磁势

Above all,the electromagnetism parameter and the harmonic magnetomotive force of Powerformer are studied in this paper.

基于上述原因，本文对Powerformer的电磁参数以及定子绕组谐波磁势进行了研究。

Also the conformal transformation with complex variable theory can give an image of section of line to a circle and it could meet the condition to set mirror image currents before infinite half plane region.

磁场求解的场域满足磁势的拉普拉斯方程，可以通过复变函数的保角变换方法把圆环域变换为矩形域并延拓为带状域，结合平面镜象电流方法求解。

On the base of roundly analyzing and studying phase relation of stator magnetometive force and rotor one of brushless DC motor,the main purpose of this paper is to analyze thoroughly positive and negative rotation logic layout of sensorless BLDCM,and explains the differences between BLDCM and sensorless BLDCM.

依据无刷直流电动机定转子磁势的相位关系，深入分析无位置传感器无刷直流电动机正反转控制的逻辑编排，并分析了无位置传感器和有位置传感器正、反转控制的不同。

BLDCM ; Logic layout ; Positive and negative rotation control ; Magnetometive forec ; Postition sensor

无刷直流电动机；逻辑编排；正反转控制；磁势；位置传感器

Not only accurate speed control, but also accurate position control are achieved by controlling the dispersed step magnetomotive force of synchronous motor.

对同步机离散的步进磁势进行控制，不仅可以获得精确的速度控制，还可进一步获得精确的位置控制。

First, the application and development of synchronous motor in incremental motion control are discoursed. The classification of electrical machines are discussed under space magnetomotive force. So a new research direction on stepping control of synchronous motor is introduced, and the study of this dissertation is significant.

首先，论述了在增量运动控制中同步电动机的应用与发展，在空间磁势下将电机进行了归类研究，从而引出了同步电动机步进控制这一新的研究方向以及本论文研究的必然性。

The paper carried on the theoretical analysis, the computation of the air gap magnetomotive force, the electromagnetism torque and MMF decoupling parameter k.

对六相电机气隙磁动势、电磁转矩和磁势解耦参数k进行了理论分析和计算，并通过实验进行验证。

Ured out , an expanded equation for the current2limiting reactance is derived combining the magnetomotive force equations

在根据谐波要求确定了变压器式可控电抗器功率控制级数的基础上，把磁势平衡方程和支路

From these dynamic solutions, frequency and mode shapes of sectorial plate and sectorial annular plate under boundary conditions of GSS and GRS are derived. The three-dimensional exact solutions of the displacement, electric potential, magnetic potential, stress, electric displacement and magnetic induction of equilibrium problems are also obtained.

由动力学的一般解，导出了扇形板和扇形环板在广义弹性简支和广义刚性滑动边界条件下自由振动的频率方程和振型；并得到了平衡问题的扇形板和扇形环板在两种边界条件下的位移、电势和磁势，应力、电位移和磁感应强度的三维精确解。

Besides displacements, electric potential and magnetic potential and some of the stress components are chosen as basic unknowns.

在这种方法中，基本未知量不仅包括机械位移、电势和磁势，还采用了某些应力分量、电位移和磁感应强度。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