electromotive force 電動勢。
電動勢。 “electromotive“ 中文翻譯： adj. 電動的。 “force“ 中文翻譯： n. 〔北英〕瀑布。 “ac electromotive force“ 中文翻譯： 交變電動勢; 交流電動勢“additional electromotive force“ 中文翻譯： 附加電動勢“alternating current electromotive force“ 中文翻譯： 交羚動勢“alternating electromotive force“ 中文翻譯： 交變電動勢; 交流電動勢“antenna electromotive force“ 中文翻譯： 天線電動勢“apparent electromotive force“ 中文翻譯： 視在電動勢“applied electromotive force“ 中文翻譯： 外加電動勢“back electromotive force“ 中文翻譯： 反電動勢“back electromotive force cell“ 中文翻譯： 反壓電池“back electromotive force coefficient“ 中文翻譯： 反電勢系數“back-electromotive force“ 中文翻譯： 反電動勢; 逆起電力“backbone electromotive force“ 中文翻譯： 反電動勢“bemf back electromotive force“ 中文翻譯： 反電動勢“cemf counter electromotive force“ 中文翻譯： 反電動勢“commutating electromotive force“ 中文翻譯： 整流電動勢“complex electromotive force“ 中文翻譯： 復電動勢“contact electromotive force“ 中文翻譯： 接觸電動勢; 接觸電熱勢“counter electromotive force“ 中文翻譯： 反電動勢; 逆電動勢“counter electromotive force cell“ 中文翻譯： 反壓電池“counter electromotive force control“ 中文翻譯： 反電動勢調整“counter electromotive force inverter“ 中文翻譯： 反電動勢變流器“counter electromotive force relay“ 中文翻譯： 反電動勢繼電器“counter electromotive force starter“ 中文翻譯： 反電動勢起動器; 反電動勢啟動器
electromotive series |
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In course of the simulation of mathematical model , this paper analyses and calculates quantitatively the key variables of torque pulsation , that is electromotive force wave and current wave , and tables a proposal through controlling the angle of pwm supply voltage , at the same time the results are given 在數學模型的動態仿真求解中，對電機轉矩產生的關鍵量?電動勢波形和電流波形進行分析研究和定量計算，并提出通過控制pwm電壓的開關角來降低轉矩脈動的方法，同時給出仿真結果。 |
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On the base of roundly analyzing and studying the running mode of the sensorless bldcm , we explain theories and realizable methods of detecting back electromotive force , phase verdict and phase compensation in detail . in order to improve the timing performance , the control strategy of this system is to use digital speed closed - loop control 在全面分析研究了無位置傳感器無刷直流電動機運行方式的基礎上，細致闡述了反電勢過零檢測、相位判斷及相位補償的原理及實現方法，并且為了在較寬的范圍內提高bldcm的調速性能，采用了數字式轉速閉環控制。 |
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Considering the relations between idle load characteristics and armature winding parameters of the salient pole propulsive synchronous motor ( spsm ) with its structure , stator tooth and magnetic saturation , the analysis of numerical method for the back electromotive force calculation of spsm is given under various exciting current values 摘要針對凸極式同步推進電機的空載特性及其繞組參數與電機結構、定轉子齒槽、磁場飽和等緊密相關的問題，分析了在不同勵磁電流下同步推進電機相反電勢的數值計算方法，提出了采用電機磁場能量微動法計算相繞組的參數，并對一臺十二相同步推進電機的繞組參數及其空載特性進行了計算和測量。 |
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The structure and starting / generating integral working principle of dsem is firstly explained in this thesis . starting control mode and generating reason of starter / generator were introduced , and the back electromotive force ( emf ) of starting state and generating state was also analyzed 本文首先闡述了電勵磁雙凸極電機的結構與起動/發電一體化工作原理,介紹了起動/發電機的起動控制模式和發電機理,對起動/發電機起動狀態和發電狀態的反電勢進行了分析。 |
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In this paper , firstly we analyse the distribution of the magnetic field in the permanent magnet canned motor pump which rate power is 15kw , and calculate the reactive electromotive force , armature reactance parameters of this motor pump with no loads and loads 本論文運用有限元方法分析了一臺15kw稀土永磁同步屏蔽電泵內部磁場的分布情況，得到了在空載、負載等不同情況下，電泵的氣隙磁密分布磁場，計算了反電動勢和電樞反應電抗等參數。 |
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Based on intelligent power module ( ipm ) and digital signal processor ( dsp ) , this system used hack - emf ( electromotive force ) method to implement the sensorless control for brushless dc motor of air conditioner ( ac ) in fcv 該系統基于智能功率模塊( ipm )和數字信號處理器( dsp ) ，采用反電勢法實現了電動汽車空調用無刷直流電動機的無傳感器控制。 |
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The semiconductor material has selective adsorption to the gas that changes the electronic concentration which also raises hail coefficient corresponding changes in the export of hall electromotive force 這種新型傳感器不僅可以根據需要輸出幾毫伏至幾十毫伏甚至幾百毫伏的直流電壓，而且具有其它半導體傳感器所沒有的優點無需另外加熱。 |
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Then the thesis detailedly dissertates its research pivot : the software realization of sensorless commutation detection based on the method of back electromotive force ( bemf ) and open - loop commutation start - up 然后，詳細論述了本文的研究重點：基于反電動勢法的五位置傳感器換相檢測和開環換相起動的軟件實現。 |
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The si unit of magnetic flux equal to the magnetic flux that in linking a circuit of one turn produces in it an electromotive force of one volt as it is uniformly reduced to zero within one second 韋伯磁通量的國際單位，等于當磁通量在一秒鐘內被統一地減弱為零時在它聯接的一圈電路內產生一伏特電動勢時的磁通量 |
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Moreover , we mensurate the reactances of the experimental motor by the way of direct joad method , and verify the vaiidity of “ electromotive force method “ 文章還運用直接負載法測定出樣機在不同負載下的電抗參數，驗證了“電勢法”的正確性。 |