excitation control 中文意思是什麼

excitation control 解釋
勵磁控制
  • excitation : n. 1. 刺激,興奮,激發,鼓舞。2. 【物理學】激發;【電學】激勵、勵磁。3. 【植物;植物學】激感(現象)。
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  1. The excitation control of synchronous gene rators is one of basic m e ans that ensures the stable operation of power syst em a nd im proves the dynam i c character of power system

    同步發電機勵磁控制是保證電力系統穩定運行和改善電力系統動態品質的一項基本措施。
  2. 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。
  3. To realize nolinear excitation controller, it must be improved that the disposal speed of nolinear excitation control " s signal. with analyzing and comparing all kinds of microcomputer excitation controller, a new microcomputer excitation control scheme is offered that is based on dsp controller while the cpld chip is utilized for realizing the function of pulse trigger. it is described in detail that the method of realizing controllable silicon digital logic by verilog hardware describe language and the designed digital pulse trigger " s veracity was validated by digital simulation

    論文進一步針對非線性勵磁控制要求信號處理速度高、信息量大的特點,在對目前微機勵磁控制器分析基礎上,提出採用dsp控制器晶元作為核心處理器的微機勵磁控制器的解決方案,運用復雜可編程邏輯器件cpld晶元實現可控硅同步脈沖觸發單元,並簡要說明了verilog硬體描述語言和數字脈沖形成邏輯的方法,通過電路數字模擬對所設計的數字觸發單元進行了驗證。
  4. The asynchronized synchronous generator ( asg ) ' s reactive power and active power can be adjusted independently by excitation control because of asg ' s special multi - phase wounded winding rotor structure, which provides a novel approach for improving power system ' s stability and extending generator ' s operating range

    異步化同步發電機以其獨特的多相繞線式轉子結構,通過勵磁控制可以實現無功、有功的獨立調節,為提高電力系統穩定性和擴大進相運行范圍提供了一條嶄新的途徑。
  5. So there are good prospects for alternating current excitation generators. in this thesis, the operation principle of aceg and the excitation control strategy based on dynamical synchronous reference frame are analyzed, the simulation models of the generator and excitation controller are established based on the saber simulator. according to the requirement of aceg, the converter should have regeneration capability, and the input and output currents of converter should be sinusoidal

    由於交流勵磁發電機既可能運行於勵磁系統向電機轉子方輸入電功率,也可能運行於勵磁系統將轉子方輸出的電功率回饋給電網,根據交流勵磁發電機系統對勵磁變頻器功率雙向流動及變頻器輸入和輸出電流諧波含量少、諧波幅值小的要求,本文提出採用輸入和輸出性能優良的矩陣式交-交變頻器作為勵磁電源。
  6. With the development of science and technology more attentions have been concentrated on the performance analysis of the following systems : variable speed drive system of ac machines with power electronics and control devices, power energy system composed of ac machines and power lines, electric machine system consisting of ac machines and excitation control devices

    隨著科學技術的發展,交流電機與電力電子及其控制裝置組成的調速傳動系統、交流電機與電力傳輸線組成的電能系統、交流電機與勵磁控制裝置組成的電機系統等的性能分析越來越受到關注。
  7. It is the key point for aceg playing good transient characteristics, agility and reliability of operation that using appropriate excitation control strategy

    採用合適的勵磁控制策略是交流勵磁發電機能夠發揮其良好的調節性能、運行的靈活性及可靠性的關鍵。
  8. On the grounds of theory of asynchronized turbogenerator ( astg ), based on the practice of the analog asynchronized generator, this dissertation designs and debugs the computer - controlled system, and investigates detailedly the intelligent excitation control method

    本文以異步化汽輪發電機( astg )理論為依據,模擬試驗機組的實踐為基礎,設計並調試了計算機測控系統,並對異步化汽輪發電機的勵磁智能控制方法作了深入的研究。
  9. By the static stability analysis and dynamic simulation analysis, this additional excitation control can increase the system damping and improve system stability with very good robustness

    本文通過靜態穩定分析和動態模擬分析表明,該附加勵磁控制能夠有效地增加系統的阻尼,提高系統的穩定性,並具有較好的魯棒性。
  10. Influences of the output function on the system performances in nonlinear excitation control

    非線性勵磁控制中輸出函數對系統性能的影響
  11. Magnetic excitation control system of microcomputer

    微機勵磁控制系統
  12. Overview and commentary on excitation control research of synchronous generator

    同步發電機勵磁控制研究的綜述與述評
  13. An applied research on excitation control of synchronous generator using ant colony optimization algorithm

    蟻群優化演算法在發電機勵磁控制中的應用研究
  14. Guide for identification, testing, and evaluation of the dynamic performance of excitation control systems

    勵磁控制系統動態性能鑒別試驗和評定的指南
  15. Lu qiang, sun yuanzhang et al. decentralized nonlinear optimal excitation control. 1996, 11 ( 4 ), 1957 - 1962

    盧強等。分散非線性最優勵磁控制及裝置設計。水電廠自動化, 1998 ( 2 ) 。
  16. To improve the reliability of the excitation control system, in this paper it adopts fuzzy - pid control technology

    為了進一步提高勵磁控制系統的可靠性,該文採用模糊pid控制技術。
  17. ( 3 ) the key to enhance the power system. s stability is to choos e the appropriate sg. s excitation control m e thod

    ( 3 )同步發電機的穩定性關鍵在於其勵磁控制的作用,因此選擇合適的控制方法非常的重要。
  18. As an application of the proposed method, the excitation control of a three - node power system with nonlinear load is discussed

    作為該演算法的應用,討論了帶有非線性負荷的三節點電力系統的勵磁控制問題,設計了非線性勵磁控制器。
  19. 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。
  20. This dissertation firstly expounds the basic principle and electric structure of astg, and analyzes the principle of excitation control. because in actual system the excitation current is always the control target, the mathematical model with excitation - current controlled, which can be referenced by simulation of the same type system, is put forward

    本文首先介紹了異步化汽輪發電機的基本原理和電氣結構,深入分析了異步化汽輪發電機的勵磁控制原理,由於實際的勵磁裝置大多以勵磁電流為被控制量,提出了異步化汽輪發電機轉子勵磁電流控制的數學模型。
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