DE3307443C2 - - Google Patents
Info
- Publication number
- DE3307443C2 DE3307443C2 DE19833307443 DE3307443A DE3307443C2 DE 3307443 C2 DE3307443 C2 DE 3307443C2 DE 19833307443 DE19833307443 DE 19833307443 DE 3307443 A DE3307443 A DE 3307443A DE 3307443 C2 DE3307443 C2 DE 3307443C2
- Authority
- DE
- Germany
- Prior art keywords
- current
- frequency
- fault
- protection circuit
- operating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004804 winding Methods 0.000 claims description 23
- 239000004020 conductor Substances 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 13
- 230000000638 stimulation Effects 0.000 claims description 7
- 238000011156 evaluation Methods 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000003595 spectral effect Effects 0.000 claims description 2
- 238000011461 current therapy Methods 0.000 claims 1
- 230000004069 differentiation Effects 0.000 claims 1
- 239000011162 core material Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001827 electrotherapy Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 238000002070 Raman circular dichroism spectroscopy Methods 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 208000003663 ventricular fibrillation Diseases 0.000 description 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
- H02H3/33—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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833307443 DE3307443A1 (de) | 1983-03-03 | 1983-03-03 | Fehlerschutzschaltung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833307443 DE3307443A1 (de) | 1983-03-03 | 1983-03-03 | Fehlerschutzschaltung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3307443A1 DE3307443A1 (de) | 1984-09-06 |
| DE3307443C2 true DE3307443C2 (enrdf_load_stackoverflow) | 1990-12-20 |
Family
ID=6192354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19833307443 Granted DE3307443A1 (de) | 1983-03-03 | 1983-03-03 | Fehlerschutzschaltung |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3307443A1 (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT384358B (de) * | 1985-04-29 | 1987-11-10 | Hill Thomas | Vorrichtung zum feststellen von hochfrequenten fehlerstroemen |
| DE3543948A1 (de) * | 1985-12-12 | 1987-06-19 | Siemens Ag | Anordnung zum erfassen von fehlerstroemen |
| DE19702371A1 (de) * | 1997-01-23 | 1998-07-30 | Siemens Ag | Fehlerstromschutzeinrichtung |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3953767A (en) * | 1974-04-15 | 1976-04-27 | Rca Corporation | Ground fault detection apparatus |
| DE2555303C3 (de) * | 1975-12-09 | 1982-03-04 | Brown, Boveri & Cie Ag, 6800 Mannheim | Fehlerstromschutzschaltungsanordnung |
| DE2555255C3 (de) * | 1975-12-09 | 1979-09-27 | Brown, Boveri & Cie Ag, 6800 Mannheim | Einrichtung zur Erfassung von Fehlerströmen |
-
1983
- 1983-03-03 DE DE19833307443 patent/DE3307443A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3307443A1 (de) | 1984-09-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8127 | New person/name/address of the applicant |
Owner name: DATRON-ELECTRONIC GMBH, 6109 MUEHLTAL, DE |
|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |