SE7810308L - COUPLING DEVICE FOR PROTECTION OF TWO ANTIPARALLEL COUPLED CONTROLLABLE SEMI-LEADER VALVES AGAINST OVERVOLTAGE - Google Patents
COUPLING DEVICE FOR PROTECTION OF TWO ANTIPARALLEL COUPLED CONTROLLABLE SEMI-LEADER VALVES AGAINST OVERVOLTAGEInfo
- Publication number
- SE7810308L SE7810308L SE7810308A SE7810308A SE7810308L SE 7810308 L SE7810308 L SE 7810308L SE 7810308 A SE7810308 A SE 7810308A SE 7810308 A SE7810308 A SE 7810308A SE 7810308 L SE7810308 L SE 7810308L
- Authority
- SE
- Sweden
- Prior art keywords
- leader
- protection
- coupling device
- against overvoltage
- valves against
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
- H03K17/0824—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in thyristor switches
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
- Arc Welding Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2744961A DE2744961C2 (en) | 1977-10-06 | 1977-10-06 | Surge protection arrangement for the AC power controller of a welding transformer |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7810308L true SE7810308L (en) | 1979-04-07 |
SE440713B SE440713B (en) | 1985-08-12 |
Family
ID=6020810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7810308A SE440713B (en) | 1977-10-06 | 1978-10-02 | CLUTCH DEVICE FOR PROTECTION OF TWO ANTI-PARALLEL CONNECTOR, CONTROLLABLE SEMICONDUCTOR VALVES |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA1132656A (en) |
CH (1) | CH632358A5 (en) |
DE (1) | DE2744961C2 (en) |
GB (1) | GB2005493B (en) |
SE (1) | SE440713B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3131894A1 (en) * | 1981-08-12 | 1983-02-24 | Siemens AG, 1000 Berlin und 8000 München | IGNITION SWITCHING FOR A POWER TYRISTOR |
DE3311667C2 (en) * | 1983-03-30 | 1986-02-13 | Siemens AG, 1000 Berlin und 8000 München | Arrangement for the feedback of protective ignitions with two series-connected counter-parallel thyristor pairs |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2258112B2 (en) * | 1972-11-28 | 1978-02-23 | Brown, Boveri & Cie Ag, 6800 Mannheim | PROTECTIVE CIRCUIT TO PROTECT THYRISTORS AGAINST OVERVOLTAGE |
-
1977
- 1977-10-06 DE DE2744961A patent/DE2744961C2/en not_active Expired
-
1978
- 1978-10-02 SE SE7810308A patent/SE440713B/en not_active IP Right Cessation
- 1978-10-02 CH CH1021578A patent/CH632358A5/en not_active IP Right Cessation
- 1978-10-04 GB GB7839320A patent/GB2005493B/en not_active Expired
- 1978-10-06 CA CA312,832A patent/CA1132656A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1132656A (en) | 1982-09-28 |
SE440713B (en) | 1985-08-12 |
GB2005493B (en) | 1982-04-28 |
DE2744961A1 (en) | 1979-04-12 |
CH632358A5 (en) | 1982-09-30 |
GB2005493A (en) | 1979-04-19 |
DE2744961C2 (en) | 1985-07-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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