暫穩定的 的英文怎麼說

中文拼音 [zhànwěndìngde]
暫穩定的 英文
metastable
  • : Ⅰ形容詞(時間短) short; momentary Ⅱ副詞(暫時) temporarily; for the moment; for the time being
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 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...
  • : 4次方是 The fourth power of 2 is direction
  • 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. But neither can two great and powerful groups of nations take comfort from our present course - - both sides overburdened by the cost of modern weapons, both rightly alarmed by the steady spread of the deadly atom, yet both racing to alter that uncertain balance of terror that stays the hand of mankind ' s final war

    可是這兩個強有力國家集團,誰也不能對當前趨勢放心雙方都因現代武器代價而感到不勝負擔,雙方都對于致命原子力量不斷發展而產生應有驚駭,可是雙方都在競謀改變那不恐怖均衡,而此種均衡卻可以時阻止人類最後從事戰爭。
  2. Integrating the power flow program with the tools matlab simulates the transient response of the distribution networks with the direct combination wind generator under disturbances, it provides the credible rationale to the research on stability and maximal penetrable power

    本文結合配電網潮流程序,利用matlab作為模擬工具,模擬包含直接並網風能轉換系統配電網路在受到擾動情況下態響應,對含有風電場電力系統性研究及風電場極限穿透功率研究,提供了可靠理論根據,有重要現實意義。
  3. 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評估首要問題。
  4. The influence of pss on transient power system stability

    對電力系統影響分析
  5. 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

    傳統分析方法是從故障前平衡點開始,然而實際系統總是處在或大或小擾動之中,因此,這種分析方法不能準確地表現系統真實運行情況。
  6. Duplessis, whose home was deluged as well, said he is living with family in avondale

    在找到居住地前,他在當地一家旅館中住。
  7. 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

    在故障條件下模擬結果表明,上述兩種控制器均能有效地提高系統性,而且能使系統運行在受端為極弱交流系統條件下。
  8. 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)非線性調制策略。
  9. 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一類,並結合具體課題推導出模型方程將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。通過參考大量書籍文獻推導出一套實用可將大型汽輪發電機勵磁與汽門綜合起來進行控制模型方程,此模型方程涵蓋了電力系統中特別引人注目幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、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電力系統簡化數學模型,並將擴展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按電壓偏差進行調節比例式勵磁控制器+汽門比例控制及採用常規按電壓偏差進行調節比例式勵磁調節器和基於二次型性能指標設計最優快控汽門(考慮發電機飽和因素)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性,並且在電力系統遭受小干擾時同樣具有良好調節性能。
  10. 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」電力系統計算思想,而且對于提高計算準確性與適應性具有重要意義。
  11. Since the brief monetarist heyday of the early 1980s attempts to achieve price stability by controlling money have been abandoned

    .在貨幣主義者渡過了他們二世紀八十年代早期繁榮后,人們已經放棄了通過控制貨幣來保持物價努力。
  12. A new fast transient stability simulation method

    一種簡捷快速模擬演算法
  13. The temperature of upper reach is higher than that of lower reach, therefore, the river freezes up from lower reach to upper reach and breaks up from upper reach to lower reach. secondly, inner mongolia reach lies in inland area. it is far from ocean and controlled by mongolia high - pressure

    其次,內蒙段處于內陸地帶,離海洋距離遠,暖濕氣流難以到達,常為蒙古高壓控制,呈典型大陸性氣候,年降水量少,夏季盛熱短,冬季嚴寒漫長,河流結冰期長達4 - 5個月,大部分為封凍河段。
  14. The augment of excitation setting " s control performance is fairly important to improve the static, transient and dynamic stability of power system, and enhance the setting " s utilization rating of the hydraulic turbine generator unit

    提高勵磁裝置控制性能,對于改善電力系統靜態、態及動態性相當重要,並且可以提高水輪發電機組設備利用率。
  15. 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,不存在態過程問題;所用變壓器數目少;佔地面積較少;接線相對較簡單。
  16. The two principal purposes of the imf are to promote exchange stability and to help member countries overcome temporary difficulties in their balance of payments

    國際貨幣基金組織兩個主要宗旨是促進匯率和幫助會員國克服國際收支方面時困難。
  17. 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擾動后維持系統主要措施。
  18. A relating mechanism based on induction - motor has been introduced. based on two model system, a series of simulation has been carried out. from simulation result, the characteristic of transient voltage stability with the application of fcl may be concluded

    基於感應電動機動態模型,對系統態電壓失去機理進行了分析,提出了應用故障限流器可能有助於維持系統態電壓論點,進而通過對兩個模型系統所做模擬實驗印證了相關機理,並得出限流器對于維持系統態電壓意義和作用特點。
  19. 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試錯搜索法結合計算經驗來尋找保持運行方式方法,現在看來無疑是耗時和不完善
  20. 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x86指令轉換至crusoevliw指令中,處理器處於一個不狀態,與它連結x用戶端應用程程序會出錯並顯示如下信息:
分享友人