SE9200011L - 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
SE9200011L
SE9200011L SE9200011A SE9200011A SE9200011L SE 9200011 L SE9200011 L SE 9200011L SE 9200011 A SE9200011 A SE 9200011A SE 9200011 A SE9200011 A SE 9200011A SE 9200011 L SE9200011 L SE 9200011L
Authority
SE
Sweden
Prior art keywords
current
current transformer
reconstruction
procedures
implementation
Prior art date
Application number
SE9200011A
Other languages
Unknown language ( )
English (en)
Other versions
SE469676B (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/sv
Priority to EP93901453A priority patent/EP0619922A1/en
Priority to CA 2126867 priority patent/CA2126867A1/en
Priority to PCT/SE1992/000863 priority patent/WO1993013581A1/en
Publication of SE9200011L publication Critical patent/SE9200011L/sv
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 (en) 1992-01-03 1992-12-14 Reconstruction of saturated current transformer signals
CA 2126867 CA2126867A1 (en) 1992-01-03 1992-12-14 Reconstruction of saturated current transformer signals
PCT/SE1992/000863 WO1993013581A1 (en) 1992-01-03 1992-12-14 Reconstruction of saturated current transformer signals

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 true SE9200011L (sv) 1993-07-04
SE469676B 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 (sv)
CA (1) CA2126867A1 (sv)
SE (1) SE469676B (sv)
WO (1) WO1993013581A1 (sv)

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
CN108139432B (zh) 2015-06-29 2020-10-30 Abb瑞士股份有限公司 校正电流互感器中饱和效应的方法以及其智能电子设备
EP3560054B1 (en) * 2016-12-26 2021-09-01 ABB Schweiz AG A method for detecting inrush and ct saturation and an intelligent electronic device therefor

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
SE469676B (sv) 1993-08-16
CA2126867A1 (en) 1993-07-08
EP0619922A1 (en) 1994-10-19
SE9200011D0 (sv) 1992-01-03
WO1993013581A1 (en) 1993-07-08

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