暫態性故障 的英文怎麼說

中文拼音 [zhàntàixìnggùzhàng]
暫態性故障 英文
transient-cause forced outage
  • 暫 : Ⅰ形容詞（時間短） short; momentary Ⅱ副詞（暫時） temporarily; for the moment; for the time being
  • 態 : 名詞1. （形狀; 狀態） form; condition; appearance 2. [物理學] （物質結構的狀態或階段） state 3. [語言學] （一種語法范疇） voice
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 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
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  1. New designed auto tracing arc eliminating device based on this technique contents more technology, which has sample circuit, wide tuning scope, quick response and low noise. this paper firstly introduces neutral grounding histroy. by analyzing the syntony grounding theory, the transient and stable process of one - phase grounding fault, the threaten to secure run of power system and the importance of exact compensation for capacitive current are cognized

    論文中首先介紹了中性點接地方式的發展過程，通過對諧振接地原理和單相接地故障的暫態、穩態分析，認識到接地故障對系統安全運行的危害，通過消弧線圈對接地電容電流的迅速準確補償是減小故障危害的最主要手段。
  2. Through the testing, the parameters of the two controllers are determined. the simulating results under faulty conditions show that the proposed controllers are effective for improving system transient stability and they make the hvdc system can operate with very weak receiving end ac system

    在故障條件下的模擬結果表明，上述兩種控制器均能有效地提高系統的暫態穩定性，而且能使系統穩定運行在受端為極弱交流系統的條件下。
  3. For the severe limitation that the selectivity of transient current protection will lose when the fault with small resistance or without resistance takes place at the end of transmission line, the basic reason for the selectivity loss of transient current protection was investigated

    摘要針對保護出口處發生金屬性或小電阻短路故障時，暫態電流保護完全失去選擇性的嚴重缺陷，利用時域分析方法，進行了詳細的故障暫態分析和模擬研究。
  4. The software system of smart spaces distinguishs ifself from traditional distributed systems in that : 1 ) they should deliver functionality in our everyday world, which is a complex and dynamic changing environment ; 2 ) the system will consist of many wireless networked devices, while wireless connection is prone to transient failure ; 3 ) the interaction points for the people are distributed and multimodal, which imposes tight temporal constraints on the messaging between related modules ; 4 ) modules coming from diversified domains need to cooperate, which raise the need for an abstraction model at a proper level for the construction of the system

    智能空間系統具有區別于傳統分散式系統的新特徵： 1 ）背景環境是復雜、動態的物理空間，新的模塊可能隨時進入和離開； 2 ）存在大量無線聯網設備，而無線網的一個典型特徵是暫時性故障頻繁； 3 ）系統的交互點是分佈和多模態的，相關的模塊間消息的時間關系要求嚴格； 4 ）各種不同應用領域的模塊都可能需要交互協作，同時需要考慮對遺留代碼的包容性。
  5. In the paper, the transmission power of section constituted by the assigned branch is seen as objective function, assigning the adjustable generators both in sending system and receiving system, assigning the faults set, including the constraint conditions such as the differences between the angles of rotor and the inertia center angel of the whole system, the thermal stability of branch and node voltage, obtaining the results by using interior - point solution and line - predominant jordan

    本文提出的考慮暫態穩定約束的可用輸電能力演算法是以指定線路組成的斷面的傳輸功率為目標函數，指定送端系統和受端系統中參考調節的發電機，指定故障集情況下，以發電機轉子相對全系統慣性中心的角度差、線路熱穩定、節點電壓等構成約束條件，採用內點法和行主元約當逐行消去法求解問題的最優解。
  6. Analysis of transient characteristics of signals phase earth fault in non - solidly earthed network

    中性點非直接接地電網單相接地故障暫態特徵分析
  7. The former combines enumeration and sample technique and is easy to implement, but only definite failure modes are simulated, which may be inaccuracy with bulk power system in which high order failures and protection failures are the main cause to instability

