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Article(id=1322531780293411248, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1322531779840426416, articleNumber=null, orderNo=null, doi=10.13234/j.issn.2095-2805.2026.7.349, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1715788800000, receivedDateStr=2024-05-16, revisedDate=1745683200000, revisedDateStr=2025-04-27, acceptedDate=1747065600000, acceptedDateStr=2025-05-13, onlineDate=1793245747874, onlineDateStr=2026-10-29, pubDate=1785340800000, pubDateStr=2026-07-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793245747874, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793245747874, creator=13701087609, updateTime=1793245747874, updator=13701087609, issue=Issue{id=1322531779840426416, tenantId=1146029695717560320, journalId=1146031654075715584, year='2026', volume='24', issue='7', pageStart='1', pageEnd='368', issueExtLink='null', onlineDate='null', pubDate='1785340800000', pubDateStr='2026-07-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793245747766, creator='13701087609', updateTime=1793245747766, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=349, endPage=357, ext={EN=ArticleExt(id=1322531780473766321, articleId=1322531780293411248, tenantId=1146029695717560320, journalId=1146031654075715584, language=EN, title=Photoelectric Fusion Partial Discharge Detection Method for H3T, columnId=1321491668864455519, journalTitle=Journal of Power Supply, columnName=Fault Diagnosis and Reliability, runingTitle=null, highlight=null, articleAbstract=

High-power high-voltage high-frequency transformers (H3T) are typically subjected to high du/dt pulsed voltage inputs. Their unique operational environment presents significant insulation challenges, making them highly susceptible to partial discharge (PD) initiation. The intense electromagnetic interference generated by high du/dt pulsed voltages substantially compromises the accuracy of PD detection. A novel joint detection method integrating ultra-high frequency (UHF) antennas with photomultiplier tubes (PMTs) is proposed, combining UHF’s advantages of high sensitivity and wide bandwidth with PMT’s superior anti-interference capability and rapid response characteristics. Signal fusion is achieved through amplitude correlation analysis by comparing temporal and spectral consistency between discharge signals acquired from UHF and PMT. The research reveals remarkable consistency in spectral steepness S and kurtosis K between the two detection modalities. The fusion method demonstrates average discharge count enhancements of 66.3% compared to PMT alone and 49.7% compared to UHF alone, significantly improving detection integrity. Furthermore, the analysis of PD characteristics under varying rise times demonstrates that shorter rise times induce earlier and more concentrated PD occurrences. Specifically, the average and maximum discharge amplitudes increase by 37.9% and 37.2%, respectively, while discharge repetition rates and cumulative discharge amplitudes show improvements of 37.1% and 22.1%. This study provides innovative methodology and technical support for achieving high-sensitivity, interference-resistant online PD detection under high du/dt pulsed voltage conditions.

, authors=Xu CHENG1, 2, Jianfu CHEN1, Yong CHEN1, 2, Xiaoyan ZHAO1, Wu CHEN3, Zhan SHEN3, authorsList=Xu CHENG, Jianfu CHEN, Yong CHEN, Xiaoyan ZHAO, Wu CHEN, Zhan SHEN, authorCompany=null, correspAuthors=Zhan SHEN, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322531781509759412, articleId=1322531780293411248, tenantId=1146029695717560320, journalId=1146031654075715584, language=CN, title=面向H3T的光电融合局部放电检测方法, columnId=1321491668998673249, journalTitle=电源学报, columnName=故障诊断与可靠性, runingTitle=null, highlight=null, articleAbstract=

大容量高频变压器H3T（High-power high-voltage high-frequency transformer）典型输入波形为高du/dt脉冲电压，特殊的运行环境使其面临严峻的绝缘挑战，非常容易引发局部放电PD（partial discharge）。高du/dt脉冲电压产生的强电磁显著干扰PD检测的准确性。基于此，提出一种基于特高频天线UHF（ultra-high frequency）与光电倍增管PMTs（photomultiplier tubes）的联合检测方法，融合了UHFs高灵敏度、宽频带优势与PMTs抗干扰能力强、响应速度快的特性。通过对比UHF与PMT采集的放电信号在时域、谱图等方面的一致性，基于幅值相关性开展信号融合。研究发现，两者采集的谱图陡峭度S与偏斜度K高度吻合，融合后放电次数相较PMT平均提升66.3%、相较UHF平均提升49.7%，显著提升了检测完整性。在此基础上，进一步分析了不同上升时间下PD特性。结果表明，上升时间越短，PD更早发生且集中，平均放电幅值与最大放电幅值分别提升至37.9%与37.2%，放电重复率与累计放电幅值分别提升至37.1%与22.1%。为高du/dt脉冲电压工况下PD的高灵敏度、高抗干扰在线检测提供了新思路与技术支撑。

