transformer core for cutting and stacking transformer and electrical transformer

摘要

the present invention relates to the transformer core (49); (59), including two stacks (53, 57, 60, 61) each having a first thickness (ep1), each of stacks (53, 57, 60, 61) consisting of one or more flat parts, whose cutting directions are rectilinear and parallel or perpendicular to each other, the stacks (53, 57, 60, 61) facing and including a gap (1), flat parts produced from an austenitic pheny alloy containing ni = de 30 to 80% and 10% alloying elements, and has an accurate {100} 001 cubic texture, the cutting directions of the fixed parts parallel to the rolling direction (dl) or transverse direction (dt), the magnetic loss flat parts, for a maximum induction of 1 t, 20 w / kg at 400 hz, apparent magnetostriction for a maximum induction of 1.2 t being 5 ppm, the field is applied towards the larger side of the sample and this direction is parallel to the rolling direction (dl), the apparent magnetostriction for a maximum induction of 1.2 ts endo 5 ppm, the field is applied towards the larger side of the sample and this direction is parallel to the transverse direction (dt) and located in the lamination plane, and the apparent magnetostriction for a maximum induction of 1.2 t being 10 ppm, the field is applied in the length direction and this direction is parallel to the 45 ° intermediate direction of the rolling direction (dl) and transverse direction (dt).