CN102253272B - Current measurement and protective sensor for high-voltage alternating current - Google Patents
Current measurement and protective sensor for high-voltage alternating current Download PDFInfo
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- CN102253272B CN102253272B CN 201110112397 CN201110112397A CN102253272B CN 102253272 B CN102253272 B CN 102253272B CN 201110112397 CN201110112397 CN 201110112397 CN 201110112397 A CN201110112397 A CN 201110112397A CN 102253272 B CN102253272 B CN 102253272B
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- 238000005259 measurement Methods 0.000 title claims abstract description 23
- 230000001681 protective effect Effects 0.000 title 1
- 238000000034 method Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 13
- 239000013307 optical fiber Substances 0.000 claims description 10
- 239000013078 crystal Substances 0.000 claims description 2
- 230000005408 paramagnetism Effects 0.000 claims description 2
- 238000007639 printing Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 abstract description 9
- 238000001228 spectrum Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 18
- 230000003287 optical effect Effects 0.000 description 10
- 238000011160 research Methods 0.000 description 7
- 239000000835 fiber Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 230000001953 sensory effect Effects 0.000 description 2
- 241000220225 Malus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000011540 sensing material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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CN 201110112397 CN102253272B (en) | 2011-04-29 | 2011-04-29 | Current measurement and protective sensor for high-voltage alternating current |
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CN 201110112397 CN102253272B (en) | 2011-04-29 | 2011-04-29 | Current measurement and protective sensor for high-voltage alternating current |
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CN102253272A CN102253272A (en) | 2011-11-23 |
CN102253272B true CN102253272B (en) | 2013-07-03 |
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CN106546867B (en) * | 2017-01-10 | 2019-05-24 | 上海理工大学 | Based on garnet optics leakage current sensor |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5696858A (en) * | 1996-08-01 | 1997-12-09 | The Texas A&M University System | Fiber Optics apparatus and method for accurate current sensing |
CN2403033Y (en) * | 1999-12-02 | 2000-10-25 | 哈尔滨工程大学 | Optical current sensor |
CN2775814Y (en) * | 2004-12-17 | 2006-04-26 | 华中科技大学 | Combined passive optical current/voltage mutual inductor |
US7046867B2 (en) * | 2003-02-14 | 2006-05-16 | Abb Research Ltd | Fiberoptic current sensor having a plurality of sensor heads |
CN101846703A (en) * | 2009-03-23 | 2010-09-29 | 徐启峰 | Digital optical fiber current sensor |
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2011
- 2011-04-29 CN CN 201110112397 patent/CN102253272B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5696858A (en) * | 1996-08-01 | 1997-12-09 | The Texas A&M University System | Fiber Optics apparatus and method for accurate current sensing |
CN2403033Y (en) * | 1999-12-02 | 2000-10-25 | 哈尔滨工程大学 | Optical current sensor |
US7046867B2 (en) * | 2003-02-14 | 2006-05-16 | Abb Research Ltd | Fiberoptic current sensor having a plurality of sensor heads |
CN2775814Y (en) * | 2004-12-17 | 2006-04-26 | 华中科技大学 | Combined passive optical current/voltage mutual inductor |
CN101846703A (en) * | 2009-03-23 | 2010-09-29 | 徐启峰 | Digital optical fiber current sensor |
Non-Patent Citations (2)
Title |
---|
贝塞尔函数比值法求定干涉型光纤水听器相移幅值的模拟试验和精度分析;陈毅;《声学与电子工程》;20041231(第04期);正文第6页第1栏最后一段,第7页第1-2段,图1,图2 * |
陈毅.贝塞尔函数比值法求定干涉型光纤水听器相移幅值的模拟试验和精度分析.《声学与电子工程》.2004,(第04期), |
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Address after: 200122, 1122 deep road, Pudong New Area, Shanghai Patentee after: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Patentee after: SHANGHAI ZHUORUN ASSET MANAGEMENT Co.,Ltd. Address before: 200122, 1122 deep road, Pudong New Area, Shanghai Patentee before: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Patentee before: Shanghai Dianwu Asset Management Co.,Ltd. Address after: 200122, 1122 deep road, Pudong New Area, Shanghai Patentee after: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Patentee after: Shanghai Dianwu Asset Management Co.,Ltd. Address before: 200122, 1122 deep road, Pudong New Area, Shanghai Patentee before: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Patentee before: SHANGHAI ELECTRIC POWER EQUIPMENT COLLECTIVE ASSETS MANAGEMENT Co.,Ltd. |
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