ATA72392A - TOTAL CURRENT TRANSFORMER FOR A FAULT CURRENT PROTECTION - Google Patents
TOTAL CURRENT TRANSFORMER FOR A FAULT CURRENT PROTECTIONInfo
- 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
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 unbalance 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 unbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
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)
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)
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 |
-
1991
- 1991-04-08 DE DE19914111236 patent/DE4111236C2/en not_active Expired - Fee Related
-
1992
- 1992-04-07 AT AT72392A patent/AT405001B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE4111236C2 (en) | 1999-04-08 |
DE4111236A1 (en) | 1992-10-15 |
AT405001B (en) | 1999-04-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |