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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.5
- 수록면
- 625 - 636 (12page)
이용수
초록· 키워드
오류제보하기
This paper proposes an active leakage magnetic field (LMF) suppression scheme, which uses the dual-transmitter (DT) topology, for EV wireless charging systems (EVWCS). The two transmitter coils are coplanar, concentric and driven by separate inverters. The LMF components generated by the three coils cancel each other out to reduce the total field strength. This paper gives a detailed theoretical analysis on the operating principles of the proposed scheme. Finite element analysis is used to simulate the LMF distribution patterns. Experimental results show that when there is no coil misalignment, 97% of the LMF strength can be suppressed in a 1kW prototype. These results also show that the impact on efficiency is small. The trade-off between LMF suppression and efficiency is revealed, and a control strategy to balance these two objectives is presented.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. OPERATING PRINCIPLE OF THE DT-EVWCS
Ⅲ. LMF SUPPRESSION PRINCIPLE
Ⅳ. MEASUREMENT RESULTS
Ⅴ. CONCLUSION
REFERENCES
참고문헌 (19)
참고문헌 신청
E. Litvak, K. R. Foster, and M. H. Repacholi, “Health and safety implications of exposure to electromagnetic fields in the frequency range 300 Hz to 10 MHz,” Bioelectromagnetics, Vol. 23, No. 1, pp. 68-82, 2002.
S. Y. Choi, B. W. Gu, S. W. Lee, W. Y. Lee, J. Huh, and C. T. Rim, “Generalized active EMF cancel methods for wireless electric vehicles,” IEEE Trans. Power Electron., Vol. 29, No. 11, pp. 5770-5783, Nov. 2014.
S. Y. Ahn, H. H. Park, and J. H. Kim, “Reduction of electromagnetic field (EMF) of wireless power transfer system using quadruple coil for laptop applications,” in Proc. IEEE Microwave Workshop Ser. Innov. Wireless Power Transm., pp. 65-68, 2012.
M. Budhia, J. T. Boys, G. A. Covic, and C. Y. Huang, “Development of a single-sided flux magnetic coupler for electric vehicle IPT charging systems,” IEEE Trans. Ind. Electron., Vol. 60, No. 1, pp. 318-328, Jan. 2013.
C. W. Chiang, “Wireless charging system with magnetic field shaping for electric vehicles,” in Proc. World Electric Vehicle Symp. Exhibition, pp. 1-5, 2013.
S. Y. Choi, B. W. Gu, S. W. Lee, W. Y. Lee, J. Huh, and C. T. Rim, “Generalized active EMF cancel methods for wireless electric vehicles,” IEEE Trans. Power Electron., Vol. 29, No. 11, pp. 5770-5783, Nov. 2014.
S. Y. Ahn, H. H. Park, and J. H. Kim, “Reduction of electromagnetic field (EMF) of wireless power transfer system using quadruple coil for laptop applications,” in Proc. IEEE Microwave Workshop Ser. Innov. Wireless Power Transm., pp. 65-68, 2012.
M. Budhia, J. T. Boys, G. A. Covic, and C. Y. Huang, “Development of a single-sided flux magnetic coupler for electric vehicle IPT charging systems,” IEEE Trans. Ind. Electron., Vol. 60, No. 1, pp. 318-328, Jan. 2013.
C. W. Chiang, “Wireless charging system with magnetic field shaping for electric vehicles,” in Proc. World Electric Vehicle Symp. Exhibition, pp. 1-5, 2013.
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