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基于连续小波变换与改进ResNet的谐振接地系统故障选线新方法

ZHANG Yuhui,KONG Xiangxu, MA Xin, SHAO Bicheng, WANG Fujian,YANG Annan

Jilin Electric Power(2022)

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Abstract
为解决谐振接地系统选线可靠性不高的问题,提出一种连续小波变换与改进残差神经网络(ResNet)相结合的谐振接地系统故障选线新方法.对捕获的各馈线零序电流进行连续小波变换得到二维时频图,作为网络输入量,以ResNet18为基本主干网络构建选线网络.仿真实验结果表明,该方法指标评估结果更优,在噪声干扰下,选线精度可达97.84%,具有精度高、收敛速度快、鲁棒性强等优点.
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