FR701386A - Systèmes de relais électriques - Google Patents
Systèmes de relais électriquesInfo
- Publication number
- FR701386A FR701386A FR701386DA FR701386A FR 701386 A FR701386 A FR 701386A FR 701386D A FR701386D A FR 701386DA FR 701386 A FR701386 A FR 701386A
- Authority
- FR
- France
- Prior art keywords
- relay
- current
- fault
- aug
- class
- 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
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of DC component by short circuits in AC networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of DC component by short circuits in AC networks
- H02H1/043—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of DC component by short circuits in AC networks to inrush currents
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US353732XA | 1929-08-26 | 1929-08-26 | |
| US586174XA | 1929-08-26 | 1929-08-26 | |
| US701386XA | 1929-08-26 | 1929-08-26 | |
| US422965A US1924307A (en) | 1929-08-26 | 1930-01-23 | Relay system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR701386A true FR701386A (fr) | 1931-03-16 |
Family
ID=49945868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR701386D Expired FR701386A (fr) | 1929-08-26 | 1930-08-23 | Systèmes de relais électriques |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1924307A (fr) |
| DE (1) | DE586174C (fr) |
| FR (1) | FR701386A (fr) |
| GB (1) | GB353732A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2434595A (en) * | 1943-11-06 | 1948-01-13 | Westinghouse Electric Corp | Magnetizing-inrush tripping suppressor |
| US2600204A (en) * | 1950-04-15 | 1952-06-10 | Westinghouse Electric Corp | Compensated potential device circuits |
| US4060329A (en) * | 1975-10-23 | 1977-11-29 | General Electric Company | Method and apparatus for measuring deflection of rotating airfoils |
-
1930
- 1930-01-23 US US422965A patent/US1924307A/en not_active Expired - Lifetime
- 1930-08-15 DE DE1930586174D patent/DE586174C/de not_active Expired
- 1930-08-22 GB GB25168/30A patent/GB353732A/en not_active Expired
- 1930-08-23 FR FR701386D patent/FR701386A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB353732A (en) | 1931-07-30 |
| DE586174C (de) | 1933-10-18 |
| US1924307A (en) | 1933-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR701386A (fr) | Systèmes de relais électriques | |
| US1770398A (en) | Electric protective system | |
| GB380808A (en) | Improvements in or relating to protective cut-out systems | |
| US2320123A (en) | Protection of alternating current electric systems | |
| US1988121A (en) | Protective means for delta connected transmission lines | |
| US1732977A (en) | Circuit protection | |
| US1695885A (en) | Protective system | |
| US1617377A (en) | Relay | |
| US2065339A (en) | System of alternating current distribution | |
| US1713209A (en) | Automatic reclosing circuit-breaker system | |
| US1534697A (en) | Protective system | |
| US1729405A (en) | Relay system | |
| US1573623A (en) | Protective system | |
| US1785712A (en) | System of electric distribution | |
| US2008532A (en) | Protective arrangement for alternating-current power systems | |
| US1504568A (en) | Electrical protective device | |
| GB366108A (en) | An arrangement for the selective distance protection of polyphase lines | |
| GB549679A (en) | Improvements in or relating to control and protective systems for electrical apparatus | |
| GB238911A (en) | Protective arrangement for a polyphase alternating electric current circuit and the like | |
| GB521541A (en) | Improvements in or relating to electric protective arrangements | |
| GB195984A (en) | Improvements in protective systems for electric circuits | |
| GB423955A (en) | Improvements in or relating to protective systems for sectionalised electric supply networks | |
| GB341831A (en) | Improvements relating to circuit breakers for direct current electric circuits | |
| GB521730A (en) | Improvements in or relating to control and protective systems for electrical apparatus | |
| GB271153A (en) | Improvements in or relating to protective arrangements for a.c. electric circuits |