SE407876B - Releskydd - Google Patents
ReleskyddInfo
- Publication number
- SE407876B SE407876B SE7407137A SE7407137A SE407876B SE 407876 B SE407876 B SE 407876B SE 7407137 A SE7407137 A SE 7407137A SE 7407137 A SE7407137 A SE 7407137A SE 407876 B SE407876 B SE 407876B
- Authority
- SE
- Sweden
- Prior art keywords
- relay protection
- relay
- protection
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/267—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for parallel lines and wires
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00364449A US3845357A (en) | 1973-05-29 | 1973-05-29 | Protective relaying apparatus of the unblock type |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7407137L SE7407137L (sv) | 1974-12-20 |
SE407876B true SE407876B (sv) | 1979-04-23 |
Family
ID=23434575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7407137A SE407876B (sv) | 1973-05-29 | 1974-05-29 | Releskydd |
Country Status (10)
Country | Link |
---|---|
US (1) | US3845357A (sv) |
JP (1) | JPS5027053A (sv) |
BR (1) | BR7404282D0 (sv) |
CA (1) | CA1034243A (sv) |
DE (1) | DE2425651A1 (sv) |
ES (1) | ES426705A1 (sv) |
FR (1) | FR2232118B1 (sv) |
GB (1) | GB1474234A (sv) |
IT (1) | IT1013910B (sv) |
SE (1) | SE407876B (sv) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5542272A (en) * | 1978-09-21 | 1980-03-25 | Sumitomo Metal Mining Co | Manufacture of waterproofing vaporrcuring light weight foamed concrete |
JPS55162467A (en) * | 1979-05-30 | 1980-12-17 | Sumitomo Metal Mining Co | Manufacture of waterproofing vaporrcured lightweight foamed concrete |
DE2930067A1 (de) * | 1979-07-02 | 1981-01-08 | Bbc Brown Boveri & Cie | Verfahren und einrichtung fuer den kurzschlusschutz von wechselstromleitungen |
US4528611A (en) * | 1983-02-22 | 1985-07-09 | Westinghouse Electric Corp. | Relay for pilot protection of electrical power lines |
AU7624794A (en) * | 1993-09-04 | 1995-03-27 | Jin Kwang Corporation | Power distribution line switching method and control system therefor |
US20230387679A1 (en) * | 2022-05-30 | 2023-11-30 | Hd Hyundai Electric Co., Ltd. | Protection method and protection system of ship's power distribution system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3273017A (en) * | 1963-01-07 | 1966-09-13 | Gen Electric | Ground fault responsive directional comparison protective system for an electric powder transmission line |
US3277343A (en) * | 1963-02-06 | 1966-10-04 | Gen Electric | Fault responsive protective system for an electric power transmission line |
US3312866A (en) * | 1964-08-26 | 1967-04-04 | Westinghouse Electric Corp | Distance relay actuated phase comparison relaying device |
-
1973
- 1973-05-29 US US00364449A patent/US3845357A/en not_active Expired - Lifetime
-
1974
- 1974-05-13 GB GB2105974A patent/GB1474234A/en not_active Expired
- 1974-05-27 BR BR4282/74A patent/BR7404282D0/pt unknown
- 1974-05-27 CA CA200,957A patent/CA1034243A/en not_active Expired
- 1974-05-28 IT IT41610/74A patent/IT1013910B/it active
- 1974-05-28 ES ES426705A patent/ES426705A1/es not_active Expired
- 1974-05-28 DE DE19742425651 patent/DE2425651A1/de not_active Withdrawn
- 1974-05-29 FR FR7418657A patent/FR2232118B1/fr not_active Expired
- 1974-05-29 SE SE7407137A patent/SE407876B/sv unknown
- 1974-05-29 JP JP49059808A patent/JPS5027053A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US3845357A (en) | 1974-10-29 |
BR7404282D0 (pt) | 1975-01-07 |
JPS5027053A (sv) | 1975-03-20 |
CA1034243A (en) | 1978-07-04 |
FR2232118A1 (sv) | 1974-12-27 |
ES426705A1 (es) | 1976-07-16 |
DE2425651A1 (de) | 1974-12-19 |
IT1013910B (it) | 1977-03-30 |
FR2232118B1 (sv) | 1982-01-29 |
SE7407137L (sv) | 1974-12-20 |
GB1474234A (en) | 1977-05-18 |
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