CN110726909A - 一种配电网电缆中间接头受潮程度的监测和判断方法 - Google Patents
一种配电网电缆中间接头受潮程度的监测和判断方法 Download PDFInfo
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- CN110726909A CN110726909A CN201911062575.5A CN201911062575A CN110726909A CN 110726909 A CN110726909 A CN 110726909A CN 201911062575 A CN201911062575 A CN 201911062575A CN 110726909 A CN110726909 A CN 110726909A
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- Prior art keywords
- cable
- intermediate joint
- delta
- monitoring
- joint
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Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 23
- 238000012806 monitoring device Methods 0.000 claims abstract description 14
- 210000001503 joint Anatomy 0.000 claims abstract description 5
- 238000012360 testing method Methods 0.000 claims description 6
- 238000011156 evaluation Methods 0.000 claims description 5
- 238000009736 wetting Methods 0.000 abstract description 5
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 6
- 229920003020 cross-linked polyethylene Polymers 0.000 description 5
- 239000004703 cross-linked polyethylene Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 240000005572 Syzygium cordatum Species 0.000 description 1
- 235000006650 Syzygium cordatum Nutrition 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911062575.5A CN110726909B (zh) | 2019-11-03 | 2019-11-03 | 一种配电网电缆中间接头受潮程度的监测和判断方法 |
Applications Claiming Priority (1)
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CN201911062575.5A CN110726909B (zh) | 2019-11-03 | 2019-11-03 | 一种配电网电缆中间接头受潮程度的监测和判断方法 |
Publications (2)
Publication Number | Publication Date |
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CN110726909A true CN110726909A (zh) | 2020-01-24 |
CN110726909B CN110726909B (zh) | 2020-07-28 |
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CN201911062575.5A Active CN110726909B (zh) | 2019-11-03 | 2019-11-03 | 一种配电网电缆中间接头受潮程度的监测和判断方法 |
Country Status (1)
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112858853A (zh) * | 2021-01-27 | 2021-05-28 | 广东工业大学 | 一种酸性环境下车载epr电缆受潮程度实验与检测方法 |
CN113324703A (zh) * | 2021-06-03 | 2021-08-31 | 国网四川省电力公司成都供电公司 | 一种电缆接头进水受潮的在线监测方法 |
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US7501978B2 (en) * | 2005-11-09 | 2009-03-10 | Novatel Inc. | Short-distance ranging system |
CN102664380A (zh) * | 2012-04-19 | 2012-09-12 | 中天科技海缆有限公司 | 220kV交联聚乙烯海底电缆软接头及其制作方法 |
JP5282221B2 (ja) * | 2008-07-10 | 2013-09-04 | 阪和電子工業株式会社 | 減衰矩形波電圧発生回路 |
CN104407270A (zh) * | 2014-12-04 | 2015-03-11 | 国家电网公司 | 一种10~35kV配电网中电缆接头的故障在线监测装置及其评估系统状态的方法 |
GB2528448A (en) * | 2014-07-21 | 2016-01-27 | Zethon Ltd | Method and apparatus for testing dielectric insulation integrity of a device |
CN205484566U (zh) * | 2016-03-28 | 2016-08-17 | 西安同创电力设备自动控制工程有限公司 | 一种高压柜绝缘电阻检测装置 |
CN106291122A (zh) * | 2016-08-04 | 2017-01-04 | 广东电网有限责任公司电力科学研究院 | 一种油浸式电容型套管进水受潮缺陷的测试方法及系统 |
CN107505542A (zh) * | 2017-07-25 | 2017-12-22 | 上海电力学院 | 基于去极化电流法检测xlpe电缆老化程度的测量方法 |
CN208847812U (zh) * | 2018-08-23 | 2019-05-10 | 武汉脉源电气有限公司 | 基于pdc法的xlpe电缆绝缘水树老化诊断结构 |
CN109917254A (zh) * | 2019-04-27 | 2019-06-21 | 西南交通大学 | 一种油浸式套管内绝缘受潮的频域介电谱建模方法 |
-
2019
- 2019-11-03 CN CN201911062575.5A patent/CN110726909B/zh active Active
Patent Citations (10)
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---|---|---|---|---|
US7501978B2 (en) * | 2005-11-09 | 2009-03-10 | Novatel Inc. | Short-distance ranging system |
JP5282221B2 (ja) * | 2008-07-10 | 2013-09-04 | 阪和電子工業株式会社 | 減衰矩形波電圧発生回路 |
CN102664380A (zh) * | 2012-04-19 | 2012-09-12 | 中天科技海缆有限公司 | 220kV交联聚乙烯海底电缆软接头及其制作方法 |
GB2528448A (en) * | 2014-07-21 | 2016-01-27 | Zethon Ltd | Method and apparatus for testing dielectric insulation integrity of a device |
CN104407270A (zh) * | 2014-12-04 | 2015-03-11 | 国家电网公司 | 一种10~35kV配电网中电缆接头的故障在线监测装置及其评估系统状态的方法 |
CN205484566U (zh) * | 2016-03-28 | 2016-08-17 | 西安同创电力设备自动控制工程有限公司 | 一种高压柜绝缘电阻检测装置 |
CN106291122A (zh) * | 2016-08-04 | 2017-01-04 | 广东电网有限责任公司电力科学研究院 | 一种油浸式电容型套管进水受潮缺陷的测试方法及系统 |
CN107505542A (zh) * | 2017-07-25 | 2017-12-22 | 上海电力学院 | 基于去极化电流法检测xlpe电缆老化程度的测量方法 |
CN208847812U (zh) * | 2018-08-23 | 2019-05-10 | 武汉脉源电气有限公司 | 基于pdc法的xlpe电缆绝缘水树老化诊断结构 |
CN109917254A (zh) * | 2019-04-27 | 2019-06-21 | 西南交通大学 | 一种油浸式套管内绝缘受潮的频域介电谱建模方法 |
Non-Patent Citations (2)
Title |
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R. NEIMANIS等: "Diagnosis of moisture in oil/paper distribution Cables - Part II: Water penetration in cable insulation - experiment and modeling", 《 IEEE TRANSACTIONS ON POWER DELIVERY》 * |
袁野等: "10kV XLPE电缆受潮绝缘特性研究", 《电网技术》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112858853A (zh) * | 2021-01-27 | 2021-05-28 | 广东工业大学 | 一种酸性环境下车载epr电缆受潮程度实验与检测方法 |
CN113324703A (zh) * | 2021-06-03 | 2021-08-31 | 国网四川省电力公司成都供电公司 | 一种电缆接头进水受潮的在线监测方法 |
CN113324703B (zh) * | 2021-06-03 | 2022-12-02 | 国网四川省电力公司成都供电公司 | 一种电缆接头进水受潮的在线监测方法 |
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CN110726909B (zh) | 2020-07-28 |
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