back electromotive force
英
美
逆电动势, 反向电动势；反电动势
双语例句
- Analysis of No-load Back Electromotive Force for a Permanent Magnet Linear Motor with Short-pitch Concentrated Windings
短距集中绕组永磁直线电机空载反电势分析 - As the back electromotive force ( EMF) under DTC operation is not continuous but discrete, a low-pass filter block was set behind the back EMF block to make the back EMF signal continuous so that the dot product of flux vector and back EMF vector was calculated.
针对在直接转矩控制下反电势信号存在跳变而非连续的特点，对其采取了信号平滑处理以便于反电势与磁链矢量的点积运算。 - 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，详细论述了本文的研究重点：基于反电动势法的五位置传感器换相检测和开环换相起动的软件实现。 - Analytical calculation of no-load air-gap magnetic field and back electromotive force in Brushless DC motor
永磁无刷直流电机空载气隙磁场和绕组反电势的解析计算 - A model of permanent magnet synchronous motor ( PMSM) in the estimation two phase rotating reference frame is introduced and an extended back electromotive force ( EMF) equation is deduced.
介绍了在估算的两相旋转坐标系下的永磁同步电机模型，推导出了反电动势方程的扩展形式。 - The action of stator tooth and slot affects back electromotive force wave and orientation torque of propulsive permanent magnet synchronous motor ( PMSM), consequently influences smooth running at the stage of low speed.
定子的齿槽效应影响着推进电机的反电势波形及定位力矩等，进而也影响推进电机输出转矩的低速平稳性。 - Calculation of Back Electromotive Force and Orientation Torque in Propulsive PMSM Considering Skewed Slot of Stator and Rotor Running
考虑定子斜槽及转子运动永磁推进电机反电势及定位力矩的数值计算 - The theory of electromagnetic field and the method of finite elements are used in precise calculation of back electromotive force in the traditional design of brushless DC motor.
在传统的无刷直流电机设计当中，要准确计算电机的气隙反电势等特征参数，一般采用电磁场理论和有限元方法。 - The primary causation for the problem that phase current during reverse braking out of control is a short loop by the back electromotive force, and it proposes a double switching modulation scheme that can control braking current effectively.
指出在反接制动中电动势短接回路的存在是造成再生电流失控的根本原因，并提出了相应的双管调制策略。 - At first we established a test platform, making parameters adjustment of the electric machinery, testing In-Wheel-Motor back electromotive force, torque and the NT curve.
首先搭建了试验平台，对电机进行了参数调节，测试了轮毂电机的反电动势、转矩和NT曲线。