A Load Identification Method for ICPT System Utilizing Harmonics

Chen-Yang Xia; Wen-Ting Zhu; Nian Ma; Ren-Hai Jia; Qiang Yu

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자료유형: 학술저널

저자정보: Chen-Yang Xia (China University of Mining and Technology) Wen-Ting Zhu (China University of Mining and Technology) Nian Ma (China University of Mining and Technology) Ren-Hai Jia (China University of Mining and Technology) Qiang Yu (China University of Mining and Technology)

저널정보: 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.13 No.6

발행연도: 2018.11

수록면: 2,178 - 2,186 (9page)

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Online identification of load parameters is the premise of establishing a stable and highlyefficient ICPT (Inductive Coupled Power Transfer) system. However, compared with pure resistive load, precise identification of composite load, such as resistor-inductance load and resistancecapacitance load, is more difficult. This paper proposes a method for detecting the composite load parameters of ICPT system utilizing harmonics. In this system, the fundamental and harmonic wave channel are connected to the high frequency inverter jointly. The load parameter values can be obtained by setting the load equation based on the induced voltage of secondary-side network, the fundamental wave current, as well as the third harmonic current effective value received by the secondary-side current via Fourier decomposition. This method can achieve precise identification of all kinds of load types without interfering the normal energy transmission and it can not only increase the output power, but also obtain higher efficiency compared with the fundamental wave channel alone. The experimental results with the full-bridge LCCL-S type voltage-fed ICPT system have shown that this method is accurate and reliable.

#Composite load #Double channel #Fourier decomposition #Harmonics #Identification #Inductive coupled power transfer

Abstract
1. Introduction
2. Principle Analysis of Load Identification of ICPT Utilizing Harmonics
3. Analysis of ICPT System Topology Selection
4. Analysis of the System Power and Efficiency Characteristics
5. Design of Magnetic Circuit Structure
6. Experimental Verification
7. Conclusion
References

참고문헌 (19)

참고문헌 신청

H. H. Wu, G. A. Covic, J. T. Boys and D. J. Robertson, “A Series-Tuned Inductive-Power-Transfer Pickup with a Controllable AC-Voltage Output,” IEEE Transactions on Power Electronics, vol. 26, no. 1, pp. 98-109, Jan. 2011. H. Matsumoto, Y. Neba, K. Ishizaka and R. Itoh, “Comparison of Characteristics on Planar Contactless Power Transfer Systems,” IEEE Transactions on Power Electronics, vol. 27, no. 6, pp. 2980-2993, June 2012. M.J. Neath, U.K. Madawala and D.J. Thrimawithana, “A new controller for bi-directional inductive power transfer systems,” IEEE International Symposium on Industrial Electronics, Gdansk, pp. 1951-1956, 2011 Y. Liu, R. Mai, P. Yue and Z. He, “A dynamic tuning method utilizing inductor paralleled with load for inductive power transfer,” IEEE Applied Power Electronics Conference and Exposition (APEC), San Antonio, pp. 1076-1079, 2018. C. S. Tang, Y. Sun, Y. G. Su, S. K. Nguang and A. P. Hu, “Determining Multiple Steady-State ZCS Operating Points of a Switch-Mode Contactless Power Transfer System,” IEEE Transactions on Power Electronics, vol. 24, no. 2, pp. 416-425, Feb. 2009.

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