轉子電流 的英文怎麼說

中文拼音 [zhuǎnzidiànliú]
轉子電流 英文
rotor current
  • 轉 : 轉構詞成分。
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 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...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. 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。
  2. The machine is specially designed for raising the performance and production efficiency of micro - motors

    電機轉子整流子精車機是為提高微特電機性能和生產效益而專門設計的系列化專用設備中的一種。
  3. Combined with the peuliarity of pmsm, the pmsm starting - torque and starting - current are studied, analyze why we chose such a rotor ' s slot, at the same time, generalize how to calculate the resistance of the rotor

    第四部分結合永磁同步電動機的自身特點研究了樣機的起動轉矩和起動電流，並分析了樣機所選轉子槽形，同時得出永磁同步電動機< wp = 5 >轉子電阻的計算方法。
  4. In the process of parameters identification, the stator voltag is considered as input quantity and the stator current and motor rotate speed are considered output quantities. the rotor resistance and leakage inductance are estimated on - line and the identification results is got at last

    在參數辯識過程中，以電機起動時的定子電壓為輸入量，定子電流和電機轉速為輸出量，對復合籠條轉子感應電動機轉子電阻和漏感進行在線估計，最後得到轉子電阻和漏感的辨識結果。
  5. Simulation results showed that this control strategy can decrease the stator current anti improve the efficiency of the system

    模擬結果表明永磁同步電動機直接轉矩控制系統最大轉矩電流比控制可以降低定子電流，減小損耗，從而提高系統效率。
  6. The system collects top dot sign, speed, pressure and ion currency

    系統本身具備採集到發動機的上止點、轉速、壓力和離子電流信號等功能。
  7. As a non - linear and multi - coupled system, the control of the ac induction motor ( acim ) has long been challenging. thanks to the vector control algorithm, acim can offer the same control capabilities and dynamic performance as traditional high - performance dc motors. with the vector control algorithm, the stator current of acim can be expressed in two orthogonal axes, and thus the rotor flux part and torque are de - coupled

    交流感應電機難于控制是因為它是一個非線性、多耦合的系統，矢量控制演算法通過坐標變換將異步電機的定子電流分解為轉子磁鏈方向和與之垂直方向的兩個分量分別進行控制，從而實現轉子磁通和轉矩的解耦，使得交流感應電機的動態性能可以和直流電機媲美。
  8. Locked rotor current

    鎖定轉子電流
  9. This strategy has many advantages : solving the problems that the system is unsteady under super - synchronization ; improving power factor of stator ( it is unity relative to that of rotor ) ; no rotor position sensor and no initial position measurement, easily building up doubly fed speed adjustment system with speed sensorless because adjusting speed is taken in the rotor coordinate and rotor current vector fixing is implemented

    該方案由於引入了定子電流勵磁分量的閉環控制，使系統同時具有轉速和勵磁調節兩個調節通道，具有如下優點：一、解決了超同步工作工況不穩定的問題；二、提高了定子側的功率因數（與轉子側功率因數為1相比） 。三、由於速度調節在轉子坐標系下進行，並以轉子電流矢量定向，所以無須轉子位置傳感器，也不用檢測初始位置，易於組成無速度傳感器雙饋調速系統。
  10. Based on the analysis of the control theory of the dtc of doubly fed induction machines, in this paper, two control schemes are proposed : the least mode of rotor current and the stator power factor adjustable mode. in the first control scheme, we may make the rotor voltage the same or opposite phase with the rotor current by throwing suitable rotor voltage vector

