Article(id=1241765089058034074, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1241765084528181978, articleNumber=null, orderNo=null, doi=10.16790/j.cnki.1009-9239.im.2021.07.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1596988800000, receivedDateStr=2020-08-10, revisedDate=1600963200000, revisedDateStr=2020-09-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1773989468064, onlineDateStr=2026-03-20, pubDate=1626710400000, pubDateStr=2021-07-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773989468064, onlineIssueDateStr=2026-03-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773989468064, creator=13701087609, updateTime=1773989468064, updator=13701087609, issue=Issue{id=1241765084528181978, tenantId=1146029695717560320, journalId=1149653034449285133, year='2021', volume='54', issue='7', pageStart='1', pageEnd='120', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773989467027, creator=13701087609, updateTime=1773989590112, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241765600834421400, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1241765084528181978, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241765600834421401, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1241765084528181978, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=59, endPage=66, ext={EN=ArticleExt(id=1241765091515896220, articleId=1241765089058034074, tenantId=1146029695717560320, journalId=1149653034449285133, language=EN, title=Quantitative Assessment for Turn-to-turn Insulation State of Generator Rotor Winding by Repetitive Surge Oscillograph Method, columnId=1190369198472794288, journalTitle=Insulating Materials, columnName=Insulation Technology, runingTitle=null, highlight=null, articleAbstract=
In order to better use the repetitive surge oscillograph (RSO) method to quantitatively evaluate the turn-to-turn insulation defects of generator rotor winding, we conducted turn-to-turn short circuit simulation tests under different positions, different short circuit coils, and different short-circuit resistance on a real rotor when the generator was being repaired. The response waveform and characteristic waveform of the two poles were obtained by the RSO device. Three characteristic parameters that is voltage deviation rate, time deviation rate, and fault severity factor were proposed to study the characteristic waveform. The results show that RSO can be used to quantitatively evaluate the severity of turn-to-turn insulation defects of rotor, the fault type of rotor winding can be quickly determined according to the amplitude and deviation rate of voltage of characteristic waveform, and the fault location can be basically realized according to the time deviation rate. The voltage amplitude of the RSO characteristic waveform has a linear positive correlation with the number of short-circuit coils, and has an exponential relationship with the short-circuit resistance and the center time, respectively. The fault severity factor has a linear positive correlation with the number of short-circuit coils. According to the analysis results, two methods to quantitatively evaluate the severity of rotor turn to turn insulation defects are proposed, which can be used to accurately evaluate the turn-to-turn insulation status of rotors.
