Analysis on Affecting Factors of Efficiency of the Contactless Energy Transmission System
Ma Jimei, Yang Qingxin, Chen Haiyan
Province-Ministry Joint Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability Hebei University of Technology Tianjin 300130 China
Abstract：The loosely coupled transformer is used in the contactless energy transmission system. Compared to the conventional transformer, its coupling coefficient is not high, which leads to low energy transmission efficiency. Thus how to improve the efficiency is always the bottleneck problem in the system design and application. The paper analyzes the main influencing factors which include the primary and secondary inverter circuit, the primary and secondary compensation mode, and the contactless transformer itself, and then provides reference value to improve system efficiency.
马纪梅, 杨庆新, 陈海燕. 影响无接触供电系统效率的因素分析[J]. 电工技术学报, 2010, 25(7): 19-23.
Ma Jimei, Yang Qingxin, Chen Haiyan. Analysis on Affecting Factors of Efficiency of the Contactless Energy Transmission System. Transactions of China Electrotechnical Society, 2010, 25(7): 19-23.
[1] Zierhofer C M. A class-E tuned power oscillator for inductive transmission of digital data and power[C]. 6th Mediterranean Proceedings Electrotechnical Conference, 1991, 1: 789-792. [2] Yungtaek Jang, Milan M Jovanovic. A new soft- switched contactless battery charger with robust local controllers[C]. The 25th International Telecommunication Energy Conference, 2003, 2: 473-479. [3] 马娟. 高频输出矩阵变换器在无接触式能量传递中的应用[J]. 电力电子, 2007, 5(3): 29-32. [4] Pedder D A G, Brown A D, Skimer J A. A contactless electrical energy transmission system[J]. IEEE Transactions on Industrial Electronics, 1999, 46(4): 23-30. [5] 韩腾, 卓放, 刘涛, 等. 可分离变压器实现的非接触电能传输系统研究[J]. 电力电子技术, 2004, 38(5): 28-29. [6] 孙跃, 王智慧, 戴欣, 等. 非接触电能传输系统的频率稳定性研究[J]. 电工技术学报, 2005, 20(11): 56-59. [7] Albert Esser. Contactless charging and communication for electric vehicles[J]. IEEE Industry Applications Magazine, 1995, 1: 4-11. [8] Hideki Ayano. Highly efficient contactless electrical energy transmission system[C]. IEEE 28th Annual Industrial Electronics Society, 2002: 1364-1369.
2010, Vol. 25 
