High Quality Iron Core Mainly Used For Main Transformer And Distribution Transformer

  Eddy current losses also heat up the core. In order to reduce the eddy current loss, the iron core of the transformer is stacked with silicon steel sheets insulated from each other, so that the eddy current passes through a smaller cross-section in the narrow circuit to increase the resistance on the eddy current path; at the same time, the silicon in the silicon steel increases the resistivity of the material and also plays a role in reducing the eddy current.

   The actual transformer always operates in the AC state, and the power loss is generated not only in the resistance of the coil, but also in the core under the magnetization of the alternating current. The power loss in the iron core is usually called "iron loss", and the iron loss is caused by two reasons, one is "hysteresis loss" and the other is "eddy current loss".

    Hysteresis loss is the iron loss caused by the presence of hysteresis in the process of magnetization of the iron core, and the magnitude of this loss is proportional to the area surrounded by the hysteresis loop of the material. The hysteresis loop of silicon steel is narrow, and the hysteresis loss of the core of the transformer is small, which can greatly reduce the degree of heating.