, authors=程旭1, 2, 陈建福1, 陈勇1, 2, 赵晓燕1, 陈武中国电源学会高级会员3, 沈湛中国电源学会会员3, authorsList=程旭, 陈建福, 陈勇, 赵晓燕, 陈武中国电源学会高级会员, 沈湛中国电源学会会员, authorCompany=null, correspAuthors=沈湛中国电源学会会员, authorNote=

程旭（1994—　），男，硕士，工程师。研究方向：直流配用电技术研究。E-mail：。

陈建福（1965—　），男，博士，教授级高级工程师。研究方向：直流配用电技术研究。E-mail：。

陈勇（1982—　），男，硕士，高级工程师。研究方向：直流配用电技术研究。E-mail：。

赵晓燕（1991—　），女，本科，工程师。研究方向：电网规划技术。E-mail：。

陈武（1981—　），男，中国电源学会高级会员，博士，教授。研究方向：电力电子功率变换，交直流配电网，新能源发电。E-mail：。

, correspAuthorsNote=
沈湛（1991—　），男，中国电源学会会员，通信作者，博士，副研究员。研究方向：高频电力电子及其磁元件。E-mail：。
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程旭（1994—　），男，硕士，工程师。研究方向：直流配用电技术研究。E-mail：。

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程旭（1994—　），男，硕士，工程师。研究方向：直流配用电技术研究。E-mail：。

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陈建福（1965—　），男，博士，教授级高级工程师。研究方向：直流配用电技术研究。E-mail：。

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陈建福（1965—　），男，博士，教授级高级工程师。研究方向：直流配用电技术研究。E-mail：。

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陈勇（1982—　），男，硕士，高级工程师。研究方向：直流配用电技术研究。E-mail：。

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陈勇（1982—　），男，硕士，高级工程师。研究方向：直流配用电技术研究。E-mail：。

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赵晓燕（1991—　），女，本科，工程师。研究方向：电网规划技术。E-mail：。

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赵晓燕（1991—　），女，本科，工程师。研究方向：电网规划技术。E-mail：。

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陈武（1981—　），男，中国电源学会高级会员，博士，教授。研究方向：电力电子功率变换，交直流配电网，新能源发电。E-mail：。

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陈武（1981—　），男，中国电源学会高级会员，博士，教授。研究方向：电力电子功率变换，交直流配电网，新能源发电。E-mail：。

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面向H3T的光电融合局部放电检测方法
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程旭 1, 2 , 陈建福 1 , 陈勇 1, 2 , 赵晓燕 1 , 陈武中国电源学会高级会员 3 , 沈湛中国电源学会会员 3
电源学报 | 故障诊断与可靠性 2026,24(7): 349-357
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电源学报 |故障诊断与可靠性 2026 , 24 (7) : 349 -357
面向H3T的光电融合局部放电检测方法
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陈建福（1965—　），男，博士，教授级高级工程师。研究方向：直流配用电技术研究。E-mail：。

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赵晓燕（1991—　），女，本科，工程师。研究方向：电网规划技术。E-mail：。

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程旭1, 2 , 陈建福1 , 陈勇1, 2 , 赵晓燕1 , 陈武中国电源学会高级会员3 , 沈湛中国电源学会会员3
作者信息
  • 1.广东电网有限责任公司珠海供电局，珠海　519000
  • 2.广东电网有限责任公司直流配用电研究中心，珠海　519000
  • 3.东南大学电气工程学院，南京　210096
通讯作者:
沈湛（1991—　），男，中国电源学会会员，通信作者，博士，副研究员。研究方向：高频电力电子及其磁元件。E-mail：。
作者简介:

程旭（1994—　），男，硕士，工程师。研究方向：直流配用电技术研究。E-mail：。

陈建福（1965—　），男，博士，教授级高级工程师。研究方向：直流配用电技术研究。E-mail：。

陈勇（1982—　），男，硕士，高级工程师。研究方向：直流配用电技术研究。E-mail：。

赵晓燕（1991—　），女，本科，工程师。研究方向：电网规划技术。E-mail：。

陈武（1981—　），男，中国电源学会高级会员，博士，教授。研究方向：电力电子功率变换，交直流配电网，新能源发电。E-mail：。

Photoelectric Fusion Partial Discharge Detection Method for H3T
Xu CHENG1, 2 , Jianfu CHEN1 , Yong CHEN1, 2 , Xiaoyan ZHAO1 , Wu CHEN Senior Member, CPSS3 , Zhan SHEN Member, CPSS3
Affiliations
  • 1.Zhuhai Power Supply Bureau of Guangdong Power Grid Co., Ltd., Zhuhai 519000, China
  • 2.DC Power Distribution and Consumption Technology Research Center of Guangdong Power Grid Co., Ltd., Zhuhai 519000, China
  • 3.School of Electrical Engineering, Southeast University, Nanjing 210096, China
出版时间: 2026-07-30 doi: 10.13234/j.issn.2095-2805.2026.7.349
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摘要
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大容量高频变压器H3T（High-power high-voltage high-frequency transformer）典型输入波形为高du/dt脉冲电压，特殊的运行环境使其面临严峻的绝缘挑战，非常容易引发局部放电PD（partial discharge）。高du/dt脉冲电压产生的强电磁显著干扰PD检测的准确性。基于此，提出一种基于特高频天线UHF（ultra-high frequency）与光电倍增管PMTs（photomultiplier tubes）的联合检测方法，融合了UHFs高灵敏度、宽频带优势与PMTs抗干扰能力强、响应速度快的特性。通过对比UHF与PMT采集的放电信号在时域、谱图等方面的一致性，基于幅值相关性开展信号融合。研究发现，两者采集的谱图陡峭度S与偏斜度K高度吻合，融合后放电次数相较PMT平均提升66.3%、相较UHF平均提升49.7%，显著提升了检测完整性。在此基础上，进一步分析了不同上升时间下PD特性。结果表明，上升时间越短，PD更早发生且集中，平均放电幅值与最大放电幅值分别提升至37.9%与37.2%，放电重复率与累计放电幅值分别提升至37.1%与22.1%。为高du/dt脉冲电压工况下PD的高灵敏度、高抗干扰在线检测提供了新思路与技术支撑。

局部放电  /  H3T  /  高du/dt脉冲电压  /  光电融合检测

High-power high-voltage high-frequency transformers (H3T) are typically subjected to high du/dt pulsed voltage inputs. Their unique operational environment presents significant insulation challenges, making them highly susceptible to partial discharge (PD) initiation. The intense electromagnetic interference generated by high du/dt pulsed voltages substantially compromises the accuracy of PD detection. A novel joint detection method integrating ultra-high frequency (UHF) antennas with photomultiplier tubes (PMTs) is proposed, combining UHF’s advantages of high sensitivity and wide bandwidth with PMT’s superior anti-interference capability and rapid response characteristics. Signal fusion is achieved through amplitude correlation analysis by comparing temporal and spectral consistency between discharge signals acquired from UHF and PMT. The research reveals remarkable consistency in spectral steepness S and kurtosis K between the two detection modalities. The fusion method demonstrates average discharge count enhancements of 66.3% compared to PMT alone and 49.7% compared to UHF alone, significantly improving detection integrity. Furthermore, the analysis of PD characteristics under varying rise times demonstrates that shorter rise times induce earlier and more concentrated PD occurrences. Specifically, the average and maximum discharge amplitudes increase by 37.9% and 37.2%, respectively, while discharge repetition rates and cumulative discharge amplitudes show improvements of 37.1% and 22.1%. This study provides innovative methodology and technical support for achieving high-sensitivity, interference-resistant online PD detection under high du/dt pulsed voltage conditions.

Partial discharge  /  H3T  /  high du/dt pulse voltage  /  Photoelectric fusion PD detection
程旭, 陈建福, 陈勇, 赵晓燕, 陈武中国电源学会高级会员, 沈湛中国电源学会会员. 面向H3T的光电融合局部放电检测方法. 电源学报, 2026 , 24 (7) : 349 -357 . DOI: 10.13234/j.issn.2095-2805.2026.7.349
Xu CHENG, Jianfu CHEN, Yong CHEN, Xiaoyan ZHAO, Wu CHEN, Zhan SHEN. Photoelectric Fusion Partial Discharge Detection Method for H3T[J]. Journal of Power Supply, 2026 , 24 (7) : 349 -357 . DOI: 10.13234/j.issn.2095-2805.2026.7.349
基金
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  • 中国南方电网公司科技资助项目(030400KK52222021)
  • 国家自然科学基金资助项目(52207191)
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2026年第24卷第7期
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doi: 10.13234/j.issn.2095-2805.2026.7.349
  • 接收时间：2024-05-16
  • 首发时间：2026-10-29
  • 出版时间：2026-07-30
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  • 收稿日期：2024-05-16
  • 修回日期：2025-04-27
  • 录用日期：2025-05-13
基金
China Southern Power Grid Company Technology Project(030400KK52222021)
中国南方电网公司科技资助项目(030400KK52222021)
National Natural Science Foundation of China(52207191)
国家自然科学基金资助项目(52207191)
作者信息
    1.广东电网有限责任公司珠海供电局，珠海　519000
    2.广东电网有限责任公司直流配用电研究中心，珠海　519000
    3.东南大学电气工程学院，南京　210096

通讯作者:

沈湛（1991—　），男，中国电源学会会员，通信作者，博士，副研究员。研究方向：高频电力电子及其磁元件。E-mail：。
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https://castjournals.cast.org.cn/joweb/dyxb/CN/10.13234/j.issn.2095-2805.2026.7.349
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2种不同金属材料的力学参数
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Number of
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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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