Article(id=1304921910534496623, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1304921832184897890, articleNumber=null, orderNo=null, doi=10.16790/j.cnki.1009-9239.im.2026.05.013, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1748361600000, receivedDateStr=2025-05-28, revisedDate=1754496000000, revisedDateStr=2025-08-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1789047227747, onlineDateStr=2026-09-10, pubDate=1779206400000, pubDateStr=2026-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789047227747, onlineIssueDateStr=2026-09-10, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789047227747, creator=13701087609, updateTime=1789047227747, updator=13701087609, issue=Issue{id=1304921832184897890, tenantId=1146029695717560320, journalId=1149653034449285133, year='2026', volume='59', issue='5', pageStart='1', pageEnd='160', issueExtLink='null', onlineDate='null', pubDate='1779206400000', pubDateStr='2026-05-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789047209067, creator='13701087609', updateTime=1789118050557, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1305218963043021063, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1304921832184897890, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1305218963043021064, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1304921832184897890, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=113, endPage=121, ext={EN=ArticleExt(id=1304921910756794736, articleId=1304921910534496623, tenantId=1146029695717560320, journalId=1149653034449285133, language=EN, title=Study on acoustic-electric joint localization method for transformer partial discharge based on snake optimization algorithm, columnId=1192878364340924664, journalTitle=Insulating Materials, columnName=Test and Analysis, runingTitle=null, highlight=null, articleAbstract=
To improve the accuracy of locating internal partial discharge sources in transformers, this paper proposed an acoustic-electric joint localization method for transformer partial discharge based on the snake optimization (SO) algorithm. A three-dimensional model of the partial discharge source inside a transformer was established, and the localization performance of different methods for typical partial discharge source positions was tested through simulations using ultra-high frequency (UHF) sensors and ultrasonic sensors. The results show that compared with traditional localization algorithms, the SO algorithm exhibits stronger global search capability and faster convergence performance, and can better escape local optimum traps. Using a transformer partial discharge localization experimental platform to simulate the partial discharge process in a real transformer, it is found that the comprehensive localization error of the proposed acoustic-electric joint localization method based on the SO algorithm is consistently below 50 mm, with high localization stability.
, authors=Linglong CAI
1, Zhiqin MA
1, Zhangquan RAO
2, Hengchao HUANG
3, Jianming LIU
4, Junhao LI
3, *, Yuhui JIN
4, Zhiyun WU
2, authorsList=Linglong CAI, Zhiqin MA, Zhangquan RAO, Hengchao HUANG, Jianming LIU, Junhao LI, Yuhui JIN, Zhiyun WU, authorCompany=null, correspAuthors=Junhao LI, 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=1304921912224801153, articleId=1304921910534496623, tenantId=1146029695717560320, journalId=1149653034449285133, language=CN, title=基于蛇优化算法的变压器局部放电声-电联合定位方法研究, columnId=1192878364483531003, journalTitle=绝缘材料, columnName=测试与分析, runingTitle=null, highlight=null, articleAbstract=
为提高变压器内部局部放电源定位的精准度,本文提出了一种基于蛇优化(snake optimization,SO)算法的变压器局部放电声-电联合定位方法,并建立了变压器内部局部放电源的三维模型,通过使用特高频传感器与超声传感器仿真测试了不同方法对典型局部放电源位置的定位效果。结果表明:相较于传统定位算法,SO算法具有较强的全局搜索能力与快速收敛性能,可更好地跳出局部最优陷阱。通过变压器局部放电定位实验平台,模拟实体变压器局部放电过程,发现基于SO算法的局部放电声-电联合定位方法的综合定位误差均小于50 mm,且定位稳定性高。
