Abstract
A novel dual-stator hybrid excitation synchronous motor (DSHESM) is proposed in this paper, which combines the advantages of both permanent-magnet (PM) and synchronous motors. The key is to locate the field control windings on the inner stator, and good field-weakening operation is realized. The novel structure can successfully extend the constant power speed range of the conventional surface PM motor. In this paper, the operation principle is illuminated, and time-stepping finite-element method is used to analyze the transient and steady performance of the novel DSHESM, and the simulation results verify the excellent field regulation capability of the novel structure.
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