MOOPEC An Energy-Efficient Transformer (Part 2) Material Consumption Analysis of Three-Dimensional Wound Cores 1) Material Consumption Analysis Under Identical Conditions Five core structures were selected for horizontal comparison: Laminated cor... coil turn number core cross-sectional area core material weight calculation core perimeter and copper usage core structure transformatio core window height and width electromagnetic wire size no-load loss stacked core three-dimensional wound core transformer Juni 25, 2025