, authors=蔡玲珑
1, 马志钦
1, 饶章权
2, 黄恒超
3, 刘建明
4, 李军浩
3, *, 靳宇晖
4, 邬志云
2, authorsList=蔡玲珑, 马志钦, 饶章权, 黄恒超, 刘建明, 李军浩, 靳宇晖, 邬志云, authorCompany=null, correspAuthors=李军浩, authorNote=
蔡玲珑(1990-),男(汉族),湖北武汉人,高级工程师,主要从事电力变压器高压试验及故障诊断技术的研究工作
, correspAuthorsNote=
李军浩(1980-),男(汉族),河南许昌人,教授,主要从事电力设备状态监测及故障诊断技术的研究工作。
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1广东省电力装备可靠性重点企业试验室,广东 广州 510080, bio={"content":"
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2广东电网有限责任公司电力科学研究院,广东 广州 510080, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1304922000598786450, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, xref=2, ext=[AuthorCompanyExt(id=1304922000611369363, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, companyId=1304922000598786450, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Partial discharge source and sensor location, figureFileSmall=V7rG9JakUr7b8lEyXp0L4g==, figureFileBig=mhW6oZ9ki/4pKHn0tERF2g==, tableContent=null), ArticleFig(id=1304922004537237966, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=CN, label=图1, caption=
局部放电源与传感器位置, figureFileSmall=V7rG9JakUr7b8lEyXp0L4g==, figureFileBig=mhW6oZ9ki/4pKHn0tERF2g==, tableContent=null), ArticleFig(id=1304922004629512655, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=EN, label=Fig.2, caption=
Transformer simulation model, figureFileSmall=A9iEQdvreH4vEOth0OVlTg==, figureFileBig=1jUp3Tn3mxdrWCe2k+5n1Q==, tableContent=null), ArticleFig(id=1304922004738564560, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=CN, label=图2, caption=
变压器仿真模型, figureFileSmall=A9iEQdvreH4vEOth0OVlTg==, figureFileBig=1jUp3Tn3mxdrWCe2k+5n1Q==, tableContent=null), ArticleFig(id=1304922004885365201, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=EN, label=Fig.3, caption=
Partial discharge waveform diagram, figureFileSmall=8ohd49SOxZIGPKB98WkWug==, figureFileBig=Qq80pfUm5Xpn4M7IwYCcjA==, tableContent=null), ArticleFig(id=1304922004952474066, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=CN, label=图3, caption=
局部放电源波形图, figureFileSmall=8ohd49SOxZIGPKB98WkWug==, figureFileBig=Qq80pfUm5Xpn4M7IwYCcjA==, tableContent=null), ArticleFig(id=1304922005044748755, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=EN, label=Fig.4, caption=
Propagation cross-sectional diagram of ultrasonic signal, figureFileSmall=pDERUjpscY6lnqWfSUWEXQ==, figureFileBig=Ah69HzNPg3D2CTAcFs6mrg==, tableContent=null), ArticleFig(id=1304922005120246228, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=CN, label=图4, caption=
超声信号传播切面图, figureFileSmall=pDERUjpscY6lnqWfSUWEXQ==, figureFileBig=Ah69HzNPg3D2CTAcFs6mrg==, tableContent=null), ArticleFig(id=1304922005191549397, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=EN, label=Fig.5, caption=
Distribution diagram of partial discharge power source and sensors, figureFileSmall=hze2LnU+RaehmDKSXHkZhw==, figureFileBig=HIJn+yfuyMlWfJUs6OLoSQ==, tableContent=null), ArticleFig(id=1304922005254463958, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=CN, label=图5, caption=
局部放电源及传感器分布图, figureFileSmall=hze2LnU+RaehmDKSXHkZhw==, figureFileBig=HIJn+yfuyMlWfJUs6OLoSQ==, tableContent=null), ArticleFig(id=1304922005321572823, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=EN, label=Fig.6, caption=
Schematic diagram of the experimental platform and wiring, figureFileSmall=T0xG9YiIMQeVo4SmKnN2gA==, figureFileBig=OsekZCZEfpLbcCdH52biWg==, tableContent=null), ArticleFig(id=1304922005384487384, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=CN, label=图6, caption=
实验平台及接线示意图, figureFileSmall=T0xG9YiIMQeVo4SmKnN2gA==, figureFileBig=OsekZCZEfpLbcCdH52biWg==, tableContent=null), ArticleFig(id=1304922005464179161, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=EN, label=Fig.7, caption=
