CH642482A5 - Electrical safety device for quick-action disconnection of an electrical mains circuit - Google Patents
Electrical safety device for quick-action disconnection of an electrical mains circuit Download PDFInfo
- Publication number
- CH642482A5 CH642482A5 CH1257278A CH1257278A CH642482A5 CH 642482 A5 CH642482 A5 CH 642482A5 CH 1257278 A CH1257278 A CH 1257278A CH 1257278 A CH1257278 A CH 1257278A CH 642482 A5 CH642482 A5 CH 642482A5
- Authority
- CH
- Switzerland
- Prior art keywords
- plug
- conductor
- phase
- safety device
- contact
- Prior art date
Links
- 239000004020 conductor Substances 0.000 claims description 120
- 230000001681 protective effect Effects 0.000 claims description 46
- 230000007935 neutral effect Effects 0.000 claims description 43
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 3
- 238000010616 electrical installation Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity 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
- H02H3/334—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 imbalance 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 imbalance 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
- 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 imbalance for other protection or monitoring reasons or remote control
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Breakers (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US85899077A | 1977-12-09 | 1977-12-09 | |
| US05/859,075 US4164771A (en) | 1977-12-09 | 1977-12-09 | Wireless emergency power interrupting system for multibranch circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH642482A5 true CH642482A5 (en) | 1984-04-13 |
Family
ID=27127493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1257278A CH642482A5 (en) | 1977-12-09 | 1978-12-08 | Electrical safety device for quick-action disconnection of an electrical mains circuit |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH642482A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2852317A1 (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT387111B (de) * | 1985-01-18 | 1988-12-12 | Zankel Franz Dipl Ing | Fehlerstromschutzschalter |
| IT1320567B1 (it) * | 2000-07-28 | 2003-12-10 | Andrea Mele | Dispositivo d'emergenza per l'interruzione dell'erogazione di energiaelettrica fornita da una rete di alimentazione. |
| FR2817978B1 (fr) * | 2000-12-11 | 2003-01-10 | Schneider Electric Ind Sa | Interface de securite pour organes electriques |
| EP1276127A1 (de) * | 2001-07-13 | 2003-01-15 | ABB Schweiz AG | Fehlerstromschutzgerät |
| DE10143896C1 (de) * | 2001-09-07 | 2003-03-06 | Metabowerke Gmbh | Elektrohandwerkszeug, insbesondere Bohrmaschine, mit Ableitstromsensorik |
| ITTO20090326A1 (it) * | 2009-04-24 | 2010-10-25 | Sbardella Marco | Dispositivo di sicurezza elettrica per gas infiammabili e/o esplosivi |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2504494A (en) * | 1940-03-05 | 1950-04-18 | Emi Ltd | Transmission line seal for electron discharge devices |
| US3984765A (en) * | 1974-09-27 | 1976-10-05 | Rocci Jr Joseph A | Power outlet circuit tester with ground fault testing capability |
| US4013929A (en) * | 1975-04-14 | 1977-03-22 | Square D Company | Multiple duty components of a ground fault receptacle |
| DE2740744C2 (de) * | 1977-09-09 | 1979-09-06 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Einrichtung zum Fernabschalten von Verbrauchern |
| GB2504494A (en) | 2012-07-30 | 2014-02-05 | Eaton Aerospace Ltd | Phase loss or input voltage drop detection using common-mode voltage in rectified signal |
-
1978
- 1978-12-04 DE DE19782852317 patent/DE2852317A1/de active Granted
- 1978-12-08 CH CH1257278A patent/CH642482A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2852317C2 (enrdf_load_stackoverflow) | 1989-05-03 |
| DE2852317A1 (de) | 1979-06-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |