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Energies 2012, 5(10), 4027-4039; doi:10.3390/en5104027
Article

Magnetic Decoupling Design and Experimental Validation of a Radial-Radial Flux Compound-Structure Permanent-Magnet Synchronous Machine for HEVs

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Received: 27 August 2012; in revised form: 15 September 2012 / Accepted: 16 September 2012 / Published: 19 October 2012
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Abstract: The radial-radial flux compound-structure permanent-magnet synchronous machine (CS-PMSM), integrated by two concentrically arranged permanent-magnet electric machines, is an electromagnetic power-splitting device for hybrid electric vehicles (HEVs). As the two electric machines share a rotor as structural and magnetic common part, their magnetic paths are coupled, leading to possible mutual magnetic-field interference and complex control. In this paper, a design method to ensure magnetic decoupling with minimum yoke thickness of the common rotor is investigated. A prototype machine is designed based on the proposed method, and the feasibility of magnetic decoupling and independent control is validated by experimental tests of mutual influence. The CS-PMSM is tested by a designed driving cycle, and functions to act as starter motor, generator and to help the internal combustion engine (ICE) operate at optimum efficiency are validated.
Keywords: compound-structure permanent-magnetic synchronous machine (CS-PMSM); function validation; hybrid electric vehicle; independent control; magnetic decoupling; radial-radial flux compound-structure permanent-magnetic synchronous machine (CS-PMSM); function validation; hybrid electric vehicle; independent control; magnetic decoupling; radial-radial flux
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Zheng, P.; Tong, C.; Bai, J.; Sui, Y.; Song, Z.; Wu, F. Magnetic Decoupling Design and Experimental Validation of a Radial-Radial Flux Compound-Structure Permanent-Magnet Synchronous Machine for HEVs. Energies 2012, 5, 4027-4039.

AMA Style

Zheng P, Tong C, Bai J, Sui Y, Song Z, Wu F. Magnetic Decoupling Design and Experimental Validation of a Radial-Radial Flux Compound-Structure Permanent-Magnet Synchronous Machine for HEVs. Energies. 2012; 5(10):4027-4039.

Chicago/Turabian Style

Zheng, Ping; Tong, Chengde; Bai, Jingang; Sui, Yi; Song, Zhiyi; Wu, Fan. 2012. "Magnetic Decoupling Design and Experimental Validation of a Radial-Radial Flux Compound-Structure Permanent-Magnet Synchronous Machine for HEVs." Energies 5, no. 10: 4027-4039.


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