CN104678345B - Electronic mutual inductor based on synchronized sampling holding circuit is traced to the source device - Google Patents
Electronic mutual inductor based on synchronized sampling holding circuit is traced to the source device Download PDFInfo
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- CN104678345B CN104678345B CN201510131650.4A CN201510131650A CN104678345B CN 104678345 B CN104678345 B CN 104678345B CN 201510131650 A CN201510131650 A CN 201510131650A CN 104678345 B CN104678345 B CN 104678345B
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- 238000005070 sampling Methods 0.000 title claims abstract description 84
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 26
- 238000012545 processing Methods 0.000 claims abstract description 35
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- 108091000080 Phosphotransferase Proteins 0.000 claims abstract description 9
- 102000020233 phosphotransferase Human genes 0.000 claims abstract description 9
- 102000001253 Protein Kinase Human genes 0.000 claims abstract description 7
- 108060006633 protein kinase Proteins 0.000 claims abstract description 7
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 6
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- 230000033228 biological regulation Effects 0.000 description 3
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- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 1
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Abstract
Description
Claims (3)
- The device 1. a kind of electronic mutual inductor based on synchronized sampling holding circuit is traced to the source, including Signal-regulated kinase, A/D moulds Block, DSP data processing modules, human-machine interface module and input interface module, the Signal-regulated kinase, A/D modules, DSP numbers It is sequentially connected according to processing module;The human-machine interface module and input interface module are connected with DSP data processing modules, DSP numbers Pulse output end is kept to be connected with A/D modules according to the sampling of processing module, DSP data processing modules also have PPS synchronizing signals defeated Go out end;Characterized in that, synchronized sampling is had additional between Signal-regulated kinase and A/D modules keeps module, synchronized sampling is protected Hold module also keeps pulse output end to be connected with the sampling of DSP data processing modules;Described synchronized sampling keeps module to include The voltage follower A being made up of the operational amplifier chip and voltage follower B being made up of operational amplifier chip, voltage follow Sampling of the device A output end through being controlled by DSP data processing modules keeps the high speed electronic switch of pulse output end(K), with electricity Pressure follower B in-phase end is connected, the voltage follower B also sampled holding capacitor of in-phase end(C)Ground connection.
- The device 2. electronic mutual inductor according to claim 1 based on synchronized sampling holding circuit is traced to the source, its feature exist In Signal-regulated kinase carries out signal condition using the high-accuracy resistance of 0.001% error;Input interface module uses KS8721 Ethernet phy chip;A/D modules use 24 high-precision As/D conversion chips AD7706;Synchronized sampling keeps the voltage of module Follower A uses operational transconductance amplifier CA3080A, voltage follower B to select the operational amplifier of high input impedance CA3140A, sample holding capacitor(C)Size selects 20pF;DSP data processing modules select ADSP-BF609.
- The device 3. electronic mutual inductor according to claim 1 or 2 based on synchronized sampling holding circuit is traced to the source, its feature It is that human-machine interface module uses 800*600 capacitance touch screen.
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CN201510131650.4A CN104678345B (en) | 2015-03-25 | 2015-03-25 | Electronic mutual inductor based on synchronized sampling holding circuit is traced to the source device |
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CN201510131650.4A CN104678345B (en) | 2015-03-25 | 2015-03-25 | Electronic mutual inductor based on synchronized sampling holding circuit is traced to the source device |
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CN104678345A CN104678345A (en) | 2015-06-03 |
CN104678345B true CN104678345B (en) | 2018-02-06 |
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CN107942118A (en) * | 2017-11-13 | 2018-04-20 | 国家电网公司 | A kind of multrirange collecting unit, Medium Voltage Switchgear signal pickup assembly and system |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR100206655B1 (en) * | 1996-02-23 | 1999-07-01 | 이종훈 | Portable current transformer tester |
CN201740861U (en) * | 2009-11-02 | 2011-02-09 | 南瑞航天(北京)电气控制技术有限公司 | Current transformer calibrator based on IEC 61850 standard |
CN201589856U (en) * | 2009-12-11 | 2010-09-22 | 南京南瑞继保电气有限公司 | Precision checking instrument for electronic transformer |
CN201681152U (en) * | 2010-05-05 | 2010-12-22 | 武汉大学 | Electronic type general mutual inductor check meter |
CN101950009A (en) * | 2010-08-20 | 2011-01-19 | 云南电力试验研究院(集团)有限公司 | Three-phase intelligent transformer calibrator |
CN102012494B (en) * | 2010-11-24 | 2013-03-27 | 浙江省电力公司电力科学研究院 | Transformer calibrator and calibration method thereof |
CN201955465U (en) * | 2011-02-16 | 2011-08-31 | 安徽省电力公司合肥供电公司 | Electronic transformer test system |
CN102654571B (en) * | 2011-03-02 | 2014-11-05 | 深圳市凯弦电气自动化有限公司 | Comprehensive tester of current transformer |
CN103064051A (en) * | 2011-10-18 | 2013-04-24 | 熊江咏 | Multifunctional electronic transformer calibrator |
CN104090256B (en) * | 2014-07-15 | 2018-03-23 | 国家电网公司 | The full-automatic debugging system of electronic mutual inductor |
CN204595193U (en) * | 2015-03-25 | 2015-08-26 | 国家电网公司 | Electronic mutual inductor based on synchronized sampling holding circuit is traced to the source device |
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Address after: 100031 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Co-patentee after: Measurement centre of Guo Wang Shanxi Province Utilities Electric Co. Patentee after: State Grid Corporation of China Address before: 100031 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Co-patentee before: Measurement centre of Guo Wang Shanxi Province Utilities Electric Co. Patentee before: State Grid Corporation of China |
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CB03 | Change of inventor or designer information |
Inventor after: Han Haian Inventor after: Yao Junfeng Inventor after: Di Bianlian Inventor after: Han Xia Inventor after: Guo Yixin Inventor after: Zhang Jing Inventor after: Zhang Qiang Inventor after: Bai Jianhai Inventor after: Wu Wanjun Inventor after: Zhang Ying Inventor after: Wei Xiaoming Inventor after: Zhao Yuan Inventor after: Zhang Jianmin Inventor after: Jin Haigang Inventor after: Cheng Yushu Inventor after: Gao Fei Inventor before: Zhang Ying Inventor before: Han Xia Inventor before: Guo Yixin Inventor before: Zhang Jing Inventor before: Zhang Qiang Inventor before: Bai Jianhai Inventor before: Wei Xiaoming Inventor before: Zhao Yuan Inventor before: Zhang Jianmin Inventor before: Jin Haigang Inventor before: Cheng Yushu Inventor before: Gao Fei Inventor before: Yao Junfeng Inventor before: Di Bianlian |
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CB03 | Change of inventor or designer information |