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为了更好地应用重复脉冲法(RSO)对发电机转子绕组匝间绝缘缺陷进行定量评估,利用发电机检修时机对转子进行了不同位置、不同短路匝数、不同短路阻值下的匝间短路模拟试验,采用RSO试验仪测试得到两极响应波形和特征波形,提出了电压偏差率、时间偏差率和故障严重程度因子3个特征参数对特征波形进行研究。结果表明:RSO可以用于定量评估转子匝间绝缘缺陷的严重程度,可根据特征波形的电压幅值和电压偏差率快速判断出转子绕组的故障类型,根据时间偏差率基本可以实现故障位置的定位。RSO特征波形的电压幅值与短路匝数基本呈线性正相关关系,与短路电阻值和中心时间均呈指数函数关系,故障严重程度因子与短路匝数呈线性正相关关系。根据分析结果提出了两种定量评估转子匝间绝缘缺陷严重程度的方法,可用于准确评估转子匝间绝缘状态。
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胡磊(1982-),男(汉族),安徽淮南人,高级工程师,主要从事电气设备的状态评估与故障诊断的研究。
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胡磊(1982-),男(汉族),安徽淮南人,高级工程师,主要从事电气设备的状态评估与故障诊断的研究。
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胡磊(1982-),男(汉族),安徽淮南人,高级工程师,主要从事电气设备的状态评估与故障诊断的研究。
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1China Power Hua Chuang Electricity Technology Research Co., Ltd., Shanghai 200086, China
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1中电华创电力技术研究有限公司,上海 200086
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1China Power Hua Chuang Electricity Technology Research Co., Ltd., Shanghai 200086, China
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Basic structure of the rotor, figureFileSmall=WPl+EE36ZU1jvnMsZV/3yw==, figureFileBig=4KtWJ0d+l1Z8GcNpWiIzLw==, tableContent=null), ArticleFig(id=1245055685877154407, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=图1, caption=
转子基本结构, figureFileSmall=WPl+EE36ZU1jvnMsZV/3yw==, figureFileBig=4KtWJ0d+l1Z8GcNpWiIzLw==, tableContent=null), ArticleFig(id=1245055685998789228, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Fig.2, caption=
RSO test waveform, figureFileSmall=tRDad+BgUoqYR1kL0yZNMA==, figureFileBig=renzbbIbIs//YAqhAHh8/g==, tableContent=null), ArticleFig(id=1245055686091063918, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=图2, caption=
RSO试验波形, figureFileSmall=tRDad+BgUoqYR1kL0yZNMA==, figureFileBig=renzbbIbIs//YAqhAHh8/g==, tableContent=null), ArticleFig(id=1245055686187532912, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Fig.3, caption=
RSO test wiring diagram, figureFileSmall=C2loEsgiPYLESJwIugad1g==, figureFileBig=ZH+b7RDrWenqRXHxr1OqVQ==, tableContent=null), ArticleFig(id=1245055686250447474, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=图3, caption=
RSO试验接线图, figureFileSmall=C2loEsgiPYLESJwIugad1g==, figureFileBig=ZH+b7RDrWenqRXHxr1OqVQ==, tableContent=null), ArticleFig(id=1245055686334333557, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Fig.4, caption=
Propagation time, figureFileSmall=nFNPbNzySZVGxIS8FDMB+Q==, figureFileBig=7yoLa7J7iurcXZk9ChdPLw==, tableContent=null), ArticleFig(id=1245055686426608248, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=图4, caption=
传播时间, figureFileSmall=nFNPbNzySZVGxIS8FDMB+Q==, figureFileBig=7yoLa7J7iurcXZk9ChdPLw==, tableContent=null), ArticleFig(id=1245055686518882939, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Fig.5, caption=
Characteristic waveform of different short circuit coils of 3# coil, figureFileSmall=KcRYaGdj09FlXrvdGaHJDg==, figureFileBig=sYsrbgHlRAnYbSVJTZH99g==, tableContent=null), ArticleFig(id=1245055686606963325, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=图5, caption=
3#线圈不同短路匝数的特征波形, figureFileSmall=KcRYaGdj09FlXrvdGaHJDg==, figureFileBig=sYsrbgHlRAnYbSVJTZH99g==, tableContent=null), ArticleFig(id=1245055686711820927, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Fig.6, caption=
Fitting curve of characteristic waveform voltage amplitude and center time under different short circuit coils, figureFileSmall=BEX4Z0ClUe7B8jK7tJEwLw==, figureFileBig=aM5oy7tIqm1WLzykdn190w==, tableContent=null), ArticleFig(id=1245055686829261441, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=图6, caption=
不同短路匝数下特征波形电压幅值与中心时间的拟合曲线, figureFileSmall=BEX4Z0ClUe7B8jK7tJEwLw==, figureFileBig=aM5oy7tIqm1WLzykdn190w==, tableContent=null), ArticleFig(id=1245055686925730437, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Fig.7, caption=
The relationship between the characteristic waveform voltage amplitude and the quantity of short-circuit turns of different coils, figureFileSmall=8sUjgFBO6YK8ZNqC4xMvZw==, figureFileBig=5ftzp5oeMNqe5Hv5cvm7dg==, tableContent=null), ArticleFig(id=1245055687013810825, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=图7, caption=
不同线圈的特征波形电压幅值与短路匝数的关系, figureFileSmall=8sUjgFBO6YK8ZNqC4xMvZw==, figureFileBig=5ftzp5oeMNqe5Hv5cvm7dg==, tableContent=null), ArticleFig(id=1245055687148028557, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Fig.8, caption=
The relationship between the fault severity factor and the short circuit position (except for the 7# coil), figureFileSmall=D1wCCg6twBfb/v5pLi//yA==, figureFileBig=1i/+2VaySH6LS/3t+LVfOg==, tableContent=null), ArticleFig(id=1245055687265469072, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=图8, caption=
故障严重程度因子与短路位置的关系(7#线圈除外), figureFileSmall=D1wCCg6twBfb/v5pLi//yA==, figureFileBig=1i/+2VaySH6LS/3t+LVfOg==, tableContent=null), ArticleFig(id=1245055687328383635, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Fig.9, caption=
The relationship between the fault severity factor of different coils and the short circuit turns, figureFileSmall=o6EuZq9WWTnCHxQMfyFFzA==, figureFileBig=1d1d8qrDN+ehSPTq0L5GDw==, tableContent=null), ArticleFig(id=1245055687416464021, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=图9, caption=
不同线圈的故障严重程度因子与短路匝数的关系, figureFileSmall=o6EuZq9WWTnCHxQMfyFFzA==, figureFileBig=1d1d8qrDN+ehSPTq0L5GDw==, tableContent=null), ArticleFig(id=1245055687504544409, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Fig.10, caption=
Characteristic waveform of different short circuit resistance of 3# coil, figureFileSmall=n0rKy+peJVS+vF+y719vxQ==, figureFileBig=kRc+bkxCRDXFbkOc5XirdQ==, tableContent=null), ArticleFig(id=1245055687588430492, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=图10, caption=
3#线圈不同短路电阻值的特征波形, figureFileSmall=n0rKy+peJVS+vF+y719vxQ==, figureFileBig=kRc+bkxCRDXFbkOc5XirdQ==, tableContent=null), ArticleFig(id=1245055687701676703, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Fig.11, caption=
