infinite bus 中文意思是什麼
infinite bus
解釋
無限大容量母線-
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。 -
As the basic work of the designing and evaluating of fuzzy gpss, the mathematic models of simple hydro - electricity system stability analyzing and controlling are founded and summarized which include the linearized model of hydraulic system - hydoturbine based on the linearized model of hydraulic system considering elastic water hammer and the linearized model of francies turbine, two different linearized model of single - machine infinite - bus system ( k1 - k6 model and c1 - c12 model ), the nonlinear model of single - machine infinite - bus system based on three - order model of synchronous generator, the model of exciting system and the model of governor
作為設計和評價水電機組模糊gpss的基礎，本文歸納建立了簡單水電系統穩定分析與控制的數學模型，它包括：計及彈性水擊的水力系統線性化模型、混流式水輪機線性化模型以及在此基礎上的水力系統?水輪機線性化模型；單機無窮大系統兩種詳細程度不同的線性化模型，即k _ 1 - k _ 6模型和c _ 1 - c _ （ 12 ）模型；基於同步發電機三階模型的單機無窮大系統非線性模型；勵磁系統和調速器模型等。 -
In this chapter, mathematical model of a single machine infinite bus power system installed with statcom and svc is derived. 3 ) the possibility of the negative interactions among statcom controllers and svc controller in this smib power system is analyzed by using the rga method, and the time - domain simulation results demonstrate the analyzed results
以這個單機無窮大系統為研究對象，應用相對增益矩陣（ rga ， relativegainarray ）方法分析了statcom控制和svc控制器之間存在著負交互影響的可能性，並通過模擬實例驗證了rga方法分析結果的正確性。 -
In current power system, there is few typical " single generator infinite bus system " modal. that local stability control used in one plant or transformer substation can solve stability problem of the network is impossible
在現代電網中已經難以找到「單機一無窮大」的典型模式，在一個廠站用「就地穩定控制」的方法能夠解決電網穩定問題的情況也已經很少。 -
A six - order dynamic model is established for a single - machine infinite bus system with parallel ac / dc transmission lines, in which the dynamic regulating process of the generator and hvdc are considered comprehensively, and the excitation controller is neglected
基於單機無窮大交直流並聯系統，忽略勵磁控制器，綜合考慮發電機和直流輸電系統的動態調節過程，建立六階動態模型。 -
Results of simulation based on a single machine to infinite bus system show that the controller has better performance than traditional pi controller in the power system, and makes statcom exert its control effect sufficiently under any circumstance
以單機無窮大系統為例進行模擬的結果證明了所設計多目標控制方法優于pi控制方法，使statcom在任何狀態下均能充分發揮其控制效果。 -
The main works are organized as follows : a nine - order dynamic model is established for a single - machine infinite bus system with parallel ac / dc transmission lines, in which the dynamic regulating process of the generator, excitation controller and hvdc are considered comprehensively
論文的主要內容包括:基於單機無窮大交直流並聯系統，綜合考慮發電機、勵磁控制器和直流輸電系統的動態調節過程，建立九階動態模型。 -
In this paper the method of inverse system and ath - order inverse system are introduced, then it studies the application of the method of inverse system and supervised neural controller in the excitation controlling of one machine infinite bus power system. after introducing the method of ann a th - order inverse system it studies its application in the excitation controlling of one machine system. at last as t the emphasis of this paper, combining the theory of multi - machine decentralized and coordinated control, the method of ann ath - order inverse system is studied how to be used in the excitation control of multi - machine power system
本文首先介紹了逆系統和階積分逆系統理論，接著研究了逆系統方法和神經網路監督學習控制理論在單機?無窮大系統勵磁控制的綜合應用；然後在介紹了神經網路階逆系統控制理論后，研究了神經網路逆系統方法在單機?無窮大系統勵磁控制中的應用；最後作為本文研究重點，首次將神經網路逆系統方法應用於多機電力系統穩定控制，研究了神經網路逆系統方法在多機系統勵磁控制中的應用情況，並結合多機系統最優分散協調控制理論，設計出基於神經網路逆系統方法的多機電力系統分散協調勵磁控制器，進行了控制系統模擬和效果分析。 -
To stabilize the system most efficiently, a index based on the kinetic energy at the dynamic saddle point in the controlling one - machine infinite - bus plane provided by eeac, is built to select the worst affected generators only through one numerical integration
構造了系統主導映象動態鞍點的機組動能指標，使得僅通過一次穩定數值積分即可近似獲得起關鍵作用的機組優先進行控制。
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