基于特征比较的无线充电系统的故障识别方法
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广东省教育厅重大科研资助项目(2017KQNCX241)


Fault Identification Method for Wireless Charging System Based on Feature Comparison
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Educational Commission of Guangdong Province, China

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    摘要:

    无线充电系统在运行过程中可能会遇到母线接地、开路和元器件损坏等各种故障情况。分析了故障情况下原边母线电流电压、副边母线电流电压与故障原因的特征关系,搭建了3 kW无线充电系统仿真电路,建立了各种故障的比较规则,提出了将该故障特征用于无线充电系统的在线故障识别方法。分析表明,利用该方法可以有效判断系统故障位置,增强系统保护。

    Abstract:

    In the operation of a wireless charging system, it may encounter various fault conditions such as bus grounding, open circuit, and component damage. In this paper, the relation between the current-voltage on the primary- and secondary-side buses and the cause of fault is analyzed under the fault condition, and a simulation circuit of a 3 kW wireless charging system is built. The comparison rules for various faults are established, and an on-line fault identification method is proposed, in which the fault features are applied for the wireless charging system. The analysis result shows that this method can effectively judge the fault location and enhance the system protection.

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引用本文

钱强,闫丽华,董芮雯,黄海宇.基于特征比较的无线充电系统的故障识别方法[J].电源学报,2021,19(1):182-191

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  • 收稿日期:2018-09-20
  • 最后修改日期:2020-09-04
  • 录用日期:2018-10-27
  • 在线发布日期: 2021-01-21