The relationship between the characteristic waveform voltage amplitude and the short circuit resistance of different coils, figureFileSmall=rxhwnEH/nb3zOpfv1mfgIQ==, figureFileBig=jDdkNTBU6GhR2fOnAgqEJw==, tableContent=null), ArticleFig(id=1245055687781368481, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=图11, caption=
不同线圈的特征波形电压幅值与短路电阻值的关系, figureFileSmall=rxhwnEH/nb3zOpfv1mfgIQ==, figureFileBig=jDdkNTBU6GhR2fOnAgqEJw==, tableContent=null), ArticleFig(id=1245055687882031778, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Fig.12, caption=
The relationship between characteristic waveform voltage amplitude and center time under different short circuit resistance, figureFileSmall=koXfdy6aX3aFJwzxMz9ymQ==, figureFileBig=LLeuvwcNfvGgNl7KZ0ZApw==, tableContent=null), ArticleFig(id=1245055687974306469, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=图12, caption=
不同短路电阻值下特征波形电压幅值与中心时间的关系, figureFileSmall=koXfdy6aX3aFJwzxMz9ymQ==, figureFileBig=LLeuvwcNfvGgNl7KZ0ZApw==, tableContent=null), ArticleFig(id=1245055688049803943, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Fig.13, caption=
Criterion line (R=10.0 Ω), figureFileSmall=rkRMfFuoT5h5bXm6BaitSw==, figureFileBig=+oTCWr52HdWNpq0UszkVTg==, tableContent=null), ArticleFig(id=1245055688108524201, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=图13, caption=
判据线(R=10.0 Ω), figureFileSmall=rkRMfFuoT5h5bXm6BaitSw==, figureFileBig=+oTCWr52HdWNpq0UszkVTg==, tableContent=null), ArticleFig(id=1245055688188215978, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Tab.1, caption=
Basic parameters of generator, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 参数 | 数值 |
|---|
| 型号 | QFSN-660-2-22 | 额定容量 | 733 MVA |
| 出厂日期 | 2009.12 | 额定功率 | 660 MW |
| 额定电压 | 22 kV | 额定电流 | 19 245 A |
| 额定励磁电流 | 4 673 A | 额定励磁电压 | 426 V |
| 定子槽数 | 42 | 转子槽数 | 32 |
), ArticleFig(id=1245055688259519148, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=表1, caption=
发电机基本参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 参数 | 数值 |
|---|
| 型号 | QFSN-660-2-22 | 额定容量 | 733 MVA |
| 出厂日期 | 2009.12 | 额定功率 | 660 MW |
| 额定电压 | 22 kV | 额定电流 | 19 245 A |
| 额定励磁电流 | 4 673 A | 额定励磁电压 | 426 V |
| 定子槽数 | 42 | 转子槽数 | 32 |
), ArticleFig(id=1245055688355988142, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Tab.2, caption=
Characteristic waveform test results of different short circuit coils, figureFileSmall=null, figureFileBig=null, tableContent=
| 线圈号 | 短路类型 | 电压幅值/mV | 电压偏差率/% | 中心时间/μs | 时间偏差率/% | 波形宽度/μs |
|---|
| 1# | 2匝短路 | 570 | 16.9 | 1.17 | 3.92 | 1.36 |
| 3匝短路 | 1 010 | 29.9 | 0.97 | 3.25 | 1.28 |
| 4匝短路 | 1 120 | 33.2 | 0.92 | 3.08 | 1.37 |
| 2# | 2匝短路 | 510 | 15.1 | 3.01 | 10.07 | 2.26 |
| 3匝短路 | 770 | 22.8 | 2.62 | 8.77 | 2.40 |
| 4匝短路 | 870 | 25.8 | 2.41 | 8.07 | 2.51 |
| 3# | 2匝短路 | 340 | 10.1 | 4.74 | 15.86 | 4.23 |
| 3匝短路 | 540 | 16.0 | 4.31 | 14.42 | 4.33 |
| 4匝短路 | 610 | 18.1 | 4.14 | 13.86 | 4.05 |
| 4# | 2匝短路 | 270 | 8.0 | 7.14 | 23.90 | 6.64 |
| 3匝短路 | 420 | 12.5 | 6.74 | 22.56 | 7.47 |
