IN155998B - - Google Patents
Info
- Publication number
- IN155998B IN155998B IN145/DEL/81A IN145DE1981A IN155998B IN 155998 B IN155998 B IN 155998B IN 145DE1981 A IN145DE1981 A IN 145DE1981A IN 155998 B IN155998 B IN 155998B
- Authority
- IN
- India
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
- H02H3/402—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 using homopolar quantities
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8009709 | 1980-03-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN155998B true IN155998B (de) | 1985-04-20 |
Family
ID=10512296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN145/DEL/81A IN155998B (de) | 1980-03-21 | 1981-03-16 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4370691A (de) |
| EP (1) | EP0036752B1 (de) |
| AU (1) | AU540253B2 (de) |
| DE (1) | DE3164383D1 (de) |
| IN (1) | IN155998B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0127745D0 (en) * | 2001-11-20 | 2002-01-09 | Alstom | Protection of double circuit power lines |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE618220C (de) * | 1932-03-08 | 1935-09-06 | Siemens Schuckertwerke Akt Ges | Erdschlussschutzschaltung fuer den Schutz von Energieverteilungsnetzen mit parallelen Leitungen |
| DE1098590B (de) * | 1958-12-09 | 1961-02-02 | Elektro App Werke J W Stalin V | Schaltungsanordnung zur selektiven Abschaltung von Erdkurzschluessen auf Drehstrom-Doppelleitungen |
| CH409086A (de) * | 1963-06-17 | 1966-03-15 | Bbc Brown Boveri & Cie | Distanzschutzanordnung für parallele Leitungen in Netzen mit geerdetem Sternpunkt |
| US3430103A (en) * | 1966-10-27 | 1969-02-25 | Westinghouse Electric Corp | Mutual impedance compensation for distance relaying |
-
1981
- 1981-03-16 IN IN145/DEL/81A patent/IN155998B/en unknown
- 1981-03-18 DE DE8181301137T patent/DE3164383D1/de not_active Expired
- 1981-03-18 EP EP81301137A patent/EP0036752B1/de not_active Expired
- 1981-03-20 AU AU68564/81A patent/AU540253B2/en not_active Ceased
- 1981-03-23 US US06/246,374 patent/US4370691A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE3164383D1 (en) | 1984-08-02 |
| AU6856481A (en) | 1981-09-24 |
| AU540253B2 (en) | 1984-11-08 |
| EP0036752A1 (de) | 1981-09-30 |
| US4370691A (en) | 1983-01-25 |
| EP0036752B1 (de) | 1984-06-27 |