Article(id=1223204292568399944, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223204286050452333, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221390, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1656777600000, receivedDateStr=2022-07-03, revisedDate=1665504000000, revisedDateStr=2022-10-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1769564229385, onlineDateStr=2026-01-28, pubDate=1684944000000, pubDateStr=2023-05-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769564229385, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769564229385, creator=13701087609, updateTime=1769564229385, updator=13701087609, issue=Issue{id=1223204286050452333, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='5', pageStart='1', pageEnd='220', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769564227831, creator=13701087609, updateTime=1769567742010, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223219026013323264, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223204286050452333, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223219026013323265, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223204286050452333, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=203, endPage=206, ext={EN=ArticleExt(id=1223204294116098169, articleId=1223204292568399944, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Condition Assessment of Peaking Power Source Based on Data Fusion and Parallel Feature Extraction, columnId=1222940986234364233, journalTitle=Water Resources and Power, columnName=ELECTRICAL ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

For the task of condition evaluation of peaking power equipment, the monitoring indicators are defined as a set of time series, among which the complex coupling relationships need to be considered. Besides, requirements on processing time are introduced by the real-time systems. A new framework is proposed to address these problems via the technology of parallel feature extraction as well as data fusion. The time series are statistically analyzed in parallel where multiple hypothesis testing is used to select the important features. Using a defined hierarchical graph convolutional network, the related information is integrated for the final condition evaluation task. Compared with the existing models, experiments indicate that the proposed method with stronger transferability and shorter processing time has a much higher predication accuracy.

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调峰电源设备状态评估有利于电力系统安全稳定运行。系统监测数据本质为一系列指标量的时间序列,评价系统状态时需综合考虑不同指标量间的耦合关系,且实时监测系统对模型的处理速度也有所要求。对此,提出了一种基于数据融合并行特征提取的调峰电源设备状态评估方法。并行提取时间序列统计特征,基于多重假设检验选择重要特征,再利用所设计的分层图卷积网络实现信息整合。实验表明,对比现有模型,该方法的识别准确率大幅提高,运行时间缩短,可迁移性提升。

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方冰(1986-),女,高级工程师,研究方向为电力系统及其自动化,E-mail:
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郝峰(1983-),男,高级工程师,研究方向为抽水蓄能智能化,E-mail:

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郝峰(1983-),男,高级工程师,研究方向为抽水蓄能智能化,E-mail:

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基于数据融合并行特征提取的调峰电源设备状态评估方法
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郝峰 1 , 方冰 2 , 祁炜雯 2 , 郭勤慧 2 , 朱传古 3 , 潘伟峰 3
水电能源科学 | 电气工程 2023,41(5): 203-206
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水电能源科学 | 电气工程 2023, 41(5): 203-206
基于数据融合并行特征提取的调峰电源设备状态评估方法
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郝峰1 , 方冰2 , 祁炜雯2, 郭勤慧2, 朱传古3, 潘伟峰3
作者信息
  • 1.国网水新部,北京 100031
  • 2.国网浙江省电力有限公司绍兴供电公司,浙江 绍兴 310000
  • 3.国网电力科学研究院有限公司,江苏 南京 211106
  • 郝峰(1983-),男,高级工程师,研究方向为抽水蓄能智能化,E-mail:

通讯作者:

方冰(1986-),女,高级工程师,研究方向为电力系统及其自动化,E-mail:
Condition Assessment of Peaking Power Source Based on Data Fusion and Parallel Feature Extraction
Feng HAO1 , Bing FANG2 , Wei-wen QI2, Qin-hui GUO2, Chuan-gu ZHU3, Wei-feng PAN3
Affiliations
  • 1.Water and Innovation Department, State Grid Corporation of China, Beijing 100031, China
  • 2.Shaoxing Power Supply Company of State Grid Zhejiang Electric Power Co., Ltd., Shaoxing 310000, China
  • 3.State Grid Electric Power Research Institute, Nanjing 211106, China
出版时间: 2023-05-25 doi: 10.20040/j.cnki.1000-7709.2023.20221390
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调峰电源设备状态评估有利于电力系统安全稳定运行。系统监测数据本质为一系列指标量的时间序列,评价系统状态时需综合考虑不同指标量间的耦合关系,且实时监测系统对模型的处理速度也有所要求。对此,提出了一种基于数据融合并行特征提取的调峰电源设备状态评估方法。并行提取时间序列统计特征,基于多重假设检验选择重要特征,再利用所设计的分层图卷积网络实现信息整合。实验表明,对比现有模型,该方法的识别准确率大幅提高,运行时间缩短,可迁移性提升。

调峰电源设备状态评估  /  并行时间序列处理  /  图网络  /  特征提取  /  数据融合

For the task of condition evaluation of peaking power equipment, the monitoring indicators are defined as a set of time series, among which the complex coupling relationships need to be considered. Besides, requirements on processing time are introduced by the real-time systems. A new framework is proposed to address these problems via the technology of parallel feature extraction as well as data fusion. The time series are statistically analyzed in parallel where multiple hypothesis testing is used to select the important features. Using a defined hierarchical graph convolutional network, the related information is integrated for the final condition evaluation task. Compared with the existing models, experiments indicate that the proposed method with stronger transferability and shorter processing time has a much higher predication accuracy.

condition assessment of peaking power equipment  /  parallel time series data processing  /  graph neural network  /  feature extraction  /  data fusion
郝峰, 方冰, 祁炜雯, 郭勤慧, 朱传古, 潘伟峰. 基于数据融合并行特征提取的调峰电源设备状态评估方法. 水电能源科学, 2023 , 41 (5) : 203 -206 . DOI: 10.20040/j.cnki.1000-7709.2023.20221390
Feng HAO, Bing FANG, Wei-wen QI, Qin-hui GUO, Chuan-gu ZHU, Wei-feng PAN. Condition Assessment of Peaking Power Source Based on Data Fusion and Parallel Feature Extraction[J]. Water Resources and Power, 2023 , 41 (5) : 203 -206 . DOI: 10.20040/j.cnki.1000-7709.2023.20221390
  • 国家电网有限公司总部科技项目(5700-202140381A-0-0-00)
2023年第41卷第5期
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文章信息
doi: 10.20040/j.cnki.1000-7709.2023.20221390
  • 接收时间:2022-07-03
  • 首发时间:2026-01-28
  • 出版时间:2023-05-25
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出版历史
  • 收稿日期:2022-07-03
  • 修回日期:2022-10-12
基金
国家电网有限公司总部科技项目(5700-202140381A-0-0-00)
作者信息
    1.国网水新部,北京 100031
    2.国网浙江省电力有限公司绍兴供电公司,浙江 绍兴 310000
    3.国网电力科学研究院有限公司,江苏 南京 211106

通讯作者:

方冰(1986-),女,高级工程师,研究方向为电力系统及其自动化,E-mail:
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2种不同金属材料的力学参数

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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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