CN114814706B - 一种互感器在线自校准的测试装置和方法 - Google Patents
一种互感器在线自校准的测试装置和方法 Download PDFInfo
- Publication number
- CN114814706B CN114814706B CN202210717540.6A CN202210717540A CN114814706B CN 114814706 B CN114814706 B CN 114814706B CN 202210717540 A CN202210717540 A CN 202210717540A CN 114814706 B CN114814706 B CN 114814706B
- Authority
- CN
- China
- Prior art keywords
- sampling module
- winding
- module
- secondary windings
- difference
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210717540.6A CN114814706B (zh) | 2022-06-23 | 2022-06-23 | 一种互感器在线自校准的测试装置和方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210717540.6A CN114814706B (zh) | 2022-06-23 | 2022-06-23 | 一种互感器在线自校准的测试装置和方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114814706A CN114814706A (zh) | 2022-07-29 |
CN114814706B true CN114814706B (zh) | 2022-11-04 |
Family
ID=82521371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210717540.6A Active CN114814706B (zh) | 2022-06-23 | 2022-06-23 | 一种互感器在线自校准的测试装置和方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114814706B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115407255B (zh) * | 2022-11-03 | 2023-02-03 | 云南电网有限责任公司 | 一种电流互感器误差在线监测装置及方法 |
CN118131111A (zh) * | 2024-05-06 | 2024-06-04 | 云南电网有限责任公司 | 一种互感器误差特性的在线监测装置、方法、终端及存储介质 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB424810A (en) * | 1933-07-29 | 1935-02-28 | Walter Hohle | Method of testing current transformers |
CN103630724A (zh) * | 2013-06-26 | 2014-03-12 | 浙江天际互感器有限公司 | 基于带间隙铁芯线圈的自校准谐波电流互感器 |
CN112748277A (zh) * | 2021-01-20 | 2021-05-04 | 广东电网有限责任公司 | 一种电表箱带电检测装置 |
CN112858991A (zh) * | 2021-04-23 | 2021-05-28 | 武汉磐电科技股份有限公司 | 一种低压电流互感器不停电检定系统及方法 |
CN113820645A (zh) * | 2021-09-16 | 2021-12-21 | 国网四川省电力公司营销服务中心 | 一种通用型互感器校验设备及互感器校验方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5255554B2 (ja) * | 2009-12-18 | 2013-08-07 | 株式会社日立産機システム | 変流器あるいは変圧器のための特性監視装置 |
US11705275B2 (en) * | 2019-12-02 | 2023-07-18 | Panoramic Power Ltd. | Self calibration by double signal sampling |
-
2022
- 2022-06-23 CN CN202210717540.6A patent/CN114814706B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB424810A (en) * | 1933-07-29 | 1935-02-28 | Walter Hohle | Method of testing current transformers |
CN103630724A (zh) * | 2013-06-26 | 2014-03-12 | 浙江天际互感器有限公司 | 基于带间隙铁芯线圈的自校准谐波电流互感器 |
CN112748277A (zh) * | 2021-01-20 | 2021-05-04 | 广东电网有限责任公司 | 一种电表箱带电检测装置 |
CN112858991A (zh) * | 2021-04-23 | 2021-05-28 | 武汉磐电科技股份有限公司 | 一种低压电流互感器不停电检定系统及方法 |
CN113820645A (zh) * | 2021-09-16 | 2021-12-21 | 国网四川省电力公司营销服务中心 | 一种通用型互感器校验设备及互感器校验方法 |
Also Published As
Publication number | Publication date |
---|---|
CN114814706A (zh) | 2022-07-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN114814706B (zh) | 一种互感器在线自校准的测试装置和方法 | |
CN104301210B (zh) | 用于测量设备的分析网关设备 | |
US6421624B1 (en) | Multi-port device analysis apparatus and method and calibration method thereof | |
US8432154B2 (en) | Multimeter having communications via measurement terminals and communication system for same | |
US20090322347A1 (en) | Rf calibration device and method | |
RU2009139478A (ru) | Способ контроля электрической нагрузки и устройство для его осуществления | |
CN201654130U (zh) | 一种高阻抗测量仪器自动测量、校准装置 | |
CN104006895A (zh) | 传感器诊断改进的过程温度变送器 | |
CN117368825A (zh) | 多维参量可调的电流互感器误差特性评估平台及方法 | |
CN106443567A (zh) | 一种电能表的实负载测试系统 | |
US11031948B1 (en) | Diagnostic system | |
CN105938186B (zh) | 用于对电气面板仪表系统进行现场测试的装置和方法 | |
CN108241137B (zh) | 一种合并单元测试仪的基本误差溯源装置 | |
CN215728764U (zh) | 一种变电设备绝缘在线监测装置集成校验系统 | |
KR20130068354A (ko) | 채널 전환 장치, 임피던스 측정 시스템, 및 그 제어 방법 | |
CN216144940U (zh) | 一种带电校验电流互感器的系统和设备 | |
CN210005590U (zh) | 一种正反向微波功率测量电路 | |
CN114509714A (zh) | 探头校准系统及其校准方法 | |
KR101031804B1 (ko) | 전력량계와 주변 전력계통 장비 및 장치에서의 도전 및 이상 상황 검출장치 및 그 방법 | |
CN114705909A (zh) | 一种电能计量实时在线监测装置自检系统及自检方法 | |
CN111308268B (zh) | 一种配电网设备潜伏性故障的评估方法及系统 | |
CN115561593A (zh) | 一种高压绝缘套管缺陷检测装置及方法 | |
US20240019471A1 (en) | Calibration system and calibration method for a vector network analyzer with a remote vector analyzer frontend | |
CN219349028U (zh) | 一种便携式差流检测仪 | |
CN220584388U (zh) | 一种用于校验多通道测试设备的通道切换装置和校验系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Wu Zhiwu Inventor after: Jia Fangyan Inventor after: Zhan Wen Inventor after: Chen Xiuli Inventor after: Huang Tianfu Inventor after: Wang Chunguang Inventor after: Sun Jun Inventor after: Lin Tongyao Inventor after: Ruan Yujin Inventor after: Su Zhisheng Inventor before: Wu Zhiwu Inventor before: Lin Tongyao Inventor before: Ruan Yujin Inventor before: Su Zhisheng Inventor before: Jia Fangyan Inventor before: Zhan Wen Inventor before: Zhou Feng Inventor before: Yin Xiaodong Inventor before: Chen Xiuli Inventor before: Huang Tianfu Inventor before: Wang Chunguang Inventor before: Nie Qi Inventor before: Sun Jun |
|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: No.9, Qinyuan Branch Road, Jin'an District, Fuzhou City, Fujian Province 350013 Patentee after: Marketing service center of State Grid Fujian Electric Power Co.,Ltd. Patentee after: WUHAN PANDIAN SCI-TECH CO.,LTD. Address before: 430100 jiukang Avenue, Caidian Economic Development Zone, Wuhan, Hubei Patentee before: WUHAN PANDIAN SCI-TECH CO.,LTD. Patentee before: Marketing service center of State Grid Fujian Electric Power Co.,Ltd. |