Study on a current superimposition variable flux reluctance machine with distributed winding

A current superimposition variable flux reluctance machine that can control its torque constant has been proposed. This machine requires only a single set of windings that can perform both armature and field winding functions simultaneously. Therefore, it is easy to apply a distributed winding and sprit core to our proposed machine. In this paper, a current superimposition variable flux machine using distributed windings is proposed and compared with that using concentrated winding. First, the structure and operational principle of the proposed machine are described. Next, the static characteristics are computed using 2D finite element analysis. Finally, the N-T characteristics are computed under vector control and the effectiveness of the proposed machine is discussed.