DK68780A - Fremgangsmaade til overvaagning af lederstroemme med hensyn til en fjelstroem og apparat til udoevelse af fremgangsmaaden - Google Patents
Fremgangsmaade til overvaagning af lederstroemme med hensyn til en fjelstroem og apparat til udoevelse af fremgangsmaadenInfo
- Publication number
- DK68780A DK68780A DK68780A DK68780A DK68780A DK 68780 A DK68780 A DK 68780A DK 68780 A DK68780 A DK 68780A DK 68780 A DK68780 A DK 68780A DK 68780 A DK68780 A DK 68780A
- Authority
- DK
- Denmark
- Prior art keywords
- procedure
- monitoring
- pulses
- breakfast
- leadership
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 238000012544 monitoring process Methods 0.000 title abstract 2
- 235000021152 breakfast Nutrition 0.000 title 1
- 239000004020 conductor Substances 0.000 abstract 1
- 230000005415 magnetization Effects 0.000 abstract 1
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
- H02H3/34—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 of a three-phase system
- H02H3/347—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 of a three-phase system using summation current transformers
-
- 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)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Synchronous Machinery (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792907171 DE2907171A1 (de) | 1979-02-23 | 1979-02-23 | Verfahren zur ueberwachung von leiterstroemen auf einen fehlerstrom und anordnung zur durchfuehrung des verfahrens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK68780A true DK68780A (da) | 1980-08-24 |
Family
ID=6063791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK68780A DK68780A (da) | 1979-02-23 | 1980-02-18 | Fremgangsmaade til overvaagning af lederstroemme med hensyn til en fjelstroem og apparat til udoevelse af fremgangsmaaden |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4307429A (da) |
| EP (1) | EP0014938B1 (da) |
| JP (1) | JPS55117416A (da) |
| AT (1) | ATE1516T1 (da) |
| DE (2) | DE2907171A1 (da) |
| DK (1) | DK68780A (da) |
| ES (1) | ES488870A1 (da) |
| GR (1) | GR73622B (da) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3108906A1 (de) * | 1981-03-09 | 1982-09-16 | Siemens AG, 1000 Berlin und 8000 München | "verfahren zur ueberwachung von leiterstroemen und anordnung zur durchfuehrung des verfahrens" |
| US4754218A (en) * | 1985-02-21 | 1988-06-28 | Soft Wire Ltd. | Current sensing apparatus |
| DE3835710A1 (de) * | 1988-10-20 | 1990-05-03 | Asea Brown Boveri | Messverfahren und schaltungsanordnung zur ueberpruefung von schutzmassnahmen in wechselspannungsnetzen |
| DE3835677C2 (de) * | 1988-10-20 | 1997-07-17 | Metrawatt Gmbh Gossen | Meßverfahren und Schaltungsanordnung zur Ermittlung des Auslösestroms von FI-Schaltern |
| DE102004024100A1 (de) * | 2004-05-14 | 2005-12-15 | Siemens Ag | Prüfeinrichtung für einen Fehlerstromschutzschalter |
| FR3050081B1 (fr) * | 2016-04-12 | 2018-03-23 | Schneider Electric Industries Sas | Dispositif de detection d'un courant de defaut |
| JP6591056B2 (ja) * | 2016-05-17 | 2019-10-16 | 三菱電機株式会社 | 漏電遮断器 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3614533A (en) * | 1970-05-20 | 1971-10-19 | Rucker Co | Ground fault detector and circuit interrupter by magnetic flux storage method |
| US3699442A (en) * | 1971-05-25 | 1972-10-17 | Westinghouse Electric Corp | Bi-directional signal detector with input/output isolation |
| US3772569A (en) * | 1972-09-05 | 1973-11-13 | Rucker Co | Ground fault protective system |
| US4001646A (en) * | 1975-06-16 | 1977-01-04 | General Electric Company | Ground fault circuit interrupter utilizing a single transformer |
| DE2602534A1 (de) * | 1976-01-23 | 1977-07-28 | Siemens Ag | Fehlerstrom-schutzschalter |
| US4159499A (en) * | 1977-06-20 | 1979-06-26 | Bereskin Alexander B | Ground fault detection and protection circuit |
-
1979
- 1979-02-23 DE DE19792907171 patent/DE2907171A1/de not_active Withdrawn
-
1980
- 1980-02-08 US US06/119,834 patent/US4307429A/en not_active Expired - Lifetime
- 1980-02-11 DE DE8080100696T patent/DE3060788D1/de not_active Expired
- 1980-02-11 AT AT80100696T patent/ATE1516T1/de not_active IP Right Cessation
- 1980-02-11 EP EP80100696A patent/EP0014938B1/de not_active Expired
- 1980-02-18 DK DK68780A patent/DK68780A/da not_active Application Discontinuation
- 1980-02-22 JP JP2151380A patent/JPS55117416A/ja active Pending
- 1980-02-22 ES ES488870A patent/ES488870A1/es not_active Expired
- 1980-12-12 GR GR61257A patent/GR73622B/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US4307429A (en) | 1981-12-22 |
| DE3060788D1 (en) | 1982-10-28 |
| ATE1516T1 (de) | 1982-09-15 |
| EP0014938A1 (de) | 1980-09-03 |
| JPS55117416A (en) | 1980-09-09 |
| EP0014938B1 (de) | 1982-09-01 |
| ES488870A1 (es) | 1980-09-16 |
| GR73622B (da) | 1984-03-26 |
| DE2907171A1 (de) | 1980-09-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHS | Application shelved for other reasons than non-payment |