Installation diagram of sensors, figureFileSmall=U1QvtPUnWPQEunSXeSMZEQ==, figureFileBig=TLk8xozbl6ynP7pP/jZlNg==, tableContent=null), ArticleFig(id=1304922005539676634, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=CN, label=图7, caption=
传感器安装示意图(a) 特高频传感器 (b) 超声传感器
, figureFileSmall=U1QvtPUnWPQEunSXeSMZEQ==, figureFileBig=TLk8xozbl6ynP7pP/jZlNg==, tableContent=null), ArticleFig(id=1304922005610979803, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=EN, label=Fig.8, caption=
Location of partial discharge power source, figureFileSmall=6pEbAgxJVE6b3MNIUf6smA==, figureFileBig=0pyvRsTxViXAqj8Z74im4g==, tableContent=null), ArticleFig(id=1304922005669700060, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=CN, label=图8, caption=
局部放电源位置, figureFileSmall=6pEbAgxJVE6b3MNIUf6smA==, figureFileBig=0pyvRsTxViXAqj8Z74im4g==, tableContent=null), ArticleFig(id=1304922005732614621, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=EN, label=Table 1, caption=
Material parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料 | 超声波传播速度/(m/s) | 密度/(kg/m3) |
|---|
| 变压器油 | 1 400 | 895 |
| 钢 | 5 100 | 7 850 |
| 铜 | 4 700 | 8 900 |
), ArticleFig(id=1304922005808112094, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=CN, label=表1, caption=
材料参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料 | 超声波传播速度/(m/s) | 密度/(kg/m3) |
|---|
| 变压器油 | 1 400 | 895 |
| 钢 | 5 100 | 7 850 |
| 铜 | 4 700 | 8 900 |
), ArticleFig(id=1304922005887803871, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=EN, label=Table 2, caption=
Ultrasonic sensor coordinates
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 坐标/m |
|---|
| 传感器S1 | (-1,0.3,0.755) |
| 传感器S2 | (0.8,0.3,0.755) |
| 传感器S3 | (0,-0.3,0.755) |
), ArticleFig(id=1304922005950718432, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=CN, label=表2, caption=
超声传感器坐标
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 坐标/m |
|---|
| 传感器S1 | (-1,0.3,0.755) |
| 传感器S2 | (0.8,0.3,0.755) |
| 传感器S3 | (0,-0.3,0.755) |
), ArticleFig(id=1304922006017827297, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=EN, label=Table 3, caption=
The errors of the three positioning algorithms
, figureFileSmall=null, figureFileBig=null, tableContent=
| 编号 | 局部放电源坐标/m | NIM算法/m | SO算法/m | PSO算法/m |
|---|
| P1 | (-1.69, 0.44, 0) | 0.21 | 0.18 | 0.21 |
| P2 | (-1.69, 0, 0) | 0.36 | 0.33 | 0.33 |
| P3 | (-1.16, 0.44, 0.53) | 0.06 | 0.04 | 0.02 |
| P4 | (-1.16, 0, 0.53) | 0.04 | 0.04 | 0.20 |
| P5 | (-1.16, -0.44, 0.53) | 0.14 | 0.05 | 0.12 |
| P6 | (-0.58, 0.44, 0) | 0.06 | 0.13 | 0.16 |
| P7 | (-0.58, 0, 0) | 0.20 | 0.29 | 0.28 |
| P8 | (-0.58, -0.44, 0) | 0.14 | 0.22 | 0.14 |
| P9 | (0, 0.44, 0.53) | 0.17 | 0.04 | 0.05 |
| P10 | (0, 0, 0.53) | 0.06 | 0.07 | 0.03 |
| P11 | (0, -0.44, 0.53) | 0.15 | 0.08 | 0.08 |
| P12 | (0.58, 0.44, 0) | 0.14 | 0.14 | 0.16 |
| P13 | (0.58, 0, 0) | 0.26 | 0.31 | 0.29 |
| P14 | (0.58, -0.44, 0) | 0.16 | 0.17 | 0.18 |
| P15 | (1.16, 0.44, 0.53) | 0.14 | 0.17 | 0.16 |
| P16 | (1.16, 0, 0.53) | 0.16 | 0.07 | 0.10 |
| P17 | (1.16, -0.44, 0.53) | 0.14 | 0.15 | 0.07 |
| P18 | (1.69, 0.44, 0) | 0.57 | 0.56 | 0.57 |
| P19 | (-1.16, -0.44, -0.53) | 0.14 | 0.09 | 0.05 |
| P20 | (0, 0.44, -0.53) | 0.42 | 0.38 | 0.39 |
| P21 | (0, -0.44, -0.53) | 0.21 | 0.30 | 0.24 |
), ArticleFig(id=1304922006080741858, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=CN, label=表3, caption=
3种定位算法的误差
, figureFileSmall=null, figureFileBig=null, tableContent=
| 编号 | 局部放电源坐标/m | NIM算法/m | SO算法/m | PSO算法/m |
|---|
| P1 | (-1.69, 0.44, 0) | 0.21 | 0.18 | 0.21 |
| P2 | (-1.69, 0, 0) | 0.36 | 0.33 | 0.33 |
| P3 | (-1.16, 0.44, 0.53) | 0.06 | 0.04 | 0.02 |
