Novel high power ferrite inductor design with improved design accuracy and overall performance

This paper highlights some areas in the traditional inductor design realisation that lead to poor analytical prediction of inductance, saturation and magnetic core utilisation. A novel winding scheme including a dual-coil winding and a ´phantom´ turn has been proposed to remedy the major inaccuracies and to better utilise the magnetic core of the inductor. 3D finite element analysis and a prototype have been used to verify the proposed winding topology