JPH0436329B2 - - Google Patents
Info
- Publication number
- JPH0436329B2 JPH0436329B2 JP60244104A JP24410485A JPH0436329B2 JP H0436329 B2 JPH0436329 B2 JP H0436329B2 JP 60244104 A JP60244104 A JP 60244104A JP 24410485 A JP24410485 A JP 24410485A JP H0436329 B2 JPH0436329 B2 JP H0436329B2
- Authority
- JP
- Japan
- Prior art keywords
- current
- fault point
- cable
- current transformer
- submarine cable
- 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
Links
- 230000003287 optical effect Effects 0.000 claims description 43
- 239000004020 conductor Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 4
- 238000005314 correlation function Methods 0.000 claims description 3
- 230000008439 repair process Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Locating Faults (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60244104A JPS62105058A (ja) | 1985-11-01 | 1985-11-01 | 光海底ケ−ブルの障害点検出方式 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60244104A JPS62105058A (ja) | 1985-11-01 | 1985-11-01 | 光海底ケ−ブルの障害点検出方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62105058A JPS62105058A (ja) | 1987-05-15 |
| JPH0436329B2 true JPH0436329B2 (ru) | 1992-06-15 |
Family
ID=17113810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60244104A Granted JPS62105058A (ja) | 1985-11-01 | 1985-11-01 | 光海底ケ−ブルの障害点検出方式 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62105058A (ru) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5305410A (en) * | 1993-02-02 | 1994-04-19 | At&T Bell Laboratories | Dielectric optical fiber cables which are magnetically locatable |
| US5305411A (en) * | 1993-02-26 | 1994-04-19 | At&T Bell Laboratories | Dielectric optical fiber cables which are magnetically locatable |
| CN107037311A (zh) * | 2016-10-27 | 2017-08-11 | 国家电网公司 | 一种变压器绕组匝间绝缘故障诊断方法与装置 |
| CN112305378B (zh) * | 2020-10-21 | 2023-05-30 | 中国科学院声学研究所南海研究站 | 一种光电复合海缆故障测距系统及故障测距方法 |
-
1985
- 1985-11-01 JP JP60244104A patent/JPS62105058A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62105058A (ja) | 1987-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0629866B1 (en) | Method for locating faults in an electric power cable line | |
| CA2208994C (en) | Cable partial discharge location pointer | |
| US4438389A (en) | Method for utilizing three-dimensional radiated magnetic field gradients for detecting serving faults in buried cables | |
| US4325022A (en) | Cable shield fault location using a capacitive-inductive coupler | |
| US4471294A (en) | Electrical conduit defect location | |
| Harrold | Acoustic waveguides for sensing and locating electrical discharges in high voltage power transformers and other apparatus | |
| US3375511A (en) | Transmission line intruder detection system | |
| US8554499B2 (en) | Methods, device and installation for locating a defect in an electric link | |
| JPH0436329B2 (ru) | ||
| JPH0436330B2 (ru) | ||
| JP3400255B2 (ja) | 配管設備の異常検出方法及び異常診断装置 | |
| JP5089503B2 (ja) | ケーブル探査方法及びケーブル探査装置 | |
| GB2057147A (en) | Detecting Faults in Buried Cables | |
| JPH1090337A (ja) | ケーブルの劣化測定方法 | |
| JP3308157B2 (ja) | ケーブル探知装置 | |
| SU1160337A1 (ru) | Способ определения расстояния до места повреждения металлической оболочки кабеля | |
| WO2024026552A1 (en) | Intrusion detectors, and related systems and methods | |
| US2931975A (en) | Fault location in electrical cables | |
| Kojima | Optimization of pulse width for electric time domain reflectometry for fault point localization of power feeding lines of optical submarine cables | |
| SU1150588A1 (ru) | Способ обнаружени места повреждени металлической оболочки кабел | |
| JPH1090343A (ja) | ケーブルの劣化測定方法 | |
| SU1285409A1 (ru) | Способ обнаружени места повреждени металлической оболочки кабел | |
| KULIKOV et al. | Methods for the implementation of automatic reclosing on combined overhead and underground cable power lines 110-500 kV. | |
| SU1644053A1 (ru) | Магнитоприемник дл обнаружени места замыкани на оболочку электрического кабел | |
| JPH1090342A (ja) | 電力ケーブルの劣化測定方法 |