JPH0220073B2 - - Google Patents
Info
- Publication number
- JPH0220073B2 JPH0220073B2 JP9905282A JP9905282A JPH0220073B2 JP H0220073 B2 JPH0220073 B2 JP H0220073B2 JP 9905282 A JP9905282 A JP 9905282A JP 9905282 A JP9905282 A JP 9905282A JP H0220073 B2 JPH0220073 B2 JP H0220073B2
- Authority
- JP
- Japan
- Prior art keywords
- microlens
- polarization
- light wave
- beam splitter
- optical fiber
- 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 27
- 230000010287 polarization Effects 0.000 claims description 26
- 239000013307 optical fiber Substances 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 208000019300 CLIPPERS Diseases 0.000 description 2
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
- G01R15/245—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect
- G01R15/246—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect based on the Faraday, i.e. linear magneto-optic, effect
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Locating Faults (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9905282A JPS58215569A (ja) | 1982-06-09 | 1982-06-09 | 落雷区間検知方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9905282A JPS58215569A (ja) | 1982-06-09 | 1982-06-09 | 落雷区間検知方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58215569A JPS58215569A (ja) | 1983-12-15 |
| JPH0220073B2 true JPH0220073B2 (enrdf_load_stackoverflow) | 1990-05-08 |
Family
ID=14236816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9905282A Granted JPS58215569A (ja) | 1982-06-09 | 1982-06-09 | 落雷区間検知方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58215569A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60201269A (ja) * | 1984-03-27 | 1985-10-11 | Central Res Inst Of Electric Power Ind | 光センサによる送配電線の事故点検出方法 |
| JPH0668534B2 (ja) * | 1985-06-10 | 1994-08-31 | 日立電線株式会社 | 送電線路の事故区間標定装置 |
| CN104914297B (zh) * | 2015-06-02 | 2017-07-14 | 北京市燃气集团有限责任公司 | 一种雷电流参数检测设备及监测定位方法 |
-
1982
- 1982-06-09 JP JP9905282A patent/JPS58215569A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58215569A (ja) | 1983-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8233755B2 (en) | Securing an optical communications network path by suppression of learned ambient disturbances | |
| JPH0783792A (ja) | 光ファイバの擾乱の発生を検出する装置 | |
| US7142737B1 (en) | Intrusion detection system for use on single mode optical fiber using a storage register for data | |
| US20110115469A1 (en) | Optical fiber electric current sensor, electric current measurement method, and fault zone detection apparatus | |
| US11073414B2 (en) | Optical fiber detection device for detecting discharge fault of high-voltage bushing | |
| JPH06307896A (ja) | 分布型導波路センサ | |
| JPH0220073B2 (enrdf_load_stackoverflow) | ||
| JP2002152937A (ja) | 異常信号監視装置 | |
| WO1998008119A3 (en) | Method and apparatus for accurately fabricating a depolarizer | |
| JP3759798B2 (ja) | 落雷点標定方法 | |
| JP3303362B2 (ja) | 光ケーブルの識別方法 | |
| CN206649621U (zh) | 光纤周界安防系统 | |
| JP3457074B2 (ja) | 送電線落雷点標定方法および装置 | |
| CN101383072B (zh) | 一种全光纤安全防卫传感器 | |
| JPH0398214A (ja) | 光ファイバ複合架空地線と架空送電線の事故点検出方法 | |
| JPH03578B2 (enrdf_load_stackoverflow) | ||
| JPS6014137A (ja) | 光フアイバ破断点標定方式 | |
| CN205139230U (zh) | 光纤电流传感器 | |
| JPS60131475A (ja) | 故障点標定装置 | |
| JPS63313030A (ja) | 光ファイバ試験装置 | |
| JP2537381Y2 (ja) | 長尺電力ケーブル線路の事故区間検出装置 | |
| JPS59131177A (ja) | 送電線故障位置検出装置 | |
| Zheng et al. | Detection and Localization of Simulated Lightning Strikes Induced Ultra Rapid Polarization Rotation Using the Coherent Receivers | |
| JPS61170224A (ja) | 架空送電線路の事故点検出方法及び装置 | |
| JPS59102105A (ja) | 電力送電線の断線距離検出装置 |