JPH0137697B2 - - Google Patents
Info
- Publication number
- JPH0137697B2 JPH0137697B2 JP55016809A JP1680980A JPH0137697B2 JP H0137697 B2 JPH0137697 B2 JP H0137697B2 JP 55016809 A JP55016809 A JP 55016809A JP 1680980 A JP1680980 A JP 1680980A JP H0137697 B2 JPH0137697 B2 JP H0137697B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- optical
- measuring device
- current measuring
- axis
- 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 26
- 239000000463 material Substances 0.000 claims description 20
- 239000013078 crystal Substances 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 7
- 239000010453 quartz Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 229910013641 LiNbO 3 Inorganic materials 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 230000010287 polarization Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003302 ferromagnetic material Substances 0.000 description 3
- 239000005355 lead glass Substances 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000013543 active substance Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005292 diamagnetic effect Effects 0.000 description 1
- 238000010291 electrical method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002902 ferrimagnetic material Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000382 optic material Substances 0.000 description 1
- 230000005298 paramagnetic effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- LAJZODKXOMJMPK-UHFFFAOYSA-N tellurium dioxide Chemical compound O=[Te]=O LAJZODKXOMJMPK-UHFFFAOYSA-N 0.000 description 1
- 238000012795 verification Methods 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)
- Measuring Magnetic Variables (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1680980A JPS56112657A (en) | 1980-02-13 | 1980-02-13 | Measuring device for current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1680980A JPS56112657A (en) | 1980-02-13 | 1980-02-13 | Measuring device for current |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56112657A JPS56112657A (en) | 1981-09-05 |
| JPH0137697B2 true JPH0137697B2 (enrdf_load_stackoverflow) | 1989-08-09 |
Family
ID=11926472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1680980A Granted JPS56112657A (en) | 1980-02-13 | 1980-02-13 | Measuring device for current |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56112657A (enrdf_load_stackoverflow) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57184974A (en) * | 1981-05-09 | 1982-11-13 | Mitsubishi Electric Corp | Photo measuring device |
| JPS58129372A (ja) * | 1982-01-29 | 1983-08-02 | Sumitomo Electric Ind Ltd | 磁界−光変換器 |
| JPS58191978A (ja) * | 1982-05-01 | 1983-11-09 | Ko Taketomi | 光に対する磁性流体の複屈折率を利用した磁場電気信号変換方法及び装置 |
| JPS5927266A (ja) * | 1982-08-05 | 1984-02-13 | Hitachi Cable Ltd | 偏波面保存光フアイバを用いた電流測定装置 |
| JPH0474972A (ja) * | 1990-07-16 | 1992-03-10 | Kyodo Denki Kenkyusho:Kk | プリント配線基板の光学的検査方法及びその装置 |
| DE10000306B4 (de) * | 2000-01-05 | 2012-05-24 | Abb Research Ltd. | Faseroptischer Stromsensor |
| WO2006022178A1 (ja) * | 2004-08-25 | 2006-03-02 | The Tokyo Electric Power Company, Incorporated | 光電流センサにおける温度依存性誤差の低減方法および光電流センサ装置 |
-
1980
- 1980-02-13 JP JP1680980A patent/JPS56112657A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56112657A (en) | 1981-09-05 |
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