Improved Pulse Density Modulation for Semi-bridgeless Active Rectifier in Inductive Power Transfer System

被引:37
|
作者
Fan, Manyi [1 ,2 ]
Shi, Liming [1 ,2 ]
Yin, Zhenggang [1 ,2 ]
Jiang, Longbin [1 ,2 ]
Zhang, Facong [1 ,2 ]
机构
[1] Chinese Acad Sci, Inst Elect Engn, Key Lab Power Elect & Elect Drive, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
基金
北京市自然科学基金; 国家重点研发计划;
关键词
Improved pulse density modulation (IPDM); Inductive power transfer (IPT); interleaved IPDM; multiple paralleled pickups; semi-bridgeless active rectifier (SBAR); EFFICIENCY; TRACKING; DESIGN;
D O I
10.1109/TPEL.2018.2867902
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper proposes an improved pulse density modulation (IPDM) power control method for semi-bridgeless active rectifier (SBAR) in inductive power transfer (IPT) system. In this method, the input voltage pulse sequences of the SBAR can be distributed more evenly compared with the traditional PDM, so the output voltage ripple can be reduced effectively. Besides, for multiple paralleled pickups, the interleaved IPDM is developed to further suppress the output voltage ripple. In addition, the characteristics of zero-voltage switching and zero current-switching for the SBAR's switches can also be achieved in the proposed IPDM method by synchronization control for the gate signals of the SBARs. The experimental results on a 30 kW IPT prototype with four paralleled pickups verified the proposed method.
引用
收藏
页码:5893 / 5902
页数:10
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