定子磁場 的英文怎麼說

中文拼音 [dìngzichǎng]
定子磁場 英文
stator field
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : 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...
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
  • 磁場 : [物理學] (傳遞運動電荷或電流之間相互作用的物理場) magnetic field
  1. In 1990s, a calculation of the ground - state energy of an exciton confined in a cylindrical quantum wire in the presence of a uniform magnetic field is reported as a function of wire radius, using a variational approach by gang li, spiros v. branis and k. k. bajaj. a. balandin and s. bandyopadhya present variational calculations of the ground - state exciton binding energy and exciton radius in a quantum wire subjected to an external magnetic field. these studies have been primarily responsible for our current understanding of the nature of excitonic states in a quantum wire subjected to an external magnetic field

    九十年代中期,人們就開始了關于在外加時量線中激特性的研究, gangli , spirosv . branis和k . k . bajaj利用變分法,對于圓柱形的量線中激的基態束縛能進行了計算,發現對於一個給值,激的基態束縛能比不加時變大。
  2. This system makes a breakthrough of traditional incremental motion control theories. it breaks the strict ambit between continuum and discrete, speed and position, rotation and step, the space vectors of stator magnetic field and rotor magnetic field are selected as the main control objects, incremental motion control and motion control are combined organically to make incremental motion control develop to large capability, high efficiency, high precision

    這其中的交流步進控制理論打破了傳統的增量運動控制思想,打破了連續與離散,速度與位置,旋轉和步進的嚴格界限,以、轉空間矢量為主要控制目標,將增量控制與運動控制有機的結合起來,使增量控制向大容量、高效率、高精度方向發展。
  3. Adopting rotor field - oriented vector control methods, through which make the stator and the rotor magnetmotive forces can be kept orthogonal all along during operation of the bldcm, combining hysteresis current modulation ' s current control advantage and space voltage vector modulation ' s torque ripple attenuation advantage, then designing a sort of bldcm hysteresis current svpwm control method

    摘要研究採用轉向的矢量控制方法使無刷直流電動機、轉勢矢量始終保持正交,結合滯環調制電流控制和空間電壓矢量調制,設計了無刷直流電動機滯環電流svpwm控制方案。
  4. Some research about sensorless control of induction motors in recent years has been introduced in chapter one. in chapter two, a field - oriented control system with current regulator and voltage source inverter ( vsi ) is presented firstly, which is proved in theory that the voltage feed - forward decoupler can be omitted, the good decoupled control properties of flux current and torque current is also validated by experiments with speed - sensor based on f240dsp real system

    論文第二章從異步電機的基本數學模型入手,介紹了一種基於轉向的帶電流內環控制的電壓型逆變器輸出閉環矢量控制結構,在理論上證明了該模型可省略電壓前饋解耦環節,採用f240dsp晶元構建的帶速度傳感器實驗系統驗證了其電流勵分量和轉矩分量有良好的解耦控制特性。
  5. Taking core loss into account has important effect to improve the torque performance of the motors " field oriented control. in this paper, the transient mathematical model of the asynchronous motor with core loss is setup. the method is proposed that minimizes the loss in a variable speed and torque at the synchronous rotating coordinate

    在對損耗分析的基礎上,建立了考慮鐵損時異步電機的動態數學模型,推導出在同步旋轉坐標系下變速、變轉矩時使電機功率損耗最小的方法,並且結合矢量變換提出了基於快速轉向的矢量控制。
  6. The inverter drive signals are synchronized with the position sensor output signals so that synchronism between the stator winding currents and the rotor flux is ensured for any speed

    逆變器的驅動信號與轉位置信號同步從而保證在任意的速度下繞組電流與轉同步。
  7. In engineering, vector control ( vc ) is called as filed orientation control ( foc ). the principle of foc is to divide stator current into two dc components. one of them is oriented to the rotor magnetic flux, another is oriented to the torque. the operating process can be carried out by transforming coordinate in magnitude flux and torque keeping consistent conditions

    矢量控制一般稱為向控制,該控制理論的原理是在轉通和轉矩保持不變的情況下通過坐標變換將異步電機的電流分解為按轉向的兩個分量分別進行控制,從而實現轉通和轉矩的解耦。
  8. The paper gives the vector control speed system of the double - fed machine on the rotor current orientation

