BE829942A - Disjoncteur de protection a courant de defaut avec clef d'essai - Google Patents
Disjoncteur de protection a courant de defaut avec clef d'essaiInfo
- Publication number
- BE829942A BE829942A BE157086A BE157086A BE829942A BE 829942 A BE829942 A BE 829942A BE 157086 A BE157086 A BE 157086A BE 157086 A BE157086 A BE 157086A BE 829942 A BE829942 A BE 829942A
- Authority
- BE
- Belgium
- Prior art keywords
- circuit breaker
- protection circuit
- fault current
- current protection
- test key
- 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
- H02H3/334—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 to produce an artificial unbalance for other protection or monitoring reasons or remote control
- H02H3/335—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 to produce an artificial unbalance for other protection or monitoring reasons or remote control the main function being self testing of the device
-
- 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
- H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
- H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
-
- 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
- H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
- H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
- H01H2083/045—Auxiliary switch opening testing circuit in synchronism with the main circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Breakers (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742428866 DE2428866B2 (de) | 1974-06-14 | 1974-06-14 | Fehlerstromschutzschalter mit prueftaste |
Publications (1)
Publication Number | Publication Date |
---|---|
BE829942A true BE829942A (fr) | 1975-10-01 |
Family
ID=5918182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE157086A BE829942A (fr) | 1974-06-14 | 1975-06-06 | Disjoncteur de protection a courant de defaut avec clef d'essai |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5111175A (fr) |
AT (1) | AT334459B (fr) |
BE (1) | BE829942A (fr) |
CH (1) | CH578271A5 (fr) |
DE (1) | DE2428866B2 (fr) |
ES (1) | ES213134Y (fr) |
FR (1) | FR2275016A1 (fr) |
IT (1) | IT1038713B (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4414601A (en) * | 1981-04-27 | 1983-11-08 | Westinghouse Electric Corp. | Solid-state load protection system having a test feature |
AT378444B (de) * | 1983-02-24 | 1985-08-12 | Biegelmeier Gottfried | Leitungsschutzschalter mit durchgefuehrtem neutralleiter und fehlerstromausloesung |
FR2638909B1 (fr) * | 1988-11-04 | 1995-03-31 | Merlin Gerin | Declencheur differentiel a circuit test et a telecommande d'ouverture autoprotegee |
DE4220569A1 (de) * | 1992-06-24 | 1994-01-05 | Abb Patent Gmbh | Prüfkreisanordnung für einen Fehlerstromschutzschalter |
FR2927195A1 (fr) * | 2008-02-04 | 2009-08-07 | Hager Electro S A S Soc Par Ac | Appareil electrique de coupure a connexion haute et basse |
-
1974
- 1974-06-14 DE DE19742428866 patent/DE2428866B2/de active Pending
-
1975
- 1975-05-12 AT AT357775A patent/AT334459B/de not_active IP Right Cessation
- 1975-06-05 CH CH723275A patent/CH578271A5/xx not_active IP Right Cessation
- 1975-06-05 IT IT2404275A patent/IT1038713B/it active
- 1975-06-06 BE BE157086A patent/BE829942A/fr unknown
- 1975-06-12 JP JP7138075A patent/JPS5111175A/ja active Pending
- 1975-06-13 ES ES1975213134U patent/ES213134Y/es not_active Expired
- 1975-06-13 FR FR7518663A patent/FR2275016A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
AT334459B (de) | 1976-01-25 |
ATA357775A (de) | 1976-05-15 |
CH578271A5 (fr) | 1976-07-30 |
JPS5111175A (en) | 1976-01-29 |
ES213134Y (es) | 1976-11-16 |
ES213134U (es) | 1976-06-16 |
IT1038713B (it) | 1979-11-30 |
FR2275016A1 (fr) | 1976-01-09 |
FR2275016B1 (fr) | 1977-07-08 |
DE2428866A1 (de) | 1975-12-18 |
DE2428866B2 (de) | 1976-07-08 |
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