穩態振蕩 的英文怎麼說

中文拼音 [wěntàizhèndàng]
穩態振蕩 英文
stable state oscillation
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 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
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : Ⅰ動詞1 (搖動; 擺動) swing; sway; wave 2 (無事走來走去; 閑逛) loaf; wander; roam; loiter; go a...
  1. Motion controller composed of general chip series is developed and quadruple differential circuit utilizing dual monostable multivibrators with schmitt trigger inputs and dual 4 _ line to l _ line data selectors or multiplexers is put forward

    本論文研製了一種用常規晶元系列組成的運動控制器,提出了採用單多諧器和數據選擇器的四倍頻辨向電路。
  2. Digital simulations reveal many valuable characteristics of the power system low frequency oscillation. the limit of conventional analysis and the appearance of new technique such as wams together with the advance of the nonlinear theory, require a new method for oscillation research of power grid, which can combine small and large disturbances analysis effectively

    論文指出,由於傳統小信號定分析方法的局限性,及動監測設備和非線性理論等新技術與理論的迅速發展,有必要研究新的分析方法,以更加有效地揭示互聯系統小擾動、大擾動后的機理,並研究相應的控制策略。
  3. The radiation field evolves from a steady saturation state to a limit cycle oscillation state, and eventually to chaotic oscillation state as the current increases, the region in which the field exhibits limit cycle or chaotic oscillation is called the " soft " and " hard " nonlinear regime, respectively : ( 1 ) in the " soft " nonlinear regime, the radiation field is characterized by period doubled bifurcation and the discrete power spectrum

    隨著電流的增大,輻射場經歷由定飽和到極限環型的周期,並最終過渡到非周期性混沌的演化過程,按其狀可分為「軟」和「硬」兩種非線性區域: ( 1 )在「軟」非線性區域,場的極限環定飽和是交替出現的,其特徵是典型的倍周期分岔,輸出功率譜是分立的。
  4. According to these theories we know the reason of the emergence of low frequency oscillation is lacking positive damping even appearing negative damping. this problem can be classified as dynamic stability

    從而得出,電力系統低頻是由於系統正阻尼不足甚至產生負阻尼而引起的,可以將其歸類為動定問題。
  5. The paper analyzed the relationship of the scale factors and several main performance indexes of the system ' s respond curve like over - regulation, divergence, surge - degree, steady - state error and transient time, and denoted these indexes by some fuzzy membership functions

    溫室溫度響應的主要動性能指標包括:超調量、系統發散程度、系統程度、誤差、過渡過程時間等。
  6. 2 ) hysteretic loop emphasis has also been focused on the onset and damping behavior of the thermoacoustic oscillation. based on the acute review and analysis on the non - steady processes with hysteresis, a hysteretic loop is proposed and experimentally verified for the first time in the standing wave thermoacoustic prime mover

    熱聲滯后迴路在系統地考察其它非過程特性的基礎上,首次提出並實驗驗證了熱聲起和消過程中存在「滯后迴路」 ,並對滯后迴路的影響因素進行了研究。
  7. The theoretical background of the test signal method is the theory of mechanical admittance and mode identification, which is based on the frequency scanning of the test signal and has already been used widely in mechanical engineering

    提出了一種基於測試信號的小擾動定性分析方法?測試信號法,用於分析電力系統低頻問題。其理論基礎是機械導納理論和模辨識理論。
  8. All these changes, which are of importance to subsynchronous oscillation analysis, cannot be described with the quasi steady state ( qss ) model any more. therefore, the deficiency of qss - model - based eigenvalue method is pointed out and a novel method named complex torque coefficient - test signal method is adopted to analyze the subsynchronous oscillation caused by hvdc or facts devices

    基於此,指出了採用準模型進行hvdc系統次同步分析的局限性,並引入了分析hvdc或含有facts裝置的系統次同步問題的方法:復轉矩系數- - - -測試信號法。
  9. Applying the criterion of the work state of operational amplifier, the stable operating condition of voltage - controlled voltage source filter 2 is proved in detail and the condition that the filter can be used as the sinusoidal oscillator is given

    摘要利用運放工作狀的判據,系統地證明? 4種二階壓控電壓源型濾濾器定工作的條件,同時給出了用作正弦波器的條件。
  10. If we apply the same input to an unstable system, the output will never settle down to a steady - state phase ; it will increase in an unbounded manner, usually exponentially or with oscillation of increasing amplitude

    如果我們將同樣的輸入作用於不定的系統,其輸出將不會回到,而是以無界的方式增長,通常其幅值是指數增長或者增長。
  11. These modes will grow in intensity until their gain saturate at a level equal to the loss and steady-state oscillation prevails.

