synchronous speed 中文意思是什麼

synchronous speed 解釋
同步速度
  • synchronous : adj. 同時的，同期的；【物理學】同步的。adv. -ly
  • speed : n 1 快，迅速。2 速率，速度。3 （汽車的）變速器，排擋。4 （膠片，照相紙）感光速度。5 〈古語〉興隆...
  1. Lp series chain crusher apply to fertilizer production in the block of broken, but also widely used in chemical industry, building materials, mining and other industries, aircraft used in the process of crushing the synchronous speed high - intensity resistance mo carbide chain plate, i expected out of rational design, materials uniform broken, it is not easy nien wall to facilitate cleaning

    Lp系列鏈式破碎機適用於復合肥生產中塊狀物的破碎，同時也廣泛用於化工、建材、礦山等行業，該機在粉碎過程中採用同步轉速的高強度耐?硬質合金鏈板，進出料口設計合理，破碎物料均勻，不易粘壁，便於清理。
  2. A synchronous motor drives the measuring bob at a constant rotational speed.

    同步馬達驅動測錘以恆速旋轉。
  3. This product usesthe fm radio set code decoding system, has the ultra strongantijamming ability and the extremely low power loss, the reactionrate is keen, the highest synchronous speed amounts to for 1 1, 000second, can satisfy photographic camera of each kind of type shuttersynchronized flash photography request

    該產品採用調頻無線電編碼解碼系統，有超強的抗干擾能力和極低的功耗，反應速度靈敏，最高同步速度達1 1000秒，能滿足各種類型快門之照相機的同步閃光拍攝要求。
  4. The synchronous sensor and velocity sensor for high speed rotating - mirror streak camera are described

    論文介紹了高速轉鏡式條紋相機高性能同步傳感器和速度傳感器。
  5. A synchronous motor can be used to drive a fan through a variable-speed magnetic coupling.

    一個同步電動機能夠通過變速磁性聯軸帶動風扇。
  6. The subject has mainly finished designing and debugging software and hardware of a / d decode module, fpga video processing module, video data frame deposit module, base clock produce module, d / a encode module, i2c bus control module, etc. a / d decode module gathers analog tv signals and realize video decode ; fpga video processing module deals with the data after decoding and produces systematic logic control signal ; video data frame deposit module offers the buffering area to a large n umber of high - speed video data ; base clock produce module through input basic video signal offers system accurate relevant synchronous signal ; under control of video processing module d / a decode module convert digital video data into compound tv signal which can be shown in tv directly ; i2c bus control module is used to initialize the chip of system by simulating i * c bus timing

    本課題主要完成了a d解碼模塊、 fpga視頻處理模塊、視頻數據幀存模塊、基準時鐘產生模塊、 d a編碼模塊、 i ~ 2c總線控制模塊等部分軟、硬體設計及調試。其中a d解碼模塊採集模擬電視信號實現視頻解碼； fpga視頻處理模塊對解碼后的數據進行去噪處理的同時還負責系統的邏輯控制；視頻數據幀存模塊為大量高速的視頻數據提供緩沖區；基準時鐘產生模塊通過輸入基準視頻信號為系統提供精確的相關同步信號； d a編碼模塊在視頻處理模塊的控制下把數字視頻數據轉換成復合電視信號供顯示用： i ~ 2c總線控制模塊模擬i ~ 2c總線時序實現對系統中編、解碼晶元的初始化。
  7. Backstepping control of speed for sensorless permanent magnet synchronous motor

    無速度傳感器永磁同步電動機反推控制
  8. A arming control system of synchronous fitting missle is brough forward in this paper of which the arming control unit composes of the high speed digital signal processing chip dsp and fpga, and has better performance in speed and precision

    本文提出了一種雙聯裝導彈瞄準系統，其瞄準控制部分由高速數字信號處理晶元dsp和現場可編程門陣列fpoa構成，使得整個系統在速度和精度方面都具有較好的性能。
  9. Based on the dsp development board, the author finishes the hardware debug about the multi - channel buffered serial port ( mcbsp ) receiving the output signal from the gps if collector and resolves the software program of the receiving buffer of the multi - channel synchronous serial data, data integration, udp datagram encapsulation and network interface driver, etc. the real - time udp datagram receiving, data frame de - encapsulation and high speed data memory are implemented, and a friend application interface with windows message is developed on the pc

    基於dsp開發板，作者完成了dsp的多通道緩沖串口（ mcbsp ）接收gps中頻接收機輸出信號的硬體調試，並解決了多通道同步串口數據的接收緩沖、數據合併、 udp數據報裝幀及網路介面驅動等軟體編程。在pc端，通過mfc的網路應用開發類casyncsocket實現udp報的實時接收、數據解幀譯碼、高速存貯，利用windows消息機制開發了應用程序友好界面。
  10. In this thesis, the basic requirement and hardwar system structur of large - sized generator fault recorder are presented according to the fault feat [ lf of large - sized genebor. a l6 bits mi board h l6 chaxmels high speed synchronous saxnpling is developed

