Article(id=1194957529772962388, tenantId=1146029695717560320, journalId=1189987059142926344, issueId=1194957528560812573, articleNumber=null, orderNo=null, doi=10.19457/j.1001-2095.dqcd25533, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1701360000000, receivedDateStr=2023-12-01, revisedDate=1703692800000, revisedDateStr=2023-12-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1762829676334, onlineDateStr=2025-11-11, pubDate=1729353600000, pubDateStr=2024-10-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1762829676334, onlineIssueDateStr=2025-11-11, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1762829676334, creator=13701087609, updateTime=1762829676334, updator=13701087609, issue=Issue{id=1194957528560812573, tenantId=1146029695717560320, journalId=1189987059142926344, year='2024', volume='54', issue='10', pageStart='3', pageEnd='96', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1762829676042, creator=13701087609, updateTime=1762830003292, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1194958901230678090, tenantId=1146029695717560320, journalId=1189987059142926344, issueId=1194957528560812573, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1194958901230678091, tenantId=1146029695717560320, journalId=1189987059142926344, issueId=1194957528560812573, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=83, endPage=89, ext={EN=ArticleExt(id=1194957530041397847, articleId=1194957529772962388, tenantId=1146029695717560320, journalId=1189987059142926344, language=EN, title=Fault Diagnosis Method for Switchgear Based on SMOTE-SSA-CNN, columnId=null, journalTitle=Electric Drive, columnName=null, runingTitle=null, highlight=null, articleAbstract=
The multi-source monitoring data of switchgear contains rich equipment operating status information,and analyzing it can achieve switchgear fault diagnosis. A fault diagnosis method for switchgear based on SMOTE-SSA-CNN was proposed. Firstly,based on monitoring data such as switchgear voltage,current,and temperature and humidity,the synthetic minority over-sampling technique(SMOTE) algorithm was used to expand the original dataset,solving the problem of severe imbalance between positive and negative samples in the original dataset. Then,the sparrow search algorithm(SSA) was introduced to optimize the hyperparameters of convolutional neural networks(CNN),such as the size and number of convolutional kernels,the number of fully connected layer neurons,and the learning rate,in order to improve the accuracy of the model's fault diagnosis results. Finally,the performance of the established SMOTE-SSA-CNN model was evaluated through example analysis,verifying the effectiveness of the proposed method for switchgear fault diagnosis. Compared with traditional fault diagnosis methods,the proposed method has better convergence and higher accuracy.
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开关柜多源监测数据包含丰富的设备运行状态信息,对其进行分析可实现开关柜故障诊断。提出一种基于SMOTE-SSA-CNN的开关柜故障诊断方法。首先,以开关柜电压、电流和温湿度等监测数据为基础,采用合成少数类样本过采样技术(SMOTE)算法对原始数据集进行样本扩充,解决原始数据集中正负样本严重失衡的问题;然后引入麻雀搜索算法(SSA)对卷积神经网络(CNN)的卷积核大小与数量、全连接层神经元数量、学习率等超参数进行优化,提高模型故障诊断结果的准确率;最后,通过算例分析对建立的SMOTE-SSA-CNN模型性能进行评估,验证了所提方法对开关柜故障诊断的有效性,且与传统故障诊断方法相比,所提方法的收敛性较好,精度较高。
