Why use silicon steel sheet as transformer core will reduce eddy current principle
A large conductor moves in a magnetic field or in a changing magnetic field, producing an induced electromotive force that causes eddy currents to cause greater eddy current losses and to reduce eddy current losses,
Often many ferromagnetic conductor thin core (e.g. silicon steel sheet) sheet is folded, these separate forms a ladder shape and surface coated with thin insulating paint or insulating oxide. The narrow cross-sectional slice through magnetic field, eddy current is limited to some small loop flows along each piece in the net, these small loop electromotive force in,
The length of the circuit is large, and because of the high resistivity of the sheet material, the eddy current loss can be evidently reduced. Therefore, the laminated iron core is widely used in alternating current motors and appliances
