ocean_f
Newbie level 3
transformer core losses
Hi, is there significant dependence of the core losses from field intensity? Two toroidal transformers design versions with B=1.5T, 400Hz, electrical steel, same power, but with different field intensity:
Version 1. Field intensity 815 A/m – core (13 kg, core losses 198 W, pr. winding N=36, pr. losses copper=2W), sum losses 200W.
Version 2. Field intensity 3570 A/m – core (3 kg, core losses 45 W, pr. winding N=100, pr. losses copper=19W), sum losses 64W.
The losses in the core are calculated based on the limited information in this web site: http://www.technotron.cz/AMT_programme23_en.aspx
Are these 15 W/kg the same for the both versions if they are at 1.5T and 400Hz, but designed with different field intensity?
Thanks!
Hi, is there significant dependence of the core losses from field intensity? Two toroidal transformers design versions with B=1.5T, 400Hz, electrical steel, same power, but with different field intensity:
Version 1. Field intensity 815 A/m – core (13 kg, core losses 198 W, pr. winding N=36, pr. losses copper=2W), sum losses 200W.
Version 2. Field intensity 3570 A/m – core (3 kg, core losses 45 W, pr. winding N=100, pr. losses copper=19W), sum losses 64W.
The losses in the core are calculated based on the limited information in this web site: http://www.technotron.cz/AMT_programme23_en.aspx
Are these 15 W/kg the same for the both versions if they are at 1.5T and 400Hz, but designed with different field intensity?
Thanks!