JPH0528350B2 - - Google Patents
Info
- Publication number
- JPH0528350B2 JPH0528350B2 JP60151329A JP15132985A JPH0528350B2 JP H0528350 B2 JPH0528350 B2 JP H0528350B2 JP 60151329 A JP60151329 A JP 60151329A JP 15132985 A JP15132985 A JP 15132985A JP H0528350 B2 JPH0528350 B2 JP H0528350B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- cable
- deterioration
- water tree
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 240000005572 Syzygium cordatum Species 0.000 claims description 20
- 235000006650 Syzygium cordatum Nutrition 0.000 claims description 20
- 230000006866 deterioration Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 9
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 7
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 7
- 239000012212 insulator Substances 0.000 description 8
- 238000002405 diagnostic procedure Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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 Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Testing Relating To Insulation (AREA)
- Manufacturing Of Electric Cables (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60151329A JPS6214072A (ja) | 1985-07-11 | 1985-07-11 | 架橋ポリエチレン電力ケ−ブルの絶縁劣化診断方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60151329A JPS6214072A (ja) | 1985-07-11 | 1985-07-11 | 架橋ポリエチレン電力ケ−ブルの絶縁劣化診断方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6214072A JPS6214072A (ja) | 1987-01-22 |
| JPH0528350B2 true JPH0528350B2 (fr) | 1993-04-26 |
Family
ID=15516217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60151329A Granted JPS6214072A (ja) | 1985-07-11 | 1985-07-11 | 架橋ポリエチレン電力ケ−ブルの絶縁劣化診断方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6214072A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0373238A (ja) * | 1989-08-11 | 1991-03-28 | Seiko Instr Inc | 自動組立システム |
| JP5349036B2 (ja) * | 2008-12-25 | 2013-11-20 | 中国電力株式会社 | 絶縁診断システム |
| CN105425127B (zh) * | 2015-12-16 | 2017-12-15 | 国家电网公司 | 一种有机材料绝缘件表面漏电起痕的分析计算方法 |
| CN114089108B (zh) * | 2021-11-17 | 2022-08-02 | 广东电网有限责任公司广州供电局 | 一种电缆护层缺陷识别方法、装置、设备和可读存储介质 |
-
1985
- 1985-07-11 JP JP60151329A patent/JPS6214072A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6214072A (ja) | 1987-01-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |