CN103941159B - 混合线路故障测距方法 - Google Patents
混合线路故障测距方法 Download PDFInfo
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- CN103941159B CN103941159B CN201410175720.1A CN201410175720A CN103941159B CN 103941159 B CN103941159 B CN 103941159B CN 201410175720 A CN201410175720 A CN 201410175720A CN 103941159 B CN103941159 B CN 103941159B
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005259 measurement Methods 0.000 claims description 39
- 238000004891 communication Methods 0.000 claims description 7
- 230000004807 localization Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 6
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- 238000004364 calculation method Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/265—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured making use of travelling wave theory
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Locating Faults (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
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CN201410175720.1A CN103941159B (zh) | 2014-04-28 | 2014-04-28 | 混合线路故障测距方法 |
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CN201410175720.1A CN103941159B (zh) | 2014-04-28 | 2014-04-28 | 混合线路故障测距方法 |
Publications (2)
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CN103941159A CN103941159A (zh) | 2014-07-23 |
CN103941159B true CN103941159B (zh) | 2017-02-01 |
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CN201410175720.1A Active CN103941159B (zh) | 2014-04-28 | 2014-04-28 | 混合线路故障测距方法 |
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105137293B (zh) * | 2015-09-24 | 2016-04-20 | 国网技术学院 | 一种配电网混合线路中故障点的定位方法 |
CN105301440A (zh) * | 2015-10-12 | 2016-02-03 | 深圳供电局有限公司 | 一种线缆混合输电线路双端行波测距的方法和系统 |
EP3685172A1 (en) * | 2017-09-22 | 2020-07-29 | Schweitzer Engineering Laboratories, Inc. | Improved accuracy of event locating on powerlines based on field data |
CN109298282B (zh) * | 2017-12-12 | 2021-05-07 | 上海创远仪器技术股份有限公司 | 一种多类型电缆连接系统精确故障定位的方法 |
CN107991582A (zh) * | 2017-12-14 | 2018-05-04 | 国网福建省电力有限公司 | 一种电缆故障定位装置及方法 |
CN110441649B (zh) * | 2019-06-27 | 2021-10-08 | 国网福建省电力有限公司福州供电公司 | 一种架空-电缆混合线路故障快速定位装及定位方法 |
CN110658420B (zh) * | 2019-11-01 | 2020-11-24 | 国网江苏省电力有限公司徐州供电分公司 | 一种混合输电线路双端行波故障测距方法 |
CN111562465B (zh) * | 2020-05-25 | 2022-06-07 | 国网上海市电力公司 | 一种基于故障录波的高压配网混合线路故障测距方法 |
CN111596226A (zh) * | 2020-07-06 | 2020-08-28 | 云南电网有限责任公司怒江供电局 | 一种配电网接地故障定位方法及系统 |
CN111999597B (zh) * | 2020-08-24 | 2023-01-24 | 国网陕西省电力公司电力科学研究院 | 一种混合输电线路的行波故障定位装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4063165A (en) * | 1975-06-06 | 1977-12-13 | Bbc Brown Boveri & Company Limited | Apparatus for localization of a line fault by using traveling wave signals especially for locating faults both near and far from a measuring location |
CN101930048A (zh) * | 2010-01-08 | 2010-12-29 | 山东理工大学 | B型架空线—电缆混合线路行波故障定位方法 |
CN102508109A (zh) * | 2011-09-30 | 2012-06-20 | 山东理工大学 | 高压架空线-电缆混合线路组合行波故障测距方法 |
CN103383428A (zh) * | 2013-07-09 | 2013-11-06 | 上海驹电电气科技有限公司 | 一种架空线电缆混合线路双端行波故障测距方法 |
CN103424667A (zh) * | 2013-08-05 | 2013-12-04 | 昆明理工大学 | 一种线缆混合线路故障波到时序测后模拟匹配的测距方法 |
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2014
- 2014-04-28 CN CN201410175720.1A patent/CN103941159B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4063165A (en) * | 1975-06-06 | 1977-12-13 | Bbc Brown Boveri & Company Limited | Apparatus for localization of a line fault by using traveling wave signals especially for locating faults both near and far from a measuring location |
CN101930048A (zh) * | 2010-01-08 | 2010-12-29 | 山东理工大学 | B型架空线—电缆混合线路行波故障定位方法 |
CN102508109A (zh) * | 2011-09-30 | 2012-06-20 | 山东理工大学 | 高压架空线-电缆混合线路组合行波故障测距方法 |
CN103383428A (zh) * | 2013-07-09 | 2013-11-06 | 上海驹电电气科技有限公司 | 一种架空线电缆混合线路双端行波故障测距方法 |
CN103424667A (zh) * | 2013-08-05 | 2013-12-04 | 昆明理工大学 | 一种线缆混合线路故障波到时序测后模拟匹配的测距方法 |
Non-Patent Citations (1)
Title |
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电缆-架空线混合线路故障行波定位及自适应重合闸控制;逮怀东 等;《电力科学与技术学报》;20131231;第28卷(第4期);正文第33页第1栏第2段-第34页第1栏第1段及图2、表1 * |
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CN103941159A (zh) | 2014-07-23 |
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Application publication date: 20140723 Assignee: ZHEJIANG ZHOUSHAN QIMING POWER CONSTRUCTION CO., LTD. Assignor: ZHOUSHAN POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER COMPANY Contract record no.: 2017330000131 Denomination of invention: Cable hybrid line fault distance measuring method for k-NN algorithm based on waveform similarity Granted publication date: 20170201 License type: Common License Record date: 20170914 |