SE469676B - Foerfarande vid rekonstruktion av maettade stroemtransformatorsignaler samt anordning foer genomfoerande av det naemnda foerfarandet - Google Patents

Foerfarande vid rekonstruktion av maettade stroemtransformatorsignaler samt anordning foer genomfoerande av det naemnda foerfarandet

Info

Publication number
SE469676B
SE469676B SE9200011A SE9200011A SE469676B SE 469676 B SE469676 B SE 469676B SE 9200011 A SE9200011 A SE 9200011A SE 9200011 A SE9200011 A SE 9200011A SE 469676 B SE469676 B SE 469676B
Authority
SE
Sweden
Prior art keywords
current
current transformer
block
saturated
value
Prior art date
Application number
SE9200011A
Other languages
English (en)
Swedish (sv)
Other versions
SE9200011L (sv
SE9200011D0 (sv
Inventor
M Bjoerklund
M M Saha
B Carlsson
Original Assignee
Asea Brown Boveri
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 Asea Brown Boveri filed Critical Asea Brown Boveri
Priority to SE9200011A priority Critical patent/SE469676B/sv
Publication of SE9200011D0 publication Critical patent/SE9200011D0/xx
Priority to EP93901453A priority patent/EP0619922A1/fr
Priority to CA 2126867 priority patent/CA2126867A1/fr
Priority to PCT/SE1992/000863 priority patent/WO1993013581A1/fr
Publication of SE9200011L publication Critical patent/SE9200011L/
Publication of SE469676B publication Critical patent/SE469676B/sv

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)
SE9200011A 1992-01-03 1992-01-03 Foerfarande vid rekonstruktion av maettade stroemtransformatorsignaler samt anordning foer genomfoerande av det naemnda foerfarandet SE469676B (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9200011A SE469676B (sv) 1992-01-03 1992-01-03 Foerfarande vid rekonstruktion av maettade stroemtransformatorsignaler samt anordning foer genomfoerande av det naemnda foerfarandet
EP93901453A EP0619922A1 (fr) 1992-01-03 1992-12-14 Reconstitution de signaux d'un transformateur de courant sature
CA 2126867 CA2126867A1 (fr) 1992-01-03 1992-12-14 Reconstruction des signaux d'un transformateur de courant sature
PCT/SE1992/000863 WO1993013581A1 (fr) 1992-01-03 1992-12-14 Reconstitution de signaux d'un transformateur de courant sature

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
SE9200011D0 SE9200011D0 (sv) 1992-01-03
SE9200011L SE9200011L (sv) 1993-07-04
SE469676B true SE469676B (sv) 1993-08-16

Family

ID=20384952

Family Applications (1)

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

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
EP2271948B1 (fr) 2008-03-28 2018-06-13 ABB Schweiz AG Estimation d'un vecteur de fresnel pendant la saturation d'un transformateur de courant
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
EP0090095B1 (fr) * 1982-03-29 1986-11-05 BBC Brown Boveri AG Procédé et dispositif pour évaluer le courant au secondaire d'un transformateur de courant connecté au primaire dans une ligne d'alimentation d'énergie électrique

Also Published As

Publication number Publication date
WO1993013581A1 (fr) 1993-07-08
SE9200011L (sv) 1993-07-04
EP0619922A1 (fr) 1994-10-19
CA2126867A1 (fr) 1993-07-08
SE9200011D0 (sv) 1992-01-03

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