Rotational power losses under controlled flux density or magnetic field in electrical steel sheets

In this paper the rotational power losses under controlled high magnetic field intensity (up to 20 kA/m) are presented for the first time. Three types of electrical steel sheets are used namely; fully processed non-oriented 0.50 mm thick, low Si content (FPNO), conventional grain-oriented 0.27 mm thick, 3 % Si (CGO) and high-permeability grain-oriented 0.27 mm thick, 3 % Si (HPGO).