JPS58216964A - 衝撃電流発生検知装置 - Google Patents
衝撃電流発生検知装置Info
- Publication number
- JPS58216964A JPS58216964A JP57101062A JP10106282A JPS58216964A JP S58216964 A JPS58216964 A JP S58216964A JP 57101062 A JP57101062 A JP 57101062A JP 10106282 A JP10106282 A JP 10106282A JP S58216964 A JPS58216964 A JP S58216964A
- Authority
- JP
- Japan
- Prior art keywords
- light
- beam splitter
- polarization
- microlens
- output light
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title claims description 17
- 230000035939 shock Effects 0.000 title abstract description 6
- 239000013307 optical fiber Substances 0.000 claims abstract description 19
- 230000010287 polarization Effects 0.000 claims abstract description 16
- 239000004065 semiconductor Substances 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 2
- 230000003111 delayed effect Effects 0.000 abstract 2
- 230000001681 protective effect Effects 0.000 abstract 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000010959 steel 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
- G01R15/22—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-emitting devices, e.g. LED, optocouplers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Locating Faults (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57101062A JPS58216964A (ja) | 1982-06-11 | 1982-06-11 | 衝撃電流発生検知装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57101062A JPS58216964A (ja) | 1982-06-11 | 1982-06-11 | 衝撃電流発生検知装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58216964A true JPS58216964A (ja) | 1983-12-16 |
JPH03578B2 JPH03578B2 (enrdf_load_stackoverflow) | 1991-01-08 |
Family
ID=14290620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57101062A Granted JPS58216964A (ja) | 1982-06-11 | 1982-06-11 | 衝撃電流発生検知装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58216964A (enrdf_load_stackoverflow) |
-
1982
- 1982-06-11 JP JP57101062A patent/JPS58216964A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH03578B2 (enrdf_load_stackoverflow) | 1991-01-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU2226270C2 (ru) | Устройство и способ контроля структуры с использованием сигналов, распространяющихся во взаимно противоположных направлениях, для определения локализации возмущений | |
US7974182B2 (en) | Evaluating the position of a disturbance | |
CN104040598B (zh) | 干涉仪型光纤干扰检测装置及其检测方法 | |
JPH0783792A (ja) | 光ファイバの擾乱の発生を検出する装置 | |
JP3147616B2 (ja) | 分布型導波路センサ | |
WO2010008029A1 (ja) | 光ファイバ電流センサ、電流測定方法、及び事故区間検出装置 | |
US8390797B2 (en) | Enhanced optical time-domain reflectometer resolution using depolarization of light source | |
CN110768715A (zh) | 基于三偏振态时分复用的偏振光时域反射仪及检测方法 | |
GB1560124A (en) | Optical fibre cable testing | |
JPS58216964A (ja) | 衝撃電流発生検知装置 | |
JP2009075000A (ja) | 光ファイバによる振動・衝撃位置検知装置 | |
JP3759798B2 (ja) | 落雷点標定方法 | |
CN106093732A (zh) | 用于高压电气设备局部放电检测的光纤方向传感器 | |
CN1218901A (zh) | 有源反射式光测距器 | |
JP3457074B2 (ja) | 送電線落雷点標定方法および装置 | |
CN202475426U (zh) | 一种光信号在线监控装置 | |
CN206649621U (zh) | 光纤周界安防系统 | |
CN101383072B (zh) | 一种全光纤安全防卫传感器 | |
JPS58215569A (ja) | 落雷区間検知方法 | |
CN205139230U (zh) | 光纤电流传感器 | |
JPS60169775A (ja) | 送電線の故障点標定装置 | |
CN104457583A (zh) | 一种光纤长度测量装置及方法 | |
JPS61288298A (ja) | 多点監視システム | |
CN217216583U (zh) | 一种电力通信光缆故障定位装置 | |
CN205427017U (zh) | 干涉式精确电流传感器 |