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논문 기본 정보

자료유형
학술저널
저자정보
Geun-Ho Lee (Kookmin University) Heon-Hyeong Lee (Kookmin University) Qi Wang (Kookmin University)
저널정보
한국자기학회 Journal of Magnetics Journal of Magnetics Vol.18 No.4
발행연도
2013.12
수록면
487 - 493 (7page)

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초록· 키워드

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The automotive industry is showing widespread interest in belt-driven electric motor.assisted (e-Assist) systems. A belt-driven assist system (BAS) starts and assists the combustion engine in place of the conventional generator. In this study, a water-cooled wound rotor synchronous motor (WRSM) for the e-Assist system was designed and analyzed. The performance of the WRSM was compared with that of an interior permanent magnet synchronous motor (IPMSM). The WRSM efficiency can be improved for the BAS by adjusting the field flux at high speeds. The field current map to obtain the maximum efficiency based on the speed and torque was developed. To control the field flux via field current control in the WRSM, a general H-bridge circuit was added to the WRSM inverter to get the rapid current response in the high-speed region; the characteristics were compared with the chopper circuit. A WRSM developed for the belt-driven e-Assist system and a prototype 115 V power electronic converter to drive the WRSM were tested with a 900 cc combustion engine. The test results showed that the WRSM-type e-Assist system had good characteristics and could successfully start and assist the 900 cc combustion engine.

목차

1. Introduction
2. Design of Wound Rotor Synchronous Motor for Belt-driven e-Assist System
3. WRSM Prototype and Experimental Results
4. Conclusions
References

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