勵磁電路 的英文怎麼說

中文拼音 [lìcídiànlù]
勵磁電路 英文
energizing circuit
  • 勵 : Ⅰ動 （勸勉） encourage; exert oneself Ⅱ名詞（姓氏） a surname
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 勵磁 : [電工] excitation; field; exciting; energizing勵磁波 field wave; 勵磁場 exciting field; 勵磁電動...
  • 電路 : [訊] circuit （ckt）; electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. So far, there has existed several kinds of theory of ground fault protection for field winding of generator. in these methods, pingpong bridge field ground protection is a simple and effective one

    目前已有多種原理的發電機勵磁迴路接地保護，其中乒乓式勵磁迴路接地保護是一種簡單有效的保護原理。
  2. The principle of the hardware and software has been introd uced, with the circu it d i agram, the flow chart an d list of the program

    介紹本次課題所用的196單片機的原理，設計出數字勵磁調節器的電路，分析裝置的硬體電路工作原理，給出詳細的硬體原理圖，設計運行程序流程圖。
  3. Next, in order to comprehand the electromagnetic characteristics and the dynamic characteristics of the new type of magnetic micromotors, the dissertation applied the concept of the magnetic scarlar potential of the irrotational magnetic fields and set up the mathmatic model for the inner magnetic field of the new type of motors from the basic equations and the boundary conditions of the motor magnetic field. oh the basis of the mathmatic model, the dissertation analized the various qualities of the magnetic field of the air gap between the rotor and the stator and gave a detailed calculation of the air gap ' s magnetic potential, magnetic field intensity, magnetic induction, the shape of the magnetic scarlar potential level surface, the distribution of the magnetic circuit, the magnetic induction the self - inductance and the mutual inductance of the coils

    其次，為全面了解這種新型電磁電機的電磁特性和動力特性，本文從電機磁場的基本方程及其邊界條件出發，應用無旋磁場的標量磁位概念，建立了端面搖擺式電磁微電機內部磁場的數學模型，並以此為基礎，詳細分析了電機氣隙磁場的各方面性質，對氣隙磁場的磁標位、磁場強度、磁感應強度、等磁位面形狀、電機工作磁路的分佈、電機的工作磁通量以及激勵繞組的自感和相互之間的互感進行了詳細的分析計算。
  4. 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。
  5. Synchronal generator excitation controller based on snc neural network

    同步發電機監督學習神經網路勵磁控制器
  6. My research paper can be divided into five parts : i. practical mathematical models have been derived and equations are also derived ( includes field excitation system, governing system ), which are used in generator three phases short circuit and by adding large loading. ii. simulation of the generator ' s shunt - wound run

    發電機組實用數學模型的推導（包括勵磁系統和調速系統） ，並由此推出了用於發電機三相突然短路和突加異步電機大負載模擬的差分方程；並進行了突卸負載、突加負載時調速系統的模擬過程； 2
  7. Ft is shown from test results that, by using dsp for digital control of field system, hardware circuit is simple and programming is easy

    由試驗結果可以看出，採用dsp來實現勵磁系統的數字控制，硬體電路簡單，程序編制方便。
  8. Permanent magnet synchronous motors ( pmsm ) have the advantage of not requiring any magnetizing current and easy to control. they are widely used in high performance servo systems

    永磁同步電動機轉子勵磁由永久磁鐵產生，因其電路結構簡單，控制方便，而廣泛應用於高性能的伺服系統中。
  9. In accordance with the driving characteristics of ac driving locomotive, the working status of its traction transformer is analysed. the questions that should be considered in the traction transformer design of ac driving locomotive are mentioned. these questions are the large short - circuit impedance of traction winding, higher harmonic current, over - excitation and dc magnetization caused by large variation of the network voltage, etc. some disposal methods are given

    針對交流傳動電力機車的傳動特點，對其中的牽引變壓器的工作狀態進行了分析，指出交流傳動電力機車用牽引變壓器設計時需考慮的牽引繞組的短路阻抗大、電流的高次諧波、網壓波動大可能引起的過勵磁以及直流磁化等問題，同時給出了相應的一些解決方法。
  10. Initial research on hybrid excited machine with bypass flux path

