暫態穩定 的英文怎麼說

中文拼音 [zhàntàiwěndìng]
暫態穩定 英文
angle stability
  • 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
  • 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. Feature selection and input dimension reduction are of paramount im - portance to transient stability assessment based on neural networks

    輸入特徵選擇和輸入空間降維是基於神經網路暫態穩定評估的首要問題。
  2. The influence of pss on transient power system stability

    對電力系統暫態穩定的影響分析
  3. 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。
  4. 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。
  5. Based on differential geometric theory, a novel nonlinear modulation strategy for multi - iii infeed hvdc systems to enhance the transient stability of ac system in the presence of large disturbances is presented in this paper

    針對大擾動情形，提出了一種用於改善多機交直流混合電力系統（有多條直流線路落點于其中）暫態穩定性的非線性調制策略。
  6. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  7. 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。
  8. A new fast transient stability simulation method

    一種簡捷快速的暫態穩定模擬演算法
  9. 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
  10. The geometric explanation of the image principle presented in “ a new method to determine the transient stability boundary using nonlinear theory 1 is given. a theorem to determine the critical clearance time is derived. from the calculation results of two examples, the correctness of the theories put forward by this paper and paper 1 is verified

    對論文《運用非線性系統理論確定電力系統暫態穩定域的一種新方法》 1中所提出的映射機理作了幾何解釋；提出了確定電力系統臨界切除時間的定理；通過對一簡單電力系統和電科院6機22節點算例的計算，驗證了本文及文1所提出的理論的正確性。
  11. In order to effectively enhance system transient stability, research on how to set reclosing time based - on shortest periodic time is always followed with interest

    如何在重合閘裝置最小間歇時間的基礎上整定重合閘時間，以最有效的提高系統暫態穩定性方面的研究一直受到關注。
  12. A new method of transient stability computation with asymmetrical parameters

    不對稱暫態穩定計算新方法
  13. When making the transient simulation for modern large scale power system, both calculation storage amount and time cost are large

    摘要對具有龐大規模的現代電力系統進行暫態穩定計算時，計算存儲量大，計算時間長。
  14. Nowadays, the control to prevent the transient stability of power system from being destructed is still a very exigent task

    防止系統暫態穩定破壞的控制仍然是當前電力系統中極為迫切的任務。
  15. The transient stability - constrained emergency control is primary work of transient stability analysis of power system under harmful contingencies

    摘要緊急控制是保證電力系統遭受大的擾動后維持系統暫態穩定的主要措施。
  16. In probabilistic dynamic security assessment, probabilistic transient stability " is mainly discussed. detailed models of transmission line, protection system and emergency control measures are added to step - by - step transient stability programs

    首先建立動態模擬中輸電線路和保護系統的詳細模型，建立了基於時域模擬的暫態穩定模型，以及各種緊急控制措施模型。
  17. 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。
  18. If these cases can be found out by some methods, then the reliability of the assessment results will be improved

    如果能夠應用某種方法把容易造成誤分類的樣本劃分出來，勢必提高神經網路暫態穩定評估的可靠性。
  19. 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。
  20. Study on the calculation of available transfer capability with transient stability constraints

    考慮暫態穩定約束的可用輸電能力計算方法研究
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