单词back emf
un.: 反电动势
网络: 反电势；反电动势法；反电势法
反电动势
The force constant and its associated back- EMF constant of a VCM can be highly nonlinear with the mechanical structure.
在音圈马达中，由于其机械结构及磁路架构，力常数及反抗电动势常数呈现高度非线性之特性。
However, the torque ripple at the 79% pole-arc to pole-pitch ratio is not minimal although the THD of back EMF is minimal at this point.
然而，在转矩脉动79%极弧极间距比不最小虽然反电动势是最小的总谐波失真在这一点上。
However, it is possible to achieve the sinusoidal back EMF waveform at the small pole-arc to pole-pitch ratio.
但是，它可以实现在小极弧极间距比正弦反电动势波形。
Table II shows the total harmonic distortion (THD) of each phase back EMF.
表二显示了每个阶段的总反电势谐波失真（THD）。
After that, a rotor position estimator is proposed. By detecting the back emf, a rotor position of the motor can be obtained.
其次，本文提出一种转轴角度估测器，藉由侦测反电动势，获得三相无刷直流风扇电动机的转轴角度。
Therefore, the back EMF owing to pole-arc to pole-pitch ratio is analyzed prior to the decision of magnetic loading.
因此，中小企业市场推广基金由于极弧背撑间距比之前分析的磁负荷的决定。
The A8904 provides complete, reliable, self-contained back-EMF sensing, motor startup and running algorithms.
A8904可提供完整、可靠、自主式反电动势感测、电动机启动和运行算法。
Therefore, we can verify that the THD of back EMF is not always related to the torque ripple in the IPMSM.
因此，我们可以验证的反电动势总谐波失真并不总是相关的永磁同步电动机转矩脉动。
The mechanical platform of unregulated voltages, power and back-EMF spikes, and the electronic platform of clean power and 5-volt signals.
非调节电压、电力和反电动势峰的机械平台以及干净电源和5伏信号的电子平台。
Fig. 3 shows the comparison results of phase back EMF between the simulation and the experiment.
图。3显示的结果相比较的反电动势之间的模拟和实验。