| 4匝短路 | 450 | 13.4 | 6.54 | 21.89 | 7.05 |
| 5# | 2匝短路 | 240 | 7.1 | 9.13 | 30.56 | 8.2 |
| 3匝短路 | 360 | 10.7 | 8.82 | 29.52 | 8.3 |
| 4匝短路 | 440 | 13.1 | 8.71 | 29.15 | 8.4 |
| 6# | 2匝短路 | 210 | 6.2 | 11.09 | 37.12 | 10.07 |
| 3匝短路 | 320 | 9.5 | 11.01 | 36.85 | 10.68 |
| 4匝短路 | 380 | 11.3 | 10.97 | 36.71 | 10.89 |
| 7# | 2匝短路 | 80 | 2.4 | 15.56 | 52.07 | 4.26 |
| 3匝短路 | 160 | 4.8 | 15.46 | 51.74 | 5.19 |
| 4匝短路 | 180 | 5.3 | 15.38 | 51.71 | 5.7 |
), ArticleFig(id=1245055688414708400, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=表2, caption=
不同短路匝数下的特征波形试验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 线圈号 | 短路类型 | 电压幅值/mV | 电压偏差率/% | 中心时间/μs | 时间偏差率/% | 波形宽度/μs |
|---|
| 1# | 2匝短路 | 570 | 16.9 | 1.17 | 3.92 | 1.36 |
| 3匝短路 | 1 010 | 29.9 | 0.97 | 3.25 | 1.28 |
| 4匝短路 | 1 120 | 33.2 | 0.92 | 3.08 | 1.37 |
| 2# | 2匝短路 | 510 | 15.1 | 3.01 | 10.07 | 2.26 |
| 3匝短路 | 770 | 22.8 | 2.62 | 8.77 | 2.40 |
| 4匝短路 | 870 | 25.8 | 2.41 | 8.07 | 2.51 |
| 3# | 2匝短路 | 340 | 10.1 | 4.74 | 15.86 | 4.23 |
| 3匝短路 | 540 | 16.0 | 4.31 | 14.42 | 4.33 |
| 4匝短路 | 610 | 18.1 | 4.14 | 13.86 | 4.05 |
| 4# | 2匝短路 | 270 | 8.0 | 7.14 | 23.90 | 6.64 |
| 3匝短路 | 420 | 12.5 | 6.74 | 22.56 | 7.47 |
| 4匝短路 | 450 | 13.4 | 6.54 | 21.89 | 7.05 |
| 5# | 2匝短路 | 240 | 7.1 | 9.13 | 30.56 | 8.2 |
| 3匝短路 | 360 | 10.7 | 8.82 | 29.52 | 8.3 |
| 4匝短路 | 440 | 13.1 | 8.71 | 29.15 | 8.4 |
| 6# | 2匝短路 | 210 | 6.2 | 11.09 | 37.12 | 10.07 |
| 3匝短路 | 320 | 9.5 | 11.01 | 36.85 | 10.68 |
| 4匝短路 | 380 | 11.3 | 10.97 | 36.71 | 10.89 |
| 7# | 2匝短路 | 80 | 2.4 | 15.56 | 52.07 | 4.26 |
| 3匝短路 | 160 | 4.8 | 15.46 | 51.74 | 5.19 |
| 4匝短路 | 180 | 5.3 | 15.38 | 51.71 | 5.7 |
), ArticleFig(id=1245055688486011570, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Tab.3, caption=
Fitting parameters, figureFileSmall=null, figureFileBig=null, tableContent=
| 短路匝数 | | | R2 |
|---|
| 2 | 664.9 | 0.117 | 0.956 6 |
| 3 | 1 093.7 | 0.130 | 0.962 1 |
| 4 | 1 188.3 | 0.142 | 0.943 5 |
), ArticleFig(id=1245055688561509044, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=表3, caption=
拟合参数值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 短路匝数 | | | R2 |
|---|
| 2 | 664.9 | 0.117 | 0.956 6 |
| 3 | 1 093.7 | 0.130 | 0.962 1 |
| 4 | 1 188.3 | 0.142 | 0.943 5 |
), ArticleFig(id=1245055688641200822, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Tab.4, caption=
Fitting parameter, figureFileSmall=null, figureFileBig=null, tableContent=
| 线圈号 | a | b | R2 |
|---|
| 1# | 275 | 75.00 | 0.823 2 |
| 2# | 180 | 176.67 | 0.868 3 |
| 3# | 135 | 97.67 | 0.898 1 |
| 4# | 90 | 110.00 | 0.924 0 |
| 5# | 100 | 46.67 | 0.987 2 |
| 6# | 85 | 48.33 | 0.972 6 |
| 7# | 50 | -10.00 | 0.927 4 |
), ArticleFig(id=1245055688708309688, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=表4, caption=
拟合参数值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 线圈号 | a | b | R2 |
|---|
| 1# | 275 | 75.00 | 0.823 2 |
| 2# | 180 | 176.67 | 0.868 3 |
| 3# | 135 | 97.67 | 0.898 1 |
| 4# | 90 | 110.00 | 0.924 0 |
| 5# | 100 | 46.67 | 0.987 2 |
| 6# | 85 | 48.33 | 0.972 6 |
| 7# | 50 | -10.00 | 0.927 4 |
