DK0635922T3 - Fejlstrømsregistreringsanordning med høj følsomhed - Google Patents
Fejlstrømsregistreringsanordning med høj følsomhedInfo
- Publication number
- DK0635922T3 DK0635922T3 DK94109026.8T DK94109026T DK0635922T3 DK 0635922 T3 DK0635922 T3 DK 0635922T3 DK 94109026 T DK94109026 T DK 94109026T DK 0635922 T3 DK0635922 T3 DK 0635922T3
- Authority
- DK
- Denmark
- Prior art keywords
- annular
- fault current
- field coil
- detection device
- current detection
- 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
- H01F38/40—Instruments transformers for dc
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Transformers For Measuring Instruments (AREA)
- Emergency Protection Circuit Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
- Protection Of Static Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4321232 | 1993-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0635922T3 true DK0635922T3 (da) | 1997-09-15 |
Family
ID=6491266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK94109026.8T DK0635922T3 (da) | 1993-06-25 | 1994-06-13 | Fejlstrømsregistreringsanordning med høj følsomhed |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0635922B1 (da) |
AT (1) | ATE149755T1 (da) |
DE (1) | DE59401885D1 (da) |
DK (1) | DK0635922T3 (da) |
ES (1) | ES2098821T3 (da) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4425904A1 (de) * | 1994-07-21 | 1996-01-25 | Vacuumschmelze Gmbh | Magnetischer Wegsensor |
EP0984478A1 (de) * | 1998-08-31 | 2000-03-08 | Siemens Aktiengesellschaft | Wandlermaterial für Fehlerstromschutzeinrichtungen und seine Verwendung |
CN116741508B (zh) * | 2023-08-14 | 2023-10-20 | 江苏靖江互感器股份有限公司 | 线圈连接装置、电流线圈及其制造方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1056735B (de) * | 1957-11-23 | 1959-05-06 | Licentia Gmbh | Abschirmung fuer Gleichstromwandler |
DE1538122A1 (de) * | 1965-12-02 | 1969-04-10 | Siemens Ag | Aufsteckstromwandler |
US4021729A (en) * | 1975-12-03 | 1977-05-03 | I-T-E Imperial Corporation | Cross-field ground fault sensor |
US4280162A (en) * | 1977-08-04 | 1981-07-21 | North American Philips Corporation | Ground fault circuit interrupter |
LU78600A1 (de) * | 1977-11-28 | 1979-06-13 | Gath N | Fehlerstromschutzschalter |
GB2102212B (en) * | 1981-07-20 | 1984-11-21 | Telcon Metals Ltd | Magnetic core strctures, devices incorporating them, and magnetic biassing methods |
US5110378A (en) * | 1988-08-17 | 1992-05-05 | Allied-Signal Inc. | Metallic glasses having a combination of high permeability, low coercivity, low ac core loss, low exciting power and high thermal stability |
DE3911480A1 (de) * | 1989-04-08 | 1990-10-11 | Vacuumschmelze Gmbh | Verwendung einer feinkristallinen eisen-basislegierung als magnetwerkstoff fuer fehlerstrom-schutzschalter |
-
1994
- 1994-06-13 DE DE59401885T patent/DE59401885D1/de not_active Expired - Fee Related
- 1994-06-13 EP EP94109026A patent/EP0635922B1/de not_active Expired - Lifetime
- 1994-06-13 DK DK94109026.8T patent/DK0635922T3/da active
- 1994-06-13 ES ES94109026T patent/ES2098821T3/es not_active Expired - Lifetime
- 1994-06-13 AT AT94109026T patent/ATE149755T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0635922B1 (de) | 1997-03-05 |
ATE149755T1 (de) | 1997-03-15 |
ES2098821T3 (es) | 1997-05-01 |
DE59401885D1 (de) | 1997-04-10 |
EP0635922A1 (de) | 1995-01-25 |
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