Selection Of Unit Loss Of Cold-Pressed Silicon Steel Plate For Transformer

There are two concepts of unit loss of cold pressed silicon steel plate in dry-type transformer: standard value and guaranteed value. How do we choose this? 1. Generally, it is to ensure the unit loss value under 1.7T at 50Hz or 60Hz. 2, in the design, to ensure that the unit loss as a calculated value. 3, laser treatment and plasma treatment dry transformer silicon steel plate is based on the single test results. 4. The traditional dry type transformer grain orientation cold rolled silicon steel plate and high permeability magnetic cold rolled silicon steel plate are based on the results obtained by the box test after 25cm wide annealing.