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The article introduces a case of analyzing and processing abnormal ultrasonic signals in the busbar air chamber of a 330kV gas insulated switchgear (GIS). By locating the amplitude and changing the operating status of the equipment, it is determined that the defect comes from the busbar chamber on the main transformer side. By analyzing the scatter plot and phase amplitude plot of the partial discharge ultrasonic signal, it is believed that the discharge of metal foreign objects at the bottom of the gas chamber is the main cause of the abnormal ultrasonic signal. After inspection of the manhole, it is found that there is a silver white metal sharp substance at the measuring point on the bottom of the tank body, which is generated during the production. This GIS busbar air chamber discharge is a typical case of metal tip discharge treatment, providing reference for the treatment of similar abnormal defects in the future.
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本文介绍一起330kV气体绝缘金属封闭开关设备(GIS)母线气室超声波信号异常分析与处理案例。通过幅值定位、改变设备运行状态,判断缺陷来自主变侧母线气室。通过对局部放电超声波信号进行散点图和相位幅值图分析,确定该气室底部金属异物放电是产生异常超声波信号的主要原因。打开检修孔检查,发现罐体底部有一银白色金属尖锐异物,经排查确认该异物为生产阶段产生。此次GIS母线气室放电缺陷是一起典型的金属尖端放电处理案例,可为类似异常缺陷的处理提供参考。
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黎宏飞(1988—),男,四川省成都市人,学士,高级工程师,从事绝缘技术监督、高压绝缘技术的研究工作。
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黎宏飞(1988—),男,四川省成都市人,学士,高级工程师,从事绝缘技术监督、高压绝缘技术的研究工作。
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黎宏飞(1988—),男,四川省成都市人,学士,高级工程师,从事绝缘技术监督、高压绝缘技术的研究工作。
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57(5): 168-174., articleTitle=GIS隔离开关内悬浮放电缺陷带电检测与解体分析, refAbstract=null), Reference(id=1194653426257727669, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, doi=null, pmid=null, pmcid=null, year=2024, volume=25, issue=10, pageStart=48, pageEnd=54, url=null, language=null, rfNumber=[15], rfOrder=14, authorNames=方舟, 张伟, 刘辉, journalName=电气技术, refType=null, unstructuredReference=方舟, 张伟, 刘辉, 等. 基于图像形态学特征的 GIS局部放电模式识别算法与监测系统[J].
电气技术,
2024,
25(10): 48-54., articleTitle=基于图像形态学特征的 GIS局部放电模式识别算法与监测系统, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1194653421618827343, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, xref=null, ext=[AuthorCompanyExt(id=1194653421627215952, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, companyId=1194653421618827343, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=China Energy Science and Technology Research Institute Co., Ltd, Chengdu 610000), AuthorCompanyExt(id=1194653421639798866, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, companyId=1194653421618827343, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=国家能源集团科学技术研究院有限公司,成都 610000)])], figs=[ArticleFig(id=1194653423162331264, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=EN, label=null, caption=null, figureFileSmall=+go1/yhFreYzYYCNk7U6ag==, figureFileBig=dmtw/ak1nC1noQBoO0PnLw==, tableContent=null), ArticleFig(id=1194653423250411650, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=CN, label=图1, caption=
试验T4 GIS结构, figureFileSmall=+go1/yhFreYzYYCNk7U6ag==, figureFileBig=dmtw/ak1nC1noQBoO0PnLw==, tableContent=null), ArticleFig(id=1194653423351074949, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=EN, label=null, caption=null, figureFileSmall=Px85OOlfBR74WWj4aa87fg==, figureFileBig=KjWm+2IfxLFHPoV14nFvOA==, tableContent=null), ArticleFig(id=1194653423430766727, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=CN, label=图2, caption=
