SE338802B - - Google Patents
Info
- Publication number
- SE338802B SE338802B SE1153768A SE1153768A SE338802B SE 338802 B SE338802 B SE 338802B SE 1153768 A SE1153768 A SE 1153768A SE 1153768 A SE1153768 A SE 1153768A SE 338802 B SE338802 B SE 338802B
- Authority
- SE
- Sweden
Links
Classifications
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- 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
- H02H7/055—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 for tapped transformers or tap-changing means thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
- H01H9/541—Contacts shunted by semiconductor devices
- H01H9/542—Contacts shunted by static switch means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1967M0075368 DE1298619B (de) | 1967-08-31 | 1967-08-31 | Anordnung zur Verringerung von Spannungsspruengen beim Umschalten von Stufenschaltern fuer Regeltransformatoren mit antiparallel geschalteten Thyristorpaaren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE338802B true SE338802B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-09-20 |
Family
ID=7316282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1153768A SE338802B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-08-31 | 1968-08-28 |
Country Status (4)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2611570C2 (de) * | 1976-03-19 | 1985-05-15 | Transformatoren Union Ag, 7000 Stuttgart | Lastumschalter für Transformatoren |
| CH629622A5 (de) * | 1978-04-10 | 1982-04-30 | Bbc Brown Boveri & Cie | Schwenktransformator zur stufenweisen einstellung des uebersetzungsverhaeltnisses und der phasenschwenkung und verfahren zum betrieb des schwenktransformators. |
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1967
- 1967-08-31 DE DE1967M0075368 patent/DE1298619B/de active Pending
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1968
- 1968-08-08 FR FR1576882D patent/FR1576882A/fr not_active Expired
- 1968-08-13 CH CH1230668A patent/CH468122A/de unknown
- 1968-08-28 SE SE1153768A patent/SE338802B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1298619B (de) | 1969-07-03 |
| CH468122A (de) | 1969-01-31 |
| FR1576882A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-08-01 |