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

Ping Zheng* email, Chengde Tongemail, Jingang Baiemail, Yi Suiemail, Zhiyi Songemail and Fan Wuemail
Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150080, China
* Author to whom correspondence should be addressed.
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

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Cite This Article

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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