Article(id=1223201267309199610, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221373, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1656950400000, receivedDateStr=2022-07-05, revisedDate=1664208000000, revisedDateStr=2022-09-27, acceptedDate=null, acceptedDateStr=null, onlineDate=1769563508107, onlineDateStr=2026-01-28, pubDate=1690214400000, pubDateStr=2023-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769563508107, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769563508107, creator=13701087609, updateTime=1769563508107, updator=13701087609, issue=Issue{id=1223201250133524577, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='7', 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=1769563504012, creator=13701087609, updateTime=1769563583713, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223201584469885927, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223201584469885928, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223201250133524577, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=213, endPage=217, ext={EN=ArticleExt(id=1223201272690491871, articleId=1223201267309199610, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Technology and Application for Cable Fault Location Based on Cross-correlation Function of Traveling Waves, columnId=1222940986234364233, journalTitle=Water Resources and Power, columnName=ELECTRICAL ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

Long distance and concealment of underground cable in hydropower station result in difficulties in cable fault location. Due to the simple wiring, the impulse high-voltage flashover method is commonly used to locate cable faults, which needs technicians with rich waveform analysis experience to locate fault accurately. For the above situation, by studying the fault positioning principle and waveform analysis method of impact high voltage flashover, a cable fault location technology based on traveling wave cross-correlation method was proposed. The simulation analysis results show that the proposed method can effectively realize automatic cable fault location. Finally, the analysis steps and procedures of power cable fault location has been practiced in Houziyan Power Generation in Dadu River and realized high-precision positioning of 10 kV cable fault point, which reduced the cable fault locating workload and working hours while improving the efficiency of cable fault location.

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水电站电缆距离长、地下敷设的隐蔽性导致电缆故障查找困难,目前常用冲击高压闪络法等进行电缆故障测距,其接线简单,但波形分析难度较大,需有丰富波形分析经验的人员才能较准确定位。对此,通过研究冲击高压闪络法电缆故障定位原理及波形分析方法,建立了一种行波互相关法的电缆故障定位模型,仿真结果表明该模型能有效实现电缆故障的自动定位,并将该模型应用于大渡河猴子岩水电站生产实践中进行验证,实现了10 kV电缆故障点高精度定位,减少了电缆故障查找工作量及时长,提高了电缆故障定位效率。

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宋柯(1969-),男,高级工程师,研究方向为水电站技术与管理,E-mail:

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宋柯(1969-),男,高级工程师,研究方向为水电站技术与管理,E-mail:

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基于行波互相关法的电力电缆故障定位技术及应用
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宋柯 1, 2 , 王乐宁 1, 2 , 唐诗 1, 2 , 邱华 1, 2 , 刘育 2
水电能源科学 | 电气工程 2023,41(7): 213-217
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水电能源科学 | 电气工程 2023, 41(7): 213-217
基于行波互相关法的电力电缆故障定位技术及应用
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宋柯1, 2 , 王乐宁1, 2, 唐诗1, 2, 邱华1, 2, 刘育2
作者信息
  • 1.国能大渡河猴子岩发电有限公司,四川 甘孜 626100
  • 2.国能大渡河流域水电开发有限公司,四川 成都 610041
  • 宋柯(1969-),男,高级工程师,研究方向为水电站技术与管理,E-mail:

Technology and Application for Cable Fault Location Based on Cross-correlation Function of Traveling Waves
Ke SONG1, 2 , Le-ning WANG1, 2, Shi TANG1, 2, Hua QIU1, 2, Yu LIU2
Affiliations
  • 1.CHN Energy Dadu River Houziyan Power Generation Co., Ltd., Ganzi 626100, China
  • 2.CHN Energy Dadu River Hydropower Development Co., Ltd., Chengdu 610041, China
出版时间: 2023-07-25 doi: 10.20040/j.cnki.1000-7709.2023.20221373
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水电站电缆距离长、地下敷设的隐蔽性导致电缆故障查找困难,目前常用冲击高压闪络法等进行电缆故障测距,其接线简单,但波形分析难度较大,需有丰富波形分析经验的人员才能较准确定位。对此,通过研究冲击高压闪络法电缆故障定位原理及波形分析方法,建立了一种行波互相关法的电缆故障定位模型,仿真结果表明该模型能有效实现电缆故障的自动定位,并将该模型应用于大渡河猴子岩水电站生产实践中进行验证,实现了10 kV电缆故障点高精度定位,减少了电缆故障查找工作量及时长,提高了电缆故障定位效率。

电力电缆  /  互相关法  /  行波  /  故障定位

Long distance and concealment of underground cable in hydropower station result in difficulties in cable fault location. Due to the simple wiring, the impulse high-voltage flashover method is commonly used to locate cable faults, which needs technicians with rich waveform analysis experience to locate fault accurately. For the above situation, by studying the fault positioning principle and waveform analysis method of impact high voltage flashover, a cable fault location technology based on traveling wave cross-correlation method was proposed. The simulation analysis results show that the proposed method can effectively realize automatic cable fault location. Finally, the analysis steps and procedures of power cable fault location has been practiced in Houziyan Power Generation in Dadu River and realized high-precision positioning of 10 kV cable fault point, which reduced the cable fault locating workload and working hours while improving the efficiency of cable fault location.

power cable  /  cross-correlation function  /  traveling waves  /  fault location
宋柯, 王乐宁, 唐诗, 邱华, 刘育. 基于行波互相关法的电力电缆故障定位技术及应用. 水电能源科学, 2023 , 41 (7) : 213 -217 . DOI: 10.20040/j.cnki.1000-7709.2023.20221373
Ke SONG, Le-ning WANG, Shi TANG, Hua QIU, Yu LIU. Technology and Application for Cable Fault Location Based on Cross-correlation Function of Traveling Waves[J]. Water Resources and Power, 2023 , 41 (7) : 213 -217 . DOI: 10.20040/j.cnki.1000-7709.2023.20221373
  • 国家电网有限公司科技项目(524625180023)
  • 国家能源集团科技创新项目(GJNY-19-69)
2023年第41卷第7期
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doi: 10.20040/j.cnki.1000-7709.2023.20221373
  • 接收时间:2022-07-05
  • 首发时间:2026-01-28
  • 出版时间:2023-07-25
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  • 收稿日期:2022-07-05
  • 修回日期:2022-09-27
基金
国家电网有限公司科技项目(524625180023)
国家能源集团科技创新项目(GJNY-19-69)
作者信息
    1.国能大渡河猴子岩发电有限公司,四川 甘孜 626100
    2.国能大渡河流域水电开发有限公司,四川 成都 610041
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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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