GB377829A - Improvements in and relating to the protection of direct current networks - Google Patents
Improvements in and relating to the protection of direct current networksInfo
- Publication number
- GB377829A GB377829A GB24755/31A GB2475531A GB377829A GB 377829 A GB377829 A GB 377829A GB 24755/31 A GB24755/31 A GB 24755/31A GB 2475531 A GB2475531 A GB 2475531A GB 377829 A GB377829 A GB 377829A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- protection
- direct current
- current
- sept
- 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
- 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
- H02H7/268—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 dc systems
Landscapes
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR569238X | 1930-09-26 | ||
FR702656T | 1930-09-26 | ||
FR377829X | 1930-09-26 | ||
FR1890775X | 1930-09-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB377829A true GB377829A (en) | 1932-08-04 |
Family
ID=69645867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB24755/31A Expired GB377829A (en) | 1930-09-26 | 1931-09-03 | Improvements in and relating to the protection of direct current networks |
Country Status (4)
Country | Link |
---|---|
US (1) | US1890775A (fr) |
DE (1) | DE569238C (fr) |
FR (1) | FR702656A (fr) |
GB (1) | GB377829A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT454583A (fr) * | 1948-07-30 |
-
1930
- 1930-09-26 FR FR702656D patent/FR702656A/fr not_active Expired
-
1931
- 1931-08-23 DE DEU11417D patent/DE569238C/de not_active Expired
- 1931-09-03 GB GB24755/31A patent/GB377829A/en not_active Expired
- 1931-09-10 US US562184A patent/US1890775A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE569238C (de) | 1933-01-31 |
FR702656A (fr) | 1931-04-14 |
US1890775A (en) | 1932-12-13 |
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