RO72446A - CIRCUIT FOR THE USE OF LOW VOLTAGE ALTERNATING CURRENT VOLTAGE CONTACTORS FOR CONNECTING TO CONTINUOUS CURRENT CIRCUITS - Google Patents
CIRCUIT FOR THE USE OF LOW VOLTAGE ALTERNATING CURRENT VOLTAGE CONTACTORS FOR CONNECTING TO CONTINUOUS CURRENT CIRCUITSInfo
- Publication number
- RO72446A RO72446A RO7685285A RO8528576A RO72446A RO 72446 A RO72446 A RO 72446A RO 7685285 A RO7685285 A RO 7685285A RO 8528576 A RO8528576 A RO 8528576A RO 72446 A RO72446 A RO 72446A
- Authority
- RO
- Romania
- Prior art keywords
- circuit
- alternating current
- low voltage
- contactors
- circuits
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
- H01H33/596—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle for interrupting dc
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD18558775A DD119096A1 (en) | 1975-04-22 | 1975-04-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
RO72446A true RO72446A (en) | 1981-06-26 |
Family
ID=5500022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO7685285A RO72446A (en) | 1975-04-22 | 1976-03-24 | CIRCUIT FOR THE USE OF LOW VOLTAGE ALTERNATING CURRENT VOLTAGE CONTACTORS FOR CONNECTING TO CONTINUOUS CURRENT CIRCUITS |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT361077B (en) |
CS (1) | CS188461B1 (en) |
DD (1) | DD119096A1 (en) |
DE (1) | DE2608264A1 (en) |
HU (1) | HU172349B (en) |
PL (1) | PL104807B1 (en) |
RO (1) | RO72446A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1176978B (en) * | 1984-10-16 | 1987-08-26 | Sace Spa | DEVICE FOR THE PREPARATION OF THE DURATION OF THE ARC ON A LOW-MEDIUM VOLTAGE VACUUM SWITCH FOR DIRECT CURRENT |
US4862313A (en) * | 1987-12-11 | 1989-08-29 | Hitachi, Ltd. | Driving apparatus for DC circuit breakers |
JP3114328B2 (en) * | 1992-02-20 | 2000-12-04 | 株式会社日立製作所 | DC circuit breaker |
DE4447391C1 (en) * | 1994-12-23 | 1996-06-05 | Siemens Ag | Vacuum switch |
DE102005031761B3 (en) * | 2005-07-07 | 2006-08-24 | Howaldtswerke-Deutsche Werft Gmbh | Watercraft e.g. submarine boat, has circuit breaker provided between power source and electrical load, where circuit breaker is formed by vacuum switch having commutation device arranged outside of cylindrical housing |
-
1975
- 1975-04-22 DD DD18558775A patent/DD119096A1/xx unknown
-
1976
- 1976-02-27 AT AT148976A patent/AT361077B/en not_active IP Right Cessation
- 1976-02-28 DE DE19762608264 patent/DE2608264A1/en not_active Ceased
- 1976-03-22 HU HU76EE00002412A patent/HU172349B/en unknown
- 1976-03-24 RO RO7685285A patent/RO72446A/en unknown
- 1976-04-16 CS CS255876A patent/CS188461B1/en unknown
- 1976-04-24 PL PL18891076A patent/PL104807B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
AT361077B (en) | 1981-02-25 |
DE2608264A1 (en) | 1976-11-04 |
PL104807B1 (en) | 1979-09-29 |
ATA148976A (en) | 1980-07-15 |
CS188461B1 (en) | 1979-03-30 |
HU172349B (en) | 1978-08-28 |
DD119096A1 (en) | 1976-04-05 |
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