FI43451B - - Google Patents
Info
- Publication number
- FI43451B FI43451B FI2451/67A FI245167A FI43451B FI 43451 B FI43451 B FI 43451B FI 2451/67 A FI2451/67 A FI 2451/67A FI 245167 A FI245167 A FI 245167A FI 43451 B FI43451 B FI 43451B
- Authority
- FI
- Finland
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
- H02H3/40—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 ratio of voltage and current
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
-
- 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
- H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Locating Faults (AREA)
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (AREA)
- Apparatus For Making Beverages (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO164704A NO116208B (fi) | 1966-09-13 | 1966-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI43451B true FI43451B (fi) | 1970-12-31 |
Family
ID=19909706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI2451/67A FI43451B (fi) | 1966-09-13 | 1967-09-13 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3474333A (fi) |
| JP (1) | JPS4715499B1 (fi) |
| CH (1) | CH453495A (fi) |
| DE (1) | DE1591882C3 (fi) |
| DK (1) | DK132727C (fi) |
| FI (1) | FI43451B (fi) |
| GB (1) | GB1204901A (fi) |
| NO (1) | NO116208B (fi) |
| SE (1) | SE343146B (fi) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1192640A (en) * | 1967-09-22 | 1970-05-20 | English Electric Co Ltd | Improvements in Distance Relays |
| FR1566425A (fi) * | 1968-02-27 | 1969-05-09 | ||
| FR2070638A5 (fi) * | 1969-12-11 | 1971-09-10 | Compteurs Comp D | |
| US3599044A (en) * | 1970-04-30 | 1971-08-10 | Fuji Electric Co Ltd | Superhigh-speed relaying system and apparatus for protection of power systems |
| FR2380631A1 (fr) * | 1977-02-09 | 1978-09-08 | Schlumberger Compteurs | Relais directionnel |
| JPS55125025A (en) * | 1979-03-19 | 1980-09-26 | Tokyo Electric Power Co | Digital distance relay |
| US4371907A (en) * | 1981-08-11 | 1983-02-01 | Westinghouse Canada Inc. | Protective relay apparatus and methods for protecting electrical power transmission lines |
| US4471294A (en) * | 1982-10-29 | 1984-09-11 | The United States Of America As Represented By The Secretary Of The Army | Electrical conduit defect location |
| US8941387B2 (en) | 2010-10-12 | 2015-01-27 | Howard University | Apparatus and method for fault detection and location determination |
| GB201522489D0 (en) | 2015-12-21 | 2016-02-03 | Rolls Royce Plc | Electrical fault location method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB991198A (en) * | 1962-12-07 | 1965-05-05 | Ass Elect Ind | Improvements in and relating to apparatus for detecting the location of an electric line fault |
-
1966
- 1966-09-13 NO NO164704A patent/NO116208B/no unknown
-
1967
- 1967-09-04 JP JP5646867A patent/JPS4715499B1/ja active Pending
- 1967-09-07 DK DK449967A patent/DK132727C/da active
- 1967-09-08 GB GB41246/67A patent/GB1204901A/en not_active Expired
- 1967-09-08 CH CH1257267A patent/CH453495A/fr unknown
- 1967-09-11 US US666719A patent/US3474333A/en not_active Expired - Lifetime
- 1967-09-12 DE DE1591882A patent/DE1591882C3/de not_active Expired
- 1967-09-13 FI FI2451/67A patent/FI43451B/fi active
- 1967-09-13 SE SE12638/67A patent/SE343146B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE343146B (fi) | 1972-02-28 |
| NO116208B (fi) | 1969-02-17 |
| DK132727B (da) | 1976-01-26 |
| JPS4715499B1 (fi) | 1972-05-09 |
| DE1591882A1 (de) | 1971-01-07 |
| CH453495A (fr) | 1968-06-14 |
| GB1204901A (en) | 1970-09-09 |
| DE1591882C3 (de) | 1979-08-16 |
| US3474333A (en) | 1969-10-21 |
| DE1591882B2 (de) | 1976-04-08 |
| DK132727C (da) | 1976-06-21 |