    在進行定子磁場向後,保持轉電流與鏈相垂直,進行轉電流向。
  9. Speed estimation utilized in this paper is based on the way of full order flux observer

    本文採用在轉向的條件下,基於全階鏈觀測器的轉速估計。
  10. In rotor flux orientation control, rotor time constant t2 is a key issue of high performance vector control technology

    在轉向異步電機矢量控制系統中,正確的轉時間常數是高性能矢量控制系統的關鍵。
  11. In this paper, a design of closed - loop rotor flux oriented vector - control system of induction motor is presented based on 56f8346 from motorola

    本文以motorola的56f8346為電機控制晶元研究設計了轉向的異步電機雙閉環矢量控制系統。
  12. After studying a lot of documents, we present a speed - estimating method for direct torque control system. this method is based on the theory of dtc, but it takes advantage of the convenient of both the theory of dtc and the theory of foc. we need only to sample the stator ' s current to estimate the speed of the rotor, at the same time the integration of the voltage is avoided

    在研究大量文獻的基礎上提出了一種適用於交流電機dtc控制系統的轉速計算方法,該方法以dtc控制為中心,結合dtc和定子磁場向和轉向各自的特點,綜合利用各自的有利之處,只需測量電流,避免了對電壓積分,思路清晰,計算簡單。
  13. This paper adopted the sensorless control scheme based on stator field oriented control and adaptive low - pass filter theory. and carried out simulation, program, and experiment works

    本文在查閱了大量文獻資料后,採用了基於定子磁場向控制和自適應低通濾波器的無速度傳感器演算法,並進行了大量的模擬、編程和實驗工作。
  14. The direct torque control theory is a kind of new control method after vector control theory in ac control field. it calculates and controls the torque and the flux of ac electromotor in stator coordinate using the voltage space vector. adopting the stator magnetism field direction method, it recurs to discrete pang - pang control producing pulse width modulation signal and controls the switch state of the transductor when better quality steady - state performance is produced

    直接轉矩控制技術是繼矢量控制技術之後交流調速領域中新興的控制技術,它採用空間矢量分析的方法,直接在坐標系下計算並控制交流電動機的轉矩和鏈,採用定子磁場向,藉助于離散的兩點式控制產生脈寬信號,直接對逆變器的開關狀態進行最佳控制,以獲得轉矩的高動態性能。
  15. In this scheme, the torque of motor is calculated and controlled in the staler reference frame. by using stator field orientation, the optimum switching mode is achieved to control the inverter

    它直接在坐標系下計算和控制交流電動機的轉矩,採用定子磁場向控制,直接對逆變器的開關狀態進行最佳控制。
  16. Stator flux oriented control of asynchronized synchronous generator

    異步化同步發電機定子磁場向控制
  17. The dynamic performance of vscf double - fed wind power system is discussed. it is shown that vscf double - fed wind power system with stator field - oriented vector control has good performance

    並且採用定子磁場向的矢量控制方法實現對風力發電機的控制,分析了雙饋型變速恆頻風力發電系統的動態特性。
  18. This thesis shown that vscf ac exited wind power system with stator field - oriented vector control has a series of good performance and all the control schemes which had been introduced in this paper has its feasibility

    本文研究結果表明,採用定子磁場向矢量控制的交流勵風力發電機系統具有許多優越的性能,且本文採用的控制技術和進行的控制相關分析都是可行的。
  19. Matrix converters have received considerable attention in recent years, but the study focus is on matrix converter per se. a combined control strategy for matrix converter fed induction motor drive system is proposed, which implements both space vector modulation of matrix converter and direct field oriented control of induction motor

    摘要提出了一種適用於矩陣變換器供電的異步電動機調速系統的組合控制策略,同時實現了矩陣式變換器的空間矢量調制和異步電動機的定子磁場向直接轉矩控制。
  20. Combined with the advantages of matrix converter, ac - excited generation technique and vector control scheme, the stator flux - oriented vector control model of the variable - speed constant - frequency ( vs cf ) ac - excited generator fed by a matrix converter was developed. simulation studies of the proposed power generation system were carried out

    本文還結合了矩陣式變換器、交流勵發電技術和矢量控制的優點,建立了矩陣式變換器供電的變速恆頻交流勵風力發電機定子磁場向的矢量變換控制系統模型,對矩陣式變換器在交流勵發電系統中應用進行了模擬研究。
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