感生电动势

一种感生电动势的计算方法

Computing method of induced electromotive force

在电动机里电流是由外电源供给的感生电动势的方向和电枢电流I方向相反。

Years in the motor current is outside the power supply from the induced electromotive force and the direction of armature current I in opposite directions .

这种方法解决了教学中的难点，丰富了感生电动势的计算方法。

This method solves the difficulty of teaching and enriches the calculated methods of electromotive force .

提出了一种有效抑制电极引线回路中附加感生电动势的方法。

We bring forward a new method to reduce the additive electromotive force ( EMF ) in circuit of the electrode leads .

该文分别从定性和定量的角度，分析和讨论动生电动势与感生电动势的相对性问题，并得出一些有意义的结论。

This paper analyses and discusses the relativity of moved inductance and induced inductance from the angle of fixed quantity and quantify , and draws some significant conclusions .

前者是由于导体磁埸在外壳上的感生电动势而产生，与导体负位移成正比；

The former is caused by the induced emf on the enclosure due to the conductor 's field , and is proportional to the negative displacement of the conductor ;

该结论不但适用于闭合回路中的感生电动势的计算，而且也适用于有限长导体上的感生电动势的计算。

The conclusion not only can be applied in the calculation of electromotive force of close loop , but also can be applied in the calculation of electromotive force of limited conductor .

通过采用双绞引线电极和垂直引线技术，使引线回路中的附加感生电动势仅为未绞合前的10%，提高了系统的总体精度。

By using the twisted pair wire , the additive EMF in the circuit of the electrode leads is reduced to 10 % of that of before and the accuracy of the system is improved .

一方面，通过分析无齿槽电机气隙磁场的分布特点，指出该种电机在大有效气隙内的磁场分布很不均匀，绕组的感生电动势与导体位置有关。

On the one hand , it is found that the air-gap magnetic distribution is not homogeneous and the induced electromotive force ( EMF ) is related to the location of conductor in a winding by analyzing the characteristic of distribution of this kind of motor .

传统的自感现象演示实验存在不少问题，改进的实验采用发光二极管作显示，用一个电路可演示通电和断电自感现象、感生电动势的极性及感生电流的方向。

The problem exists in the typical self inductance phenomenon experiment , The improved experiment adopts LED to show , can demonstrate setting up an electric circuit and outage self inductance phenomenon 、 polarity of inducting EMF and direction of the induced current with a piece of circuit .

一方面，通过分析计算无齿槽结构永磁电机内的气隙磁场分布特点，指出电机气隙内磁场分布不均匀，即同一根绕组导体处于不同的位置感生旋转电动势不同。

On the one hand , by analyzing the characteristic of the distribution of slotless permanent magnet motor , the conclusion that the distribution of gap magnetic field is not homogeneous , i.e.the same conductor in a winding generates different electromotive force in different location .