GB2271188B - External compensator for current transformers - Google Patents

External compensator for current transformers

Info

Publication number
GB2271188B
GB2271188B GB9316005A GB9316005A GB2271188B GB 2271188 B GB2271188 B GB 2271188B GB 9316005 A GB9316005 A GB 9316005A GB 9316005 A GB9316005 A GB 9316005A GB 2271188 B GB2271188 B GB 2271188B
Authority
GB
United Kingdom
Prior art keywords
current transformers
external compensator
compensator
external
transformers
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 - Fee Related
Application number
GB9316005A
Other versions
GB2271188A (en
GB9316005D0 (en
Inventor
Qifeng Xu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9316005D0 publication Critical patent/GB9316005D0/en
Publication of GB2271188A publication Critical patent/GB2271188A/en
Application granted granted Critical
Publication of GB2271188B publication Critical patent/GB2271188B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
    • G01R15/185—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core with compensation or feedback windings or interacting coils, e.g. 0-flux sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Electrical Variables (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB9316005A 1992-09-28 1993-08-02 External compensator for current transformers Expired - Fee Related GB2271188B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN92220725U CN2150619Y (en) 1992-09-28 1992-09-28 Current transformer electronic compensator

Publications (3)

Publication Number Publication Date
GB9316005D0 GB9316005D0 (en) 1993-09-15
GB2271188A GB2271188A (en) 1994-04-06
GB2271188B true GB2271188B (en) 1996-07-10

Family

ID=4964064

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9316005A Expired - Fee Related GB2271188B (en) 1992-09-28 1993-08-02 External compensator for current transformers

Country Status (2)

Country Link
CN (1) CN2150619Y (en)
GB (1) GB2271188B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1930735A1 (en) * 2006-12-08 2008-06-11 HÜTTINGER Elektronik GmbH + Co. KG Method and device for measuring alternating current
CA2813790C (en) * 2012-04-23 2017-02-21 Guildline Instruments Limited Asynchronous ac measurement system
CN103941065B (en) * 2013-01-17 2017-05-03 上海浦东金盛互感器厂 Method used for reducing residual impedance effect of voltage transformer and inductive voltage divider primary winding
CN103337355A (en) * 2013-07-09 2013-10-02 河北申科电子股份有限公司 Zero-magnetic flux current transformer capable of preventing electricity from being stolen through high-intensity magnetic field
EP2833155A1 (en) * 2013-07-30 2015-02-04 ABB Technology AG Current and/or voltage sensing device with phase error compensation
CN103592490B (en) * 2013-10-21 2017-06-16 国家电网公司 A kind of high accuracy electronic compensation type current transformer
CN105575639B (en) * 2014-10-17 2018-06-01 国家电网公司 A kind of wideband current transformer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2244142A (en) * 1990-05-16 1991-11-20 Westinghouse Brake & Signal Current transformer measuring circuits
GB2265722A (en) * 1992-04-02 1993-10-06 Abb Stroemberg Drives Oy Current measuring transducer operating on the compensation principle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2244142A (en) * 1990-05-16 1991-11-20 Westinghouse Brake & Signal Current transformer measuring circuits
GB2265722A (en) * 1992-04-02 1993-10-06 Abb Stroemberg Drives Oy Current measuring transducer operating on the compensation principle

Also Published As

Publication number Publication date
CN2150619Y (en) 1993-12-22
GB2271188A (en) 1994-04-06
GB9316005D0 (en) 1993-09-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970802