CN102375091A - 三相计量电路 - Google Patents
三相计量电路 Download PDFInfo
- Publication number
- CN102375091A CN102375091A CN2010102582672A CN201010258267A CN102375091A CN 102375091 A CN102375091 A CN 102375091A CN 2010102582672 A CN2010102582672 A CN 2010102582672A CN 201010258267 A CN201010258267 A CN 201010258267A CN 102375091 A CN102375091 A CN 102375091A
- Authority
- CN
- China
- Prior art keywords
- circuit
- links
- power
- input
- phase metering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 20
- 230000008878 coupling Effects 0.000 claims abstract description 29
- 238000010168 coupling process Methods 0.000 claims abstract description 29
- 238000005859 coupling reaction Methods 0.000 claims abstract description 29
- 238000005070 sampling Methods 0.000 claims abstract description 16
- HPDFFVBPXCTEDN-UHFFFAOYSA-N copper manganese Chemical compound [Mn].[Cu] HPDFFVBPXCTEDN-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000004065 semiconductor Substances 0.000 claims description 15
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 6
- 240000002853 Nelumbo nucifera Species 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract 2
- 230000002950 deficient Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010258267.2A CN102375091B (zh) | 2010-08-18 | 2010-08-18 | 三相计量电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010258267.2A CN102375091B (zh) | 2010-08-18 | 2010-08-18 | 三相计量电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102375091A true CN102375091A (zh) | 2012-03-14 |
CN102375091B CN102375091B (zh) | 2015-05-06 |
Family
ID=45793988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010258267.2A Active CN102375091B (zh) | 2010-08-18 | 2010-08-18 | 三相计量电路 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102375091B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107422164A (zh) * | 2017-09-01 | 2017-12-01 | 东莞市罗克韦新能源科技有限公司 | 一种新型三相交流电流隔离采样装置 |
CN107621561A (zh) * | 2017-09-07 | 2018-01-23 | 宁波三星医疗电气股份有限公司 | 一种电流采样工频防磁电能表 |
CN112930481A (zh) * | 2020-07-10 | 2021-06-08 | 深圳欣锐科技股份有限公司 | 三相三线制电流采样电路及方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000206155A (ja) * | 1999-01-13 | 2000-07-28 | Hitachi Ltd | 熱結合型デジタル入力装置 |
CN2884212Y (zh) * | 2006-04-03 | 2007-03-28 | 杭州华隆电子技术有限公司 | 采用锰铜分流器作为电流采样的电能表 |
TW200731647A (en) * | 2006-02-14 | 2007-08-16 | Asustek Comp Inc | Signal generating circuit having an electromagnetic induction device for utilizing energy stored by a snubber |
JP2008020394A (ja) * | 2006-07-14 | 2008-01-31 | Osaki Electric Co Ltd | 電力計測部ic回路 |
CN201732121U (zh) * | 2010-08-18 | 2011-02-02 | 深圳长城开发科技股份有限公司 | 三相计量电路 |
-
2010
- 2010-08-18 CN CN201010258267.2A patent/CN102375091B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000206155A (ja) * | 1999-01-13 | 2000-07-28 | Hitachi Ltd | 熱結合型デジタル入力装置 |
TW200731647A (en) * | 2006-02-14 | 2007-08-16 | Asustek Comp Inc | Signal generating circuit having an electromagnetic induction device for utilizing energy stored by a snubber |
CN2884212Y (zh) * | 2006-04-03 | 2007-03-28 | 杭州华隆电子技术有限公司 | 采用锰铜分流器作为电流采样的电能表 |
JP2008020394A (ja) * | 2006-07-14 | 2008-01-31 | Osaki Electric Co Ltd | 電力計測部ic回路 |
CN201732121U (zh) * | 2010-08-18 | 2011-02-02 | 深圳长城开发科技股份有限公司 | 三相计量电路 |
Non-Patent Citations (1)
Title |
---|
