CN101493509B - Verifying apparatus for measuring extra-high voltage transformer error - Google Patents
Verifying apparatus for measuring extra-high voltage transformer error Download PDFInfo
- Publication number
- CN101493509B CN101493509B CN2009100605107A CN200910060510A CN101493509B CN 101493509 B CN101493509 B CN 101493509B CN 2009100605107 A CN2009100605107 A CN 2009100605107A CN 200910060510 A CN200910060510 A CN 200910060510A CN 101493509 B CN101493509 B CN 101493509B
- Authority
- CN
- China
- Prior art keywords
- voltage transformer
- standard
- high voltage
- voltage
- capacitance
- 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
Landscapes
- Transformers For Measuring Instruments (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100605107A CN101493509B (en) | 2009-01-13 | 2009-01-13 | Verifying apparatus for measuring extra-high voltage transformer error |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100605107A CN101493509B (en) | 2009-01-13 | 2009-01-13 | Verifying apparatus for measuring extra-high voltage transformer error |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101493509A CN101493509A (en) | 2009-07-29 |
CN101493509B true CN101493509B (en) | 2012-03-14 |
Family
ID=40924201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009100605107A Active CN101493509B (en) | 2009-01-13 | 2009-01-13 | Verifying apparatus for measuring extra-high voltage transformer error |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101493509B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101988958A (en) * | 2009-08-07 | 2011-03-23 | 华东电力试验研究院有限公司 | Checking device and checking method of accuracy of capacitor voltage transformer |
CN101872007B (en) * | 2010-06-10 | 2012-12-26 | 江西省电力科学研究院 | Calibration method of three-phase voltage transformer based on voltage transformer load error curve extrapolation |
CN103543429A (en) * | 2012-07-13 | 2014-01-29 | 湖北天瑞电子有限公司 | Micro current transformer calibrator |
CN103472273B (en) * | 2013-09-11 | 2016-02-03 | 国家电网公司 | Electronic type voltage transformer standard and electronic type voltage transformer verification structure |
CN103983828B (en) * | 2014-05-26 | 2016-09-07 | 国家电网公司 | A kind of Electrical Instrument Transducers with Digital phase compensating method |
CN105137378B (en) * | 2015-08-14 | 2018-11-09 | 中国电力科学研究院 | A kind of 2/1 intrinsic standoff ratio method for self-calibrating of divider |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2280919Y (en) * | 1996-11-09 | 1998-05-06 | 何排枝 | Integrated mutual-inductor calibration device |
RU2274871C2 (en) * | 2003-08-07 | 2006-04-20 | Дмитрий Иванович Нефедьев | Device for calibration testing of voltage transformers |
CN101074988A (en) * | 2007-07-20 | 2007-11-21 | 太原市优特奥科电子科技有限公司 | Method and apparatus for realtime and on-line monitoring meter error of high-voltage mutual inductor |
CN201373913Y (en) * | 2009-01-13 | 2009-12-30 | 国网电力科学研究院 | Calibrating device for measuring errors for extra high-voltage voltage transformer |
-
2009
- 2009-01-13 CN CN2009100605107A patent/CN101493509B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2280919Y (en) * | 1996-11-09 | 1998-05-06 | 何排枝 | Integrated mutual-inductor calibration device |
RU2274871C2 (en) * | 2003-08-07 | 2006-04-20 | Дмитрий Иванович Нефедьев | Device for calibration testing of voltage transformers |
CN101074988A (en) * | 2007-07-20 | 2007-11-21 | 太原市优特奥科电子科技有限公司 | Method and apparatus for realtime and on-line monitoring meter error of high-voltage mutual inductor |
CN201373913Y (en) * | 2009-01-13 | 2009-12-30 | 国网电力科学研究院 | Calibrating device for measuring errors for extra high-voltage voltage transformer |
Also Published As
Publication number | Publication date |
---|---|
CN101493509A (en) | 2009-07-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101493509B (en) | Verifying apparatus for measuring extra-high voltage transformer error | |
CN201444193U (en) | Comprehensive error detection device used for digital electric energy measuring device | |
CN101726715A (en) | Online calibration method for error characteristics of voltage transformer for power system | |
Kaczmarek et al. | Proposal for extension of routine tests of the inductive current transformers to evaluation of transformation accuracy of higher harmonics | |
CN103235280B (en) | Direct measuring method of magnetic saturation margin of current transformer based on scaling converter | |
CN101770006A (en) | Novel method for checking electronic transducer | |
CN103809010A (en) | Device and method for determining voltage and power of each phase of medium-voltage network | |
CN201373913Y (en) | Calibrating device for measuring errors for extra high-voltage voltage transformer | |
CN103267958A (en) | Circuit and method for measuring voltage transformer voltage coefficient | |
CN109444783A (en) | A kind of one or two fusion device sampling precision test methods of power distribution network | |
CN202956486U (en) | Error monitoring system for gate metering device | |
Kaczmarek | Development and application of the differential voltage to single-ended voltage converter to determine the composite error of voltage transformers and dividers for transformation of sinusoidal and distorted voltages | |
CN107861088A (en) | One kind is based on double-stage voltage transformer principle of stacking measurement circuitry and its method of work | |
CN2916652Y (en) | Electric power measuring cabinet testing device | |
So et al. | A high-precision current transformer for loss measurements of EHV shunt reactors | |
Sperling et al. | A possibility to measure power quality with RC-divider | |
CN105699781B (en) | A kind of transformer leakage inductance and Measuring DC Resistance | |
Shen et al. | Research on Capacitance Voltage Transformer Harmonic Measurement. | |
CN202929193U (en) | Integrated error verification system for electric energy meter | |
Crotti et al. | Frequency calibration of voltage transformers by digital capacitance bridge | |
CN203519812U (en) | Current transformer on-site verifying unit | |
CN207799054U (en) | One kind measuring circuit based on double-stage voltage transformer principle of stacking | |
So et al. | In-situ calibration of high-voltage three-phase transformer loss measuring systems | |
CN203178468U (en) | Direct measurement apparatus for magnetic saturation margin of current transformer based on scaling converter | |
Jin et al. | Study on the transient characteristic measurement system of current transformer |
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 | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Lei Min Inventor after: Zheng Hanjun Inventor after: Chen Ying Inventor after: Zhou Feng Inventor after: Wang Leren Inventor after: Zhang Shuhan Inventor after: Yang Lin Inventor after: Fan Songhai Inventor after: Chen Hui Inventor after: Tang Ping Inventor before: Wang Leren Inventor before: Lei Min Inventor before: Zhang Shuhan Inventor before: Zhou Feng Inventor before: Zheng Hanjun |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170406 Address after: 210000 Jiangning economic and Technological Development Zone, Jiangsu, Shengli Road, No. 9, No. Patentee after: State Grid Electric Power Research Insititute Patentee after: Electric Power Sciences Research Institute of Sichuan Electric Power Corporation Patentee after: China Electric Power Research Institute Patentee after: Wuhan Nari Limited Liability Company of State Grid Electric Power Research Institute Address before: 430074 Hubei Province, Wuhan city Hongshan District Luoyu Road No. 143 Patentee before: State Grid Electric Power Research Insititute |