暫態不穩定 的英文怎麼說

中文拼音 [zhàntàibùwěndìng]
暫態不穩定 英文
transient instability
  • 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
  • 不 : 名詞[書面語] （剁物所用的木墩） a block of wood
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 穩定 : 1 （使穩定） stabilize; steady 2 （穩固安定） stable; steady 3 （物質的性能不易改變的作用） stabi...
  1. The information extending method and curve fitting method, which deals with data in the complementary system of wams and scada, are discussed. secondly, traditional transient stability analysis method starts at the static

    傳統暫態穩定分析方法是從故障前穩定平衡點開始的，然而實際系統總是處在或大或小的擾動之中，因此，這種分析方法不能準確地表現系統真實的運行情況。
  2. This method incarnates a new ideologies of measurement based and process oriented in power system calculation, and can improve the veracity and adaptability of transient stability analysis

    該方法不僅體現了「基於測量，面向過程」的電力系統計算思想，而且對于提高暫態穩定計算的準確性與適應性具有重要意義。
  3. It includes four criterions of locating fault point ? “ transient zero sequence current amplitude law ”, “ stable base wave zero sequence current phase law ”, “ stable seventh harmonic zero sequence current phase law ” and “ s injection law ”. pointing out how the law locate the fault point to minimal fault section by applying these criterions gradually. the law will not only make up the blemishes existing in current methods for single - phase fault location in small current grounding system, but also locate the fault point to minimal fault isolating unit on fault line

    該方法通過將所包含的四個定位判據- 「暫態零序電流幅值法」 、 「穩態基波零序電流方向法」 、 「穩態7次諧波零序電流方向法」和「 s信號注入法」 -進行有選擇地遞進使用，不僅有效彌補了目前已有小電流接地系統單相接地故障選線的缺陷，更將故障定位在故障線路最小故障區段。
  4. As the step - down transformer has no load when the scr is turned off, the system is stable during switching. less transformers, small area the device occupies, the relative simplicity of connection are the other advantages

    這種補償方案由於在晶閘管關斷時降壓變壓器相當于空載，不存在暫態過程的不穩定問題；所用的變壓器數目少；佔地面積較少；接線相對較簡單。
  5. A new method of transient stability computation with asymmetrical parameters

    不對稱暫態穩定計算新方法
  6. The transient stability assessment based on anns suffers from the unavoidable misclassifications in the boundary region between the two classes due to the complexity of tsa input dimension and the limitation of ann

    由於暫態穩定評估問題輸入空間的復雜性以及神經網路本身的局限性，神經網路的分類結果中不可避免地會存在誤分類。
  7. Finally, the problem of exponential filters for nonlinear time - delayed systems is considered. the filters designed by using the given approach can guarantee the stead - state and transient performance. by choosing suitable attenuation index, the perfect performances of filters can be attained

    四、研究了一類不確定非線性時滯系統的指數濾波器設計問題，提出了一種設計指數濾波器的方法，使用該方法設計的濾波器可以同時保證濾波器的穩態性能和暫態性能，通過選取濾波器的衰減指數，可以使得濾波器具有良好的衰減性能，模擬結果很好地驗證了所給出的方法。
  8. After considering the localization of the traditional classified method, the paper proposes a screening method that the contingencies are sorted into three types : security, insecurity and the status between the two conditions, which is fit for preventive control. so the preventive control can be realized easily

    考慮到這種分類方式的局限性，且為了便於進行暫態穩定控制，本文在事故篩選時將事故分為三類：安全、不安全、介乎二者之間，並將臨界切除時間作為穩定指標來進行分類。
  9. The transient state of torpedo electrical drive system, caused by torpedo ' s steding, shifting, and the fluctuation of battery voltage, and the change of the resistance in voyage, will influence efltire attitude and stability of the torpedo immediately, as well as every parts of electrical propulsion system. therefore, it is necessary to theoretically analyze the transient state of torpedo electrical power propulsion system

    魚雷電動力推進系統在魚雷啟動、變速及因電池電壓的波動和在魚雷航行阻力變化時而產生的暫態過程都將直接對整個魚雷的姿態和穩定性產生影響，同時對電動力推進系統本身各個組件也將產生不同影響，因此有必要對魚雷電動力推進系統的暫態過程進行一些理論分析。
  10. 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。
  11. The main contents are given as following : firstly, the existing sensitive analysis is analyzed in detail, and the thought of applying the trajectory sensitivity in transient stability analysis and dynamical security control is proposed