孙轩 等: "超宽输入电压范围三相开关电源的设计和优化", 《机电工程》, vol. 27, no. 4, 30 April 2010 (2010-04-30) * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107422164A (zh) * | 2017-09-01 | 2017-12-01 | 东莞市罗克韦新能源科技有限公司 | 一种新型三相交流电流隔离采样装置 |
CN107621561A (zh) * | 2017-09-07 | 2018-01-23 | 宁波三星医疗电气股份有限公司 | 一种电流采样工频防磁电能表 |
CN112930481A (zh) * | 2020-07-10 | 2021-06-08 | 深圳欣锐科技股份有限公司 | 三相三线制电流采样电路及方法 |
WO2022006847A1 (zh) * | 2020-07-10 | 2022-01-13 | 深圳欣锐科技股份有限公司 | 三相三线制电流采样电路及方法 |
Also Published As
Publication number | Publication date |
---|---|
CN102375091B (zh) | 2015-05-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Jakka et al. | Dual-transformer-based asymmetrical triple-port active bridge (DT-ATAB) isolated DC–DC converter | |
CN204556692U (zh) | 多路电能计量接线盒 | |
CN104426344A (zh) | 缓冲电路以及用于缓冲电路的缓冲方法 | |
CN109004837A (zh) | 高耐压反激变换器 | |
CN103647448B (zh) | 集成降压-反激式高功率因数恒流电路及装置 | |
CN102375091B (zh) | 三相计量电路 | |
CN104967326A (zh) | 一种单线恒流转恒压电能转换电路 | |
CN100508099C (zh) | 一种便携的模拟断路器 | |
CN212875483U (zh) | 一种ct取电电源 | |
Tan et al. | Development of solid state arc-free socket for DC distribution system | |
CN102810986B (zh) | 一种串联拓扑led开关电源电路 | |
CN201732121U (zh) | 三相计量电路 | |
CN104319910A (zh) | 一种基于高压输电线路的电源取能电路 | |
CN205232028U (zh) | 基于buck降压技术的隔离变压多路转换输出电路 | |
CN204205954U (zh) | 反激式隔离dc-dc电源 | |
CN102946088B (zh) | 一种电表继电器拉合闸控制电路以及智能电表 | |
CN202678082U (zh) | 一种具有防过电流、过电压功能的电子式互感器采集器 | |
CN103715905A (zh) | 隔离型高频开关恒流变换器 | |
CN204361923U (zh) | 带多路隔离输出的开关电源 | |
CN204190477U (zh) | 一种usb充电器 | |
CN203689052U (zh) | 一种用于带通信模块电能表的电源及继电器驱动电路 | |
Liu et al. | A Series-Type Dual-Coupled-Inductors Based Hybrid Circuit Breaker With Simple Start-Up Operation and Adaptive Reclosing Capability | |
Rothmund | 10 KV SiC-Based Medium-Voltage Solid-State Transformer Concepts for 400V DC Distribution Systems | |
CN202363877U (zh) | 保护值多档可调的简易漏电保护装置 | |
CN201766506U (zh) | 一种输入过欠压保护通信电源 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210420 Address after: 611731, 1218, cooperation Road, hi tech Zone (West District), Sichuan, Chengdu Patentee after: CHENGDU GREAT WALL DEVELOPMENT TECHNOLOGY Co.,Ltd. Address before: Futian District Shenzhen City, Guangdong province 518000 CaiTian Road No. 7006 Patentee before: SHENZHEN KAIFA TECHNOLOGY Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 611731 No. 99, Tianquan Road, high tech Zone, Chengdu, Sichuan Patentee after: Chengdu Great Wall Development Technology Co.,Ltd. Address before: 611731 no.1218, Hezuo Road, high tech Zone (West District), Chengdu, Sichuan Province Patentee before: CHENGDU GREAT WALL DEVELOPMENT TECHNOLOGY Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220825 Address after: Futian District Shenzhen City, Guangdong province 518000 CaiTian Road No. 7006 Patentee after: SHENZHEN KAIFA TECHNOLOGY Co.,Ltd. Address before: 611731 No. 99, Tianquan Road, high tech Zone, Chengdu, Sichuan Patentee before: Chengdu Great Wall Development Technology Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20221219 Address after: 611731 No. 99, Tianquan Road, high tech Zone, Chengdu, Sichuan Patentee after: Chengdu Great Wall Development Technology Co.,Ltd. Address before: Futian District Shenzhen City, Guangdong province 518000 CaiTian Road No. 7006 Patentee before: SHENZHEN KAIFA TECHNOLOGY Co.,Ltd. |