    論文根據大型機組的故障特點，結合相關的國標和部標，制定了對大型機組故障錄波的基本要求，對錄波量、錄波時間等重要技術指標作了規定。
  11. Abstract : this paper discusses the method of adjustable speed driving with bi - directional power transferring converter for motors used in draining and irrigating pumps, a control strategy is proposed to realize super / hyper synchronous speed running with ac - ac converter, and a design for the driver is given based on 16 bit micro - controller

    文摘:針對農用電力排灌站電機調速改造問題，討論了雙饋調速實施方案，提出了採用交交變頻實現超/低同步調速的一種控制方法，給出了以高性能16位單片機為核心的雙饋調速控制系統軟硬體設計
  12. 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。
  13. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行特性及其最佳風能利用原理，通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性，並給出了模擬系統的硬體結構；然後為了實現交流勵磁發電機有功、無功功率獨立調節機理，分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略；針對雙饋發電機轉子能量雙向流動的要求，提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器；最後為實現從理論到實踐的全面研究，研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統，進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗；所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。
  14. When generator runs at conversation states from synchronous speed to super - synchronous speed, the excitation current of oppositional phase sequence should ensure the current waveform smoothly transform

    當發電機運行於同步速向超同步速過渡轉換狀態時，需向轉子饋入反相序的勵磁電流，且保證勵磁電流的波形平滑連續。
  15. Thus, it is difficult to find the voltage reference for the harmonic analysis. since acem are always operated near to the synchronous speed, the frequency of the excited voltage is very low, even to zero. therefore, this is the power harmonic suppression study of a complicated power supply system, in which the about harmonic general theories and methods are all inapplicable

    現代交流勵磁電機（ acem ）採用電力電子變流器作為勵磁裝置，其勵磁電壓諧波含量豐富，難于獲得諧波分析所需的電壓基準，同時交流勵磁電機經常工作在同步轉速附近，致使勵磁電壓頻率極低甚至為直流，通常的諧波檢測方法和理論都無法適用，因而這是一種目前尚未深入探討過的復雜供用電系統電力諧波抑制問題的研究。
  16. Note type rated output, synchronous speed, voltage and frequency, insulation class, mounting type etc

    訂貨時必須說明產品型號，額定功率，同步轉速、電壓及頻率、絕緣等級，安裝結構型等。
  17. Just based on the two points mentioned above, a control system of doubly - fed variable speed constant frequency ( vscf ) wind power generator based on 8xc196mc is designed in this paper, which can smoothly transform between the different operational modes from sub - synchronous speed to synchronous speed and to super - synchronous speed

    正是基於上述兩個出發點，本文設計了一臺基於8xc196mc單片機的2 . 8kw變速恆頻雙饋風能發電控制系統。主電路中變流器的設計可使該系統能工作于亞同步速、同步速及超同步速三種運行狀態，並具有能量雙向流動的特點。
  18. The effectiveness of the plc - based control software is satisfactory up to 96 % of the synchronous speed

    基於plc的控制軟體的工作效率可達同步速度的96 % ，非常令人滿意
  19. The author firstly analyzed the mathematic model of the cascaded brushless doubly - fed machine ( cbdfm ) on the dq and mt coordinate rotating at rotor speed and synchronous speed seperatly, and the equivalent circuit of steady state. the author also analyzed the stator power winding flux oriented vector control strategy of the cbdfm as vscf wind power generator and validated the validity of the model and strategy by the simulation analysis

    此外，本文還首次詳盡地分析了級聯式無刷雙饋電機在轉子機械速dq坐標系、定子同步速mt坐標系下的數學模型，穩態等效電路及作變速恆頻風力發電機運行時的定子功率繞組磁鏈定向矢量控制策略，通過模擬分析驗證了模型和策略的正確性。
  20. Perhaps " confucianism, taoism, buddhism, " the most authoritative voice, but in the end come to the conclusion, is nothing but a " vacuum " of life, or more specifically, modern, if people ' s awareness ( of ideas ) synchronous speed of the movement in the earth ' s speed, perhaps this time the pacemaker to jump 60 per minute, this is the " nature and humanity " to understand the essence

    或許「儒、道、釋」的權威最有發言權，但最後得出的結論，無非是一種「真空」的生活，說得具體、現代一點，如果人的意識（意念）的運動速度同步于地球的運行速度，或許這時的心律為每分種60跳，這才是「天人合一」的本質理解。
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