CN201548652U - 电流互感器极性测试装置 - Google Patents
电流互感器极性测试装置 Download PDFInfo
- Publication number
- CN201548652U CN201548652U CN2009201767301U CN200920176730U CN201548652U CN 201548652 U CN201548652 U CN 201548652U CN 2009201767301 U CN2009201767301 U CN 2009201767301U CN 200920176730 U CN200920176730 U CN 200920176730U CN 201548652 U CN201548652 U CN 201548652U
- Authority
- CN
- China
- Prior art keywords
- resistance
- circuit
- triode
- current
- operational amplifier
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Measurement Of Current Or Voltage (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009201767301U CN201548652U (zh) | 2009-09-14 | 2009-09-14 | 电流互感器极性测试装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009201767301U CN201548652U (zh) | 2009-09-14 | 2009-09-14 | 电流互感器极性测试装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201548652U true CN201548652U (zh) | 2010-08-11 |
Family
ID=42603828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009201767301U Expired - Lifetime CN201548652U (zh) | 2009-09-14 | 2009-09-14 | 电流互感器极性测试装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201548652U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102967795A (zh) * | 2012-12-11 | 2013-03-13 | 衡水供电公司 | 一种电流互感器极性检测装置 |
CN108181545A (zh) * | 2017-12-29 | 2018-06-19 | 国家电网公司 | 一种用于电流互感器的极性测试电路 |
-
2009
- 2009-09-14 CN CN2009201767301U patent/CN201548652U/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102967795A (zh) * | 2012-12-11 | 2013-03-13 | 衡水供电公司 | 一种电流互感器极性检测装置 |
CN108181545A (zh) * | 2017-12-29 | 2018-06-19 | 国家电网公司 | 一种用于电流互感器的极性测试电路 |
CN108181545B (zh) * | 2017-12-29 | 2020-10-27 | 国家电网公司 | 一种用于电流互感器的极性测试电路 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201373895Y (zh) | 氧化锌避雷器(moa)在线监测装置 | |
CN203133146U (zh) | 一种变压器中性点电流测量装置 | |
CN103207379A (zh) | 电流互感器直流偏磁误差特性测量方法及装置 | |
CN104749537A (zh) | 一种电流互感器磁滞回线测量方法 | |
CN105223536B (zh) | 一种便携式电能表现场校验系统 | |
CN101639524B (zh) | 保护用电流互感器现场检定装置 | |
CN109975597A (zh) | 剩余电流检测方法、装置及智能脱扣器 | |
CN202649380U (zh) | 数字式电缆绝缘故障自动定位仪 | |
CN102445583A (zh) | 一种电能质量监测装置的电压信号检测方法、电路及应用 | |
CN102969136B (zh) | 一种大电流、高精度直流电流互感器 | |
CN205374572U (zh) | 一种容性设备接地电流取样装置 | |
CN201548652U (zh) | 电流互感器极性测试装置 | |
CN203287514U (zh) | 电流互感器直流偏磁误差特性测量装置 | |
CN105510673A (zh) | 一种直流电流测量装置 | |
CN101750570A (zh) | 基于消除阻抗及电弧影响的变压器套管ct极性测试装置 | |
CN102944858B (zh) | 剩余电流动作保护器动作特性检测仪校验仪分断开关 | |
CN102436995B (zh) | 应用于行波管程控高压电源的霍尔高压检测控制方法 | |
CN108802467B (zh) | 一种检测精度高的铁芯线圈式电流互感器及漏电检测装置 | |
CN104076226A (zh) | 基于电压差值和电流差值测量变压器能效的装置及方法 | |
CN202940118U (zh) | 一种大电流、高精度直流电流互感器 | |
CN202486194U (zh) | 一种基于罗氏线圈的电流传感器 | |
CN202256655U (zh) | 便携式电子式互感器极性校验仪 | |
CN207937587U (zh) | 一种电子互感器的检测装置及检测系统 | |
CN203204048U (zh) | 一种用于高压变频器的输出电压测量电路 | |
CN204028194U (zh) | 一种自补偿小电流互感器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Effective date: 20140114 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: NEIJIANG ELECTRIC POWER BUREAU OF SICHUAN ELECTRIC Free format text: FORMER NAME: NEIJIANG ELECTRIC POWER BUREAU Owner name: NEIJIANG POWER SUPPLY COMPANY, STATE GRID SICHUAN Free format text: FORMER NAME: NEIJIANG ELECTRIC POWER BUREAU OF SICHUAN ELECTRIC POWER SICHUAN ELECTRIC POWER CORP. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 641000 Neijiang, Sichuan Province, Taibai Road, Dongxing District No. 190 Patentee after: STATE GRID SICHUAN ELECTRIC POWER COMPANY NEIJIANG POWER SUPPLY Co. Address before: 641000 Neijiang, Sichuan Province, Taibai Road, Dongxing District No. 190 Patentee before: NEIJIANG POWER BUREAU OF SICHUAN ELECTRIC POWER Co.,Ltd. |
|
CP03 | Change of name, title or address |
Address after: 641000 Neijiang, Sichuan Province, Taibai Road, Dongxing District No. 190 Patentee after: NEIJIANG POWER BUREAU OF SICHUAN ELECTRIC POWER Co.,Ltd. Address before: 641000, Taibai Road, Shizhong District, Sichuan City, Neijiang province 190 Patentee before: Neijiang Electric Power Bureau |
|
TR01 | Transfer of patent right |
Effective date of registration: 20140114 Address after: 641000 Neijiang, Sichuan Province, Taibai Road, Dongxing District No. 190 Patentee after: STATE GRID SICHUAN ELECTRIC POWER COMPANY NEIJIANG POWER SUPPLY Co. Patentee after: State Grid Corporation of China Address before: 641000 Neijiang, Sichuan Province, Taibai Road, Dongxing District No. 190 Patentee before: STATE GRID SICHUAN ELECTRIC POWER COMPANY NEIJIANG POWER SUPPLY Co. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20100811 |