非磁性穩定器 的英文怎麼說

中文拼音 [fēicíxìngwěndìngqì]
非磁性穩定器 英文
nonmagnetic stabilizer
  • 非 : Ⅰ名詞1 （錯誤） mistake; wrong; errors 2 （指非洲） short for africa 3 （姓氏） a surname Ⅱ動詞1 ...
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 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...
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 磁性 : [物理學] magnetism; magnetic; magnetic performance; magnetic property
  • 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. 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。
  2. 3. we do short circuit analysis upon multiple magnetic circuit transformers by use of steady non - linear analysis and get the leakage reactance respectively between high voltage and high voltage 、 high voltage and low voltage 、 two high voltage and low voltage 、 low voltage and high voltage and low voltage and two high voltage. what ’ s more, we do finite element analysis upon the temperature field of transformers and according to its distribution we get the wind speed to forced air cooling

    3 、採用穩態非線性分析法對多磁路變壓器進行短路阻抗計算，利用能量法計算出變壓器高壓與高壓、高壓與低壓、兩高壓與低壓、低壓與高壓以及低壓與兩高壓之間的漏感;對變壓器的溫度場進行有限元分析，確定溫度場分佈情況。
  3. 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。
  4. After a simulated sample is given, we compute on this sample coupling analysis and steady non - linear analysis. by contrast with the experimental outcome of short circuit, we make certain that steady non - linear analysis should be used to analyze a true model. and then, we confirm the external conditions of finite element heat analysis after analyzing the cooling ways of multiple magnetic circuit transformers

    2 、論述了有限元分析的電磁場和溫度場的理論基礎;製造出模擬樣機，分別用耦合場分析法和穩態非線性分析法對其進行計算，計算結果與其短路實驗結果進行對比，驗證了穩態非線性分析法計算結果的可信性;分析多磁路變壓器的冷卻方式，確定有限元熱分析的外部條件。
  5. The simulation results show that the controller can guarantee the global asymptotical stability of the system, and the pmsm servo system achieves excellent tracking performance, and is robust to uncertain parameters and load torque disturbance

    模擬結果表明，所設計的非線性控制器保證了系統的全局一致穩定性，永磁同步電動機伺服系統獲得了很好的跟蹤效果，並且對參數不確定性及負載力矩擾動具有很好的魯棒性。
  6. Direct torque control using space vector modulation ( svm - dtc ) scheme is discussed and the detailed designed, including space vector choosing and modulating, to overcome the control difficulties coming with the characteristic of low inductance. comparing with the basic dtc, the simulation results confirm the feasibility and good performance of this strategy. in order to reduce the torque error in dynamic state resulted from the nonlinear relationship between the torque and torque angle, a proportional - plus - integral ( pi ) torque controller with variable proportion is presented to ensure exact and quick control of torque in dynamic state

    系統的闡述了永磁同步電機直接轉矩控制理論，分析了改進后的svm - dtc控制策略，並具體設計了控制技術的實現方案，包括參考矢量的生成和空間電壓矢量調制的方法；為減小電磁轉矩與轉矩角非線性關系這一因數給電機電磁轉矩動態調節造成的誤差，本文實現了變比例系數轉矩pi調節器的方案，確保了系統穩定性的同時，實現了電磁轉矩在動態過程中快速而準確調節。
  7. It achieves the electrical measurement of no - electricity ( especially displacement ) through the variation of self - inductance of or mutual inductance of coil. inductive micrometer, with a low cost, high - resolution power, long life and high reliability, has been applied to the measurement of micro - displacement for a long time. it is common that the inductive micrometer is chosen as a preferred instrument in high - precision micro - displacement test

    電感微位移傳感器是一種建立在電磁感應基礎上，利用線圈的自感或互感系數的改變來實現非電量（主要是位移）測量的低成本、高精度測量儀，因為其分辨力高、使用壽命長、工作性能穩定，應用於微位移測量己經有很長的歷史，進行高精度微位移測量時選用電感位移傳感器已經成為一種共識。
  8. Since a magnetic levitation system is usually strongly nonlinear and open - loop unstable, it is an important task to construct a hign performance feedback controller to control the position of the levitated object

    由於磁懸浮系統有很強的非線性及開環不穩定性，所以設計一高性能的反饋控制器來控制懸浮目標是一件非常重要的任務。
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