JPH0535390B2 - - Google Patents
Info
- Publication number
- JPH0535390B2 JPH0535390B2 JP59171727A JP17172784A JPH0535390B2 JP H0535390 B2 JPH0535390 B2 JP H0535390B2 JP 59171727 A JP59171727 A JP 59171727A JP 17172784 A JP17172784 A JP 17172784A JP H0535390 B2 JPH0535390 B2 JP H0535390B2
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- deterioration
- insulation
- insulating layer
- time
- 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
- 230000006866 deterioration Effects 0.000 claims description 32
- 239000013307 optical fiber Substances 0.000 claims description 31
- 238000009413 insulation Methods 0.000 claims description 24
- 238000002834 transmittance Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000012806 monitoring device Methods 0.000 claims description 7
- 239000012212 insulator Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 description 8
- 239000004020 conductor Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010998 test method Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229920002574 CR-39 Polymers 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- NNWNNQTUZYVQRK-UHFFFAOYSA-N 5-bromo-1h-pyrrolo[2,3-c]pyridine-2-carboxylic acid Chemical compound BrC1=NC=C2NC(C(=O)O)=CC2=C1 NNWNNQTUZYVQRK-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
Landscapes
- Testing Relating To Insulation (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17172784A JPS6148772A (ja) | 1984-08-17 | 1984-08-17 | 絶縁監視装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17172784A JPS6148772A (ja) | 1984-08-17 | 1984-08-17 | 絶縁監視装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6148772A JPS6148772A (ja) | 1986-03-10 |
| JPH0535390B2 true JPH0535390B2 (es) | 1993-05-26 |
Family
ID=15928554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17172784A Granted JPS6148772A (ja) | 1984-08-17 | 1984-08-17 | 絶縁監視装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6148772A (es) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS498296A (es) * | 1972-05-11 | 1974-01-24 | ||
| JPS51143369A (en) * | 1975-06-04 | 1976-12-09 | Hitachi Ltd | Detection method of dielectric deterioration of electric appliances |
| JPS572431B2 (es) * | 1978-04-07 | 1982-01-16 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6038202Y2 (ja) * | 1980-06-05 | 1985-11-14 | 日立電線株式会社 | 光フアイバを用いた温度センサ |
-
1984
- 1984-08-17 JP JP17172784A patent/JPS6148772A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS498296A (es) * | 1972-05-11 | 1974-01-24 | ||
| JPS51143369A (en) * | 1975-06-04 | 1976-12-09 | Hitachi Ltd | Detection method of dielectric deterioration of electric appliances |
| JPS572431B2 (es) * | 1978-04-07 | 1982-01-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6148772A (ja) | 1986-03-10 |
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