CA2126867A1 - Reconstruction des signaux d'un transformateur de courant sature - Google Patents

Reconstruction des signaux d'un transformateur de courant sature

Info

Publication number
CA2126867A1
CA2126867A1 CA 2126867 CA2126867A CA2126867A1 CA 2126867 A1 CA2126867 A1 CA 2126867A1 CA 2126867 CA2126867 CA 2126867 CA 2126867 A CA2126867 A CA 2126867A CA 2126867 A1 CA2126867 A1 CA 2126867A1
Authority
CA
Canada
Prior art keywords
current
current transformer
block
reconstruction
saturated
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.)
Abandoned
Application number
CA 2126867
Other languages
English (en)
Inventor
Magnus Bjorklund
Bengt Carlsson
Murari Mohan Saha
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.)
ABB AB
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 CA2126867A1 publication Critical patent/CA2126867A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
    • H01F27/422—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
    • H01F27/427—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for current transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks
    • H02H1/046—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks upon detecting saturation of current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Transformers For Measuring Instruments (AREA)
CA 2126867 1992-01-03 1992-12-14 Reconstruction des signaux d'un transformateur de courant sature Abandoned CA2126867A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9200011-6 1992-01-03
SE9200011A SE469676B (sv) 1992-01-03 1992-01-03 Foerfarande vid rekonstruktion av maettade stroemtransformatorsignaler samt anordning foer genomfoerande av det naemnda foerfarandet

Publications (1)

Publication Number Publication Date
CA2126867A1 true CA2126867A1 (fr) 1993-07-08

Family

ID=20384952

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2126867 Abandoned CA2126867A1 (fr) 1992-01-03 1992-12-14 Reconstruction des signaux d'un transformateur de courant sature

Country Status (4)

Country Link
EP (1) EP0619922A1 (fr)
CA (1) CA2126867A1 (fr)
SE (1) SE469676B (fr)
WO (1) WO1993013581A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5652507A (en) * 1996-01-31 1997-07-29 Eaton Corporation Apparatus and method for measuring an AC current which saturates the core of a current transformer
DE19723422C1 (de) * 1997-06-04 1998-12-10 Siemens Ag Verfahren und Vorrichtung zur Erkennung und Korrektur eines gesättigten Stromverlaufs eines Stromwandlers
DE19928192B4 (de) * 1999-06-19 2005-08-25 Abb Patent Gmbh Verfahren zur Rekonstruktion eines Stromes
US6754616B1 (en) * 2000-01-31 2004-06-22 Fujitsu Limited Method of emulating an ideal transformer valid from DC to infinite frequency
FR2818433B1 (fr) * 2000-12-20 2003-02-07 Schneider Electric Ind Sa Dispositif de determination du courant primaire d'un transformateur de courant comportant des moyens de correction de saturation
CN102027381B (zh) 2008-03-28 2014-04-16 Abb技术有限公司 确定电流的至少一个性质的方法、设备和计算机程序产品
DE102013210800A1 (de) 2013-06-10 2014-12-11 Bender Gmbh & Co. Kg Integrierte Schaltung mit digitalem Verfahren zur allstromsensitiven Differenzstrommessung
EP3314273B1 (fr) 2015-06-29 2019-07-10 ABB Schweiz AG Procédé de correction de l'effet de saturation dans un transformateur de courant et dispositif électronique intelligent associé
EP3560054B1 (fr) * 2016-12-26 2021-09-01 ABB Schweiz AG Procédé de détection d'appel de courant et de saturation d'un transformateur de courant et dispositif électronique intelligent associé

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3274171D1 (en) * 1982-03-29 1986-12-11 Bbc Brown Boveri & Cie Method and device for evaluating the secondary current of a current transformer primary connected to an electric power supply line

Also Published As

Publication number Publication date
SE9200011L (sv) 1993-07-04
SE469676B (sv) 1993-08-16
SE9200011D0 (sv) 1992-01-03
EP0619922A1 (fr) 1994-10-19
WO1993013581A1 (fr) 1993-07-08

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Legal Events

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