基于Wave⁃ViT的改进多通道深度残差网络的电能质量扰动分类

刘大鹏, 罗嘉宾, 刘勇, 穆勇, 董彪, 张淑清

计量学报 ›› 2025, Vol. 46 ›› Issue (5) : 629-637.

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PDF(1999 KB)
计量学报 ›› 2025, Vol. 46 ›› Issue (5) : 629-637. DOI: 10.3969/j.issn.1000-1158.2025.05.02
无线电计量

基于Wave⁃ViT的改进多通道深度残差网络的电能质量扰动分类

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Power Quality Disturbance Classification Based on Wave⁃ViT Improved Multi⁃channel Depth Residual Network

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摘要

提出一种基于小波变换视觉自注意力(Wave-ViT)模型的改进多通道深度残差网络的电能质量扰动分类方法。首先将一维时间序列电能质量扰动(PQDs)信号作为通道一的输入;再将一维PQDs信号通过格拉姆角场(GAF)映射成为二维图像作为通道二的输入;利用Wave-ViT模块深层挖掘二维GAF图像信息,并作为通道三的输入。接着分别对3个通道进行深层次的特征提取,构造适用于PQDs分类的多通道网络框架。通过消融实验,证实多通道对网络收敛速度和分类精度有互补作用。进一步的噪声实验和对比试验表明该方法特征提取能力强,所需迭代次数少,且抗噪性能好,对16种扰动在随机噪声和无噪声环境下的识别率分别能达到99.81%和99.19%,为电能质量扰动识别提供了一种新的思路。

Abstract

A power quality disturbance classification method based on Wave-ViT improved multi-channel depth residual network is proposed. Firstly, the one-dimensional time series power quality disturbances (PQDS) signal is used as the input of channel one. Then, the one-dimensional PQDS signal is mapped into a two-dimensional image through the Gramian angular field (GAF) as the input of channel two, and the two-dimensional GAF image information is deeply mined by using the wave vision transformer (Wave-ViT) module as the input of channel three, and then the deep feature extraction of the three channels is carried out respectively, and a multi-channel network framework suitable for PQDS classification is constructed. Through ablation experiments, it is confirmed that multi-channel has complementary effect on the convergence speed and classification accuracy of the network. Further noise experiments and comparative experiments show that this method has strong feature extraction ability, less iterations, and good anti noise performance. The recognition rates of 16 kinds of disturbances in random noise and no noise environment can reach 99.81% and 99.19% respectively, which provides a new idea for power quality disturbance recognition.

关键词

电磁计量 / 电能质量扰动 / Wave-ViT / 深度残差网络 / 消融实验 / 噪声实验 / 扰动识别

Key words

electromagnetic metrology / power quality disturbance / Wave-ViT / depth residual network / ablation experiment / noise experiment / disturbance identification

引用本文

导出引用
刘大鹏, 罗嘉宾, 刘勇, . 基于Wave⁃ViT的改进多通道深度残差网络的电能质量扰动分类[J]. 计量学报. 2025, 46(5): 629-637 https://doi.org/10.3969/j.issn.1000-1158.2025.05.02
LIU Dapeng, LUO Jiabin, LIU Yong, et al. Power Quality Disturbance Classification Based on Wave⁃ViT Improved Multi⁃channel Depth Residual Network[J]. Acta Metrologica Sinica. 2025, 46(5): 629-637 https://doi.org/10.3969/j.issn.1000-1158.2025.05.02
中图分类号: TB971   

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基金

国家自然科学基金(52275067)
河北省自然科学基金重点项目(F2020203058)
国网冀北电力有限公司唐山供电公司项目(B30103230016)

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