JPS4412330B1 - - Google Patents
Info
- Publication number
- JPS4412330B1 JPS4412330B1 JP3892766A JP3892766A JPS4412330B1 JP S4412330 B1 JPS4412330 B1 JP S4412330B1 JP 3892766 A JP3892766 A JP 3892766A JP 3892766 A JP3892766 A JP 3892766A JP S4412330 B1 JPS4412330 B1 JP S4412330B1
- Authority
- JP
- Japan
- 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.)
- Pending
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)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US464771A US3381178A (en) | 1965-06-17 | 1965-06-17 | Relaying system for high voltage transmission line utilizing a coupling capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4412330B1 true JPS4412330B1 (enExample) | 1969-06-04 |
Family
ID=23845164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3892766A Pending JPS4412330B1 (enExample) | 1965-06-17 | 1966-06-17 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3381178A (enExample) |
| JP (1) | JPS4412330B1 (enExample) |
| CH (1) | CH435421A (enExample) |
| DE (1) | DE1563913A1 (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3470418A (en) * | 1967-06-06 | 1969-09-30 | Westinghouse Electric Corp | Phase comparison relaying network |
| US3683519A (en) * | 1969-12-31 | 1972-08-15 | Adelene Creamer | Non-slip foot device |
| US3679937A (en) * | 1970-11-24 | 1972-07-25 | Novocherkassky Politekhmichesk | Method of and apparatus for blocking phase-comparison protection |
| US3898531A (en) * | 1974-01-25 | 1975-08-05 | Westinghouse Electric Corp | Segregated phase comparison relaying apparatus |
| SE525006C2 (sv) * | 2002-11-13 | 2004-11-09 | Abb Ab | Hjälpkraftförsörjning |
| CN103633734B (zh) * | 2007-05-29 | 2016-03-02 | Abb技术有限公司 | 电源设备 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2692352A (en) * | 1952-04-26 | 1954-10-19 | Robert I Ward | Relaying system |
| US3311785A (en) * | 1964-08-11 | 1967-03-28 | Westinghouse Electric Corp | Transistorized phase comparison relaying |
-
1965
- 1965-06-17 US US464771A patent/US3381178A/en not_active Expired - Lifetime
-
1966
- 1966-04-20 DE DE19661563913 patent/DE1563913A1/de active Pending
- 1966-05-10 CH CH677366A patent/CH435421A/de unknown
- 1966-06-17 JP JP3892766A patent/JPS4412330B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH435421A (de) | 1967-05-15 |
| US3381178A (en) | 1968-04-30 |
| DE1563913A1 (de) | 1970-02-19 |