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Performance analysis and comparison of three IPMSM with high homopolar inductance for electric vehicle applications

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4 Author(s)
Dogan, H. ; Grenoble Electr. Eng. Lab., Grenoble INP-UJF, St. Martin d'Hères, France ; Wurtz, F. ; Foggia, A. ; Garbuio, L.

This paper presents a comparison of different permanent magnets synchronous motors (PMSM) having a high homopolar or zero-sequence inductance. The high value of zero-sequence inductance is particularly a necessity for certain applications in which the winding coupling is not in Wye connection. Thereby, the homopolar currents which are sources of losses are reduced and minimized. In this study, we investigate three topologies of PMSM according to the specifications of an electric vehicle (EV) with severe constraints and a maximum rotation speed of 12, 000 rpm. Those fractional-slots machines are the 3-phase 12 slots / 8 rotor poles (12/8), the 12/10 and the 18/10. Then, the goal is to compare and evaluate the topologies firstly with a fast and coarse approach and then with finite element analysis (FEA) to finally determine which is the most suitable for the application.

Published in:

Power Electronics and Applications (EPE 2011), Proceedings of the 2011-14th European Conference on

Date of Conference:

Aug. 30 2011-Sept. 1 2011