EP4057302A4 - Dual-stage magnetic excitation high-voltage proportional standard apparatus and error compensation method - Google Patents

Dual-stage magnetic excitation high-voltage proportional standard apparatus and error compensation method Download PDF

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Publication number
EP4057302A4
EP4057302A4 EP19951933.1A EP19951933A EP4057302A4 EP 4057302 A4 EP4057302 A4 EP 4057302A4 EP 19951933 A EP19951933 A EP 19951933A EP 4057302 A4 EP4057302 A4 EP 4057302A4
Authority
EP
European Patent Office
Prior art keywords
dual
compensation method
error compensation
voltage proportional
magnetic excitation
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.)
Pending
Application number
EP19951933.1A
Other languages
German (de)
French (fr)
Other versions
EP4057302A1 (en
Inventor
Feng Zhou
Hao Liu
Min LEI
Xiaodong YIN
Chunyang JIANG
Jianping Yuan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Original Assignee
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, China Electric Power Research Institute Co Ltd CEPRI filed Critical State Grid Corp of China SGCC
Publication of EP4057302A1 publication Critical patent/EP4057302A1/en
Publication of EP4057302A4 publication Critical patent/EP4057302A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/24—Voltage transformers
    • H01F38/26—Constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2895—Windings disposed upon ring cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F2003/106—Magnetic circuits using combinations of different magnetic materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Transformers For Measuring Instruments (AREA)
EP19951933.1A 2019-11-05 2019-12-11 Dual-stage magnetic excitation high-voltage proportional standard apparatus and error compensation method Pending EP4057302A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911070684.1A CN110993273B (en) 2019-11-05 2019-11-05 Two-stage excitation high-voltage proportion standard device and error compensation method
PCT/CN2019/124576 WO2021088200A1 (en) 2019-11-05 2019-12-11 Dual-stage magnetic excitation high-voltage proportional standard apparatus and error compensation method

Publications (2)

Publication Number Publication Date
EP4057302A1 EP4057302A1 (en) 2022-09-14
EP4057302A4 true EP4057302A4 (en) 2024-01-03

Family

ID=70083458

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19951933.1A Pending EP4057302A4 (en) 2019-11-05 2019-12-11 Dual-stage magnetic excitation high-voltage proportional standard apparatus and error compensation method

Country Status (3)

Country Link
EP (1) EP4057302A4 (en)
CN (1) CN110993273B (en)
WO (1) WO2021088200A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112103060B (en) * 2020-08-07 2022-07-01 中国电力科学研究院有限公司 Multi-stage excitation high-voltage proportion standard device
CN114300244B (en) * 2022-01-06 2023-12-19 北京东方计量测试研究所 Double-stage error compensation SCOTT transformer
CN115966387A (en) * 2022-04-15 2023-04-14 中国电力科学研究院有限公司 Full-medium-voltage two-stage voltage transformer
CN114864251B (en) * 2022-04-20 2024-09-10 三峡大学 Double-framework common-winding current transformer structure and design method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202110934U (en) * 2011-05-11 2012-01-11 广东电网公司电力科学研究院 Double-stage voltage transformer wound with cylindrical coils

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1004835B (en) * 1986-05-23 1989-07-19 北京电力科学研究所 Compensator for total errors of electric energy countings
JP2001203112A (en) * 2000-01-21 2001-07-27 Tabuchi Electric Co Ltd Electromagnetic induction apparatus
CN101086917A (en) * 2006-06-09 2007-12-12 郑州大学 Compensation method of voltage mutual inductor and secondary loop voltage reduction error and compensation device
CN102360857B (en) * 2011-05-30 2013-01-16 国网电力科学研究院 Integrated network distributing transformer with error compensating mutual inductor
KR101798689B1 (en) * 2013-12-05 2017-11-16 엘에스산전 주식회사 Power device including current transformer and method for compensating of current trnasformer
CN106328349B (en) * 2016-09-23 2018-02-02 国网江西省电力公司电力科学研究院 A kind of biquadratic winding double-stage voltage transformer
CN107424814B (en) * 2017-07-27 2020-02-07 中国电力科学研究院 High-low voltage hybrid excitation two-stage voltage transformer and calibration method thereof
CN109065343A (en) * 2018-07-10 2018-12-21 中国电力科学研究院有限公司 A kind of high-pressure double-stage voltage transformer
CN109212293B (en) * 2018-10-18 2021-04-02 中国电力科学研究院有限公司 Power supply type voltage transformer with voltage metering function and use method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202110934U (en) * 2011-05-11 2012-01-11 广东电网公司电力科学研究院 Double-stage voltage transformer wound with cylindrical coils

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021088200A1 *
SHAO HAIMING ET AL: "The Development of $110/\sqrt {3} \textrm {kV}$ Two-Stage Voltage Transformer With Accuracy Class 0.001", IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, IEEE, USA, vol. 64, no. 6, 1 June 2015 (2015-06-01), pages 1383 - 1389, XP011580598, ISSN: 0018-9456, [retrieved on 20150508], DOI: 10.1109/TIM.2015.2419051 *
YIN XIAODONG ET AL: "Precision 500/[square root of]3 kV three-stage VT with double excitation", IET SCIENCE, MEASUREMENT AND TECHNOLOGY, THE INSTITUTION OF ENGINEERING AND TECHNOLOGY, MICHAEL FARADAY HOUSE, SIX HILLS WAY, STEVENAGE, HERTS. SG1 2AY, UK, vol. 13, no. 9, 1 November 2019 (2019-11-01), pages 1239 - 1244, XP006087445, ISSN: 1751-8822, DOI: 10.1049/IET-SMT.2018.5449 *

Also Published As

Publication number Publication date
WO2021088200A1 (en) 2021-05-14
CN110993273A (en) 2020-04-10
CN110993273B (en) 2022-04-15
EP4057302A1 (en) 2022-09-14

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