CN106026049B - 基于光学电流互感器的差动保护装置 - Google Patents
基于光学电流互感器的差动保护装置 Download PDFInfo
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- CN106026049B CN106026049B CN201610590354.5A CN201610590354A CN106026049B CN 106026049 B CN106026049 B CN 106026049B CN 201610590354 A CN201610590354 A CN 201610590354A CN 106026049 B CN106026049 B CN 106026049B
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- optical
- differential protection
- photoelectric conversion
- circuit
- conversion circuit
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- 230000003287 optical effect Effects 0.000 title claims abstract description 63
- 238000006243 chemical reaction Methods 0.000 claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 239000013307 optical fiber Substances 0.000 claims description 29
- 230000003321 amplification Effects 0.000 claims description 13
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 13
- 238000011045 prefiltration Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- 238000005070 sampling Methods 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/263—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of measured values
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
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- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610590354.5A CN106026049B (zh) | 2016-07-25 | 2016-07-25 | 基于光学电流互感器的差动保护装置 |
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CN201610590354.5A CN106026049B (zh) | 2016-07-25 | 2016-07-25 | 基于光学电流互感器的差动保护装置 |
Publications (2)
Publication Number | Publication Date |
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CN106026049A CN106026049A (zh) | 2016-10-12 |
CN106026049B true CN106026049B (zh) | 2018-10-16 |
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CN201610590354.5A Active CN106026049B (zh) | 2016-07-25 | 2016-07-25 | 基于光学电流互感器的差动保护装置 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110133351B (zh) * | 2019-04-30 | 2021-03-05 | 国网经济技术研究院有限公司 | 一种双输出光学电流互感器及其信号处理方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5969930A (en) * | 1995-04-18 | 1999-10-19 | Schneider Electric Industries, S.A. | Differential protection device including a rectifier and a toroid having a nanocrystalline core |
CN201528179U (zh) * | 2009-05-08 | 2010-07-14 | 珠海思创电气有限公司 | 由电流互感器获取电源的智能保护装置 |
CN202352507U (zh) * | 2011-09-08 | 2012-07-25 | 中国西电电气股份有限公司 | 一种电子式电流互感器高压侧供能装置 |
CN104134977A (zh) * | 2014-08-25 | 2014-11-05 | 哈尔滨工业大学 | 一种输电线路全波形电流差动保护判定方法及装置 |
CN104158161A (zh) * | 2014-08-25 | 2014-11-19 | 哈尔滨工业大学 | 基于光学电流传感器的差动保护装置 |
CN204287286U (zh) * | 2014-11-04 | 2015-04-22 | 金陵科技学院 | 一种结合低功耗光电转换电路的光纤控制电路 |
CN104852368A (zh) * | 2015-05-26 | 2015-08-19 | 国网冀北电力有限公司唐山供电公司 | 基于电子式电流互感器微分输出的线路差动保护方法 |
CN205231703U (zh) * | 2015-11-30 | 2016-05-11 | 安徽理工大学 | 基于光学电流互感器对继电保护可靠性提高的系统 |
-
2016
- 2016-07-25 CN CN201610590354.5A patent/CN106026049B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5969930A (en) * | 1995-04-18 | 1999-10-19 | Schneider Electric Industries, S.A. | Differential protection device including a rectifier and a toroid having a nanocrystalline core |
CN201528179U (zh) * | 2009-05-08 | 2010-07-14 | 珠海思创电气有限公司 | 由电流互感器获取电源的智能保护装置 |
CN202352507U (zh) * | 2011-09-08 | 2012-07-25 | 中国西电电气股份有限公司 | 一种电子式电流互感器高压侧供能装置 |
CN104134977A (zh) * | 2014-08-25 | 2014-11-05 | 哈尔滨工业大学 | 一种输电线路全波形电流差动保护判定方法及装置 |
CN104158161A (zh) * | 2014-08-25 | 2014-11-19 | 哈尔滨工业大学 | 基于光学电流传感器的差动保护装置 |
CN204287286U (zh) * | 2014-11-04 | 2015-04-22 | 金陵科技学院 | 一种结合低功耗光电转换电路的光纤控制电路 |
CN104852368A (zh) * | 2015-05-26 | 2015-08-19 | 国网冀北电力有限公司唐山供电公司 | 基于电子式电流互感器微分输出的线路差动保护方法 |
CN205231703U (zh) * | 2015-11-30 | 2016-05-11 | 安徽理工大学 | 基于光学电流互感器对继电保护可靠性提高的系统 |
Non-Patent Citations (1)
Title |
---|
"光学电流互感器在继电保护中的应用";曲艳华;《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》;20060315(第3期);第C042-26页 * |
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Inventor after: Liu Zhiqing Inventor after: Jiang Xing Inventor after: Yue Hengxian Inventor after: Zhang Baohua Inventor after: Liu Junfang Inventor after: Shao Zhiyu Inventor after: Zhang Jian Inventor after: Wang Yunshao Inventor after: Lv Chunhui Inventor after: Yin Dong Inventor after: Wang Xingzhen Inventor after: Gao Guisheng Inventor after: Wang Guopeng Inventor after: Zhang Guoqing Inventor after: Yu Wenbin Inventor after: Guo Zhizhong Inventor after: Wang Guizhong Inventor before: Liu Zhiqing Inventor before: Wang Xing Inventor before: Yue Hengxian Inventor before: Zhang Baohua Inventor before: Liu Junfang Inventor before: Shao Zhiyu Inventor before: Zhang Jian Inventor before: Wang Yunshao Inventor before: Lv Chunhui Inventor before: Yin Dong Inventor before: Wang Xingzhen Inventor before: Gao Guisheng Inventor before: Wang Guopeng Inventor before: Zhang Guoqing Inventor before: Yu Wenbin Inventor before: Guo Zhizhong Inventor before: Wang Guizhong |
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