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基于卷積神經(jīng)網(wǎng)絡(luò)的多源局部放電模式識(shí)別

來源:電工電氣發(fā)布時(shí)間:2023-10-28 09:28 瀏覽次數(shù):187

基于卷積神經(jīng)網(wǎng)絡(luò)的多源局部放電模式識(shí)別

余祉宏1,邵振華2,馮旗1
(1 溫州大學(xué) 電氣與電子工程學(xué)院,浙江 溫州 325035;
 2 閩江學(xué)院 計(jì)算機(jī)與控制工程學(xué)院,福建 福州 350108)
 
    摘 要:為驗(yàn)證開關(guān)柜多源局部放電直接分類的可行性,設(shè)計(jì)了四種典型局部放電模型,采集單局部放電源和雙局部放電源信號(hào),并繪制 PRPD 圖譜作為數(shù)據(jù)集,利用卷積神經(jīng)網(wǎng)絡(luò) (CNN) 模型進(jìn)行模式識(shí)別。實(shí)驗(yàn)以經(jīng)典模型的性能作為參考,再對表現(xiàn)較好的模型進(jìn)行優(yōu)化,得到最終模型。實(shí)驗(yàn)結(jié)果表明,優(yōu)化后的模型準(zhǔn)確率均超過98.5%,且訓(xùn)練時(shí)長較經(jīng)典模型明顯減少,適用于多源局部放電模式識(shí)別。
    關(guān)鍵詞: 多源局部放電;PRPD 圖譜;卷積神經(jīng)網(wǎng)絡(luò);模式識(shí)別
    中圖分類號(hào):TM835 ;TM85     文獻(xiàn)標(biāo)識(shí)碼:A     文章編號(hào):1007-3175(2023)10-0024-08
 
Multi-Source Partial Discharge Pattern Recognition Based on
Convolution Neural Network
 
YU Zhi-hong1, SHAO Zhen-hua2, FENG Qi1
(1 College of Electrical and Electronic Engineering, Wenzhou University, Wenzhou 325035, China;
2 College of Computer and Control Engineering, Minjiang University, Fuzhou 350108, China)
 
    Abstract: In order to verify the feasibility of directly classifying multi-source partial discharge in switchgears, four typical partial discharge models are designed. They collect signals of single and double partial discharge sources, draw PRPD map as the data set, and adopt the Convolution Neural Network(CNN) model to recognize patterns. The experiment, taking the performance of classical model as the reference,optimizes models with better performance to screen the final model. According to the experimental results, the optimized model has the accuracy of more than 98.5% with less training time, which is suitable for the pattern recognition of multi-source partial discharge.
    Key words: multi-source partial discharge; PRPD map; convolution neural network; pattern recognition
 
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