I. Introduction
The switched reluctance (SR) generator has various desirable features which include simple and solid structure, easiness of maintenance, small moment of rotor inertia, and low cost because the SR generator has no rotor windings and no permanent magnet. The solid structure is useful for an ultrahigh speed generator such as a microgas turbine generator [1] [2] [3]. The simple structure and small moment of inertia suit a low speed multipolar generator for use in wind turbine generators.