JPH0365863B2 - - Google Patents
Info
- Publication number
- JPH0365863B2 JPH0365863B2 JP17320983A JP17320983A JPH0365863B2 JP H0365863 B2 JPH0365863 B2 JP H0365863B2 JP 17320983 A JP17320983 A JP 17320983A JP 17320983 A JP17320983 A JP 17320983A JP H0365863 B2 JPH0365863 B2 JP H0365863B2
- Authority
- JP
- Japan
- Prior art keywords
- ground fault
- optical fiber
- power cable
- point
- 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
- 239000013307 optical fiber Substances 0.000 claims description 28
- 238000001514 detection method Methods 0.000 claims description 6
- 230000005577 local transmission Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 9
- 230000002265 prevention Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005253 cladding Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000009532 heart rate measurement Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
Landscapes
- Locating Faults (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17320983A JPS6066139A (ja) | 1983-09-21 | 1983-09-21 | 地絡検出方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17320983A JPS6066139A (ja) | 1983-09-21 | 1983-09-21 | 地絡検出方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6066139A JPS6066139A (ja) | 1985-04-16 |
| JPH0365863B2 true JPH0365863B2 (enrdf_load_stackoverflow) | 1991-10-15 |
Family
ID=15956136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17320983A Granted JPS6066139A (ja) | 1983-09-21 | 1983-09-21 | 地絡検出方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6066139A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02131669U (enrdf_load_stackoverflow) * | 1989-04-07 | 1990-11-01 | ||
| JPH0758310B2 (ja) * | 1989-04-07 | 1995-06-21 | 東京電力株式会社 | 架空送電線の故障点検知方法 |
-
1983
- 1983-09-21 JP JP17320983A patent/JPS6066139A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6066139A (ja) | 1985-04-16 |
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