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magnetomotive force相关的网络例句

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The centimeter-gram-second electromagnetic unit of magnetomotive force, equal to!*/4x ampere-turn.

电量的实用单位等于电流强度为一安培时一秒钟内通过导体横截面的电量。

The centimeter-gram-second electromagnetic unit of magnetomotive force, equal to!

吉伯厘米-克-秒磁动势电磁单位,等于!

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。

A unit of magnetomotive force equal to 0.7958 ampere-turns.

测量磁通势的单位等于安培匝数。

The main contents of this subject is the basic theory of the windings, including the calculation of the electric potential and magnetomotive force and polarity of the winding\current and voltage.

本课题内容有绕组的基本理论,概述了交流绕组的电动势、磁动势等的计算以及绕组线圈、电流、电压的极性,这些为讲述绕组分析方法时提供了基础。

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。

A unit of magnetomotive force equal to the magnetomotive force produced by the passage of 1 ampere through 1 complete turn of a coil; equal to 1.257 gilberts.

磁通势单位等于安培的电流通过单位线圈时产生的磁通势;等于吉伯。

So, it is very difficult to monitor and protect the rotating rectifier. 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.

本文通过对旋转整流器在正常与故障状态下的交流励磁机电枢电流和电枢电势作了初步的理论分析,推导出旋转整流器在正常与故障状态下电枢电流、空间谐波合成磁势及其感应电势的数学表达式。

First,it mainly utilizes analytics to deduce formula of slot leakage reactance.It considers three instances,including monolayer-slot,multilayer isometric-slot and multilayer anisometric-slot.Then,the analytics and the FEM are utilized to calculate slot leakage reactance of stator winding of prototype of Powerformer and compare their results.Second,the theory of utilitzing FEM to calculate the reactance of Powerformer is simply introduced,including stable reactance,transient and subtransient reactance.Specially,the saturated influence of the stable reactance is considered.Then, the results are analysed.Final,it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding.

首先是用解析法推导出Powerformer定子绕组槽漏抗的计算公式,考虑了单层圆形半闭口槽、多层等半径圆形半闭口槽和多层不等半径圆形半闭口槽三种情况,并对Powerformer样机的定子绕组槽漏抗用解析法和有限元法进行了计算,并比较其结果;其次,简要介绍了有限元法计算Powerformer电抗参数的原理,包括稳态电抗、瞬态电抗和超瞬态电抗,对稳态电抗考虑饱和影响,对结果进行分析;最后,介绍定子绕组谐波磁势对电机运行性能的影响并对定子绕组谐波磁势进行了分析。

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