AT381183B - Differential-transformator-kern fuer fehlerstromschutzschalter mit einem von pulsierenden stroemen magnetisierbaren ringbandkern - Google Patents

Differential-transformator-kern fuer fehlerstromschutzschalter mit einem von pulsierenden stroemen magnetisierbaren ringbandkern

Info

Publication number
AT381183B
AT381183B AT0067282A AT67282A AT381183B AT 381183 B AT381183 B AT 381183B AT 0067282 A AT0067282 A AT 0067282A AT 67282 A AT67282 A AT 67282A AT 381183 B AT381183 B AT 381183B
Authority
AT
Austria
Prior art keywords
current circuit
core
circuit breakers
fault current
magnetizable
Prior art date
Application number
AT0067282A
Other languages
German (de)
English (en)
Other versions
ATA67282A (de
Inventor
Guenter P Dr Finke
Ma Dr Bao-Min
Original Assignee
Magnetic Metals 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 Magnetic Metals Gmbh filed Critical Magnetic Metals Gmbh
Publication of ATA67282A publication Critical patent/ATA67282A/de
Application granted granted Critical
Publication of AT381183B publication Critical patent/AT381183B/de

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
    • H01F27/24—Magnetic cores
    • H01F27/25—Magnetic cores made from strips or ribbons
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H02H3/332—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means responsive to DC component in the fault current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Soft Magnetic Materials (AREA)
AT0067282A 1981-03-25 1982-02-22 Differential-transformator-kern fuer fehlerstromschutzschalter mit einem von pulsierenden stroemen magnetisierbaren ringbandkern AT381183B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/247,439 US4366520A (en) 1981-03-25 1981-03-25 Differential transformer core for pulse currents

Publications (2)

Publication Number Publication Date
ATA67282A ATA67282A (de) 1986-01-15
AT381183B true AT381183B (de) 1986-09-10

Family

ID=22934950

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0067282A AT381183B (de) 1981-03-25 1982-02-22 Differential-transformator-kern fuer fehlerstromschutzschalter mit einem von pulsierenden stroemen magnetisierbaren ringbandkern

Country Status (4)

Country Link
US (1) US4366520A (en, 2012)
AT (1) AT381183B (en, 2012)
DE (1) DE3201569A1 (en, 2012)
FR (1) FR2502834A1 (en, 2012)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3904313C2 (de) * 1989-02-14 1997-08-28 Vacuumschmelze Gmbh Verfahren zum Wickeln eines weichmagnetischen Bandes zu einem in sich geschlossenen Magnetkern
US4956743A (en) * 1989-03-13 1990-09-11 Allied-Signal Inc. Ground fault interrupters for glassy metal alloys
US5329269A (en) * 1990-08-10 1994-07-12 Watson William S Single core triaxial flux-gate magnetometer
US5270648A (en) * 1990-08-10 1993-12-14 Watson Industries, Inc. Single core triaxial flux-gate magnetometer
DE4210748C1 (de) * 1992-04-01 1993-12-16 Vacuumschmelze Gmbh Stromwandler für pulsstromsensitive Fehlerstromschutzschalter, Fehlerstromschutzschalter mit einem solchen Stromwandler, und Verfahren zur Wärmebehandlung des Eisenlegierungsbandes für dessen Magnetkern
JP3229512B2 (ja) * 1994-05-30 2001-11-19 株式会社西本合成販売 変成器及び変成器用のコイルボビン
DE4429007A1 (de) * 1994-08-16 1996-02-22 Siemens Ag Fehlerstromschutzschalter mit Energiespeicherschaltung
DE59503192D1 (de) * 1994-09-19 1998-09-17 Siemens Ag Differenzstromschutzschalter mit besonderem kernmaterial
FR2733374B1 (fr) * 1995-04-18 1997-06-06 Schneider Electric Sa Dispositif de protection differentielle sensible aux courants pulses
JPH118111A (ja) * 1997-06-17 1999-01-12 Tdk Corp バルントランス用コア材料、バルントランス用コアおよびバルントランス
US6002563A (en) * 1998-09-03 1999-12-14 Electronic Theatre Controls, Inc. Plug-in power module incorporating ground-fault detection and reporting
DE19907320C2 (de) * 1999-02-20 2001-03-08 Aloys Wobben Ringkern und dessen Verwendung
US7864013B2 (en) * 2006-07-13 2011-01-04 Double Density Magnetics Inc. Devices and methods for redistributing magnetic flux density
FR2909800B1 (fr) * 2006-12-12 2009-01-09 Schneider Electric Ind Sas Tore et dispositif de detection differentielle.
US8699190B2 (en) 2010-11-23 2014-04-15 Vacuumschmelze Gmbh & Co. Kg Soft magnetic metal strip for electromechanical components
FR2993058B1 (fr) * 2012-07-05 2014-08-08 Hager Electro Sas Dispositif de protection differentiel.
DE102013103268B4 (de) * 2013-04-02 2016-06-02 Vacuumschmelze Gmbh & Co. Kg Abschirmfolie und Verfahren zum Herstellen einer Abschirmfolie

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1489940A1 (de) * 1964-09-23 1970-09-24 Gen Electric Magnetkern

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE759776C (de) * 1937-11-13 1953-05-26 Siemens Schuckertwerke A G Schaltanordnung fuer Unterbrechungseinrichtungen
FR1401396A (fr) * 1964-04-23 1965-06-04 Lignes Telegraph Telephon Noyaux magnétiques améliorés
DE2036491C3 (de) * 1970-07-23 1978-04-13 Consortium Fuer Elektrochemische Industrie Gmbh, 8000 Muenchen Schädlingsbekämpfungsmittel auf Ketoximcarbamat-Basis
DE2062694B2 (de) * 1970-09-08 1975-05-28 Siemens Ag, 1000 Berlin Und 8000 Muenchen Fehlerstromschutzschalter
DE2044302B2 (de) * 1970-09-08 1975-01-23 Siemens Ag, 1000 Berlin Und 8000 Muenchen Fehlerstromschutzschalter
FR2407592A1 (fr) * 1978-10-31 1979-05-25 Bbc Brown Boveri & Cie Circuit de protection contre les courants de fuite

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1489940A1 (de) * 1964-09-23 1970-09-24 Gen Electric Magnetkern

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MAGNETTECHNIK, KONTAKT & STUDIUM BD.56'', 1980, EXPERT VERLAG, GRAFENAU (BRD), S.46, 47 *

Also Published As

Publication number Publication date
US4366520A (en) 1982-12-28
DE3201569C2 (en, 2012) 1990-10-04
DE3201569A1 (de) 1982-11-04
FR2502834A1 (fr) 1982-10-01
ATA67282A (de) 1986-01-15

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Legal Events

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