    基於蒙特卡羅抽樣的概率穩定模擬演算法可以考慮電力系統的高重隨機故障，並考慮故障間的相關性。模擬法可以模擬多重、連鎖故障對系統暫態穩定性能的影響。
  8. Firstly, we analyze the transient and steady character of single phase high - impedance grounding fault. secondly, based on wavelet analysis on checking mutational signal and direction high frequency protection theory, utilizing zero sequence current and module current, this paper provides a new scheme including fault starting element, fault phase selection element, directional element and main criterion. this scheme can bear high impedance and is immune to system surge and frequency warp, which gets over the shortcoming of the lack of sensitivity

    由於現有的保護方案無法快速有效地切除此類故障，本文在詳細分析了單相高阻接地故障的穩態和暫態特性的基礎上，從小波分析原理出發，利用小波變換檢測突變信號的原理，以零序電流、模電流等為研究對象，結合方向高頻保護的原理，設計了一套包含啟動元件、選相元件、方向元件、主保護的保護新方案。
  9. On the basis of extensive reading and research of theory of the wavelet, it is presented a practical method based on odd theory of wavelet analysis to remove the white noises from transient fault current traveling waves of high voltage transmission line via multi - size analysis of wavelet

    本文在廣泛閱讀和深入研究小波理論的基礎上，論文提出了一種基於小波分析的奇異性理論對通過小波多尺度變換的高壓輸電線路故障電流暫態行波信號進行白噪聲濾除的實用方法。
  10. Based on the analysis of the transient and stable features of fault information on line in single carrier power supply with ineffective grounding neutral, this paper puts forward a new method for fault location in small current power system called " gradual identifying law "

    本文針對這一問題，在深入研究了中性點非有效接地單端供電系統發生單相接地故障后線路上的各處故障信息的暫態特性和穩態特性的基礎上，提出了一種新的小電流接地系統單相接地故障定位方法- 「遞進信息法」 。
  11. Judging by the different magnitude and direction of the wavelet packet coefficient modular maximum, we can select the single phase - to - earth line. the method using wavelet singularity detection theory to extract the fault time is discussed. a fault distance measurement algorithm combining wavelet analysis used for separating the character from the transient fault signal with artificial neural networks used for the nonlinear approximation from the transient character to fault distance is presented

    論文提出利用各個出線零序電流在頻帶上小波包系數模極大值的方向和大小的不同來實現故障選線，討論了利用小波分析的奇異性來判斷故障啟動時刻，提出將小波分析和人工神經網路結合，利用人工神經網路的非線性逼近能力，實現故障暫態量到故障距離的非線性映射，完成測距。
  12. The recursive criterion of transient current protection based on mallat wavelet transform is presented in order to meet the real - time demands. the reserch shows deficiency existed in the prevenient principle of transient current protection, so a new improved scheme of transient current protection is proposed. the characteristics of transient protection at different bus distribution capacitance is also analysed in this thesis. the study shows that operate of transient protection is correct when the bus distribution capacitance change. other conclusion include : the trip of transient protection must be locked when the power circuit breaker of transimission line operated, because the trip is incorrect at this time ; the features of transient current and it ' s energy is different between the fault and thunder over - voltage in transimission line, and them can be identified ; the ratio of high frequency component of current in serise capaciters compensation line, svc and hvdc system is far little than fault transient current, so all of them do not affect the working of trasient current protection

    應用功率譜估計方法討論了故障高頻暫態噪聲信號在頻率軸上的分佈情況，利用功率譜分析結果實現的非參數化系統辨識方法研究了母線分佈電容對電流高頻暫態信號的衰減特性。論文的後半部分（第五，六，七章）著重分析了現有基於故障電流的暫態保護原理和判據存在的問題，提出了新的實現方案，並討論了暫態電流保護的運行性能。利用多分辨分析和小波分解快速演算法構成的遞推暫態保護判據，可以準確區分故障線路和非故障線路，實現超高速暫態電流保護，計算更為簡單方便，計算速度更快。
  13. The surplus transient energy, ( ste ), produced during the fault period is used as the quantity index to evaluate the damage degree of generator stability. the effect of gahc to the generator stability was analyzed in single machine system and multi - machine system. the results of analysis show that ste could be reduced by the gahc, the ste decrease of controlled generator would be helpful to reduce the coupled disturbance transient energy of other generators in multi - machine system