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, authorsList=张玮)}, authors=[Author(id=1195013676504690749, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1194957529772962388, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=15101460625@136.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1195013676613742656, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1194957529772962388, authorId=1195013676504690749, language=EN, stringName=Wei ZHANG, firstName=Wei, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=State Grid Gannan Power Supply Company,Gannan Tibetan Autonomous Prefecture 747000,Gansu,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1195013676706017345, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1194957529772962388, authorId=1195013676504690749, language=CN, stringName=张玮, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=国网甘南供电公司,甘肃 甘南藏族自治州 747000, bio={"content":"
张玮(1989—),男,本科,高级工程师,Email:15101460625@136.com
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张玮(1989—),男,本科,高级工程师,Email:15101460625@136.com
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SMOTE algorithm expands minority class samples, figureFileSmall=AImV+mOuwjcFJMqiuxL4Iw==, figureFileBig=WRUSQY8t91/3RDSSPqo9cg==, tableContent=null), ArticleFig(id=1195013678274687053, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1194957529772962388, language=CN, label=图1, caption=
SMOTE算法扩充少数类样本, figureFileSmall=AImV+mOuwjcFJMqiuxL4Iw==, figureFileBig=WRUSQY8t91/3RDSSPqo9cg==, tableContent=null), ArticleFig(id=1195013678421487694, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1194957529772962388, language=EN, label=Fig.2, caption=
Convolutional neural network structure, figureFileSmall=fEKpNCIUH2hKl0ub3XZy/A==, figureFileBig=H8heN82Q5faQrVnc4zkGsg==, tableContent=null), ArticleFig(id=1195013678480207951, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1194957529772962388, language=CN, label=图2, caption=
卷积神经网络结构, figureFileSmall=fEKpNCIUH2hKl0ub3XZy/A==, figureFileBig=H8heN82Q5faQrVnc4zkGsg==, tableContent=null), ArticleFig(id=1195013678543122512, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1194957529772962388, language=EN, label=Fig.3, caption=
Fault diagnosis process for switchgear based on SMOTE-SSA-CNN, figureFileSmall=grhLpRK+rmfQYpwJvqrBpw==, figureFileBig=0z+ttDwDrnPr1fUuS8RVzw==, tableContent=null), ArticleFig(id=1195013678614425681, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1194957529772962388, language=CN, label=图3, caption=
基于SMOTE-SSA-CNN的开关柜故障诊断流程, figureFileSmall=grhLpRK+rmfQYpwJvqrBpw==, figureFileBig=0z+ttDwDrnPr1fUuS8RVzw==, tableContent=null), ArticleFig(id=1195013678702506066, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1194957529772962388, language=EN, label=Fig.4, caption=
Diagnosis results of switchgear faults, figureFileSmall=sy6t4tiwER9OPWSfjW/QJw==, figureFileBig=9WmJdxJm9Pyfu41eBzKXkQ==, tableContent=null), ArticleFig(id=1195013678782197843, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1194957529772962388, language=CN, label=图4, caption=
开关柜故障诊断结果, figureFileSmall=sy6t4tiwER9OPWSfjW/QJw==, figureFileBig=9WmJdxJm9Pyfu41eBzKXkQ==, tableContent=null), ArticleFig(id=1195013678849306708, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1194957529772962388, language=EN, label=Fig. 5, caption=
Confusion matrix of switchgear fault diagnosis results, figureFileSmall=j7xC38cDyf0J8/ew1jVKuw==, figureFileBig=/A8rd/S95Eihrl2l8+Phlg==, tableContent=null), ArticleFig(id=1195013678941581397, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1194957529772962388, language=CN, label=图5, caption=
开关柜故障诊断结果混淆矩阵, figureFileSmall=j7xC38cDyf0J8/ew1jVKuw==, figureFileBig=/A8rd/S95Eihrl2l8+Phlg==, tableContent=null), ArticleFig(id=1195013679008690262, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1194957529772962388, language=EN, label=Tab.1, caption=
Monitoring status quantity of switchgear
, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | 状态量 | 获取方式 |
| 母线室 | 三相电压 | 断路器测量 |
| 母排温度 | 温度传感器 |
| 母线室温度 |
| 母线室湿度 | 湿度传感器 |
| 电缆室 | 三相电流 | 断路器测量 |