    在第一種控制方案中，通過施加轉子電壓矢量，使轉子電流與轉子磁鏈垂直，轉子勵磁全靠定子電流，即可保證轉子電流和轉子電壓同相或反相，從而實現了轉子側功率因數為1 ，可減小轉子側變頻器的容量。
  11. The contributions done are as follows : according to the mathematical model of doubly fed motor and the theory of vector control, a unit power factor of rotor control scheme is proposed. in the doubly fed adjustment system, in order to control magnetic torque of motor this scheme is designed by controlling the reverse direction between rotor voltage and current to keep the vertical direction between rotor current and flux. it is known from theoretical analysis that for partly decoupling this scheme is only effective under sub - synchronization speed, but not control the system and obtain steady state since speed adjustment system ca n ' t adjust the magnitude of rotor flux under sup - synchronization

    而傳統的無速度傳感器雙饋調速矢量控制系統，由於採用磁鏈定向方法，在同步速附近存在較大的工作死區，針對上述問題，本文做了如下的研究工作：本文從雙饋電機的數學模型出發，根據矢量控制的基本原理，提出了一種轉子側功率因數為1的雙饋電機矢量控制方案的設想，即在雙饋調速時採用轉子電流定向的方法，並控制外加轉子電壓與轉子電流始終反相，以保持了轉子電流與轉子磁鏈矢量垂直，通過控制轉子電流的大小來達到控制電機電磁轉矩的要求。
  12. Simulations for these two conditions prove validity of theoretical analysis. on the basis of this scheme, a new speed adjustment strategy about vector control of doubly fed motor based on rotor current vector fixing is given. it introduces the closed - loop of stator excitation current to the system, which increases two adjustment channels : speed and excitation adjustment

    經理論分析可知，該方案中，由於轉子電流與磁鏈無法實現完全解耦，故僅在亞同步工況下有效，在超同步時則會因為調速系統不能自動校正轉子磁鏈幅值變化引起的橫向電流而使系統失去控制，無法達到穩定狀態。
  13. Computation is eased by the law as the rotor current observer is needless under this way

    該控制律無需對轉子電流進行觀測，減少了計算量。
  14. Second, the forecasting model for the field current based on the fuzzy system is discussed

    其次，本文介紹了基於模糊系統的轉子電流預測原理。
  15. The paper gives the vector control speed system of the double - fed machine on the rotor current orientation

    在進行定子磁場定向後，保持轉子電流與定子磁鏈相垂直，進行轉子電流定向。
  16. In this paper, a direct method based on fixing the rotor current is proposed. by the experiment, we can prove that the method is correct

    本論文提出了轉子電流定向的速度辨識方法，並且通過模擬、實驗研究驗證了本方法的正確性及實際的可行性。
  17. In this paper the predictive system of field current is studied using takagi - sugeno fuzzy system. the input parameters are drawn from the turbo - generator ' s stator

    因此，本文利用基於神經網路集成的高木一關野模糊系統來建立發電機正常運行時轉子電流的預測模型。
  18. Finally, a large number of experiments are done in this paper, such as the experiments of constant voltage and constant frequency, the current waveform of rotor, different carried - wave ratio, the transition smoothly and connecting electricity web etc. the theoretics and experiments results show that the design of control system is rational, terse and steady ; the analysis of control strategy and system experiments are successful basically

    最後，本文對系統進行了大量的試驗研究。其中主要包括：恆頻恆壓，轉子電流波形，不同載波比，同步速過渡及其並網試驗等。理論及其試驗結果表明：本控制系統的設計是合理、簡潔、穩定的；控制策略的分析和試驗基本上是成功的。
  19. 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。
  20. The steady state and transient characteristics of the aceg system are simulated, the harmonics of the emf and stator current and rotor current as well as mc ' s input current are researched. the operation characteristics of aceg with mc as an exciter are compared to those of aceg with ac - dc - ac converter and cycloconverter as an exciter. the results in this thesis will be helpful to the design of the aceg excitation control system

    利用所建模型，對交流勵磁發電機系統的穩態調節特性、暫態特性進行了模擬研究；模擬研究了發電機定、轉子電流和感應電勢及變頻器輸入電流波形，並作了相應的諧波分析；與交-直-交變頻器和交-交變頻器作勵磁電源時發電機的運行特性進行了對比分析。
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