FR706810A - Systèmes de protection des lignes de transmission - Google Patents
Systèmes de protection des lignes de transmissionInfo
- Publication number
- FR706810A FR706810A FR706810DA FR706810A FR 706810 A FR706810 A FR 706810A FR 706810D A FR706810D A FR 706810DA FR 706810 A FR706810 A FR 706810A
- Authority
- FR
- France
- Prior art keywords
- transmission line
- protection systems
- line protection
- systems
- transmission
- Prior art date
- 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
- H02H3/26—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
- H02H3/32—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/325—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors involving voltage comparison
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US411946A US1884444A (en) | 1929-12-05 | 1929-12-05 | Transmission line protective system |
Publications (1)
Publication Number | Publication Date |
---|---|
FR706810A true FR706810A (fr) | 1931-06-30 |
Family
ID=23630926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR706810D Expired FR706810A (fr) | 1929-12-05 | 1930-12-01 | Systèmes de protection des lignes de transmission |
Country Status (2)
Country | Link |
---|---|
US (1) | US1884444A (fr) |
FR (1) | FR706810A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2003481A1 (fr) * | 1968-03-08 | 1969-11-07 | Chisso Corp | |
FR2501559A1 (fr) * | 1981-03-10 | 1982-09-17 | Toyoda Machine Works Ltd | Appareil de detection de contact entre pieces conductrices, destine a etre utilise par exemple dans une machine-outil |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3158783A (en) * | 1958-09-29 | 1964-11-24 | Mc Graw Edison Co | Capacitor bank protective means having unbalance current compensation |
US3093771A (en) * | 1960-01-12 | 1963-06-11 | Robert J Carl | A. c. modulator protective device |
-
1929
- 1929-12-05 US US411946A patent/US1884444A/en not_active Expired - Lifetime
-
1930
- 1930-12-01 FR FR706810D patent/FR706810A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2003481A1 (fr) * | 1968-03-08 | 1969-11-07 | Chisso Corp | |
FR2501559A1 (fr) * | 1981-03-10 | 1982-09-17 | Toyoda Machine Works Ltd | Appareil de detection de contact entre pieces conductrices, destine a etre utilise par exemple dans une machine-outil |
Also Published As
Publication number | Publication date |
---|---|
US1884444A (en) | 1932-10-25 |
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