What is pole-shoe?

Answer 1

The field magnet consist pole shoes. The pole shoes spread out the flux in the air gap and supports the exciting coil.

Answer 2

A pole shoe is a component in an electrical machine, often found in motors or generators, that forms part of the magnetic circuit to direct and shape the magnetic field. It helps concentrate and guide the magnetic flux produced by the machine's rotor or stator, enhancing its efficiency and performance.