相間故障 的英文怎麼說
中文拼音 [xiāngjiāngùzhàng]
相間故障
英文
phase-to-phase fault- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 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
- 相間 : alternate with
- 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
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The time - scale amplitude plot and phase plot based on hermitian wavelet transform are presented to singularity detection of signal. the corresponding relation relation between singularity and amplitude plot or phase plot is created. as successful application, fault of axletree damnify is found by means of this method
提出了基於hermitian小波變換的時間?尺度幅圖和相圖來識別信號奇異性的方法,建立了信號奇異點與幅圖和相圖的對應關系,在軸承損傷故障診斷中取得了成功的應用。The paper will study the upper questions based on the two interconnection networks. first, we give a fault - tolerant routing algorithm under the connectivity of the crossed cube in o ( n ) time and the length of the longest routing path ; second, with the rapid progress in vlsi, the failing probability of processors and links is very low, the traditional connectivity underestimates the resilience of large networks / here by applying the concept " conditional connectivity " introduce by harary, we show that the n - crossed cube can tolerate up to 2n - 3 ( n > 2 ) processors failure and remain connected provide that all the neighbors of each processor do not ' fail at the same time, the result is the same as the hypercube. we also give a related algorithm in o ( n ) time, and the length of the longest path ; third, we apply cluster faun tolerance introduced by q. - p
根據menger定理, n -維交叉立方體可以容納n - 1個故障頂點,我們給出了它的時間復雜度為o ( n )的容錯路由選擇演算法及其最長路徑長度分析;在此基礎上本文證明, n -維交叉立方體的條件連通度為2n - 2 ( n 2 ) ,並給出了相應時間復雜度為o ( n )的演算法及其最長路徑長度;除此之外,本文還證明當n -維交叉立方體中的故障簇個數不大於n - 1 ,其直徑不大於1 ,故障頂點總數不超過2n - 3 ( n 2 )時,交叉立方體中任兩個無故障頂點都至少有一條可靠路徑。In this thesis, flow regime identification and malfunction diagnosis of fluidization were studied with fractal technology, the presented methods for both flow regime identification and malfunction diagnosis were proved of effectivity. main achievements are as following : 1. fractal brownian motion ( fbm ) was made from gauss noise and compared with pressure fluctuation signal of gas - solid fluidization, which demonstrated the similarity between the fbm and the signal
在通過fbm (分數布朗運動)數據模擬證明了氣固流化床壓力波動信號與分數布朗運動是相似的基礎上,提出了用分數布朗運動來模擬氣固流化床壓力波動信號,並採用r s分析法從信號時間序列中提取出hurst指數,通過分析信號hurst指數值對流化床流型和結塊故障進行了研究。One fault diagnosis model and corresponding algorithm was constructed based on neural network and evidence theory for taking a step forward diagnosis correct rate, which can cut down the imput dimension of neural network 、 improve classification ability 、 decrease the error classify rate of diagnosis system. then, the feasibility and effectiveness of this method was manifested by specific diagnosis example
為進一步提高診斷準確率,本文基於神經網路和證據理論,構建了基於決策層信息融合的故障診斷模型及其相應演算法,目的在於降低神經網路的輸入空間,提高其分類能力,降低診斷系統的誤分類,診斷實例表明了這種方法的可行性和有效性。There is great change of negative current component when it happens the line - open fault. it is marked as the occurrence of the fault. and it can be concluded the phase characteristic of negative current in the line. in the transient course, there are plenty of harmonics in the fault line. through the transient analysis, it is drawed that the amplitude of each harmonic in fault phase is greater than other phases. harmonic current in fault line is far greater than other normal lines
發生斷線故障以後,線路中會出現負序電流的突變,可以作為故障啟動判斷的標志,並且通過分析得出了故障時負序基波電流的相位特點。在故障暫態過程中,故障電流中含有大量豐富的諧波成分,各次諧波在故障期間有突變,並且衰減很快。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。Based on the result, the fault diagnostication according to fault record data and locating the fault position of staor wtndings are put forwar for the first time, it is innovative and practical
在此基礎上,首次提出用錄波數據對定子繞組匝間短路和相間短路進行故障診斷,確定故障點在定子繞組上的相別和匝數,有創新、有實用價值。It is applicable to various structural distribution networks. while resolving the " large area restoration ", the genetic algorithm execute three same and simple genetic operators : selection, crossing and mutating. it make a self - adaptable and probability overall searching under the leading of fitness value in the whole searching scale until acquiring the best result
在求解網路故障后重構問題時,互動式模糊遺傳演算法通過循環執行相同的、極其簡單的選擇、雜交和變異三種遺傳操作,並在適應度函數值的引導下在搜索空間進行自適應概率性全局搜索,直至獲得全局最優解。Ground fault protection this function trips ( opens ) a circuit breaker or sounds an alarm in the event that there is an electrical fault between one or more of the phase conductors and ground ( earth )
接地故障保護當一個或多個相導線與地之間出現電氣故障時,接地故障保護通過跳脫斷路器或報警來示警。In the second method, wavelet transform is combined with modal transform, and transient travelling - wave signal is used. after three phase signals are decomposed into their modal components, the wavelet transform coefficient of ground mode can be used to identify approximate position of fault, and the wavelet transform coefficient of aerial mode is used for identifying arrival time of traveling - wave
