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高压电器  2015 

雷电流测量用PCB型Rogowski线圈研究

DOI: 10.13296/j.1001-1609.hva.2015.10.026, PP. 158-162

Keywords: 雷电流,PCB型Rogowski线圈,补偿,二阶RC积分器

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Abstract:

为提高雷电流测量用Rogowski线圈的准确度,文中提出了一种PCB型Rogowski线圈的设计原则。通过合理设计线圈参数与积分方式,解决了测量带宽与输出信号衰减之间的矛盾,并对设计的线圈以及积分器参数进行了仿真。在文中提出的线圈结构和积分方式下,峰值10kA的8/20μs标准雷电流最大测量误差不超过2%。结果表明所设计的PCB型线圈结合带补偿型二阶RC积分器,可以在保证频带的前提下保持较大的信号输出强度,且有较高测量准确度。

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