    旁路式混合勵磁電機初探
  11. Meanwhile, fully - controlled igbt enables reversible flow of field current and reduce in the size of filter elements of main loop, so that the complete of device becomes smaller and lighter

    而全控式的igbt不僅可實現勵磁電流的可逆運行，而且由於提高斬波頻率，使主迴路濾波器件的體積大大減少，從而使整個裝置體積減小、重量減輕。
  12. Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly

    但是高性能的交流調速系統實現很困難，這是因為交流電機是多變量、強耦合的非線性系統，不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題，其基本思路? ?應用坐標變換將三相等效為二相，實現定子勵磁電流分量與轉矩電流分量之間的解耦，達到對交流電機磁鏈與電流分別控制的目的，交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步，計算機技術飛躍發展，高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中，促進矢量控制迅猛發展，日趨成熟。
  13. Simulation and analyses on the model are done. the paper gives detailed analyses of the motor ' s exciting current by the experiment of the voltage regulation system for the first time. the methods of improving automatic voltage regulator are presented based on the analyses of results

    然後設計了發電調壓器的硬體電路，建立了調壓系統的頻域模型並進行了模擬分析，對發電系統作了較為全面的實驗，首次詳細分析了勵磁電流的變化規律，分析了實驗結果，提出了調壓器的改進。
  14. In this method, the similar inductance is used to extract the excitation current of ct, which, through some electronic circuits, turns into proper compensation current and is injected into the compensation winding. this current replaces the exciting current, so the error is reduced

    本文的實現方法是採用具有與電流互感器鐵芯相似磁特性的鐵芯製成的電感提取電流互感器的勵磁電流，將該勵磁電流經過一些電子電路的處理，產生補償電流，注入補償繞組，從而減小電流互感器的誤差。
  15. In addition, by using igbt in main loop of the system, control and operation of power elements is easy and reliable, and reversible flow of field current can be realized

    而採用igbt構成系統的主迴路，功率器件控制容易，工作可靠，可以實現勵磁電流的可逆運行。
  16. Because of a large number of data processing to carry out, tms320c5402 dsp, electromagnetic ultrasonic transducer, oscillatory source circuit, receive signal disposal circuit, a / d, sram, flash memory and display circuit are selected to design the prototype of a machine of the real - time measurement system

    由於要進行大量的數據處理，硬體電路採用了ti公司的tms320c5402dsp作為核心處理器件，輔以電磁超聲換能器、激勵源電路、接收信號調理電路、 a d 、 sram 、 flashmemory及顯示電路，設計出實時檢測系統的樣機。
  17. The core component for ktws digital dc computer - controlled governing system is the controlling units provided by british - eurothem. the cabinets adopted framed structures and standard design

    Sf - ts1 - iii系列直流調速系統電樞電路和勵磁電路分別採用三相橋式和單相橋式全控整流電路。
  18. Based on the simulation, the author analyzes the dynamic process and gives reasonable explanation. then the author uses a three - layer ann to distinguish excitation - loss fault, and brings forward a scheme of excitation - loss protection using ann for generator. finally, the author discusses the setting calculation software for generator, and design the part of setting calculation software including partial or total loss of excitation protection

    使用matlab對失磁故障進行模擬，總結了失磁故障的特徵；應用神經網路識別變勵磁電壓判據的動作區，提出應用神經網路的發電機低勵失磁保護方案；使用jbuilder開發了發電機保護整定計算軟體的低勵失磁部分。
  19. Because the dc voltager - stabilized power supply is made of simulate component, its hardware is very complex, and it has other shortcomings, and so on, base on these reasons, we put forward the research : fuzzy control the de - stabilized power supply by single chip micro - comupter

    電站系統主要由直流電源、直流電動機、同步發電機、主配電盤和負載五部分組成。直流電源供電給直流電動機，同時給電動機的勵磁電路供電，通過手動調節實現調磁調速。
  20. The internal waveform generator of 8xc196mc can generate three - pair and two - way independent spwm waveforms to control six igbts " on - off with the intention of feeding - in sine waveform current to the rotor of generator

    結合8xc196mc單片機本身的功能，輸出6路三相互補的spwm波形經驅動隔離去控制主電路中6個igbt的通斷，達到向轉子饋入正弦勵磁電流的目的。
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