Abstract
Solid rotor induction motor (SRIM) is widely used in many fields due to its sturdy construction, low maintenance costs, and soft mechanical characteristic. A novel SRIM with toroidal winding (N-TWSRIM) is proposed and its equivalent circuit model (ECM) is established herein. The structure of N-TWSRIM is introduced and its operating principle is analyzed according to the movement of armature magnetic field at different times. The main structural parameters of N-TWSRIM are given, an equivalent circuit model is established to analyze performance of motor, and the results of ECM and two-dimension finite element model (FEM) are compared. Finally, to validate the correctness of operating principle and equivalent circuit model, a prototype of N-TWS-RIM has been built and experimented. It shows that the experimental results are consistent with the finite element and analytical results.
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