| 电缆接头温度 | 温度传感器 |
| 电缆室温度 |
| 电缆室湿度 | 湿度传感器 |
| 断路器室 | 分断电压 | 断路器测量 |
| 分断电流 |
| 故障跳闸延时 |
| 接地电流 |
), ArticleFig(id=1195013679109353559, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1194957529772962388, language=CN, label=表1, caption=
开关柜监测状态量
, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | 状态量 | 获取方式 |
| 母线室 | 三相电压 | 断路器测量 |
| 母排温度 | 温度传感器 |
| 母线室温度 |
| 母线室湿度 | 湿度传感器 |
| 电缆室 | 三相电流 | 断路器测量 |
| 电缆接头温度 | 温度传感器 |
| 电缆室温度 |
| 电缆室湿度 | 湿度传感器 |
| 断路器室 | 分断电压 | 断路器测量 |
| 分断电流 |
| 故障跳闸延时 |
| 接地电流 |
), ArticleFig(id=1195013679172268120, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1194957529772962388, language=EN, label=Tab.2, caption=
Sample data distribution
, figureFileSmall=null, figureFileBig=null, tableContent=
| 故障类型 | 故障标签 | 训练集 | 测试集 | 总计 | 占总样本数比重/% |
| 正常运行 | 1 | 200 | 50 | 250 | 61.73 |
| 局部放电 | 2 | 60 | 15 | 75 | 18.52 |
| 温升故障 | 3 | 48 | 12 | 60 | 14.81 |
| 机械故障 | 4 | 16 | 4 | 20 | 4.94 |
), ArticleFig(id=1195013679260348505, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1194957529772962388, language=CN, label=表2, caption=
样本分布情况
, figureFileSmall=null, figureFileBig=null, tableContent=
| 故障类型 | 故障标签 | 训练集 | 测试集 | 总计 | 占总样本数比重/% |
| 正常运行 | 1 | 200 | 50 | 250 | 61.73 |
| 局部放电 | 2 | 60 | 15 | 75 | 18.52 |
| 温升故障 | 3 | 48 | 12 | 60 | 14.81 |
| 机械故障 | 4 | 16 | 4 | 20 | 4.94 |
), ArticleFig(id=1195013679361011802, tenantId=1146029695717560320, journalId=1189987059142926344, articleId=1194957529772962388, language=EN, label=Tab.3, caption=
Fault diagnosis results of different expansion algorithms
, figureFileSmall=null, figureFileBig=null, tableContent=
| 扩充方法 | 准确率/% | Kappa系数 |
| 未均衡化 | 71.51 | 0.68 |
| 随机采样法 | 90.47 | 0.89 |
| SMOTE | 97.50 | 0.96 |
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不同扩充算法的识别结果
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| 扩充方法 | 准确率/% | Kappa系数 |
| 未均衡化 | 71.51 | 0.68 |
| 随机采样法 | 90.47 | 0.89 |
| SMOTE | 97.50 | 0.96 |
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Initial parameters of SSA algorithm
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| 参数名称 | 参数值 | 参数名称 | 参数值 |
| 种群数 | 15 | 预警者 | 0.2 |
| 迭代次数 | 70 | 安全值 | 0.6 |
| 发现者 | 0.8 | 优化维度 | 300 |
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SSA算法初始参数
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| 参数名称 | 参数值 | 参数名称 | 参数值 |
| 种群数 | 15 | 预警者 | 0.2 |
| 迭代次数 | 70 | 安全值 | 0.6 |
| 发现者 | 0.8 | 优化维度 | 300 |
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Evaluation index results of SSA-CNN model
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| 故障类型 | 评价指标 |
| 准确率/% | 查准率/% | 查全率/% |
| 正常运行 | 97.5 | 100 | 100 |
| 局部放电 | 96.2 | 100 |
| 温升故障 | 96.1 | 98 |
| 机械故障 | 97.9 | 92 |
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SSA-CNN模型的评价指标结果
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| 故障类型 | 评价指标 |
| 准确率/% | 查准率/% | 查全率/% |
| 正常运行 | 97.5 | 100 | 100 |
| 局部放电 | 96.2 | 100 |
| 温升故障 | 96.1 | 98 |
| 机械故障 | 97.9 | 92 |
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Output results of different models
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| 模型 | 准确率/% | Kappa系数 | 收敛次数 |
| BPNN | 84.3 | 0.81 | |
| SVM | 83.6 | 0.79 | |
| CNN | 91.5 | 0.88 | |
| PSO-CNN | 94.3 | 0.91 | 47 |
| GA-CNN | 92.7 | 0.90 | 31 |
| SSA-CNN | 97.5 | 0.95 | 24 |
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不同模型的输出结果
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| 模型 | 准确率/% | Kappa系数 | 收敛次数 |
| BPNN | 84.3 | 0.81 | |
| SVM | 83.6 | 0.79 | |
| CNN | 91.5 | 0.88 | |
| PSO-CNN | 94.3 | 0.91 | 47 |
| GA-CNN | 92.7 | 0.90 | 31 |
| SSA-CNN | 97.5 | 0.95 | 24 |
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