    以發電機在故障期間積累的過剩暫態能量作為發電機穩定性受到危害程度的定量評價指標，在單機無窮大系統和多機系統中對gahc提高發電機穩定性的作用機理進行了理論分析，分析結果表明： gahc能夠加速被控機組過剩暫態能量的衰減，在多機系統中被控發電機過剩暫態能量的衰減將減少與之關聯的其它發電機受到的耦合暫態勢能的擾動量，也就說明在多機系統中gahc在提高本地機組穩定性的同時不會對其它發電機的穩定性產生危害作用。
  14. Then, the fault circuit selecting method utilizing wavelets transform is proposed to obtain useful fault transient components. the results of simulation denote that the methods in this paper are efficient and reliable. lastly, the influences of arcing grounded are discussed

    然後再利用小波變換的時頻局部性提取故障信號中的暫態分量進行選線分析，經理論分析和算例模擬，可以發現本文提出的方法是有效、可靠的。
  15. This paper analyses the transient character of line fault when the neutral point connects to ground in different ways. from the angle of signal processing, the wavelet packet analysis theory is introduced to selecting fault, in which the fault character is not the steady signal but the transient signal

    本文在中性點不同接地方式下，研究和分析了線路故障特徵量的暫態特點，主要從信號處理的角度，提出將小波包分析理論運用到故障選線。
  16. This paper analyses the steady and transient character of line fault when the neutral point connects to ground in different ways. from the angle of signal processing, the wavelet analysis theory and the artificial neural networks are introduced to fault location, in which the fault character is not the steady signal but the transient signal

    本文在中性點不同接地方式下，研究和分析了線路零序故障特徵量的穩態和暫態特點，主要從信號處理的角度，提出將小波分析理論和人工神經網路原理運用到故障定位，將基於穩態信號的定位原理轉移到基於故障特徵量暫態信號的定位原理。
  17. A non - linear feed - forward loop is used to realize the coordinated control between the two controlled variables at the two control ends at first. secondly, a constant ac voltage control is implemented for a short period after the ac fault removal. finally, a staggered recovery strategy for different hvdc subsystems is also adopted, with the restart time interval of them optimized using the steepest descent gradient search method

    該協調恢復策略的三個特點是：在常規的控制器結構中加入一個基於準穩態工作點的非線性前饋迴路；在交流故障被切除后的一個短暫時間內，逆變側採用定交流電壓控制：對不同的直流輸電子系統採取一種漸進的恢復策略。
  18. This paper discusses the size of transient zero current and the method of analyzing it. numeral simulation shows the feasibility of it. negative current at fault line is differ distinctly from non - fault line

    文中討論了零序電流暫態分量的大小和提取方法，對數字模擬和混合模擬試驗數據進行分析，結果表明零序電流暫態分量用於單相接地故障識別是可行性的。
  19. The theory mentioned in this paper is a kind of traveling wave method. it overcomes the limitations in theory and short - comings of big errors, realizes the fault ' s checking system by a pc bus industrial control computer, adopts swift a d translation. monitoring on - off switch, warning device when the fault appears

    本文所闡述的理論是一種行波法，它克服了理論上的局限性和誤差大的缺點，應用計算機進行電力系統暫態過程的數字模擬和計算程序，是分析電力系統故障的有力工具，採用pc總線工控機，選用快速a d轉換、開關量測量、出現故障聲光報警。
  20. This paper has proposed one new way of thought of differentiating the fault type. after observing the physical course of the single - phase grounding of transmission line, analyzing by the wavelet transformation the transient signals sampled during the fault period from the moment that single - phased grounding occurs to the moment that line breakers work, we can distinguish temporary fault from permanent one through the wave form

    本文提出了一種不同於現有故障類型判別的思路，通過考察線路單相接地故障的物理過程，利用小波變換理論分析處理線路單相瞬時性故障和永久性故障在故障發生后斷路器開斷前時間段的暫態信號，通過波形識別區分兩種故障。
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