ABSTRACT
This chapter is organized in a “building block” fashion. That is, a relatively simple example is analysed at the outset which illustrates the skin-effect principle for a single layer of turns on a cylindrical winding form, neglecting the influence of coil curvature. It analyses the design of parallel connected multiple layer coils. The chapter summarizes the relationship between “skin-effect” and “proximity effect” as applied to eddy currents in windings, and also describes a useful experimental design method for multiple layer coils made from conductor types which might be geometrically too irregular to design analytically. Skin effect within current carrying conductors (wires, cables, coils, etc.) has been studied since the classical electromagnetic laws were formulated. In many applications, it is desirable to obtain greater concentration of magnetic flux per unit length by building up many layers of turns in series. The chapter re-examines the distribution of magnetic field and current within a coil which contains several layers using classical methods.