超声波局部放电信号特征测试结果, figureFileSmall=Px85OOlfBR74WWj4aa87fg==, figureFileBig=KjWm+2IfxLFHPoV14nFvOA==, tableContent=null), ArticleFig(id=1194653423502069897, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=EN, label=null, caption=null, figureFileSmall=FWTRkvEs8s/LgAO2LHe2lQ==, figureFileBig=TXs2qz32rzj4JKY9RMPs1Q==, tableContent=null), ArticleFig(id=1194653423564984459, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=CN, label=图3, caption=
相位幅值散点图, figureFileSmall=FWTRkvEs8s/LgAO2LHe2lQ==, figureFileBig=TXs2qz32rzj4JKY9RMPs1Q==, tableContent=null), ArticleFig(id=1194653423632093325, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=EN, label=null, caption=null, figureFileSmall=Ap6cbEBCzxxY8Zbir40dRQ==, figureFileBig=O1CvCCHesjbtiZV2b24wAA==, tableContent=null), ArticleFig(id=1194653423720173711, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=CN, label=图4, caption=
C相母线测试点位设置, figureFileSmall=Ap6cbEBCzxxY8Zbir40dRQ==, figureFileBig=O1CvCCHesjbtiZV2b24wAA==, tableContent=null), ArticleFig(id=1194653423787282577, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=EN, label=null, caption=null, figureFileSmall=EcfnNa4ezVbm3/0mgILNBg==, figureFileBig=9gGqo0r8QNN+3lKSiVFETA==, tableContent=null), ArticleFig(id=1194653423879557267, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=CN, label=图5, caption=
C相母线异常部位, figureFileSmall=EcfnNa4ezVbm3/0mgILNBg==, figureFileBig=9gGqo0r8QNN+3lKSiVFETA==, tableContent=null), ArticleFig(id=1194653423959249045, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=EN, label=null, caption=null, figureFileSmall=pzLjtwtuwWX52k2SWeCujA==, figureFileBig=pLCDXUOcw1nYfLiTu7Uwwg==, tableContent=null), ArticleFig(id=1194653424022163607, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=CN, label=图6, caption=
测试点⑦水平轴向圆周测点布置, figureFileSmall=pzLjtwtuwWX52k2SWeCujA==, figureFileBig=pLCDXUOcw1nYfLiTu7Uwwg==, tableContent=null), ArticleFig(id=1194653424097661081, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=EN, label=null, caption=null, figureFileSmall=L15NzSOXFI9iJIhZFeOk/Q==, figureFileBig=W1FAyrofSR7uajtFsyajWg==, tableContent=null), ArticleFig(id=1194653424177352858, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=CN, label=图7, caption=
试验电压与局部放电信号幅值关系, figureFileSmall=L15NzSOXFI9iJIhZFeOk/Q==, figureFileBig=W1FAyrofSR7uajtFsyajWg==, tableContent=null), ArticleFig(id=1194653424248656027, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=EN, label=null, caption=null, figureFileSmall=IkLktb57PuHy9/lPQrKHFw==, figureFileBig=XKz4zLWQK2JasaJO0XpOfg==, tableContent=null), ArticleFig(id=1194653424311570588, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=CN, label=图8, caption=
提升测试电压后超声波信号特征测试结果, figureFileSmall=IkLktb57PuHy9/lPQrKHFw==, figureFileBig=XKz4zLWQK2JasaJO0XpOfg==, tableContent=null), ArticleFig(id=1194653424374485149, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=EN, label=null, caption=null, figureFileSmall=fUnY/t/pRhJCaeCfytrSlQ==, figureFileBig=O0SQgP5w0gXSMSDeC6oWiw==, tableContent=null), ArticleFig(id=1194653424449982622, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=CN, label=图9, caption=
