CN105486916B - 一种面向智能变电站的直流信号采集电路 - Google Patents
一种面向智能变电站的直流信号采集电路 Download PDFInfo
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- CN105486916B CN105486916B CN201510783289.3A CN201510783289A CN105486916B CN 105486916 B CN105486916 B CN 105486916B CN 201510783289 A CN201510783289 A CN 201510783289A CN 105486916 B CN105486916 B CN 105486916B
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- 238000002955 isolation Methods 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 230000000051 modifying Effects 0.000 claims abstract description 3
- 239000003990 capacitor Substances 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 235000019800 disodium phosphate Nutrition 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001131 transforming Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001808 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002452 interceptive Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001360 synchronised Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/252—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency
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CN201510783289.3A CN105486916B (zh) | 2015-11-16 | 2015-11-16 | 一种面向智能变电站的直流信号采集电路 |
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CN201510783289.3A CN105486916B (zh) | 2015-11-16 | 2015-11-16 | 一种面向智能变电站的直流信号采集电路 |
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CN105486916A CN105486916A (zh) | 2016-04-13 |
CN105486916B true CN105486916B (zh) | 2018-06-01 |
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CN107896031A (zh) * | 2017-10-30 | 2018-04-10 | 北京自动化控制设备研究所 | 一种模块化伺服传动控制装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101316050A (zh) * | 2007-12-26 | 2008-12-03 | 上海市电力公司超高压输变电公司 | 一种变电所直流系统运行状态的监视方法及监视装置 |
CN201331553Y (zh) * | 2008-12-22 | 2009-10-21 | 义乌市华晨机电有限公司 | 带隔离的直流电压测量电路 |
CN201589812U (zh) * | 2009-12-12 | 2010-09-22 | 杭州日鼎控制技术有限公司 | 采用电压转频率的伺服系统直流母线电压采样电路 |
CN202256484U (zh) * | 2011-09-23 | 2012-05-30 | 北京动力源科技股份有限公司 | 一种功率单元直流母线电压检测电路 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101316050A (zh) * | 2007-12-26 | 2008-12-03 | 上海市电力公司超高压输变电公司 | 一种变电所直流系统运行状态的监视方法及监视装置 |
CN201331553Y (zh) * | 2008-12-22 | 2009-10-21 | 义乌市华晨机电有限公司 | 带隔离的直流电压测量电路 |
CN201589812U (zh) * | 2009-12-12 | 2010-09-22 | 杭州日鼎控制技术有限公司 | 采用电压转频率的伺服系统直流母线电压采样电路 |
CN202256484U (zh) * | 2011-09-23 | 2012-05-30 | 北京动力源科技股份有限公司 | 一种功率单元直流母线电压检测电路 |
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Effective date of registration: 20180718 Address after: No. 19, Jiangning District, Jiangning District, Nanjing, Jiangsu Co-patentee after: SGCC NARI Nanjing Control System Co., Ltd. Patentee after: NARI Technology Development Co., Ltd. Address before: No. 86 West Xicheng District, Beijing, Chang'an Avenue Co-patentee before: Nanjing Nari Co., Ltd. Patentee before: State Grid Corporation of China Co-patentee before: State Grid Electric Power Research Insititute |