第二種方法將小波變換與模式變換理論結合起來,採用的是暫態行波信號,首先將三相信號轉換成模式分量,零模分量的小波變換系數用於判別故障的大致位置,然後利用線模分量的小波變換系數來確定行波到達時間。If only one phase - to - ground relay operates, the operated phase is tripped in a single - pole tripping scheme ; otherwise, the tree phase of the protected line is tripped
提出了繼電器按單相設置保護方案, ?相繼電器動作跳單相,超過兩相繼電器動作認為是相間故障則三相跳閘。In this thesis, the basic requirement and hardwar system structur of large - sized generator fault recorder are presented according to the fault feat [ lf of large - sized genebor. a l6 bits mi board h l6 chaxmels high speed synchronous saxnpling is developed
論文根據大型機組的故障特點,結合相關的國標和部標,制定了對大型機組故障錄波的基本要求,對錄波量、錄波時間等重要技術指標作了規定。In the procedure of the implementation of the db155m2ip, we also study the theory and concept of the online dual backup system, the difference between db155m2ip and the online dual backup system, the theory of online, the theory of hot swap between primary system and secondry system, fault upload and the implementation of the system software. after implementation the db155m2ip, we test the performance of the db155m2ip, the hot time between primary system and secondry system, fault upload, fault test, fault location
在db155m2ip系統的實現過程中,本課題主要研究了雙機熱備份的概念和工作原理; db155m2ip系統和傳統雙機熱備份系統的不同點; db155m2ip系統心跳線的工作原理、主服務系統和從服務系統之間的切換原理和條件、系統出現故障后的一些故障上傳和相應的軟體子系統的實現。However, it ca n ' t make sure the load balancing for each engine, which usually happened in the long - time business process in particular. as scheduler leads load unbalance, the multiengine adjusts it among many engines based on appropriate model tactics and information in real time, which improve the efficiency of large scale distributed businesses
當多引擎間任務調度出現不平衡,導致某些節點負載過重或是某個節點出現故障時,多引擎能夠根據相應模型策略和實際的信息來動態調整各節點的負載,這樣可以在一定程度上解決有大量分散式事務處理時的性能問題。Minimum trip for phase, ground and sensitive ground faults
相間,接地和靈敏接地故障的最小跳閘電流During the infrared failure circuit detection system is diagnosing the electronic equipment, because the time and the place are different between the infrared thermal imaging device is diagnosing the standard electric circuit board and the infrared thermal imaging device is diagnosing the failure electric circuit board, the position of their infrared thermal image will take place the relative changing ( for example translation or revolves )
在紅外電路故障診斷系統對電子設備診斷時,由於紅外熱像儀對標準電路板進行檢測的時間與地點和紅外熱像儀對故障電路板進行檢測的時間與地點的不同,導致它們的紅外熱像圖的位置會發生相對改變(如平移或旋轉) 。Shorted rotor winding is a usual electric fault of synchronous machines. based on the analysis of fault mechanism especially the magnetic characteristics of tum - to - turn short circuit of rotor windings in turbo generator, the paper studies the diagnose method, which combines the traditional method with the intelligent method, to identify the fault and the severity
轉子繞組匝間短路是一種常見的發電機電氣故障,本文對其故障機理和磁動勢進行了分析,將傳統的方法和智能化方法相結合,對轉子繞組匝間短路的存在性和故障嚴重性進行了診斷。It includes : dynamic show of technics flow, real time data acquirement and show, history data save and print, fault alarm, etc. the plc control system mainly accomplishes the wastewater technics flow control, harmonizes the logical relationship among local intelligent control instruments and transmits the state of each local equipment to the industrial computer simultaneously, the plc control station receives the control commands from the industrial computer ; the local intelligent units take charge of the correlated parameters measure, disposal and control, and it will transmit the related parameters to the computer, etc. in this thesis, introduced municipal wastewater treatment technics, the integrated application program development of computer, the design method of plc control station, the communication between plc control system and computer, and the network of wastewater treatment with profibus - dp was also discussed
上位計算機主要實現遠程監測和管理功能,具體包括:工藝流程動態顯示、實時數據獲得及顯示、歷史數據存儲與列印、故障報警等功能plc控制系統主要完成工藝流程式控制制以及協調現場各智能儀表之間的邏輯關系,將現場各設備的運行狀態通過通訊網路傳輸到上位計算機,並接收上位計算機的控制指令;現場各智能儀表單元負責各相關參數的監測和處理、控制,並將有關參數送往上位監控計算機進行處理、保存等。本文以莎車污水處理項目為例,介紹了城市污水處理工藝、上位監控計算機的綜合應用程序開發、城市污水處理自動控制系統plc控制站的設計和採用profibus系列中廣泛應用於現場設備的profibus - dp總線。For phase - to - phase fault, it trips three phases and recloses three phases ( checking synchronization and no - votage ) ; when reclosing on permanent fault, it trips three phases
使開關相間故障跳三相,重合三相(檢定同期或無壓) ,重合於永久性故障跳三相。The middle storage pulverizing system for chongqing power plant is mainly researched in this paper, and bp neural network 、 mixed knowledge representation 、 expert system based on knowledge technology etc are used in this fault diagnostic system
本文以重慶發電廠中間儲倉式制粉系統為主要研究對象,採用bp神經網路技術,並結合混合型知識表示和知識獲取方法、基於知識的專家系統等技術,對制粉系統故障及其相關故障診斷系統進行了開發研究。分享友人