1) time rate of induced EMF
感应电动势的时间变率
1.
In this paper, jerk function for a transient process of RL circuit is introduced, together with the comcepts of time rate of induced EMF, time rate of displacement current, and Appell function.
对RL电路的一种暂态过程引入了急动度函数,还引入了感应电动势的时间变率、位移电流的时间变率和Appell函数等概念,讨论了LC振荡电路和简谐振动中的Appell函数守恒问题。
2) induced electromotive force
感应电动势
1.
Measuring AC magnetic permeability by induced electromotive force;
利用感应电动势测量交流磁导率
2.
This article discusses the transformatoin of induced electromotive force under the condition of relativistic transformatoin, the motion-produced electromotive force do not transfer into induction-produced eletromotive force according to difference of choices of reference system.
讨论感应电动势在相对论变换下,随着参照系选择的不同,动生电动势并不变换为等值的感生电动势,仅当参照系间的相对速度比光速小得多时才例外。
3) induction electromotive force
感应电动势
1.
Using the slider to drive a metal bar to cut perpendicularly the uniform magnetic field in the center of a Helmholtz coil,induction electromotive force could be produced.
利用滑块带动金属杆切割亥姆霍兹线圈中心区域匀强磁场的磁感应线,可以产生感应电动势。
2.
The first discussion is that induced electromotive force plus moving induced electromotive force equaling induction electromotive force in experimental result ; The second discussion is that moving induced electromotive force is divided into three types, according to the generating cause of moving induced electromotive force.
围绕电磁感应定律讨论两个问题,第一论证了感应电动势等于感生电动势与动生电动 势之和是实验结论;第二阐述了依据动生电动势产生的原因,将动生电动势分为三种类型;并且通 过实例进行了相关的讨论。
4) induced EMF
感应电动势
1.
On the Induced EMF in Moving System;
关于运动系统中的回路感应电动势
2.
Induced EMF and Motional EMF are two parts of induced EMF produced in the recireulating loop of conductor.
变化的电场和磁场是相互联系不可分割的,它们组成一个统一的电磁场;感生电动势和动生电动势是电场在导体回路内所产生的感应电动势的两个组成部分。
3.
The voltage drop thus obtained is to be divided by the number of turns of the secondary coil in order to find out the induced emf per turn.
此值除以二次线圈的匝数则得单匝应有的感应电动势。
5) induction EMF
感应电动势
1.
For exploring the electromagnetic method of measuring the in-service stress of steel beams,an experiment of the relation between induction EMF E and tensile or compressive stress σ from bending was conducted for Q235B hot rolling H-section steel beam.
在钢梁跨中施加集中力的同时,测量1/2和1/3跨径位置感应电动势E和应变ε。
6) inductive electromotive force
感应电动势
1.
New method to determine the direction of inductive electromotive force by faraday inductive law;
用法拉第定律判定感应电动势方向的简捷方法
2.
Combining representative physical problem , a brief summarization using compensation method to calculate universal gravitation,valtage,inductive electromotive force and pressure was given.
结合具体题例,简要总结了使用补偿法求解万有引力,电势差,感应电动势和压强等基本物理量的问题,在物理教学中使用这一方法有助于培养学生的空间逻辑思维能力。
3.
The differences among magnetic flux, the variation of magnetic flux and the variation rate of magnetic flux were discussed, then the relation between inductive electromotive force and the variation rate of magnetic flux was analysed.
讨论了磁通量、磁通量变化、磁通量变化率等物理概念的区别 ,分析了感应电动势与磁通量变化率的关系 。
补充资料:感应电动势
感应电动势
induced electromotive force;induced voltage
gonyingd一ondongsh-感应电动势(indueed eleetromotive forindueed voltage)穿过导电回路所围绕的顶内的磁通童发生变化时,在该回路中产生的电动势当导线切割磁力线时,在导线两端产生的电动势。 透平发电机转子励磁绕组中通过励磁电流后,产生接近正弦分布的阶梯形磁动势。该阶梯形磁2包含一系列奇数次谐波,其中以一次谐波(即基波主,幅值最大,在一对极距内交变一次。在原动机裙转子旋转时,穿过定子三相电枢绕组的磁通量将卜自积或即势为动时间而交变,在电枢绕组中产生三相对称的交变电动称为励磁感应电动势,其每相有效值为 E一丫万兀厂切盛甲v式中f为电动势的频率,H:;w为每相绕组的申用数;k为绕组系数;甲为穿过气隙的每极励磁磁通萝的基波分量,Wb。 发电机接上负载后,在励磁感应电动势作用下电机向负载输送电流,电枢中的交变电流将产生佳漏磁通及通过气隙的电枢反应磁通,它们也会在雌绕组中产生感应电动势。当发电机接在电网上和妻发电机并联运行时,励磁感应电动势的大小将影叮发电机发出的无功功率的大小及电网受电端的佳值,也会影响发电机静态稳定的功率极限。 此外,在暂态过程中,由于定、转子各绕组所目的磁通发生各种不同的变化,同样会在各绕组中开各种感应电动势。这些感应电动势会影响发电机合磁暂态性能(见透平发电机电杭)。匝中发枢枢他到压链成电
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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