What is the lamination factor of the ei transformer lamination?

- Oct 10, 2018-

For the ei transformer lamination, the user needs to pay attention to its lamination coefficient, that is, the ratio of the theoretical volume of a certain amount of silicon steel lamination to the actual volume measured under a certain pressure, expressed as a percentage, lamination The coefficient is a measure of the actual tightness of the core.
The high lamination coefficient of the ei transformer lamination means that the amount of silicon steel sheet increases when the core volume is constant and more magnetic flux density passes, the effective use space increases, the air gap decreases, and the excitation current decreases. For micro and small motors, reducing the air gap by 10 to 15% reduces the excitation current by 40 to 60%, which is more important than improving the magnetic properties of the silicon steel sheet itself.
In fact, there are many factors that affect the lamination factor of ei transformer laminations, such as the smoothness and flatness of the steel sheet surface; the thickness tolerance and the lateral thickness difference; the thickness and uniformity of the surface coating; the thickness of the selected steel sheet; the core of the assembly The degree of compaction, etc., in order to meet the requirements, we must reasonably control the selection of various elements of the ei transformer lamination.