期刊
IEEE TRANSACTIONS ON POWER ELECTRONICS
卷 36, 期 5, 页码 5095-5107出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2020.3032676
关键词
Impedance; Topology; Inductance; Power supplies; Inverters; Resonant frequency; Transient analysis; Power transfer capability strengthening method; reverse energy injection; synchronization; wireless power transfer
资金
- research funds for the National Natural Science Foundation of China [51777022]
- China National Center for International Research onWireless Power Transfer Technologies
This article proposes a method to enhance the power transfer capability of track WPT systems by reverse energy injection from online pickups to transiently over-rated pickups. A bioperation mode and a bidirectional pickup topology are designed for this purpose, and a synchronization method and a criterion for reverse energy injection boundary are presented. The proposed method is verified through experimental results.
Track wireless power transfer (WPT) systems are increasingly used for monorail robots, industrial transportation, etc. Conventionally, the track WPT system's primary power supply is designed to be equal or higher than the total running pickups' rated power. However, in practice, some of the pickups may transiently require more power than their normal operating state. It is not cost effective to increase the power rating of the primary source for the transient case. Hence, this article proposes a method to strengthen the track's power transfer capability by reversely injecting energy from available online pickups to the transiently over-rated one. A bioperation mode is proposed, which includes both the normal operation and the strengthening operation. A bidirectional pickup topology is used, and the equivalent circuit is analyzed accounting the bioperation mode. In addition, a synchronization method of the primary and reverse injection pickups is proposed. A criterion to determine the boundary of the reverse energy injection is also presented. By detecting the peak current, this energy injection method can be practically implemented and the proposed method is verified through the experimental results.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据