| P4 | (-1.16, 0, 0.53) | 0.04 | 0.04 | 0.20 |
| P5 | (-1.16, -0.44, 0.53) | 0.14 | 0.05 | 0.12 |
| P6 | (-0.58, 0.44, 0) | 0.06 | 0.13 | 0.16 |
| P7 | (-0.58, 0, 0) | 0.20 | 0.29 | 0.28 |
| P8 | (-0.58, -0.44, 0) | 0.14 | 0.22 | 0.14 |
| P9 | (0, 0.44, 0.53) | 0.17 | 0.04 | 0.05 |
| P10 | (0, 0, 0.53) | 0.06 | 0.07 | 0.03 |
| P11 | (0, -0.44, 0.53) | 0.15 | 0.08 | 0.08 |
| P12 | (0.58, 0.44, 0) | 0.14 | 0.14 | 0.16 |
| P13 | (0.58, 0, 0) | 0.26 | 0.31 | 0.29 |
| P14 | (0.58, -0.44, 0) | 0.16 | 0.17 | 0.18 |
| P15 | (1.16, 0.44, 0.53) | 0.14 | 0.17 | 0.16 |
| P16 | (1.16, 0, 0.53) | 0.16 | 0.07 | 0.10 |
| P17 | (1.16, -0.44, 0.53) | 0.14 | 0.15 | 0.07 |
| P18 | (1.69, 0.44, 0) | 0.57 | 0.56 | 0.57 |
| P19 | (-1.16, -0.44, -0.53) | 0.14 | 0.09 | 0.05 |
| P20 | (0, 0.44, -0.53) | 0.42 | 0.38 | 0.39 |
| P21 | (0, -0.44, -0.53) | 0.21 | 0.30 | 0.24 |
), ArticleFig(id=1304922006152045027, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=EN, label=Table 4, caption=
Error results analysis table
, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法 | (0,0.05)次数 | (0,0.15)次数 | 均值/m |
|---|
| NIM | 1 | 10 | 0.187 |
| SO | 3 | 11 | 0.181 |
| PSO | 2 | 9 | 0.183 |
), ArticleFig(id=1304922006235931108, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=CN, label=表4, caption=
误差结果分析表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法 | (0,0.05)次数 | (0,0.15)次数 | 均值/m |
|---|
| NIM | 1 | 10 | 0.187 |
| SO | 3 | 11 | 0.181 |
| PSO | 2 | 9 | 0.183 |
), ArticleFig(id=1304922006294651365, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=EN, label=Table 5, caption=
Sensor parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 超声传感器 | 特高频传感器 |
|---|
| 检测频带 | 20~100 kHz | 300~1 500 MHz |
| 检测精度 | 99 dB | 等效高度>15 mm |
| 信号接口 | SMA型 | N型 |
| 工作温度 | -15~60℃ | -25~65℃ |
), ArticleFig(id=1304922006391120358, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=CN, label=表5, caption=
传感器参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 超声传感器 | 特高频传感器 |
|---|
| 检测频带 | 20~100 kHz | 300~1 500 MHz |
| 检测精度 | 99 dB | 等效高度>15 mm |
| 信号接口 | SMA型 | N型 |
| 工作温度 | -15~60℃ | -25~65℃ |
), ArticleFig(id=1304922008320500199, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=EN, label=Tab.6, caption=
Partial discharge localization results
, figureFileSmall=null, figureFileBig=null, tableContent=
| 放电源/mm | 传感器/mm | SO算法/mm | PSO算法/mm | NIM算法/mm |
|---|
| (2 600, 1 500, 750) | S1(3 200, 1 700, 690) S2(4 600, 950, 950) S3(150, 900, 960) | (2 563, 1 495, 732)误差:41.45 | (2 599, 1 512, 768)误差:53.67 | (2 459, 1 486, 672)误差:171.7 |
| (1 440, 1 500, 445) | S1(1 740, 1 700, 1 870) S2(150, 950, 960) S3 (750, 150, 120) | (1 428, 1 488, 425)误差:26.23 | (1 402, 1 538, 386)误差:68.53 | (1 385, 1 428, 506)误差:163.7 |
| (330, 1 500, 750) | S1(600, 1 700, 380) S2(150, 1 570, 1 340) S3(2 140, 150, 670) | (322, 1 524, 792)误差:49.03 | (286, 1 460, 728)误差:97.41 | (398, 1 546, 696)误差:144.8 |
), ArticleFig(id=1304922008425357800, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921910534496623, language=CN, label=表6, caption=
局部放电定位结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 放电源/mm | 传感器/mm | SO算法/mm | PSO算法/mm | NIM算法/mm |
|---|
| (2 600, 1 500, 750) | S1(3 200, 1 700, 690) S2(4 600, 950, 950) S3(150, 900, 960) | (2 563, 1 495, 732)误差:41.45 | (2 599, 1 512, 768)误差:53.67 | (2 459, 1 486, 672)误差:171.7 |
| (1 440, 1 500, 445) | S1(1 740, 1 700, 1 870) S2(150, 950, 960) S3 (750, 150, 120) | (1 428, 1 488, 425)误差:26.23 | (1 402, 1 538, 386)误差:68.53 | (1 385, 1 428, 506)误差:163.7 |
| (330, 1 500, 750) | S1(600, 1 700, 380) S2(150, 1 570, 1 340) S3(2 140, 150, 670) | (322, 1 524, 792)误差:49.03 | (286, 1 460, 728)误差:97.41 | (398, 1 546, 696)误差:144.8 |
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