excitation power 中文意思是什麼

excitation power 解釋
激勵功率
  • 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）。
  • power : n 1 力，力量；能力；體力，精力；（生理）機能；〈常 pl 〉才能。2 勢力，權力，權限；威力；政權；權...
  1. Finally, because high - speed power solenoid valve is one of the most important executive parts in the electronic control diesel engine and the performances of diesel engine are strongly related to the solenoid valve, the response performance of the solenoid valve is investigated. the response performance of the solenoid is influenced by many factors, such as driving voltage, electric driving unit etc. in order to have high excitation voltage and in low maintaining voltage, a high - low voltage electric driving unit is designed, and in order to make the solenoid valve close more rapidly, an active free - wheeling circuit and a bootstrapping circuit are designed in the electric driving unit, too. in the high - low electric driving unit, high voltage and low voltage are supplied by the dc - dc device and by the accumulator respectively

    高速強力電磁閥的響應性能除了與閥本身的結構和材料有關外，與驅動電壓、驅動電路的設計密切相關，本文通過分析，首先開發出一種高低壓驅動電路，高壓電源是山升壓式dc - dc原理獲取的，低壓由蓄電池本身提供，實現高壓強激和低壓維持的功能，電路中採用有源續流電柴汕機中卜軌知介系統的設訓及其七川j敝略的叭究路進行續流，加誣了電磁閥的關閉速度；採用自舉吐路，降低了場效應管對驅動電壓的要求。
  2. Formation of exc9000 static excitation system of gongboxia hydraulic power plant and its existing problem

    9000靜態勵磁系統組成及運行中存在的問題分析
  3. The modulating signals of firing delay angle at the rectifier and firing lead angle at the inverter, and the excitation voltage are chosen to be control variables. the offset of the current of dc line and the extinction angle and the power angle of generator are chosen to be control outputs. then a nonlinear controller is designed for the system under study according to direct feedback linearization theory

    以整流側觸發延遲角的調節信號、逆變側觸發超前角的調節信號以及發電機勵磁電壓作為控制變量，以直流線路電流、逆變側關斷角以及發電機功角的偏移量作為目標輸出，用直接反饋線性化方法設計了系統的非線性控制器。
  4. This controllable compound excitation is suitable for the small moveable power station driving by internal combustion engine, the land or marine generating sets for the industrial frequency power of moving force or lightening also can be used for power generator in other stage

    該相復勵發電機適用於由內燃機拖動組成移動電站、陸用發電機組、作為動力或照明的工頻電源，亦可用於其它場合作為電源發電機。
  5. Compared to the traditional converter, the new one can transform electric power from a static part to a rotary part without an electrocircuit connection, which makes the contactless power transform come true. one application of this converter is to supply a steady and regulable excitation circuit for synchronous generator by integrated its second winding with the motor while its primary winding is static. the thesis gives two methods of the rotating converter design paticullarly : flyback and fullbridge, and explains how the circuits are designed

    通過理論分析、模擬分析和實驗驗證，得出這兩種旋轉變換器都能進行感應電能傳輸，但它們的傳輸功率是不同的，反激式旋轉換器最大隻能傳輸幾十瓦功率的感應電能，因此只能用在感應電能傳輸較小的場合，或者信號傳輸的場合;而全橋式旋轉變換器能傳輸較大的功率，可用於電機的新型無刷勵磁方案中。
  6. The thesis includes two parties : research on 2kw multi - function ac excitation power and study on high voltage high power ( hh ) dc / dc full - bridge converter

    論文包括兩個部分： 2kw多功能交流勵磁電源研製和高壓大功率dc dc全橋變換器研究。
  7. 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。
  8. Therefore, either reinforcing the pre - ionization or eliminating the harmful impurity is propitious to increasing the effective excitation of the laser media in the resonator so as to increase the output power

    因此增強預電離和消除有害雜質均有利於提高腔內激光介質的有效激發進而提高激光器輸出功率。
  9. The present thesis is devoted to improving the excitation of the laser media ( gas mixture ) in the resonator of the high - average - power tea co2 laser by means of reinforcing the pre - ionization and eliminating the harmful impurity

    本文正是從提高預電離及清除混合氣中的雜質這兩個方面研究改善高平均功率teaco _ 2激光器腔內介質（混合氣體）的激發性能的。
  10. 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。
  11. A design of excitation power circuit

    一種激磁電源電路的設計
  12. Based on characteristics above, a new theory of “ controlling movement by moving ” is proposed, which means that controlling welding arc by moving magnetic field. a new device for generating rotating magnetic field is designed ; magnetic head and excitation power source are included

    本文基於以上幾種磁場形態和勵磁方式的特點，提出了「以動制動」的控制思想，即用動態變化的磁場來控制電弧的運動，研製了一套新型旋轉磁場發生裝置，本裝置包括磁頭裝置和勵磁電源兩部分。
  13. By the test of three - dimensional distribution, form character, rotating frequency and magnetic field intensity of rotating magnetic field, it showed that the magnetic field produced is a highly rotating magnetic field and mainly distribute on welding arc region, rotating frequency and magnetic intensity can be regulated through excitation power source

    通過對產生磁場的空間分佈，形態特徵，以及旋轉頻率和場強大小的測試證明該磁場是一個高速旋轉的磁場空間，而且磁場主要集中分佈在焊接電弧區域內，磁場的旋轉頻率和場強大小都可以通過勵磁電源進行良好調節。
  14. The design of excitation power source based on principle of three phase step motor and pulse width modulation ( pwm ) technology, intelligent power model ( ipm ) is used for inverter switches, the output ac pulse used as excitation signals. the speed of rotation and magnetic intensity can be changed by regulate the exciting converted frequency and magnitude of exciting current. constant current is achieved by closed loop feed back

    勵磁電源結合步進電機原理與脈寬調制技術，選用智能功率模塊ipm作為逆變開關器件，輸出交流脈沖勵磁信號，以調節勵磁轉換頻率和勵磁電流大小為手段，實現對磁場旋轉頻率和磁場強度大小的有效調節，並通過閉環反饋實現閉環恆流控制。
  15. Design of the sine and cosine precision reference of high precision excitation power supply with closed loop control

    高精度閉環激磁電源正餘弦精密基準的設計
  16. Study on the robust problem of the excitation power supply with closed loop control

    閉環激磁電源魯棒問題的研究
  17. For decreasing bulk, weight and simplifying control circuit of the system, this article has made integral design for main power converter, excitation power circuit and hardware and software circuit

    為了減少系統的體積、重量及簡化控制電路，本文對系統的主功率變換器、勵磁功率電路和硬、軟體控制電路進行了一體化設計。
  18. Schemes, which can implement faults real - time monitoring and diagnosis for excitation power units using dsp chip is proposed in this paper based on dsp excitation adjuster, besides, the corresponding device is developed

    本文在一種基於dsp的勵磁調節器的基礎上，提出了利用dsp晶元實現勵磁功率單元故障在線監測、診斷的設計方案，並研製了相關裝置。
  19. 1. to offer excitation power for aviation synchronous motor, it necessary to find an optimum excitation scheme by experiment

    一、為了給航空同步電機提供勵磁電源，需要通過實驗尋找最佳的勵磁方案。
  20. In this thesis, all kinds of spwm control styles for inverters are studied, witch is the base for researching and developing a 2kw multi - function ac excitation power successfully

    本文對逆變器的各種spwm控制方式進行了研究，並在此基礎上成功研製出一臺2kw多功能交流勵磁電源。
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