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ZHU Wang,ZHOU Zhi,WANG Mingjin,WANG Long,YU Dongsheng.Design of Constant-current Compensation Network for ICPT Based on Immittance Converter[J].JOURNAL OF POWER SUPPLY,2018,16(5):104-111
Design of Constant-current Compensation Network for ICPT Based on Immittance Converter
Received:September 13, 2016  Revised:January 20, 2018
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DOI:10.13234/j.issn.2095-2805.2018.5.104
Keywords:inductive coupled power transfer (ICPT)  immittance converter  constant current  compensation network  parameter configuration  optimum design
Fund Project:National Science Foundation of China (51307174);Fundamental Research Funds for Central Universities(2015XKMS028)
              
AuthorInstitutionEmail
ZHU Wang School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou , China zhuwang2016@163.com
ZHOU Zhi School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou , China
WANG Mingjin School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou , China
WANG Long School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou , China
YU Dongsheng School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou , China
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Abstract:
      To maintain the stability of output current from an inductive coupled power transfer(ICPT) system under switching load, a novel compensation network is proposed on the secondary side to realize constant output current under constant voltage input. The loosely coupled transformer and compensating elements are regarded as an immittance converter, thus this compensation network can not only realize the output current which is independent of loads, but also ensure the system to be in a complete resonance state. First, according to the mutual inductance model, an impedance model is established using the two-port theory, and the relationship between output current and input voltage is deduced. Then, a parameter configuration method for the whole system is given to realize constant output current as well as unit power factor input, and the influence of main parameters on the system performance is also analyzed. Furthermore, the system parameters are optimized for minimizing size and lowering cost. Finally, the validity of the theoretical analysis was verified by simulation and experimental results.
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