CN110045239B - 一种运行状态下电缆终端异常发热检测处理及诊断方法 - Google Patents
一种运行状态下电缆终端异常发热检测处理及诊断方法 Download PDFInfo
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- CN110045239B CN110045239B CN201910297651.4A CN201910297651A CN110045239B CN 110045239 B CN110045239 B CN 110045239B CN 201910297651 A CN201910297651 A CN 201910297651A CN 110045239 B CN110045239 B CN 110045239B
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- 230000002159 abnormal effect Effects 0.000 title claims abstract description 65
- 238000012545 processing Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000012360 testing method Methods 0.000 claims abstract description 45
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 230000006378 damage Effects 0.000 claims abstract description 19
- 238000005057 refrigeration Methods 0.000 claims description 64
- 238000001514 detection method Methods 0.000 claims description 10
- 238000003745 diagnosis Methods 0.000 claims description 4
- 238000009529 body temperature measurement Methods 0.000 claims description 3
- 206010037660 Pyrexia Diseases 0.000 claims 2
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- 210000001503 joint Anatomy 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 12
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- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
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- 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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
-
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
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Application Number | Priority Date | Filing Date | Title |
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CN201910297651.4A CN110045239B (zh) | 2019-04-15 | 2019-04-15 | 一种运行状态下电缆终端异常发热检测处理及诊断方法 |
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CN201910297651.4A CN110045239B (zh) | 2019-04-15 | 2019-04-15 | 一种运行状态下电缆终端异常发热检测处理及诊断方法 |
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CN110045239A CN110045239A (zh) | 2019-07-23 |
CN110045239B true CN110045239B (zh) | 2020-04-24 |
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CN201910297651.4A Active CN110045239B (zh) | 2019-04-15 | 2019-04-15 | 一种运行状态下电缆终端异常发热检测处理及诊断方法 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110726910A (zh) * | 2019-11-03 | 2020-01-24 | 西南交通大学 | 一种中高压电力电缆终端水分侵入检测装置 |
CN117949786B (zh) * | 2023-12-06 | 2024-08-06 | 西南交通大学 | 一种基于温度分布因子的电缆沟敷设110kV电缆绝缘损伤状态评估方法 |
Family Cites Families (4)
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DE102011079935B4 (de) * | 2011-07-27 | 2014-02-13 | Tyco Electronics Raychem Gmbh | Überwachungsvorrichtung für eine Kabelmuffe und Kabelmuffe mit Überwachungsvorrichtung |
CN107064763B (zh) * | 2017-05-29 | 2018-11-30 | 西南交通大学 | 极大温差下车载电缆终端局部放电实验系统与方法 |
CN107843783A (zh) * | 2017-10-26 | 2018-03-27 | 广州供电局有限公司 | 电力电缆应急负荷载流量的检测方法和系统 |
CN109188215B (zh) * | 2018-08-22 | 2019-08-06 | 西南交通大学 | 一种乙丙橡胶电缆终端绝缘层不同劣化故障模拟和测试方法 |
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Effective date of registration: 20241009 Address after: 230000 B-1015, wo Yuan Garden, 81 Ganquan Road, Shushan District, Hefei, Anhui. Patentee after: HEFEI MINGLONG ELECTRONIC TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 611756 Research Institute of Science and Technology Development, Southwest Jiaotong University, Chengdu High-tech Zone, Sichuan Province Patentee before: SOUTHWEST JIAOTONG University Country or region before: China |
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