DE856759C - Elektrothermischer Selbstausschalter oder Schutzapparat fuer elektrische Mehrphasenkreise - Google Patents
Elektrothermischer Selbstausschalter oder Schutzapparat fuer elektrische MehrphasenkreiseInfo
- Publication number
- DE856759C DE856759C DEB10810A DEB0010810A DE856759C DE 856759 C DE856759 C DE 856759C DE B10810 A DEB10810 A DE B10810A DE B0010810 A DEB0010810 A DE B0010810A DE 856759 C DE856759 C DE 856759C
- Authority
- DE
- Germany
- Prior art keywords
- contact
- contacts
- switch
- overload
- arm
- 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
- 230000013011 mating Effects 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 210000000689 upper leg Anatomy 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
- H02H3/34—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
-
- 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
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/142—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with bimetal elements
Landscapes
- Protection Of Generators And Motors (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB868844A GB577092A (en) | 1944-05-08 | 1944-05-08 | Improvements in electric cut-out or protective apparatus suitable for polyphase circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE856759C true DE856759C (de) | 1952-11-24 |
Family
ID=9857323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEB10810A Expired DE856759C (de) | 1944-05-08 | 1950-10-01 | Elektrothermischer Selbstausschalter oder Schutzapparat fuer elektrische Mehrphasenkreise |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH247327A (fr) |
| DE (1) | DE856759C (fr) |
| GB (1) | GB577092A (fr) |
-
1944
- 1944-05-08 GB GB868844A patent/GB577092A/en not_active Expired
-
1945
- 1945-05-08 CH CH247327D patent/CH247327A/fr unknown
-
1950
- 1950-10-01 DE DEB10810A patent/DE856759C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB577092A (en) | 1946-05-03 |
| CH247327A (fr) | 1947-02-28 |
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