暫態分量 的英文怎麼說

中文拼音 [zhàntàifēnliáng]
暫態分量 英文
transient state component
  • 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
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  1. 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。
  2. 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。
  3. This paper proposed some methods for finding out sure regions and ambiguous regions defined by lower and upper approximations in rough set theory. an applicable ending - criterion for semi - supervised back - propagation algorithm was proposed and a new rough classifier framework was studied, the assessment results show the effectiveness of the proposed criterion. a new classifier based on support vector machines was studied and applied

    本文提出了幾種劃分樣本邊界區的方法:提出了一種應用於半監督bp演算法的實用結束判據，並根據粗糙集理論，研究了一種新的粗糙分類機制，取得良好的效果；應用支持向量機理論，構造分類器並劃分樣本邊界區；最後研究多個分類器集成的方法尋找樣本邊界區，同樣提高了暫態穩定評估的可靠性
  4. Studying the heat - mass transfer and multi - spices electric - chemical reaction, a dynamic temperature model was deduced for molten - carbonate fuel cell stack. the thermal radiation, shift reaction, and the change of gas spices were considered in this model. establishing momentum equation, the paper has developed a 3d temperature and flow fields model for mcfc stack based on cfd technique

    建立了熔融碳酸鹽燃料電池堆內部單體的暫態溫度模型，並考慮了電堆的輻射換熱、轉換反應、反應氣體組分變化對溫度場的影響；根據mcfc的微分控制方程組，考慮氣體組分的熱力學性質及動量變化的影響，利用數值分析方法求解熔融碳酸鹽燃料電池堆的三維流場與溫度場，分析了各作用因素對熔融碳酸鹽燃料電池堆溫度分佈的影響機制。
  5. Abstract : according to the cause and the damage of the feed water pump cavitation resulting from the turbine ' s load rejection, this paper analyzes the condition about presenting cavitation by calculating the largest difference of the pump inlet ' s cavitation residue in the transient process of the deacrator and proposes the measures about presenting cavitation

    文摘:根據汽機甩負荷造成給水泵汽蝕的原因及危害，從計算除氧器暫態過程中給水泵入口汽蝕余量的最大降落值入手，分析防止給水泵汽蝕的條件，提出預防措施。
  6. Along with the development of power system, more and more generators and ehv transmission systems are put into operation. there come many new situations, such as the lengthening transmission distance, the heavier load, the increasing transient elements during the transient process. these new conditions influence the correct working of relay protections

    隨著電力系統的不斷發展，大容量發電機組和超高壓輸電系統的相繼投入運行，系統中出現了許多新的情況，如輸電距離增大、負荷加重、故障暫態過程中的暫態分量大大增加、持續時間變長等，這些情況對目前常用的各種繼電保護方法的正確動作會產生許多不利的影響，甚至不能正常運行。
  7. This paper introduces a novel fault circuit selecting method, which utilizes wavelets transform to obtain useful fault transient components

    本文著重介紹了利用小波變換提取故障信號的暫態高頻分量，進行故障選線的方法。
  8. According to the characteristics, it is presented that the realization of choosing the fault line based on the post - fault - transient electrical quantities

    根據故障時暫態信號的特徵，提出了利用故障后信號的暫態高頻分量來實現故障選線的方法。
  9. Plenty of experiments show the real, imaginary, module and angle of wavelet transform can accurately choose the fault line and precisely identify the high frequency of transient signals

    通過大量的實驗，表明利用小波變換后的實部、虛部、模值以及相角可以準確的給出故障線路並高精度的提取故障信號的暫態高頻分量。
  10. This paper introduces a novel fault circuit selecting method, which utilizes wavelets packet transform to obtain useful fault transient components and based on dsp, proposes a feasible solution

    本文著重研究了利用小波包變換提取故障信號的暫態高頻分量，進行故障選線的方法，並結合dsp技術架構硬體裝置，提出一種可行的解決方案。
  11. The thesis introduces the definition of transient current and it ' s energy. the tranvelling wave can be affected by power system equipment, it ' s effect is analysed with energy change of transient current at high frequency band

    討論分析了電力設備對行波的影響。提出了通過暫態電流高頻分量的能量及其能量比值變化情況定量分析變電站設備對暫態電流高頻分量的影響程度的方法。
  12. In these mathematic models, the essential vedables are propulsion motor ' s input voltage, input currefit and outpllt rotate rate and output torque. with these variables, the transient process of torpedo ' s electrical counterrotating propulsion system is studied both in quality and in quantity by computing its mathematic models

    在這些數學模型中，以推進電機的輸入電壓、輸入電流、輸出轉矩和輸出轉速等為基本分析變量，對魚雷電動力推進系統的暫態過程進行定性定量的分析。
  13. Through small signal stability analysis and transient stability simulation in a typical hvdc system ( epri 36 ), the results show that some characters of closed - loop system on the basis of associated feedback control, such as angle stability, voltage accuracy and small signal stability, are better than those of avr + pss

    通過一個典型交直流電力系統（ epri - 36系統）的小干擾穩定計算和暫態模擬表明，關聯測量分散勵磁控制下的閉環系統在功角穩定性、電壓調節精度以及小干擾穩定性方面均優于常規勵磁附加pss 。
  14. The morlet wavelet transform is applied in choosing the fault line and detecting the transient high frequency signals. the virtues and flaws in various criterions and algorithm have been compared

    利用morlet小波變換后的實部、虛部、模值以及相角來實現故障選線及暫態分量的提取，並比較了各種判斷方法及小波演算法的優缺點。
  15. 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。
  16. 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。
  17. Park transformation based the transient analysis for the space vector modulated matrix converter

    變換的空間矢量調制矩陣變換器的暫態分析
  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. Transient state component

    暫態分量
  20. In this paper, the important point is the study about the application of wavelet analysis in single phase grounding fault location of small current grounding power systems, wavelet transform is used as a novel tool of signal analysis to obtain useful fault transient components, a new criterion of fault line selection is constructed based on the time and frequency localization character of wavelet transform

    本論文主要研究了小波分析在小電流接地系統單相接地故障定位中的應用，利用小波變換這一新興的信號分析工具，提取故障時的暫態電量信息，構造出了基於小波變換模極大值奇異性檢測原理的新型選線判據。
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