    論文的主要內容如下： （ 1 ）詳細分析了現有靈敏度分析方法的不足之處，得出軌跡靈敏度分析方法適合於電力系統暫態穩定分析和動態安全控制。
  12. 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。
  13. Both complicated and simple model of transient stability analysis are integrated in the software, applying the model of each component to different degree of precision respectively. joined with the power system diagram editor, the transient stability analysis can be carried out in a graphical way. some auxiliary models are introduced, such as the classes of fault information and swing curves, etc. these models turn out to be essential to make the procedure of transient stability simulation vivid and intuitionistic, with the swing curves of different variables during the transient period being showed and printed conveniently

    針對電力系統各元件模型的不同精確程度，採用成熟的數值解法實現了復雜模型的暫態穩定計算和簡化模型的暫態穩定計算，並與已有的面向對象的電力系統圖編輯器進行了很好的連接，實現了暫態穩定分析的圖形化；實現了故障信息類、變化曲線類等輔助對象，使得整個暫態穩定模擬計算的過程形象直觀，且能對暫態過程中各量的變化曲線進行方便地顯示和列印輸出。
  14. According to the complicated electromagnetic transient state process of the passive feedback coils, a method that can be used to calculate the equivalent time constants and the electrical parameters are given in this paper. these parameters are important to the design of the device and the power system, and also provide the evidence for the experiment of controlling the plasma unstability

    針對被動反饋線圈電磁暫態過程的復雜性，給出了求解線圈等效時間常數和電氣參數的方法，這些參數不僅對裝置的設計和電源系統的設計是重要的，而且為控制等離子體垂直位移不穩定性的實驗提供了依據。
  15. Excellent excitation controller system not only could guarantee the generator running safely, offer qualify electric power but also could enhance the static stability and transient stability of the electric power system

    優良的勵磁控制系統不僅可以保證發電機安全可靠運行，為電網提供合格的電能，而且能夠有效地改善電力系統靜態與暫態穩定性。
  16. A novel strategy combined the fuzzy logic of linear multivariable feedback control to design a controller of statcom to meet the multi - objective demands of power systems is also proposed in this dissertation, and the controller is designed with this strategy, because of variational element, nonlinearity and multi - objective controlling demands of statcom, this paper designs the controller respectively aimed at continuous linear control for voltage maintaining, oscillation damping, improving the transient stability

    根據電力系統變參數、非線性以及對控制要求多目標的特點，本文針對維持系統節點電壓、阻尼系統振蕩、提高系統暫態穩定性能等不同控制目標分別設計了控制器，然後將模糊邏輯和多狀態線性反饋相結合，提出了一種能滿足電力系統多目標要求的控制方法，並用該控制方法為statcom設計了控制器。
  17. For example, since different operating points of power system have different stability characteristics, utility engineers often perform a large number of stability studies to search for a stable one by trial - and - error methods incorporating engineering experience

    目前各電網調度中心主要採用的試錯搜索法結合穩定計算經驗來尋找保持暫態穩定的運行方式的方法，現在看來無疑是耗時的和不完善的。
  18. The result of this is that at a certain time when cached code " morphed " from x86 to crusoe vliw instructions in the cpu is in a buggy state, x client applications which connect with it fail with the following error message

    這將導致某段時間內當暫存的x86的指令轉換至crusoe的vliw指令中，處理器處於一個不穩定的狀態，與它連結的x用戶端應用程程序會出錯並顯示如下信息：
  19. Currently most works on pc employ the sensitivities of the stability energy margin to the generator power injections, which exist some disadvantages and the cause of potential divergence in computation are analyzed. the amount of pre - assigned harmful contingencies in large power systems is a real chanllenge for pc. in this thesis, it is settled soundly through grouping these contingencies into some subsets according to each unstable mode ( um ) provided by eeac, and identifying the worst contingency among each subset by stability energy margin provided also by eeac

    預防控制研究大多基於控制參數相對于系統暫態穩定裕度的靈敏度系數，本文分析了此類方法存在的不足和可能迭代不收斂的原因；依據eeac的暫穩裕度量化指標和失穩模式概念，解決了起關鍵作用的暫穩約束的識別問題，克服了當前該領域中僅能研究小規模系統和或少量預想事故約束的局限。
  20. Especially in the forthcoming deregulation environment, conventional stability calculation program become out of time in that it ignores the economic demand of power system operating

    尤其在目前放鬆管制的電力市場改革進程中，傳統的不考慮經濟性的暫態穩定計算越來越不能適應電力市場環境下的特殊要求。
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