旋轉勵磁 的英文怎麼說

中文拼音 [xuánzhuǎn]
旋轉勵磁 英文
rotating excitation
  • : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
  • : 轉構詞成分。
  • : Ⅰ動 (勸勉) encourage; exert oneself Ⅱ名詞(姓氏) a surname
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • 旋轉 : revolve; gyrate; rotate; spin ; revolution; revolvement; rotation; circumgyration; circulation
  • 勵磁 : [電工] excitation; field; exciting; energizing勵磁波 field wave; 勵磁場 exciting field; 勵磁電動...
  1. This paper theoretically analyses the armature current and magnetomotive force in ac exciter of brushless synchronous machine with rotating rectifier. under the normal or fault conditions of rotating rectifier, the mathematical expressions of the armature current, the m. m. f and induced electromotive force are approached

    本文通過對整流器在正常與故障狀態下的交流機電樞電流和電樞電勢作了初步的理論分析,推導出整流器在正常與故障狀態下電樞電流、空間諧波合成勢及其感應電勢的數學表達式。
  2. Compared to the traditional converter, the new one can transform electric power from a static part to a rotary part without an electrocircuit connection, which makes the contactless power transform come true. one application of this converter is to supply a steady and regulable excitation circuit for synchronous generator by integrated its second winding with the motor while its primary winding is static. the thesis gives two methods of the rotating converter design paticullarly : flyback and fullbridge, and explains how the circuits are designed

    通過理論分析、模擬分析和實驗驗證,得出這兩種變換器都能進行感應電能傳輸,但它們的傳輸功率是不同的,反激式換器最大隻能傳輸幾十瓦功率的感應電能,因此只能用在感應電能傳輸較小的場合,或者信號傳輸的場合;而全橋式變換器能傳輸較大的功率,可用於電機的新型無刷方案中。
  3. Analysis software. the analysis show : the gyroscope effect to the flywheel rotor ' s and the shaft ' s vibration character under high rotate speed should be considered. at this time, the system ' s normal frequency is the function of rotate speed ; the amplitude passing through the resonance field can be lowered obviously by improving the effective damping of the electro - magnetic bearing

    建立了高速狀態下,採用軸承作支撐的飛輪子和軸的動力學模型,給出了有限元法在此問題中的具體應用,並利用i - deas有限元分析軟體具體分析了飛輪系統的共振頻率、系統振型,以及對偏心激的響應,分析表明:對于高速的飛輪子和軸,應考慮陀螺效應對其動力學特性的影響,此時系統的固有頻率是速的函數;通過提高軸承的等效阻尼可顯著降低系統通過共振區域時的振幅。
  4. Based on characteristics above, a new theory of “ controlling movement by moving ” is proposed, which means that controlling welding arc by moving magnetic field. a new device for generating rotating magnetic field is designed ; magnetic head and excitation power source are included

    本文基於以上幾種場形態和方式的特點,提出了「以動制動」的控制思想,即用動態變化的場來控制電弧的運動,研製了一套新型場發生裝置,本裝置包括頭裝置和電源兩部分。
  5. The innovation in this paper is list below ( 1 ) use rectangle - shape pipeline so that the inducing electromotive force could be enhanced ; ( 2 ) use alternating current whose frequency is adjustable to induce the magnetic ; ( 3 ) make the flowmeter intelligent by use the microprocessor ; ( 4 ) finish designing the ls flowmeter with utra - low power consumption

    本文的創新之處在於採用矩形測量導管大大增加微流量條件下的感應電動勢;採用輸出頻率可調的正弦波電流作為電流達到消除50hz頻干擾和減少正交干擾的目的;利用單片機等高端現代電子產品實現了電流量計的高度智能化及設計出真正的超低功耗的、可用干電池長期供電的ls流量計。
  6. By the test of three - dimensional distribution, form character, rotating frequency and magnetic field intensity of rotating magnetic field, it showed that the magnetic field produced is a highly rotating magnetic field and mainly distribute on welding arc region, rotating frequency and magnetic intensity can be regulated through excitation power source

    通過對產生場的空間分佈,形態特徵,以及頻率和場強大小的測試證明該場是一個高速場空間,而且場主要集中分佈在焊接電弧區域內,場的頻率和場強大小都可以通過電源進行良好調節。
  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,在同步坐標系中把定子電流矢量分解為兩個分量:一個分量與鏈矢量重合,稱為電流分量;另一個分量與鏈矢量垂直,稱為矩電流分量。
  8. In this papef, the torpedo ' s counterrotating propulsion dc motors ( including series excitation motor and permanent magnetic excitation motor ) are the core to stlldy ; combining the characteristics of battery shiffing electrical equipment and counterrotating propellers, the mathematic models of the torpedo ' s electrical counterrotating propulsion system ( including the mathematic models of the propulsion motors and the zn / ago battery and the shifting electrical equipment and counterrotating propellers ) are established

    本論文以雙魚雷直流推進電機(包括直流串電動機和永電動機)為研究重點,結合鋅銀電池組、變速電器、對槳的特性,建立魚雷電動力推進系統的數學模型(包括推進電機、鋅銀電池、變速電器和對槳等的數學模型) 。
  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

    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,輸出交流脈沖信號,以調節換頻率和電流大小為手段,實現對頻率和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. In order to make the full use of the facility to maintain the machine rotating system, the alternative excitation setting, which remains by altering the excitation setting, is changed into subsidiary generator running on the same shaft. and it can enhance the work capacity of the whole unit

    為了充分利用設備,保持原機組的機械系統狀態,現將系統改造后空余出的交流機改為同軸運的副發電機,增加整體機組的工作容量。
  11. Rotating electrical machines ; part 16 : excitation systems for synchronous machines ; chapter 2 : models for power system studies

    電機.第16部分:同步電機系統.第2章:動力系統研究模型
  12. Development of a new excitation regulator system for rotating thyristor excitation system

    晶閘管式同步發電機無刷的研究
  13. In brushless excitation system, rotating rectifier is likely to occur several faults. but there is not clear linearity relation between the cause of fault and corresponding symptom. and it is difficult to describe their relation with mathematics model

    在無刷系統中整流器可能出現各種故障,但故障原因和相應的癥狀之間往往沒有明確的線性關系,也就很難距歷g洲精確的數學模型來描述。
  14. Firstly, the voltage sample signals from ac exciter stator coil were de - noised and filtered by means of decomposition of the wavelet function. secondly, the character frequency region of the rotating rectifier fault was selected clearly with wavelet package decomposition and reconstruction

    先對交流機定子極線圈電壓采樣信號進行消噪濾波,再通過小波包分解和重構進行特徵頻率提取,建立了表徵整流器故障的特徵向量。
  15. Rotating electrical machines - excitation systems for synchronous machines - definitions

    電機.同步電機系統.定義
  16. Rotating eletrical machines ; part 16 : excitation systems for synchronous machines ; chapter 1 : definitions

    電機.第16部分:同步電機系統.第1章:定義
  17. Enclosed field discharge circuit breakers for rotating electric machinery

    電機用封閉場放電斷路器
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