SE350143B - - Google Patents
Info
- Publication number
- SE350143B SE350143B SE01416/71A SE141671A SE350143B SE 350143 B SE350143 B SE 350143B SE 01416/71 A SE01416/71 A SE 01416/71A SE 141671 A SE141671 A SE 141671A SE 350143 B SE350143 B SE 350143B
- Authority
- SE
- Sweden
Links
Classifications
-
- 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
- H01H9/0005—Tap change devices
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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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P13/00—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output
- H02P13/06—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output by tap-changing; by rearranging interconnections of windings
-
- 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
- H01H9/548—Electromechanical and static switch connected in series
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electrical Variables (AREA)
- Ac-Ac Conversion (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE01416/71A SE350143B (US20050065096A1-20050324-C00034.png) | 1971-02-05 | 1971-02-05 | |
| US00211329A US3728611A (en) | 1971-02-05 | 1971-12-23 | Tap changer |
| NO4902/71A NO132511C (US20050065096A1-20050324-C00034.png) | 1971-02-05 | 1971-12-29 | |
| DE2203176A DE2203176C3 (de) | 1971-02-05 | 1972-01-24 | Stufenschalter zum Umschalten eines Laststromes eines Transformators |
| FR7202710A FR2124273B1 (US20050065096A1-20050324-C00034.png) | 1971-02-05 | 1972-01-27 | |
| CA133804A CA935878A (en) | 1971-02-05 | 1972-02-02 | Tap changer |
| GB529972A GB1376361A (en) | 1971-02-05 | 1972-02-04 | Transformer tap changer |
| IT67342/72A IT952862B (it) | 1971-02-05 | 1972-02-04 | Cambio tensioni d uscita per trasformatori elettrici |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE01416/71A SE350143B (US20050065096A1-20050324-C00034.png) | 1971-02-05 | 1971-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE350143B true SE350143B (US20050065096A1-20050324-C00034.png) | 1972-10-16 |
Family
ID=20258149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE01416/71A SE350143B (US20050065096A1-20050324-C00034.png) | 1971-02-05 | 1971-02-05 |
Country Status (8)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2207367C2 (de) * | 1972-02-17 | 1974-02-28 | Reinhausen Maschf Scheubeck | Anordnung zur Verhinderung von Stufenkurzschlüssen bei Lastumschaltern von Stufentransformatoren mit antiparallel geschalteten Thyristoren |
| AU5620873A (en) * | 1972-06-16 | 1974-11-28 | F. Hoffmann-Laroche & Co. Aktiengesellschaft | Polyene derivatives |
| US3944913A (en) * | 1974-06-01 | 1976-03-16 | Mashinenfabrik Reinhausen Gebruder Scheubeck K. G. | System for effecting tap changes of tapped transformer windings by means of thyristors |
| US4562338A (en) * | 1983-07-15 | 1985-12-31 | Osaka Titanium Co., Ltd. | Heating power supply apparatus for polycrystalline semiconductor rods |
| CA2015483A1 (en) * | 1989-07-07 | 1991-01-10 | John Tardy | Conductivity state monitor for thyristor transformer tap switching devices |
| US5786684A (en) * | 1996-09-16 | 1998-07-28 | Abb Power T&D Company, Inc. | Apparatus and methods for minimizing over voltage in a voltage regulator |
| US8207716B2 (en) * | 2004-10-14 | 2012-06-26 | Utility Systems Technologies, Inc. | Useful improvements in the art of 3-phase electronic tap changer commutation device |
| US7541751B2 (en) * | 2007-03-05 | 2009-06-02 | Mdl Corporation | Soft start control circuit for lighting |
| US7595614B2 (en) * | 2007-12-07 | 2009-09-29 | Pennsylvania Transformer Technology, Inc. | Load tap changer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1538030B1 (de) * | 1966-03-05 | 1970-06-04 | Reinhausen Maschf Scheubeck | Anordnung und Verfahren zur Lastumschaltung bei Stufentransformatoren |
| US3619765A (en) * | 1970-06-24 | 1971-11-09 | Westinghouse Electric Corp | Electrical control apparatus using direction of current and power flow to gate switching devices |
-
1971
- 1971-02-05 SE SE01416/71A patent/SE350143B/xx unknown
- 1971-12-23 US US00211329A patent/US3728611A/en not_active Expired - Lifetime
- 1971-12-29 NO NO4902/71A patent/NO132511C/no unknown
-
1972
- 1972-01-24 DE DE2203176A patent/DE2203176C3/de not_active Expired
- 1972-01-27 FR FR7202710A patent/FR2124273B1/fr not_active Expired
- 1972-02-02 CA CA133804A patent/CA935878A/en not_active Expired
- 1972-02-04 GB GB529972A patent/GB1376361A/en not_active Expired
- 1972-02-04 IT IT67342/72A patent/IT952862B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT952862B (it) | 1973-07-30 |
| GB1376361A (en) | 1974-12-04 |
| FR2124273A1 (US20050065096A1-20050324-C00034.png) | 1972-09-22 |
| DE2203176B2 (de) | 1978-06-22 |
| DE2203176C3 (de) | 1979-02-22 |
| FR2124273B1 (US20050065096A1-20050324-C00034.png) | 1975-09-12 |
| NO132511B (US20050065096A1-20050324-C00034.png) | 1975-08-11 |
| DE2203176A1 (de) | 1972-08-31 |
| US3728611A (en) | 1973-04-17 |
| NO132511C (US20050065096A1-20050324-C00034.png) | 1975-11-19 |
| CA935878A (en) | 1973-10-23 |
