FR2319228B1 - - Google Patents
Info
- Publication number
- FR2319228B1 FR2319228B1 FR7622303A FR7622303A FR2319228B1 FR 2319228 B1 FR2319228 B1 FR 2319228B1 FR 7622303 A FR7622303 A FR 7622303A FR 7622303 A FR7622303 A FR 7622303A FR 2319228 B1 FR2319228 B1 FR 2319228B1
- Authority
- FR
- France
- 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.)
- Expired
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
- H02H3/38—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
- H02H3/385—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 using at least one homopolar quantity
-
- 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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB30603/75A GB1526412A (en) | 1975-07-22 | 1975-07-22 | Directional relays |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2319228A1 FR2319228A1 (fr) | 1977-02-18 |
| FR2319228B1 true FR2319228B1 (US20020095090A1-20020718-M00002.png) | 1982-10-22 |
Family
ID=10310238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7622303A Granted FR2319228A1 (fr) | 1975-07-22 | 1976-07-21 | Relais directionnel pour ligne de transport d'energie electrique polyphasee |
Country Status (4)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4293886A (en) * | 1979-12-17 | 1981-10-06 | Westinghouse Electric Corp. | Network protector relay |
| JPS60180424A (ja) * | 1984-02-28 | 1985-09-14 | 三菱電機株式会社 | 短絡距離継電器 |
| US10938314B2 (en) | 2018-07-23 | 2021-03-02 | Smart Wires Inc. | Early detection of faults in power transmission lines |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3048744A (en) * | 1953-08-25 | 1962-08-07 | English Electric Co Ltd | Electrical protective relay systems |
| US2922109A (en) * | 1954-11-19 | 1960-01-19 | Gen Electric | Electric phase discriminator |
| FR1162309A (fr) * | 1956-11-08 | 1958-09-11 | Cfcmug | Dispositif de protection électrique |
| DE1164553B (de) * | 1961-02-24 | 1964-03-05 | Westinghouse Electric Corp | Schutzrelaisanordnung |
| FR1300532A (fr) * | 1961-09-14 | 1962-08-03 | Dispositif pour la mise à la terre sélective des lignes électriques | |
| FR2058166A1 (US20020095090A1-20020718-M00002.png) * | 1969-08-11 | 1971-05-28 | Compteurs Comp D | |
| GB1422346A (US20020095090A1-20020718-M00002.png) * | 1972-11-28 | 1976-01-28 | ||
| CH565469A5 (US20020095090A1-20020718-M00002.png) * | 1973-06-07 | 1975-08-15 | Bbc Brown Boveri & Cie |
-
1975
- 1975-07-22 GB GB30603/75A patent/GB1526412A/en not_active Expired
-
1976
- 1976-07-14 IN IN1262/CAL/76A patent/IN146318B/en unknown
- 1976-07-19 US US05/706,515 patent/US4130851A/en not_active Expired - Lifetime
- 1976-07-21 FR FR7622303A patent/FR2319228A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| IN146318B (US20020095090A1-20020718-M00002.png) | 1979-04-28 |
| FR2319228A1 (fr) | 1977-02-18 |
| AU1601876A (en) | 1978-01-26 |
| US4130851A (en) | 1978-12-19 |
| GB1526412A (en) | 1978-09-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |