AT250476B - Protective device for electrical networks - Google Patents
Protective device for electrical networksInfo
- Publication number
- AT250476B AT250476B AT355365A AT355365A AT250476B AT 250476 B AT250476 B AT 250476B AT 355365 A AT355365 A AT 355365A AT 355365 A AT355365 A AT 355365A AT 250476 B AT250476 B AT 250476B
- Authority
- AT
- Austria
- Prior art keywords
- protective device
- electrical networks
- networks
- electrical
- protective
- 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
- H02H3/28—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
- H02H3/30—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel
- H02H3/302—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel involving phase comparison
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB76405A DE1203864B (en) | 1964-04-20 | 1964-04-20 | Protection device for electrical networks |
Publications (1)
Publication Number | Publication Date |
---|---|
AT250476B true AT250476B (en) | 1966-11-10 |
Family
ID=6979057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT355365A AT250476B (en) | 1964-04-20 | 1965-04-16 | Protective device for electrical networks |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT250476B (en) |
CH (1) | CH425974A (en) |
DE (1) | DE1203864B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114069574B (en) * | 2021-11-15 | 2024-10-11 | 国网上海市电力公司 | 5G power distribution network protection system and protection method considering operation conditions |
-
1964
- 1964-04-20 DE DEB76405A patent/DE1203864B/en active Pending
-
1965
- 1965-04-15 CH CH530065A patent/CH425974A/en unknown
- 1965-04-16 AT AT355365A patent/AT250476B/en active
Also Published As
Publication number | Publication date |
---|---|
CH425974A (en) | 1966-12-15 |
DE1203864B (en) | 1965-10-28 |
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