金属异物, figureFileSmall=fUnY/t/pRhJCaeCfytrSlQ==, figureFileBig=O0SQgP5w0gXSMSDeC6oWiw==, tableContent=null), ArticleFig(id=1194653424542257311, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 测试点 | 背景噪声/mV | 测试值/mV | 信号情况 |
| ① | 2.5 | 3.1 | 峰值稳定 |
| ② | 2.5 | 3.2 | 峰值稳定 |
| ③ | 2.5 | 3.2 | 峰值稳定 |
| ④ | 2.5 | 8.9 | 峰值跳动 |
| ⑤ | 2.5 | 18.8 | 峰值跳动 |
| ⑥ | 2.5 | 38.1 | 峰值跳动 |
| ⑦ | 2.5 | 75.1 | 峰值跳动 |
| ⑧ | 2.5 | 32.4 | 峰值跳动 |
| ⑨ | 2.5 | 21.3 | 峰值跳动 |
), ArticleFig(id=1194653424651309216, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=CN, label=表1, caption=
C相母线水平方向测试数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 测试点 | 背景噪声/mV | 测试值/mV | 信号情况 |
| ① | 2.5 | 3.1 | 峰值稳定 |
| ② | 2.5 | 3.2 | 峰值稳定 |
| ③ | 2.5 | 3.2 | 峰值稳定 |
| ④ | 2.5 | 8.9 | 峰值跳动 |
| ⑤ | 2.5 | 18.8 | 峰值跳动 |
| ⑥ | 2.5 | 38.1 | 峰值跳动 |
| ⑦ | 2.5 | 75.1 | 峰值跳动 |
| ⑧ | 2.5 | 32.4 | 峰值跳动 |
| ⑨ | 2.5 | 21.3 | 峰值跳动 |
), ArticleFig(id=1194653424735195297, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 测点 | 背景噪声/mV | 测试值/mV | 信号情况 |
| 7 | 2.5 | 75.1 | 峰值跳动 |
| 7a | 2.5 | 43.4 | 峰值跳动 |
| 7b | 2.5 | 24.2 | 峰值跳动 |
| 7c | 2.5 | 19.6 | 峰值跳动 |
| 7d | 2.5 | 11.4 | 峰值跳动 |
| 7e | 2.5 | 19.6 | 峰值跳动 |
| 7f | 2.5 | 23.8 | 峰值跳动 |
| 7g | 2.5 | 27.4 | 峰值跳动 |
), ArticleFig(id=1194653424798109858, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=CN, label=表2, caption=
测试点⑦水平轴向圆周测试数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 测点 | 背景噪声/mV | 测试值/mV | 信号情况 |
| 7 | 2.5 | 75.1 | 峰值跳动 |
| 7a | 2.5 | 43.4 | 峰值跳动 |
| 7b | 2.5 | 24.2 | 峰值跳动 |
| 7c | 2.5 | 19.6 | 峰值跳动 |
| 7d | 2.5 | 11.4 | 峰值跳动 |
| 7e | 2.5 | 19.6 | 峰值跳动 |
| 7f | 2.5 | 23.8 | 峰值跳动 |
| 7g | 2.5 | 27.4 | 峰值跳动 |
), ArticleFig(id=1194653424873607331, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验电压/kV | 背景噪声/mV | 测试值/mV | 信号情况 |
| 209.5(运行电压) | 2.5 | 37.9 | 峰值跳动 |
| 220.2 | 2.5 | 49.0 | 峰值跳动 |
| 230.1 | 2.5 | 54.6 | 峰值跳动 |
| 240.0 | 2.5 | 75.4 | 峰值跳动 |
| 251.5(超声局部放电) | 2.5 | 75.8 | 峰值跳动 |
| 260.3 | 2.5 | 173.0 | 峰值跳动 |
| 270.1 | 2.5 | 215.1 | 峰值跳动 |
| 276.3 | 2.5 | 618.2 | 峰值跳动 |
), ArticleFig(id=1194653424936521892, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=CN, label=表3, caption=
不同测试电压下测试点⑦局部放电信号测试数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验电压/kV | 背景噪声/mV | 测试值/mV | 信号情况 |
| 209.5(运行电压) | 2.5 | 37.9 | 峰值跳动 |
| 220.2 | 2.5 | 49.0 | 峰值跳动 |
| 230.1 | 2.5 | 54.6 | 峰值跳动 |
| 240.0 | 2.5 | 75.4 | 峰值跳动 |
| 251.5(超声局部放电) | 2.5 | 75.8 | 峰值跳动 |
| 260.3 | 2.5 | 173.0 | 峰值跳动 |
| 270.1 | 2.5 | 215.1 | 峰值跳动 |
| 276.3 | 2.5 | 618.2 | 峰值跳动 |
), ArticleFig(id=1194653425007825061, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 测试点 | 背景噪声/mV | 测试值/mV | 信号情况 |
| ① | 2.5 | 3.3 | 峰值稳定 |
| ② | 2.5 | 3.3 | 峰值稳定 |
| ③ | 2.5 | 3.6 | 峰值稳定 |
| ④ | 2.5 | 3.5 | 峰值跳动 |
| ⑤ | 2.5 | 3.7 | 峰值跳动 |
| ⑥ | 2.5 | 3.5 | 峰值跳动 |
| ⑦ | 2.5 | 3.6 | 峰值跳动 |
| ⑧ | 2.5 | 3.8 | 峰值跳动 |
| ⑨ | 2.5 | 3.6 | 峰值跳动 |
), ArticleFig(id=1194653425087516838, tenantId=1146029695717560320, journalId=1190235702286704641, articleId=1194635563878818629, language=CN, label=表4, caption=
C相母线水平方向超声局部放电复测数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 测试点 | 背景噪声/mV | 测试值/mV | 信号情况 |
| ① | 2.5 | 3.3 | 峰值稳定 |
| ② | 2.5 | 3.3 | 峰值稳定 |
| ③ | 2.5 | 3.6 | 峰值稳定 |
| ④ | 2.5 | 3.5 | 峰值跳动 |
| ⑤ | 2.5 | 3.7 | 峰值跳动 |
| ⑥ | 2.5 | 3.5 | 峰值跳动 |
| ⑦ | 2.5 | 3.6 | 峰值跳动 |
| ⑧ | 2.5 | 3.8 | 峰值跳动 |
| ⑨ | 2.5 | 3.6 | 峰值跳动 |
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