the present invention provides an improved magnetic winding and method of calculating desired winding parameters for a winding in a magnetic component . the invention may be applied to general boundary conditions in a magnetic winding or component and considers relative phase displacement for sinusoidal and nonsinusoidal winding currents . ratios of magnetic surface field intensities at corresponding inner and outer boundaries of one or more winding layer are calculated , and considered with relative phase displacement to select magnetic winding configurations having desired or optimal power dissipation . in certain aspects , a normalized loss function f is utilized to determine a preferred construction among a plurality of iteratively generated selections .