BE389332A - - Google Patents
Info
- Publication number
- BE389332A BE389332A BE389332DA BE389332A BE 389332 A BE389332 A BE 389332A BE 389332D A BE389332D A BE 389332DA BE 389332 A BE389332 A BE 389332A
- Authority
- BE
- Belgium
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
- H02H7/04—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 for transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Keying Circuit Devices (AREA)
- Protection Of Transformers (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1930A0024130 DE593448C (de) | 1930-06-07 | 1930-06-07 | Einrichtung fuer den Selektivschutz von Transformatoren gegen Kurzschluesse mittels Impedanzzeitrelais |
| DEA62363D DE620004C (de) | 1930-06-07 | 1931-06-20 | Einrichtung fuer den Selektivschutz von Transformatoren gegen Kurzschluesse mittels Impedanzzeitrelais |
| GB17442/32A GB407906A (en) | 1930-06-07 | 1932-06-20 | Improvements in and relating to protective arrangements for transformers and bus bars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE389332A true BE389332A (en(2012)) |
Family
ID=31888957
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE389332D BE389332A (en(2012)) | 1930-06-07 | ||
| BE380333D BE380333A (en(2012)) | 1930-06-07 | 1931-06-07 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE380333D BE380333A (en(2012)) | 1930-06-07 | 1931-06-07 |
Country Status (4)
| Country | Link |
|---|---|
| BE (2) | BE380333A (en(2012)) |
| DE (2) | DE593448C (en(2012)) |
| FR (2) | FR718128A (en(2012)) |
| GB (2) | GB389444A (en(2012)) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE881823C (de) * | 1941-10-02 | 1953-07-02 | Aeg | Schutzeinrichtung fuer Sammelschienen in beliebig gespeisten Netzwerken mit einer beliebigen Anzahl von insbesondere mehreren Abzweigen |
| US2439165A (en) * | 1944-02-17 | 1948-04-06 | Ite Circuit Breaker Ltd | Selective tripping of circuit breakers in a system |
| US2531146A (en) * | 1948-12-02 | 1950-11-21 | Gen Electric | System of polarizing relays |
-
0
- BE BE389332D patent/BE389332A/xx unknown
-
1930
- 1930-06-07 DE DE1930A0024130 patent/DE593448C/de not_active Expired
-
1931
- 1931-06-04 FR FR718128D patent/FR718128A/fr not_active Expired
- 1931-06-07 BE BE380333D patent/BE380333A/xx unknown
- 1931-06-08 GB GB16693/31A patent/GB389444A/en not_active Expired
- 1931-06-20 DE DEA62363D patent/DE620004C/de not_active Expired
-
1932
- 1932-06-18 FR FR42396D patent/FR42396E/fr not_active Expired
- 1932-06-20 GB GB17442/32A patent/GB407906A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR42396E (fr) | 1933-07-11 |
| FR718128A (fr) | 1932-01-19 |
| DE593448C (de) | 1934-02-26 |
| DE620004C (de) | 1935-10-14 |
| BE380333A (en(2012)) | 1931-07-31 |
| GB389444A (en) | 1933-03-16 |
| GB407906A (en) | 1934-03-29 |