電樞磁通 的英文怎麼說
中文拼音 [diànshūcítōng]
電樞磁通
英文
armature flux-
Most conventional permanent magnet motors can accept an armature current three or four times the rated current.
大多數普通的永磁式電動機能承受34倍額定值的電樞電流。The forth chapter is about the concept of digital maps, and introduce how to gride the digital maps for purpose of firepowers disposal. the fifth chapter import the models of transmission of electromagnetic waves. to clarify the communication ways between communication subsystem and firepowers
第五章根據電磁波的傳輸特性及其數學模型,建立了戰區指揮車(通信中樞)與發射車(火力點)之間的通信模型,以及空域火力覆蓋的分層投影分析,這是本演算法核心。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
本文通過對旋轉整流器在正常與故障狀態下的交流勵磁機電樞電流和電樞電勢作了初步的理論分析,推導出旋轉整流器在正常與故障狀態下電樞電流、空間諧波合成磁勢及其感應電勢的數學表達式。A commutator - brush combination is used as a mechanical rectifier to make the armature terminal voltage unidirectional and also to make the mmf wave due to the armature current fixed in space
通過使用換流器電刷的組合作為一個機械整流器以使得電樞的端電壓為單方向的同時也使得由電樞電流所產生的磁動勢在空間是固定的。Because the controller is easy to get the position of rotor by the encoder, we can continuously rotate the flux of the armature rotor by applying spwm method to the control system. the continuous rotation of the flux of armature make the output torque of motor has no ripple
由於通過編碼盤可以輕易獲得精確的電機轉子位置信號,故運用spwm調制方法可以使得無刷機的電樞磁場按照圓形軌道連續旋轉,從而實現輸出轉距無脈動。The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right
通過對同步發電機各種運行曲線的計算,在已有文獻的基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行特性和參數的影響;求出了空載特性曲線和零功率負載特性曲線,在不同的電樞電流下計算得到的波梯電抗不同;求出了功角特性曲線,與不計飽和時的功角特性曲線相比較,功角穩定極限小於90 ;求出無功調節曲線,與不計飽和時相比較, u型曲線向右偏移。Most conventional permanent magnet motors can accept an armature current three or four times the rated current
大多數普通的永磁式電動機能承受3 4倍額定值的電樞電流。The changing law of the synchronous armature reaction reactance parameter of the rare - earth permanent magnet synchronous machines is given out by analyzing the testing data, and the reliability of the testing instrument is proved by the experiment
通過對測試系統所測數據的分析研究,總結出了稀土永磁同步電機的電樞反應電抗參數的變化規律,並通過實驗驗證測量裝置的可靠性。By increasing the resistance, the characteristic will cut zero - speed axis to give a lower, though adequate starting torque and a reasonable starting current
並勵電動機(機械特性)方程表明:若磁通和電壓恆定,則向下傾斜的轉矩/速度曲線的斜率是直接與電樞電阻成正比的。The brushed are so placed that when the sides of an armature turn ( or coil ) pass through the middle of the region between field poles, the current though it changes direction
電刷是這樣安排:當電樞繞組(或者線圈)的邊通過勵磁磁極區域中部時,流經其的電流就會改變方向。The brushes are so placed that when the sides of an armature turn ( or coil ) pass through the middle of the region between field poles, the current though it changes direction
電刷是這樣安排:當電樞繞組(或者線圈)的邊通過勵磁磁極區域中部時,流經其的電流就會改變方向。Second, a doubly salient electro - magnetic generator employs two independent channels consisting of two groups three phase windings. the two channels provid power to the same load and output voltage can reach the demand through adjusting the excitation current
文中還在一臺電勵磁雙凸極發電機的定子上設置兩套3相電樞繞組,實現雙通道發電,通過調節勵磁電流大小使兩發電通道輸出相應的額定電壓,並聯向負載供電。Referring first to the equation of the shunt motor shows that the downwards slop of the speed / torque curve is directly proportional to the armature resistance with constant flux and voltage
並勵電動機(機械特性)方程表明:若磁通和電壓恆定,則向下傾斜的轉矩/速度曲線的斜率是直接與電樞電阻成正比的。While small generators frequently have revolving armatures , large machines usually have stationary armatures and revolving fields
通常小型發電機採用旋轉的電樞,而大型發電機則採用固定的電樞和旋轉的激磁線組。On the analysis of the data acquired with this system, the paper arrived at some rules on the armature reaction reactance of rare - earth pmsm, and testified its reliability by experiment in this paper, four parts are included : 1
通過對測試系統所測數據的整理,總結出了稀土永磁同步電機的電樞反應電抗參數的變化規律,並結合實驗驗證了系統的可靠性。本文共分四章,主要工作可以歸納為: 1Resistance of the stator is obtained by solving a 1 - d magnetic field diffusion problem. based on the code, curves of fcg ' s inductance, resistance, temperature and its output current, voltage are calculated. secondly, the expanding process for an armature of a helical fcg is studied in depth by a nonlinear, explicit finite - element ( fe ) code
數值計算電感時考慮了螺旋型fcg的三維效應,以及電樞表面鏡像電流的分佈,並通過求解圓柱型導線的一維磁場擴散問題比較精確地得到了fcg定子的電阻,在此基礎上計算了fcg裝置的電感、電阻、輸出電流、電壓和溫度等隨時間的變化。分享友人