GB1581364A - Circuit for providing immunity from noise and nuisance tripping ground fault detection devices - Google Patents
Circuit for providing immunity from noise and nuisance tripping ground fault detection devices Download PDFInfo
- Publication number
- GB1581364A GB1581364A GB38731/79A GB3873179A GB1581364A GB 1581364 A GB1581364 A GB 1581364A GB 38731/79 A GB38731/79 A GB 38731/79A GB 3873179 A GB3873179 A GB 3873179A GB 1581364 A GB1581364 A GB 1581364A
- Authority
- GB
- United Kingdom
- Prior art keywords
- circuit
- ground fault
- noise
- level
- tripping
- 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
Links
- 230000036039 immunity Effects 0.000 title claims description 9
- 238000001514 detection method Methods 0.000 title description 5
- 239000004020 conductor Substances 0.000 claims description 60
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000002441 reversible effect Effects 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 description 22
- 238000004804 winding Methods 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 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
- H02H3/331—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
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
- H01R13/7135—Structural association with built-in electrical component with built-in switch the switch being a safety switch with ground fault protector
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Breakers (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US67471476A | 1976-04-08 | 1976-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1581364A true GB1581364A (en) | 1980-12-10 |
Family
ID=24707649
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB38731/79A Expired GB1581364A (en) | 1976-04-08 | 1977-04-01 | Circuit for providing immunity from noise and nuisance tripping ground fault detection devices |
| GB13768/77A Expired GB1581363A (en) | 1976-04-08 | 1977-04-01 | Circuit breaker assembly |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13768/77A Expired GB1581363A (en) | 1976-04-08 | 1977-04-01 | Circuit breaker assembly |
Country Status (7)
| Country | Link |
|---|---|
| CA (1) | CA1101533A (enrdf_load_stackoverflow) |
| DE (1) | DE2715219A1 (enrdf_load_stackoverflow) |
| FR (2) | FR2347798A1 (enrdf_load_stackoverflow) |
| GB (2) | GB1581364A (enrdf_load_stackoverflow) |
| IT (1) | IT1082997B (enrdf_load_stackoverflow) |
| MX (1) | MX144094A (enrdf_load_stackoverflow) |
| ZA (1) | ZA771801B (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3048785A1 (de) * | 1980-12-23 | 1982-07-15 | Brown, Boveri & Cie Ag, 6800 Mannheim | Schaltungsanordnung zur erfassung eines fehlerstromes |
| FR2582146A1 (fr) * | 1985-05-14 | 1986-11-21 | Osmond Max | Dispositif d'alimentation electrique a disjoncteur et prise electrique incorporant ce dispositif |
| GB8519740D0 (en) * | 1985-08-06 | 1985-09-11 | Ashley Accessories Ltd | Mains electrical accessories |
| DE10215019B4 (de) * | 2002-04-05 | 2007-05-16 | Doepke Schaltgeraete Gmbh & Co | Vorrichtung zum Erfassen von elektrischen Differenzströmen |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1965784U (de) * | 1967-03-14 | 1967-08-10 | Stotz Kontakt Gmbh | Elektrische steckdose mit fehlerstromschutz. |
| US3813579A (en) * | 1970-11-09 | 1974-05-28 | Rucker Co | Electric receptacle assembly with ground fault protection |
| CA1005897A (en) * | 1971-05-07 | 1977-02-22 | Ellwood S. Douglas | Ground fault protective system |
| US3787709A (en) * | 1971-12-13 | 1974-01-22 | Sci Systems Inc | Ground fault-sensitive detector and circuit breaker device |
| US3936699A (en) * | 1973-11-30 | 1976-02-03 | Pass & Seymour, Inc. | Ground fault protective circuitry |
| CA1104243A (en) * | 1974-06-17 | 1981-06-30 | Lynn B. Steve | Ground fault circuit interrupter module |
| US4013929A (en) * | 1975-04-14 | 1977-03-22 | Square D Company | Multiple duty components of a ground fault receptacle |
-
1977
- 1977-03-23 CA CA274,552A patent/CA1101533A/en not_active Expired
- 1977-03-25 ZA ZA00771801A patent/ZA771801B/xx unknown
- 1977-04-01 GB GB38731/79A patent/GB1581364A/en not_active Expired
- 1977-04-01 GB GB13768/77A patent/GB1581363A/en not_active Expired
- 1977-04-05 DE DE19772715219 patent/DE2715219A1/de active Granted
- 1977-04-05 MX MX168661A patent/MX144094A/es unknown
- 1977-04-07 FR FR7710547A patent/FR2347798A1/fr active Granted
- 1977-04-07 IT IT67773/77A patent/IT1082997B/it active
-
1981
- 1981-04-06 FR FR8106840A patent/FR2476403B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2347798A1 (fr) | 1977-11-04 |
| FR2347798B1 (enrdf_load_stackoverflow) | 1984-12-21 |
| FR2476403B1 (fr) | 1986-05-30 |
| DE2715219C2 (enrdf_load_stackoverflow) | 1987-09-10 |
| FR2476403A1 (fr) | 1981-08-21 |
| IT1082997B (it) | 1985-05-21 |
| DE2715219A1 (de) | 1977-10-27 |
| CA1101533A (en) | 1981-05-19 |
| GB1581363A (en) | 1980-12-10 |
| MX144094A (es) | 1981-08-26 |
| ZA771801B (en) | 1978-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19940401 |