), ArticleFig(id=1245055688800584378, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Tab.5, caption=
Failure severity factor, figureFileSmall=null, figureFileBig=null, tableContent=
| 线圈号 | 2匝短路 | 3匝短路 | 4匝短路 |
|---|
| 1# | 0.749 | 1.098 | 1.302 |
| 2# | 0.794 | 1.156 | 1.357 |
| 3# | 0.877 | 1.345 | 1.543 |
| 4# | 0.914 | 1.415 | 1.608 |
| 5# | 0.942 | 1.462 | 1.795 |
| 6# | 0.973 | 1.517 | 1.822 |
| 7# | 0.223 | 0.438 | 0.516 |
), ArticleFig(id=1245055688888664764, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=表5, caption=
故障严重程度因子
, figureFileSmall=null, figureFileBig=null, tableContent=
| 线圈号 | 2匝短路 | 3匝短路 | 4匝短路 |
|---|
| 1# | 0.749 | 1.098 | 1.302 |
| 2# | 0.794 | 1.156 | 1.357 |
| 3# | 0.877 | 1.345 | 1.543 |
| 4# | 0.914 | 1.415 | 1.608 |
| 5# | 0.942 | 1.462 | 1.795 |
| 6# | 0.973 | 1.517 | 1.822 |
| 7# | 0.223 | 0.438 | 0.516 |
), ArticleFig(id=1245055688951579326, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Tab.6, caption=
Calculation results of short circuit position, figureFileSmall=null, figureFileBig=null, tableContent=
| 故障点线圈号 | /% | X |
|---|
| 1# | 3.92 | 1 |
| 2# | 10.07 | 2 |
| 3# | 15.86 | 3 |
| 4# | 23.90 | 4 |
| 5# | 30.56 | 5 |
| 6# | 37.12 | 6 |
| 7# | 52.07 | 9 |
), ArticleFig(id=1245055689022882496, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=表6, caption=
短路位置计算结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 故障点线圈号 | /% | X |
|---|
| 1# | 3.92 | 1 |
| 2# | 10.07 | 2 |
| 3# | 15.86 | 3 |
| 4# | 23.90 | 4 |
| 5# | 30.56 | 5 |
| 6# | 37.12 | 6 |
| 7# | 52.07 | 9 |
), ArticleFig(id=1245055689110962882, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Tab.7, caption=
Characteristic waveform test results at different short circuit resistance, figureFileSmall=null, figureFileBig=null, tableContent=
| 电阻值/Ω | 参数 | 线圈号 |
|---|
| 1# | 2# | 3# | 4# | 5# | 6# | 7# |
|---|
| 0.1 | 中心时间/μs | 1.17 | 3.01 | 4.74 | 7.14 | 9.13 | 11.61 | 15.56 |
| 时间偏差率/% | 3.92 | 10.07 | 15.86 | 23.9 | 30.56 | 37.12 | 52.07 |
| 电压幅值/mV | 570 | 510 | 340 | 270 | 240 | 210 | 80 |
| 电压偏差率/% | 16.91 | 15.13 | 10.09 | 8.01 | 7.12 | 6.23 | 2.37 |
| 波形宽度/μs | 1.36 | 2.26 | 4.23 | 6.64 | 8.20 | 10.07 | 4.26 |
| 5.0 | 中心时间/μs | 0.98 | 2.65 | 3.87 | 6.56 | 8.68 | 10.42 | 14.98 |
| 时间偏差率/% | 3.28 | 8.87 | 12.95 | 21.95 | 29.05 | 34.87 | 50.13 |
| 电压幅值/mV | 410 | 320 | 250 | 180 | 130 | 90 | 60 |
| 电压偏差率/% | 12.17 | 9.50 | 7.42 | 5.34 | 3.86 | 2.67 | 1.78 |
| 波形宽度/μs | 1.28 | 2.13 | 3.67 | 6.44 | 8.16 | 9.98 | 4.26 |
| 10.0 | 中心时间/μs | 0.87 | 2.54 | 3.64 | 6.28 | 8.43 | 10.28 | 14.86 |
| 时间偏差率/% | 2.91 | 8.50 | 12.18 | 21.02 | 28.21 | 34.40 | 49.73 |
| 电压幅值/mV | 280 | 210 | 150 | 90 | 70 | 40 | 20 |
| 电压偏差率/% | 8.31 | 6.23 | 4.45 | 2.67 | 2.08 | 1.19 | 0.59 |
| 波形宽度/μs | 1.24 | 2.09 | 3.67 | 6.36 | 8.16 | 9.92 | 4.26 |
| 20.0 | 中心时间/μs | 0.84 | 2.48 | 3.52 | 6.19 | 8.29 | 10.21 | 14.77 |
| 时间偏差率/% | 2.81 | 8.30 | 11.78 | 20.72 | 27.74 | 34.17 | 49.43 |
| 电压幅值/mV | 200 | 130 | 100 | 70 | 50 | 20 | 5 |
| 电压偏差率/% | 5.93 | 3.86 | 2.97 | 2.08 | 1.48 | 0.59 | 0.15 |
| 波形宽度/μs | 1.22 | 2.09 | 3.67 | 6.32 | 8.12 | 9.92 | 4.26 |
), ArticleFig(id=1245055689190654660, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=表7, caption=
不同短路电阻值时的特征波形试验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 电阻值/Ω | 参数 | 线圈号 |
|---|
| 1# | 2# | 3# | 4# | 5# | 6# | 7# |
|---|
| 0.1 | 中心时间/μs | 1.17 | 3.01 | 4.74 | 7.14 | 9.13 | 11.61 | 15.56 |
| 时间偏差率/% | 3.92 | 10.07 | 15.86 | 23.9 | 30.56 | 37.12 | 52.07 |
| 电压幅值/mV | 570 | 510 | 340 | 270 | 240 | 210 | 80 |
| 电压偏差率/% | 16.91 | 15.13 | 10.09 | 8.01 | 7.12 | 6.23 | 2.37 |
| 波形宽度/μs | 1.36 | 2.26 | 4.23 | 6.64 | 8.20 | 10.07 | 4.26 |
| 5.0 | 中心时间/μs | 0.98 | 2.65 | 3.87 | 6.56 | 8.68 | 10.42 | 14.98 |
| 时间偏差率/% | 3.28 | 8.87 | 12.95 | 21.95 | 29.05 | 34.87 | 50.13 |
| 电压幅值/mV | 410 | 320 | 250 | 180 | 130 | 90 | 60 |
| 电压偏差率/% | 12.17 | 9.50 | 7.42 | 5.34 | 3.86 | 2.67 | 1.78 |
| 波形宽度/μs | 1.28 | 2.13 | 3.67 | 6.44 | 8.16 | 9.98 | 4.26 |
| 10.0 | 中心时间/μs | 0.87 | 2.54 | 3.64 | 6.28 | 8.43 | 10.28 | 14.86 |
| 时间偏差率/% | 2.91 | 8.50 | 12.18 | 21.02 | 28.21 | 34.40 | 49.73 |
| 电压幅值/mV | 280 | 210 | 150 | 90 | 70 | 40 | 20 |
| 电压偏差率/% | 8.31 | 6.23 | 4.45 | 2.67 | 2.08 | 1.19 | 0.59 |
| 波形宽度/μs | 1.24 | 2.09 | 3.67 | 6.36 | 8.16 | 9.92 | 4.26 |
| 20.0 | 中心时间/μs | 0.84 | 2.48 | 3.52 | 6.19 | 8.29 | 10.21 | 14.77 |
| 时间偏差率/% | 2.81 | 8.30 | 11.78 | 20.72 | 27.74 | 34.17 | 49.43 |
| 电压幅值/mV | 200 | 130 | 100 | 70 | 50 | 20 | 5 |
| 电压偏差率/% | 5.93 | 3.86 | 2.97 | 2.08 | 1.48 | 0.59 | 0.15 |
| 波形宽度/μs | 1.22 | 2.09 | 3.67 | 6.32 | 8.12 | 9.92 | 4.26 |
), ArticleFig(id=1245055689295512263, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Tab.8, caption=
Fitting parameters, figureFileSmall=null, figureFileBig=null, tableContent=
| 线圈号 | | | R2 |
|---|
| 1# | 561.61 | 0.059 8 | 0.963 3 |
| 2# | 502.53 | 0.062 5 | 0.972 7 |
| 3# | 341.67 | 0.069 4 | 0.968 5 |
| 4# | 270.01 | 0.087 0 | 0.936 0 |
| 5# | 237.71 | 0.109 6 | 0.950 7 |
| 6# | 212.25 | 0.164 4 | 0.989 1 |
| 7# | 84.78 | 0.112 4 | 0.907 3 |
), ArticleFig(id=1245055689375204039, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=表8, caption=
拟合参数值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 线圈号 | | | R2 |
|---|
| 1# | 561.61 | 0.059 8 | 0.963 3 |
| 2# | 502.53 | 0.062 5 | 0.972 7 |
| 3# | 341.67 | 0.069 4 | 0.968 5 |
| 4# | 270.01 | 0.087 0 | 0.936 0 |
| 5# | 237.71 | 0.109 6 | 0.950 7 |
| 6# | 212.25 | 0.164 4 | 0.989 1 |
| 7# | 84.78 | 0.112 4 | 0.907 3 |
), ArticleFig(id=1245055689454895816, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=EN, label=Tab.9, caption=
Fitting parameters, figureFileSmall=null, figureFileBig=null, tableContent=
| 电阻值/Ω | | | R2 |
|---|
| 0.1 | 696.97 | 0.117 | 0.956 6 |
| 5.0 | 471.91 | 0.151 | 0.995 0 |
| 10.0 | 334.58 | 0.201 | 0.993 0 |
| 20.0 | 233.04 | 0.216 | 0.982 2 |
), ArticleFig(id=1245055689538781898, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1241765089058034074, language=CN, label=表9, caption=
拟合参数值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 电阻值/Ω | | | R2 |
|---|
| 0.1 | 696.97 | 0.117 | 0.956 6 |
| 5.0 | 471.91 | 0.151 | 0.995 0 |
| 10.0 | 334.58 | 0.201 | 0.993 0 |
| 20.0 | 233.04 | 0.216 | 0.982 2 |
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