FR783830A - Indicateur d'amorcages en retour pour redresseurs à arc à vapeur de mercure - Google Patents
Indicateur d'amorcages en retour pour redresseurs à arc à vapeur de mercureInfo
- Publication number
- FR783830A FR783830A FR783830DA FR783830A FR 783830 A FR783830 A FR 783830A FR 783830D A FR783830D A FR 783830DA FR 783830 A FR783830 A FR 783830A
- Authority
- FR
- France
- Prior art keywords
- mercury vapor
- vapor arc
- ignition indicator
- arc rectifiers
- return ignition
- 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
- H02H7/10—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 converters; for rectifiers
- H02H7/12—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 converters; for rectifiers for static converters or rectifiers
- H02H7/1209—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 converters; for rectifiers for static converters or rectifiers for converters using only discharge tubes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
- H01H47/12—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for biasing the electromagnet
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Breakers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US670480A US2020952A (en) | 1933-05-11 | 1933-05-11 | Backfiring indicator for mercury arc rectifiers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR783830A true FR783830A (fr) | 1935-07-18 |
Family
ID=24690562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR783830D Expired FR783830A (fr) | 1933-05-11 | 1934-05-08 | Indicateur d'amorcages en retour pour redresseurs à arc à vapeur de mercure |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2020952A (fr) |
| DE (1) | DE642943C (fr) |
| FR (1) | FR783830A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2467720A (en) * | 1944-09-28 | 1949-04-19 | Westinghouse Electric Corp | Circuit breaker |
| US2556204A (en) * | 1949-02-03 | 1951-06-12 | Joseph M Marzolf | Reverse current cutout relay system |
-
1933
- 1933-05-11 US US670480A patent/US2020952A/en not_active Expired - Lifetime
-
1934
- 1934-05-08 FR FR783830D patent/FR783830A/fr not_active Expired
- 1934-05-10 DE DES113900D patent/DE642943C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE642943C (de) | 1937-03-19 |
| US2020952A (en) | 1935-11-12 |
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