysis and judgment is given

    本文選擇變電站高壓電容型設備作為在線監測的象,探討了高壓電氣設備在線監測系統的構成,在理論上分析了變電站小四器的緣特點,並其在在線監測和診斷中可能出現的誤差進行了分析和判斷。
  7. 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,並高壓電纜的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。
  8. With an introduction of cable laying and the environment for the cable, this paper classifies the cable faults recorded on the historic statistics, holds that the armored cable and the on - line detection method shall be adopted, professional evaluation system also be established for the improvement of cable operation

    介紹了上海地鐵直流電纜的敷設方式和環境,在統計歷史的基礎上直流電纜進行了分類,提出了在新線建設和改造項目中,盡可能採用帶鎧裝的軟電纜;通過在線檢測手段,建立專家評估系統,評定緣的優劣並預警其劣化的趨勢;改進直流電纜敷設質量,改善其運行環境等措施和建議。
  9. The amount of relay protection setting is increased along with rapid devejopment of power network and increase of the amount of power network node. so the stand - alone computer, g / s modes have not been satisfied the need of developing power system. it is necessary that let the related computers to work out the fault of power system in time

    隨著我國電力事業的快速發展,電網大規模擴建,使各級電網節點數量不斷增加,這大大增加了繼電保護整定計算量,而計算占其的比例,因此基於單機版和c s模式的電網計算軟體已經或即將不能滿足電網擴建的要求,必須讓多臺連網的計算機同時進行計算。
  10. 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,並高壓電纜的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。
  11. In this paper, aim at the condition that the large - acreage contamination flashover happened many times in electric network in south of hebei province under bad weather, the cause of the five large - acreage contamination flashover is analyzed from such ways as the insulated level of power transformation device, air pollution, meteorologic factor and so forth

    本文針河北南部電網在惡劣氣候侵襲下,曾多次發生大面積污閃情況,從河北南網輸變電設備外緣水平、大氣污染和氣象因素等方面,分析了河北南網五次大面積污閃的起因。
  12. 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緣子嚴重內方面很有效,但較輕的就不太有效。
  13. Jdy - 280b double electromagnetic lock product characteristic : strong holding force, no left magnet easily installed, low noise, durable no mechanical failure with signal feed back function applications : can be used with intercoms and access control systems, especially for fireproof door working voltage : 12vdc 24vdc working current : 12vdc 0. 27a, 24vdc 0. 46a power consumption : 3. 3w, 3. 5w, absolutely insulative power supply mode : successively working temperature : - 40 50 dimension : 473 x 45 x 30mm weight : 3920g yiwu qimingxing computer company copy right

    Jdy - 280b雙開門磁力鎖產品特性:吸力強無剩磁安裝方便噪音低壽命長具保護功能,無機械可具資訊回饋功能鎖狀態有指示燈指示:鎖門時綠燈指示燈亮開門時,紅色指示燈亮帶鎖狀態指示燈及聯網信號輸出適用范圍:可與樓宇講門禁系統配套使用特別適用於逃生門防火門電氣性能:電氣性能:使用電壓: 12vdc 24vdc電流: 12vdc 0 . 53a 24vdc 0 . 27a緣電阻測試: dc500v 1分鐘無擊穿通電形式連續使用溫度: 40 50外形尺寸: 473 x 45 x 30mm重量: 3920g
  14. From theoretical analysis, we know the existing demodulation methods have limitations as following : one is that the subtraction of the two signals frequencies will display as the result of demodulation when we demodulate two time - domain adding signals without modulating information ( fault information ) ; the other one is that aliasing phenomenon will occur as a result of getting absolute value, detection or square in the process of generalized demodulation analysis, such phenomenon will result in some superfluous frequency composition on the frequency spectrum, which will puzzle the detec tion of mechanical vibration. if the sampling frequency is selected from a suitable range, the aliasing phenomenon will be avoided ; the last one is that aliasing frequencies will be produced in zoom demodulation analysis because this algorithm cannot employ digital low - pass filtering to avert the folding frequencies of higher harmonics in the process of zoom sub - sampling

    現有的解調分析方法存在以下三種局限性:將不包括調制信息(信息)的兩時域相加信號,也以其頻率之差作為解調信號而解出;廣義檢波濾波解調分析中,由於取值、檢波或平方過程可能產生混頻效應,在解調譜中表現為無法分析的頻率成分,並由此推導出避免這種混頻現象的采樣頻率的選取范圍,從根本上避免此類誤診斷的產生;幾種細化解調分析新演算法中,因為無法在細化分析的選抽時進行數字低通濾波,有可能會出現調制頻率的高次諧波成分發生頻率混疊而反折到低頻部分的現象。
  15. Conventional iec three ratio method and new iec ratio criterion are reduced according to the method of decision table in rough set theory respectively, simplified diagnosis rules are proposed. besides being identical with original iec method, the codes of conventional iec three ratio method are increased and bounds of new iec ratio criterion are augment by using this method, codes imperfectness of conventional iec three ratio method and code name absence of new iec ratio criterion are improved to some extent, scarcity of codes in conventional iec three ratio method is offseted, absolutization of sort and boundary in new iec ratio criterion is overcomed. this is important in practice for its flexibility and enhanced error tolerances

    應用粗糙集理論中的決策表化簡的方法分別常規iec三比值診斷表和iec新導則診斷表進行了化簡,得到了簡化的診斷規則,它們不但具有與常規iec三比值法和iec新導則完全相同的診斷分類能力,而且擴充了常規iec三比值表的編碼范圍和iec新導則的診斷范圍,在一定程度上改善了常規iec三比值表編碼缺損和iec新導則無應代號的問題,彌補了常規iec三比值法編碼的不足,克服了iec新導則分類及邊界的化,使得iec診斷法在實際診斷中更具靈活性、實用性和容錯性,提高了診斷能力。
  16. 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

    本文針應用油中溶解氣體分析方法進行變壓器緣監督時所遇到的主要技術難點,提出了提高變壓器診斷的準確性、可靠性的幾種模診斷方法,主要研究內容有:通過判斷變壓器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,但原因、現象和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、多原因診斷時,模糊關系矩陣可以全面反映這種癥狀與類型間的因果關系,進而提出了變壓器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診斷的方法,能達到較好的效果。
  17. 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診斷方法電力研究變壓器診斷是有效的,能大大減少錯判、誤判比率;自適應加權模糊聚類方法能變壓器的樣本正確分類,同時能有效判別類型,診斷的準確性大大高於常用的三比值法。
  18. 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特性的基礎上,常見在線檢測技術的實用性和有效性進行了比,最終採用油色譜分析法實現變壓器緣的狀態檢測。
  19. 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,特別體現變壓器內部較敏感的c2h2氣體的檢測靈敏度達1 l / l 。
  20. This paper emphasized the application of synthetic intelligence technology. the hierarchical structure of diagnose is proposed, and the analysis the synthetic diagnosis is realized primarily

    此外,還介紹了綜合智能技術在緣在線診斷專家系統中的應用,提出了診斷的分層結構,初步實現了的綜合診斷。
分享友人