AT318051B - Schutzschalter, insbesondere Fehlerstromschutzschalter - Google Patents
Schutzschalter, insbesondere FehlerstromschutzschalterInfo
- Publication number
- AT318051B AT318051B AT38373A AT38373A AT318051B AT 318051 B AT318051 B AT 318051B AT 38373 A AT38373 A AT 38373A AT 38373 A AT38373 A AT 38373A AT 318051 B AT318051 B AT 318051B
- Authority
- AT
- Austria
- Prior art keywords
- circuit breakers
- residual current
- particular residual
- current circuit
- breakers
- Prior art date
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21877172A | 1972-01-18 | 1972-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT318051B true AT318051B (de) | 1974-09-25 |
Family
ID=22816443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT38373A AT318051B (de) | 1972-01-18 | 1973-01-18 | Schutzschalter, insbesondere Fehlerstromschutzschalter |
Country Status (5)
| Country | Link |
|---|---|
| JP (2) | JPS4886050A (de) |
| AT (1) | AT318051B (de) |
| CA (1) | CA1016262A (de) |
| DE (1) | DE2301757A1 (de) |
| ZA (1) | ZA728755B (de) |
-
1972
- 1972-12-12 ZA ZA728755A patent/ZA728755B/xx unknown
- 1972-12-27 CA CA159,930A patent/CA1016262A/en not_active Expired
-
1973
- 1973-01-15 DE DE2301757A patent/DE2301757A1/de not_active Withdrawn
- 1973-01-18 AT AT38373A patent/AT318051B/de not_active IP Right Cessation
- 1973-01-18 JP JP48007445A patent/JPS4886050A/ja active Pending
-
1978
- 1978-03-20 JP JP1978034806U patent/JPS53135539U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ZA728755B (en) | 1973-08-29 |
| JPS4886050A (de) | 1973-11-14 |
| DE2301757A1 (de) | 1973-07-26 |
| CA1016262A (en) | 1977-08-23 |
| JPS53135539U (de) | 1978-10-26 |
| AU5005272A (en) | 1974-06-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |