DK75981A - Hoejfoelsom jaevn og vekselstroemssensitiv fejlstroemsbeskyttelseskobling - Google Patents
Hoejfoelsom jaevn og vekselstroemssensitiv fejlstroemsbeskyttelseskoblingInfo
- Publication number
- DK75981A DK75981A DK75981A DK75981A DK75981A DK 75981 A DK75981 A DK 75981A DK 75981 A DK75981 A DK 75981A DK 75981 A DK75981 A DK 75981A DK 75981 A DK75981 A DK 75981A
- Authority
- DK
- Denmark
- Prior art keywords
- high sensitivity
- fault current
- current protection
- protection connection
- sensitive fault
- Prior art date
Links
Classifications
-
- 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
- H02H3/331—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 responsive to earthing of the neutral conductor
-
- 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)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803007227 DE3007227A1 (de) | 1980-02-27 | 1980-02-27 | Hochempfindlicher, allstromsensitiver fehlerstromschutzschalter |
Publications (1)
Publication Number | Publication Date |
---|---|
DK75981A true DK75981A (da) | 1981-08-28 |
Family
ID=6095600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK75981A DK75981A (da) | 1980-02-27 | 1981-02-20 | Hoejfoelsom jaevn og vekselstroemssensitiv fejlstroemsbeskyttelseskobling |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0035120A3 (da) |
DE (1) | DE3007227A1 (da) |
DK (1) | DK75981A (da) |
ES (1) | ES499830A0 (da) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2509089B1 (fr) * | 1981-07-06 | 1986-04-18 | Merlin Gerin | Dispositif de protection differentielle a haute sensibilite pour la detection de courants de defaut phase ou neutre a la terre |
ATE128283T1 (de) * | 1990-02-05 | 1995-10-15 | Siemens Ag | Differenzstromschutzschalter mit transduktorschaltung mit einrichtung zum symmetrieren von signalkurven. |
US5229725A (en) * | 1992-04-07 | 1993-07-20 | Moore Products Co. | Electrical fault detector in remote systems using a saturable core |
DE9418595U1 (de) * | 1994-11-21 | 1996-03-21 | Siemens AG, 80333 München | Fehlerstromschutzschalter mit einem Summenstromwandler |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3506906A (en) * | 1967-12-18 | 1970-04-14 | Rucker Co | Ground fault circuit interrupter with inadvertent ground sensor |
BE856056A (nl) * | 1976-07-13 | 1977-12-23 | Hazemeijer Bv | Stroommeetsysteem, meer in het bijzonder toepasbaar als aardlek deteciesysteem, en met een dergelijk systeem uitgeruste functionele inrichting, zoals een aardlekschakelaar |
IT1088165B (it) * | 1977-10-31 | 1985-06-10 | Elettrocondutture | Dispositivo di sicurezza per impianti elettrici, del tipo a trasformatore differenziale con sganciatore |
-
1980
- 1980-02-27 DE DE19803007227 patent/DE3007227A1/de not_active Withdrawn
-
1981
- 1981-01-30 EP EP81100676A patent/EP0035120A3/de not_active Withdrawn
- 1981-02-20 DK DK75981A patent/DK75981A/da not_active Application Discontinuation
- 1981-02-26 ES ES499830A patent/ES499830A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
ES8206090A1 (es) | 1982-06-16 |
DE3007227A1 (de) | 1981-10-22 |
EP0035120A3 (de) | 1981-11-04 |
ES499830A0 (es) | 1982-06-16 |
EP0035120A2 (de) | 1981-09-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHS | Application shelved for other reasons than non-payment |