瞬時相位電流 的英文怎麼說

中文拼音 [shùnshíxiāngwèidiànliú]
瞬時相位電流 英文
instantaneous phase current
  • 瞬 : Ⅰ名詞（眼珠一動; 一眨眼） wink; twinkling Ⅱ動詞（眨眼） wink
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 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...
  • 相位 : phase position; phase
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。
  2. This paper analyzes detailedly the principles on distributed busbar protection - current instantaneous value differential method, impedance method, and put forward the new method of current fault component phase method, then compares with these methods

    本文詳細分析了分散式母線保護中的原理?瞬時值電流差動法、阻抗法，提出了電流故障分量相位法的新方法，將這幾種方法進行比較。
  3. It is showed that the torque ripple is not only connected with the phase currents, but also with the other factors, such as the instantaneous phase emf ' s in the case of commutation, the angle of commutation and the parameters of the windings

    從一個新的角度分析了繞組換相引起轉矩波動的原因，指出換相轉矩波動不僅與電機繞組電流有關，還與換相時相繞組感生電勢瞬時值、換相位置角、繞組參數等因素有關。
  4. By the means of theory, simulation and experiment, the second part of this paper is then analyzed which is on the equivalent output resistance and inductance of the selected inverter and the effect to the output voltage ' s amplitude and phase caused by the different values of the inverter ' s component. it is concluded that by selecting certain precision level components, the difference of the output voltage amplitude is much greater than that of the output voltage phase

    其次通過理論、模擬和實驗分析了本文所採用的電壓電流雙閉環瞬時控制方式逆變器的等效輸出阻抗和兩臺逆變器器件差異對輸出電壓的幅值差和相位差的影響，從而得出選用一定精度的器件，兩臺逆變器輸出電壓的幅值差比相位差大得多的結論。
  5. It involves not only the detection of signal frequency, signal phase and power factor but also calculation and control of phase. the method of calculating phase is based on fast fourier transform algorithm ( fft ). it is used to calculate signal frequency, signal phase, power factor and the phase on / off time according to sampling instantaneous value of voltage and current

    本文主要提出了採用信號處理技術（快速傅里葉變換fft ） ，根據電壓、電流采樣的瞬時值，計算信號頻率、信號相位、功率因數、分合閘相角的選相控制方法，並介紹了最終控制分合閘的原理與實現方法
  6. Firstly, three - phase static inverter under the space vector pulse width modulation ( svpwm ) is analyzed. then instantaneous control for three - phase static inverter is implemented in the synchronization frame through dq transform to get the information about amplitude and phase of output voltage

    本文在對空間矢量脈寬調制（ svpwm ）方式下三相靜止變流器分析的基礎上，通過dq坐標變換提取輸出電壓幅值與相位的信息，實現在同步坐標下對三相靜止變流器的瞬時值控制。
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