What Is Lamination In Transformer

Laminations sotek specializes in electrical steel laminations stacked stator core rotor core assembly manufacturing for motors and generators.

What is lamination in transformer.

Get contact details email phone and address of companies manufacturing and supplying lamination of transformer along with details of lamination of transformer importers and buyers. Transformers are basically two coils of wire wrapped around a core of iron. Electrical steel is usually manufactured in cold rolled strips less than 2 mm thick. The core is not designed to have any currents flow through it.

Lamination of transformer get suppliers exporters manufacturers and buyers of lamination of transformer in india and overseas. Laminations are provided to reduce eddy currents. The noise or sound in the transformer is known as humming. Go back to transformer operating limitations 4.

Eddy currents are loops of electric current induced within conductors by a changing magnetic field in the conductor due to faraday s law of induction. In this article we will discuss the cause of humming noise in transformer reduce procedure etc. Transformer core laminations the core is not generally made of the solid transformer core material that is solid crgo silicon steel. Instead in a number of properly sized shaped and laminated sheets of crgo silicon steel are assembled together to form the transformer core.

What is a lamination. As it is easier for magnetic flux to flow through iron than air or oil stray flux that can cause core losses is minimized. The laminations provide small gaps between the plates. It is however a conducting loop that experiences a changing magnetic field it will therefore have small currents induced in it these are called eddy currents.

Wikipedia defines eddy currents as. Small hysteresis area resulting in low power loss per cycle low core loss and high permeability. The main reason for humming in transformer is magnetostriction which depends upon the stray magnetic field. Why is the core laminated.

Figure 3 transformer core laminations. The reason we laminate the iron cores in transformers is because we want to limit what are called eddy currents.