Optimization of LCL Resonant Inverter in Inductive Power Transfer Systems Based on High-order Harmonics Analysis

被引:0
作者
Feng, Hao [1 ]
Zhang, Xiaoming [1 ]
Cai, Tao [1 ]
Duan, Shanxu [1 ]
Zhao, Jinbo [1 ]
机构
[1] Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Peoples R China
来源
2015 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2015年
关键词
DESIGN;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
In this paper, a novel design method based on high order harmonics analysis is proposed to help realize an efficient LCL resonant inverter in IPT systems. The newly derived method takes high-order harmonics into consideration to give accurate description for switching transient, which facilitates the implementation of both ZVS and optimal power factor. In the analysis, the optimal switching current is proposed to evaluate the inverter efficiency. A simplified circuit model is used to enable unifying the analysis of each harmonics component. The closed-form expressions of current at switching instant, as well as its relative error are given. According to preceding analysis, the optimal design method is implemented to achieve high efficiency for LCL resonant inverter. Experimental results show good agreement with analysis. The inverter efficiency is no less than 97% within full load range.
引用
收藏
页码:1301 / 1305
页数:5
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