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 ringbandkernInfo
- 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
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)
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1489940A1 (de) * | 1964-09-23 | 1970-09-24 | Gen Electric | Magnetkern |
Family Cites Families (6)
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 |
-
1981
- 1981-03-25 US US06/247,439 patent/US4366520A/en not_active Expired - Fee Related
-
1982
- 1982-01-20 DE DE19823201569 patent/DE3201569A1/de active Granted
- 1982-02-22 AT AT0067282A patent/AT381183B/de not_active IP Right Cessation
- 1982-03-22 FR FR8204822A patent/FR2502834A1/fr not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1489940A1 (de) * | 1964-09-23 | 1970-09-24 | Gen Electric | Magnetkern |
Non-Patent Citations (1)
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
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |