ATA72392A - TOTAL CURRENT TRANSFORMER FOR A FAULT CURRENT PROTECTION - Google Patents

TOTAL CURRENT TRANSFORMER FOR A FAULT CURRENT PROTECTION

Info

Publication number
ATA72392A
ATA72392A AT72392A AT72392A ATA72392A AT A72392 A ATA72392 A AT A72392A AT 72392 A AT72392 A AT 72392A AT 72392 A AT72392 A AT 72392A AT A72392 A ATA72392 A AT A72392A
Authority
AT
Austria
Prior art keywords
protection
total
fault
current transformer
transformer
Prior art date
Application number
AT72392A
Other languages
German (de)
Other versions
AT405001B (en
Original Assignee
Abb Patent Gmbh
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 Abb Patent Gmbh filed Critical Abb Patent Gmbh
Publication of ATA72392A publication Critical patent/ATA72392A/en
Application granted granted Critical
Publication of AT405001B publication Critical patent/AT405001B/en

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
    • H01F38/38—Instruments transformers for polyphase AC
    • 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
    • H01F38/28—Current transformers
    • H01F38/30—Constructions
    • H01F2038/305—Constructions with toroidal magnetic core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformers For Measuring Instruments (AREA)
AT72392A 1991-04-08 1992-04-07 TOTAL CURRENT TRANSFORMER FOR A FAULT CIRCUIT BREAKER AT405001B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19914111236 DE4111236C2 (en) 1991-04-08 1991-04-08 Total current transformer for a residual current circuit breaker

Publications (2)

Publication Number Publication Date
ATA72392A true ATA72392A (en) 1995-11-15
AT405001B AT405001B (en) 1999-04-26

Family

ID=6429011

Family Applications (1)

Application Number Title Priority Date Filing Date
AT72392A AT405001B (en) 1991-04-08 1992-04-07 TOTAL CURRENT TRANSFORMER FOR A FAULT CIRCUIT BREAKER

Country Status (2)

Country Link
AT (1) AT405001B (en)
DE (1) DE4111236C2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBG20030034A1 (en) * 2003-05-20 2004-11-21 Abb Service Srl DEVICE FOR CONTAINING HALF CURRENT SENSORS.
DE102005007334B4 (en) * 2005-02-17 2007-02-08 Siemens Ag Summation current transformer for the universal current-sensitive detection of an electrical differential current
DE102012203337B4 (en) * 2012-03-02 2020-04-23 Siemens Aktiengesellschaft Total current transformer and electrical protection switching device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE834260C (en) * 1949-01-19 1952-03-17 Siemens & Halske A G Housings, especially for electrical devices
DE1056248B (en) * 1958-04-26 1959-04-30 Schutzapp Ges Paris & Co M B H Arrangement of a summation current transformer in a residual current circuit breaker
SU748528A1 (en) * 1978-02-03 1980-07-15 Восточный научно-исследовательский институт по безопасности работ в горной промышленности Null-sequence current transformer
DE7821240U1 (en) * 1978-07-13 1978-10-26 Siemens Ag, 1000 Berlin Und 8000 Muenchen CYLINDRICAL HOUSING FOR TRANSDUCER
DE8011197U1 (en) * 1980-04-24 1980-07-17 Felten & Guilleaume Carlswerk Ag, 5000 Koeln Summation current transformer for residual current circuit breaker with protected secondary winding
SU1095253A1 (en) * 1982-12-23 1984-05-30 Институт Электродинамики Ан Усср High-voltage current transformer
US4630015A (en) * 1985-01-10 1986-12-16 Slater Electric, Inc. Ground fault circuit interrupter
SU1628100A1 (en) * 1988-09-19 1991-02-15 Московское Производственное Объединение "Завод Им.Владимира Ильича" Residual current transformer

Also Published As

Publication number Publication date
AT405001B (en) 1999-04-26
DE4111236C2 (en) 1999-04-08
DE4111236A1 (en) 1992-10-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee