Abstract

This paper describes mathematical modeling of a novel wound-field synchronous motor self-excited by space harmonics. The torque equation on the dq-reference frame is investigated to clarify the self-excitation mechanism of the proposed motor. It has been analytically explicated how the motor parameters give influences on the self-excited electromagnet torque. Furthermore, the current phase vs. torque characteristics are compared between the FEM based simulation result and the mathematical calculation result. Both of the results showed good agreement, which proves feasibility of the mathematical modeling discussed in the paper.

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