勵磁電流控制 的英文怎麼說

中文拼音 [lìcídiànliúkòngzhì]
勵磁電流控制 英文
field current control
  • 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...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 控 : 動詞1 （告發;控告） accuse; charge 2 （控制） control; dominate 3 （使容器口兒朝下 讓裏面的液體慢...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 勵磁 : [電工] excitation; field; exciting; energizing勵磁波 field wave; 勵磁場 exciting field; 勵磁電動...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. 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。
  2. Using jgp560c magnetron sputtering equipment, cu / ag film are deposited on cd1 - xznxte substrate by dc magnetron sputtering in order to get the influences of the main experiments parameters such as sputtering power, gas flow, vacuum air pressure, magnetoelectricity power and substrate temperature on deposition rate of film, discovered that dc sputtering power is the most key factor influencing the deposition rate

    在jgp560c型超高真空多功能磁控濺射鍍膜機上，採用直流磁控濺射法在cdznte晶體上制備出cu ag合金薄膜，揭示了氣體流量、直流濺射功率、勵磁電源功率、工作氣壓和襯底溫度等工藝參數對沉積速率的影響規律。結果表明濺射功率對沉積速率的影響最大，隨濺射功率的增大沉積速率快速增大。
  3. The auxiliary modulating signals of the current controller at the rectifier and the extinction angle controller at the inverter, and the reference voltage of exciter are chosen to be control variables. then the all - state feedback linear optimal controller is designed

    以直流系統整流側電流控制器的輔助調節信號、逆變側關斷角控制器的輔助調節信號以及勵磁系統參考電壓作為控制變量，設計了系統的全狀態反饋線性最優控制器。
  4. In this paper, several scheme of vscf is compared firstly, of which gets doubly - fed generating mode. doubly - fed vscf wind power generating system uses a doubly - fed induction generator, which rotate speed can be able to change with wind turbine, and it ensures a constant - frequency output, by controlling the frequency of current input into rotor windings. in vector trans control system, the control of stator active power and the control of stator reactive power can be essentially decoupled, and the former is via torque component and the latter is via exciting component of stator current

    本文首先比較了幾種變速恆頻方案，從中選擇了雙饋式變速恆頻方案；它運用雙饋電機的工作原理，允許發電機轉速變化，而在電機轉子側接入低頻勵磁電流，通過控制該電流的頻率，保證雙饋電機定子輸出的頻率恆定；再結合矢量控制技術，通過調節轉子電流來控制定子電流的轉矩分量和勵磁分量，相應獨立地控制發電機輸出的有功功率和無功功率。
  5. The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter. the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled, so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled. therefore, acegs have superior performances by contrast with conventional synchronous generators and induction generators, such as upstanding stability, power generation of variable speed constant frequency ( vscf ), adjusting active power and reactive power independently, and absorbing lag reactive power deeply

    交流勵磁發電機的基本結構與繞線式異步電機相同，其定子側接電網，轉子上採用三相對稱分佈的勵磁繞組，由變頻器提供對稱交流電勵磁，且勵磁電壓的幅值大小、頻率、相位、相序都可根據要求加以控制，從而可以控制發電機勵磁磁場大小、相對于轉子的位置和電機的轉速，使得交流勵磁發電機具有良好的穩定性及轉速適應能力、獨立的有功與無功調節能力和較強的進相運行能力，性能超越傳統同步發電機和感應發電機，因而有著廣闊的應用前景。
  6. 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。
  7. Space vector control according as ac induction motor two - axis theory speed separates the stator current into two components. one is the torque component ; the other is the flux component. a structure similar a dc machine structure where torque and field can be controlled independently is given

    矢量變換控制是以交流電動機的雙軸理論為依據，在同步旋轉坐標系中把定子電流矢量分解為兩個分量：一個分量與轉子磁鏈矢量重合，稱為勵磁電流分量；另一個分量與轉子磁鏈矢量垂直，稱為轉矩電流分量。
  8. Study on the control system of ac excited generator fed by matrix converter

    矩陣變換器供電的交流勵磁發電機控制系統的研究
  9. 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。
  10. This paper deal with three - loop control system for synchronouns motor, stator current loop, var - current loop, exciter current loop. how to monitoring synchronizing error, and using 80196kc to control exciter

    本文討論了三環控制的同步電動機勵磁系統，即定子電流環，無功電流環和勵磁電流環。以及同步電動機失步檢測及以80196kc進行控制的方法。
  11. Secondly, methods of improving on probe are investigated in detail : using the electromagnetic shielding effect to decay the direct - coupled magnetic field and using the dual probe to control the energy flow, so as to make the probe to be shorter ; designing 3 - d pick - up coil array to increase detection sensitivity. at last, experiment system is set up to verify the simulation result and the comparing result shows simulation result agrees with experiment result

    其次，對改進傳感器性能的幾種方法進行了詳細研究:利用電磁屏蔽效應以衰減在直接路徑上的磁場傳播、採用復式探頭激勵方式以實現能流控制，從而減小傳感器體積，模擬證實這兩種改進方案有效;設計三維周向檢測線圈陣列以提高缺陷檢測靈敏度，模擬結果證實三維探頭的周向靈敏性。
  12. When the system is working, the photoelectric coder checks the speed of doubly - fed vscf wind power generator ; according as the principle formula of vscf, the excitation current frequency of rotor is calculated to satisfy the aim of vscf control

    系統工作時，用光電編碼器檢測出發電機的轉速，依據變速恆頻的原理公式計算出應饋入轉子勵磁電流的頻率，達到變速恆頻控制的目的。
  13. The system reached control goal by experimental verification and the experimental results showed the system could produce ac excitation voltage with low harmonic, quick adjusting speed, wide adjusting range and high control precision of frequency

    整個系統通過全面的實驗驗證，實驗結果充分說明所設計的系統產生出低諧波、調節速度快、調節范圍寬和頻率控制精度高的交流勵磁電壓，達到了預期的目標。
  14. The concerted control strategy of rectifier and inverter is analyzed to keep high modulation degree of spwm, which achieves quick response and high resolution of excitation voltage regulation

    重點分析了整流器和逆變器的協調控制策略，始終保持spwm高調制度，達到勵磁電壓調節的快速響應和高解析度。
  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. Keep the rotor current and the stator flux verticality on the stator current orientation, the paper realizes the rotor current orientation. the speed system has two channels, makes the machine decouple, realizes the independent control of the excitation current and the torque current and gives the excellent performance

    雙饋電機轉子電流定向矢量控制調速系統完全分為兩個通道，解除了雙饋電機的內部耦合，實現電機的勵磁電流與轉距電流的分別控制，使雙饋電機的調速性能優異。
  17. 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。
  18. 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。
  19. The adjustable speed control technique can make the capacity of converter and system cost and the complexity of control technique decrease

    通過控制轉子繞組勵磁電流的頻率來調節轉速，可使變流器的容量減小，降低調速成本和控制技術的復雜性。
  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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