    這些模式的強度將不斷增強一直到它們的增益達到與損耗相等的飽和水平,且穩態振蕩占優勢為止。
  12. This article emphatically discussed and analyzed following points : load command feed forward function can improve the rapid respond character of steam turbine generator ; lead of load command have advance control function on boiler main control and can highly improve the stability of main steam pressure ; the use of predict control and state space variable function can improve the quality of boiler steam temperature control effectively, control the steam temperature in the defined range and increase the boiler and turbine life and efficiency even if working state changed in a big range ; linear compensation can restrain the vibration of generator load in the condition of big loa d change

    本文重點討論、分析提出負荷指令前饋作用可以提高汽輪發電機快速響應特性;負荷指令的導前功能對鍋爐主控有超前控製作用,能顯著提高主蒸汽壓力的定性;採用預測及狀空間法能有效改進鍋爐蒸汽溫度控製品質,在大幅度工況變化下仍有效控制蒸汽溫度在額定范圍內,提高鍋爐、汽輪機壽命及其效率;汽輪發電機組的快速響應性與汽輪發電機組負荷問題間的平衡關系,採用線性補償可以有效抑制在負荷變化梯度較大情況下發電機負荷問題。
  13. On the base of the fujian power system that has the special configuration of " large power generator with small power system " in 2000, constructs power system models of fujian and fujian interconnected with other parts, does a lot of calculation and analysis and simulation, researches the security mechanism and rule of the fujian special power system interconnected with large power system. the above connection can keep security and stability and can make obvious benefits, but when the transmission power reach to excessive quantity the main power grid will increases interconnected flow - in or flow - out exchange power load. the power operation state tended to instability ; the infirmable interconnection make s the damp infirmable

    本文以2000年前後具有「大機組小電網」特殊結構的福建電力系統為背景,建立了福建電力系統及其與外部互聯的數學模型,開展大量的模擬計算分析,研究了「大帆組小電網」電力系統與大容量電力系統互聯偏弱的安全定性的機理和規律:前述互聯可以安全定運行,取得顯著效益,當傳輸功率達到一定量后,主網架增加了送出或吸收互聯交換功率的負載,系統運行狀定性水平有所下降的方向轉移;聯絡偏弱使阻尼偏弱,聯絡線小幅低頻和大幅低頻易被激發,聯絡線一旦重載斷開,系統高周或低調嚴重。
  14. In order to overcome formula inherent shortcomings of poor steady - state performance and micro - amplitude oscillation, continuous factors multiplication method is combined with formula method

    同時為克服公式法所固有的性能差,易產生微幅等缺點,將連續因子相乘法與公式法相結合。
  15. In this thesis work, a 1 - d hydraulic transient model and a 2 - d compressible flow model with the large eddy simulation approach have been applied to analyse the hydrodynamic process of the unsteady separated flow. prototype observation data of gezhouba shiplock no. 3 has been used to verify the computational results. it has been found that two different types of flow regime - stably - varying and strongly - oscillating regimes - could occur in the radial gate tunnel

    本文採取將一維非恆定流模型與二維可壓縮流一大渦模擬模型相結合的方法,分析了急變分離流的水動力學特性,並利用葛洲壩三號船閘的原型觀測資料驗證了數值模型的可靠性,發現閥門段存在平變化型和劇烈型兩種不同的流,並詳細計算、分析了它們的流動特徵
  16. In this paper, the multi - scale technology is introduced to study the wave - motion equations with viscous or transverse inertia effects or both of them. burgers equation, k - dv equation and kdv - burgers equation are deduced respectively, and correspondingly the steady shock - wave solutions, solitary wave solutions and oscillation solitary wave or shock - wave solutions are obtained

    接著,又採用奇異攝動理論中的多尺度變換法分析並簡化了分別計入粘性、橫向慣性效應以及同時計入這兩種因素時的幾何非線性波的波動方程,分別得到了經典的burgers方程、 k - dv方程和kdv - burgers方程;並求出它們相應的解分別為激波解、孤波解和孤波解或激波解。
  17. This paper carry out power system post - stability analysis with eurostag. this paper determine the state after low frequency oscillation according to the relation between oscillation frequency of low frequency oscillation and eigen value of small signal analysis, which is derived from a great deal of simulation projects. cai xiaoling ( power system and its automation ) directed by prof

    利用eurostag進行電力系統后定分析,針對低頻引起的后定問題,通過大量模擬研究了小擾動特徵值分析結果和大擾動頻率之間的關系,並據此判斷系統發生低頻后的狀,為將來進行后定后續分析打好基礎。
  18. 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、提高系統暫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。
  19. In the control strategy, the basic value of rotation rate is calculated by corrected similar formulation and the adjustment value is ascertained by output of fuzzy controllers, the strategy can assure steady precision and to eliminate vibration

    在這種控制策略中轉速控制量的基值根據修正後的相似公式進行計算,而轉速控制量的調節值為模糊控制器的輸出,這樣做既保證了系統的精度;也避免了系統
  20. The nonlinear simulations and dynamic simulating tests show that h pss is insensitive to the changes of operating conditions and perturbations, it can restrain oscillations under a wider range of operating conditions than the conventional pss. the robustness of h pss is very good. yang lin ( power system and its automation ) directed by prof

    為了與傳統電力系統定器進行比較,對單機無窮大系統進行了非線性模擬和動模實驗,結果表明: h pss對運行狀的變化以及外界干擾不敏感,能夠在較大的運行范圍內有效地抑制,顯示了很好的魯棒性。
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