CN101661057B - Device for implementing power measurement based on resistance sampling by linear optocoupler - Google Patents
Device for implementing power measurement based on resistance sampling by linear optocoupler Download PDFInfo
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- CN101661057B CN101661057B CN2009103078026A CN200910307802A CN101661057B CN 101661057 B CN101661057 B CN 101661057B CN 2009103078026 A CN2009103078026 A CN 2009103078026A CN 200910307802 A CN200910307802 A CN 200910307802A CN 101661057 B CN101661057 B CN 101661057B
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- 238000005070 sampling Methods 0.000 title claims abstract description 27
- 238000005259 measurement Methods 0.000 title abstract description 23
- 238000002955 isolation Methods 0.000 claims abstract description 37
- 238000012545 processing Methods 0.000 claims abstract description 30
- 230000003321 amplification Effects 0.000 claims abstract description 28
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 28
- 230000001360 synchronised effect Effects 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims description 62
- 230000008878 coupling Effects 0.000 claims description 53
- 238000010168 coupling process Methods 0.000 claims description 53
- 238000005859 coupling reaction Methods 0.000 claims description 53
- 238000004891 communication Methods 0.000 claims description 24
- 239000013307 optical fiber Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 238000000926 separation method Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 29
- 239000003990 capacitor Substances 0.000 description 8
- 238000001514 detection method Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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CN2009103078026A CN101661057B (en) | 2009-09-27 | 2009-09-27 | Device for implementing power measurement based on resistance sampling by linear optocoupler |
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CN2009103078026A CN101661057B (en) | 2009-09-27 | 2009-09-27 | Device for implementing power measurement based on resistance sampling by linear optocoupler |
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CN101661057A CN101661057A (en) | 2010-03-03 |
CN101661057B true CN101661057B (en) | 2011-03-16 |
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CN2009103078026A Expired - Fee Related CN101661057B (en) | 2009-09-27 | 2009-09-27 | Device for implementing power measurement based on resistance sampling by linear optocoupler |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101860001B (en) * | 2010-05-06 | 2012-11-28 | 北京鼎汉技术股份有限公司 | Switch power supply current detection circuit |
CN103091550B (en) * | 2013-01-08 | 2015-02-11 | 北京优科利尔能源设备有限公司 | Synchronous isolation sampling direct-current power meter of wide voltage and large current |
CN107591700A (en) * | 2017-08-17 | 2018-01-16 | 芜湖市凯鑫避雷器有限责任公司 | A kind of safe boxing base for being common to high and low voltage electrical equipment |
CN109410884B (en) | 2018-12-27 | 2021-05-25 | 惠科股份有限公司 | Overcurrent protection module and display device |
CN110865297B (en) * | 2019-12-04 | 2022-05-13 | 绵阳市维博电子有限责任公司 | Phase-sensitive track voltage phase angle comprehensive acquisition sensor |
CN112730970B (en) * | 2020-12-18 | 2023-07-18 | 扬州大学 | Isolated high-precision wide-range voltage measurement system and measurement method |
CN112671354A (en) * | 2020-12-23 | 2021-04-16 | 南方电网电力科技股份有限公司 | Novel broadband high-voltage cascade linear amplifier device |
CN113514718B (en) * | 2021-05-13 | 2024-01-26 | 河南牧原智能科技有限公司 | Isolation monitoring device for analog signals and control system for electrical equipment |
CN113866479A (en) * | 2021-09-23 | 2021-12-31 | 安徽天尚清洁能源科技有限公司 | Isolation current detection circuit and method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5196982A (en) * | 1991-08-23 | 1993-03-23 | The Fleming Group | Electrical power monitoring system |
CN1375702A (en) * | 2002-04-05 | 2002-10-23 | 清华大学 | Reactive power measuring method based on digital filtering |
CN201497776U (en) * | 2009-09-27 | 2010-06-02 | 哈尔滨理工大学 | Device for realizing power measurement based on resistance sampling by adopting linear photoelectric coupler |
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2009
- 2009-09-27 CN CN2009103078026A patent/CN101661057B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5196982A (en) * | 1991-08-23 | 1993-03-23 | The Fleming Group | Electrical power monitoring system |
CN1375702A (en) * | 2002-04-05 | 2002-10-23 | 清华大学 | Reactive power measuring method based on digital filtering |
CN201497776U (en) * | 2009-09-27 | 2010-06-02 | 哈尔滨理工大学 | Device for realizing power measurement based on resistance sampling by adopting linear photoelectric coupler |
Non-Patent Citations (3)
Title |
---|
JP特开2000-74950A 2000.03.14 |
周翔.电子式电能表的工作原理及故障检查.《电气时代》.2002,(第1期),55. * |
高景明等.陡化前沿Marx发生器的设计与初步实验.《强激光与粒子束》.2008,第20卷(第1期),167-170. * |
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Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: HARBIN SCIENCE AND ENGINEERING UNIV. Effective date: 20140930 Owner name: SHUANGYASHAN POWER SUPPLY COMPANY OF STATE GRID HE Effective date: 20140930 |
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Inventor after: Gao Zhimin Inventor after: Liu Haibo Inventor after: Zhao Zhongying Inventor before: Kang Erliang Inventor before: Wei Aiping |
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COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 150040 HARBIN, HEILONGJIANG PROVINCE TO: 100031 DONGCHENG, BEIJING Free format text: CORRECT: INVENTOR; FROM: KANG ERLIANG WEI AIPING TO: GAO ZHIMIN LIU HAIBO ZHAO ZHONGYING |
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Effective date of registration: 20140930 Address after: 100031 West Chang'an Avenue, Beijing, No. 86 Patentee after: State Grid Corporation of China Patentee after: Shuangyashan electric company of Guo Wang Heilongjiang Power Co., Ltd. Address before: 150040 No. three power Road 23, Xiangfang District, Heilongjiang, Harbin Patentee before: Harbin University of Science and Technology |
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Granted publication date: 20110316 Termination date: 20180927 |
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