AT320086B - Anordnung zum Schutz vor Stufenkurzschlüssen bei Lastumschaltern von Stufentransformatoren - Google Patents
Anordnung zum Schutz vor Stufenkurzschlüssen bei Lastumschaltern von StufentransformatorenInfo
- Publication number
- AT320086B AT320086B AT137073A AT137073A AT320086B AT 320086 B AT320086 B AT 320086B AT 137073 A AT137073 A AT 137073A AT 137073 A AT137073 A AT 137073A AT 320086 B AT320086 B AT 320086B
- Authority
- AT
- Austria
- Prior art keywords
- arrangement
- protection against
- short circuits
- transformers
- diverter switches
- Prior art date
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
-
- 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
- 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
-
- 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)
- Protection Of Transformers (AREA)
- Control Of Electrical Variables (AREA)
- Relay Circuits (AREA)
- Farming Of Fish And Shellfish (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2207367A DE2207367C2 (de) | 1972-02-17 | 1972-02-17 | Anordnung zur Verhinderung von Stufenkurzschlüssen bei Lastumschaltern von Stufentransformatoren mit antiparallel geschalteten Thyristoren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT320086B true AT320086B (de) | 1975-01-27 |
Family
ID=5836172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT137073A AT320086B (de) | 1972-02-17 | 1973-02-15 | Anordnung zum Schutz vor Stufenkurzschlüssen bei Lastumschaltern von Stufentransformatoren |
Country Status (7)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US4025820A (en) * | 1976-03-11 | 1977-05-24 | Power Management Corporation | Contactor device including arc supression means |
| DE2612922C2 (de) * | 1976-03-26 | 1978-05-11 | Maschinenfabrik Reinhausen Gebrueder Scheubeck Gmbh & Co Kg, 8400 Regensburg | Lastumschalter für Stufentransformatoren mit je einem in den beiden Lastzweigen angeordneten Paar von antiparallel geschalteten Thyristoren |
| US4301489A (en) * | 1979-12-19 | 1981-11-17 | Siemens-Allis, Inc. | Arcless tap changer utilizing static switching |
| US4363060A (en) * | 1979-12-19 | 1982-12-07 | Siemens-Allis, Inc. | Arcless tap changer for voltage regulator |
| AT400496B (de) * | 1987-06-25 | 1996-01-25 | Elin Oltc Gmbh Stufenschalter | Thyristor-lastumschalter |
| WO1995027931A1 (en) * | 1994-04-06 | 1995-10-19 | Utility Systems Technologies, Inc. | Load tap changer |
| US5990667A (en) * | 1997-10-24 | 1999-11-23 | Utility Systems Technologies, Inc. | Regulator with asymmetrical voltage increase/decrease capability for utility system |
| US6472851B2 (en) | 2000-07-05 | 2002-10-29 | Robicon Corporation | Hybrid tap-changing transformer with full range of control and high resolution |
| US7737667B2 (en) * | 2004-10-14 | 2010-06-15 | Utility Systems Technologies, Inc. | 3-phase electronic tap changer commutation and device |
| US7595614B2 (en) * | 2007-12-07 | 2009-09-29 | Pennsylvania Transformer Technology, Inc. | Load tap changer |
| DE102009017023A1 (de) * | 2009-04-14 | 2010-10-28 | Siemens Aktiengesellschaft | Antriebssystem für eine Anlage mit einem Wechselspannungsinselnetz |
| ES2924762T3 (es) * | 2016-10-27 | 2022-10-10 | Hitachi Energy Switzerland Ag | Módulo cambiador de derivación electrónico para transformadores |
| DE102020110935B3 (de) * | 2020-04-22 | 2021-07-01 | Maschinenfabrik Reinhausen Gmbh | Vorrichtung und verfahren zur begrenzung eines kurzschlussstromes in einem laststufenschalter sowie laststufenschalter mit dieser vorrichtung |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3454832A (en) * | 1967-08-24 | 1969-07-08 | Gen Electric | Electric circuit interrupter |
| US3558910A (en) * | 1968-07-19 | 1971-01-26 | Motorola Inc | Relay circuits employing a triac to prevent arcing |
| JPS507727B1 (US20030199744A1-20031023-C00003.png) * | 1969-11-04 | 1975-03-28 | ||
| SE350143B (US20030199744A1-20031023-C00003.png) * | 1971-02-05 | 1972-10-16 | Asea Ab |
-
1972
- 1972-02-17 DE DE2207367A patent/DE2207367C2/de not_active Expired
-
1973
- 1973-02-12 SE SE7301914A patent/SE375398B/xx unknown
- 1973-02-14 US US00332455A patent/US3786337A/en not_active Expired - Lifetime
- 1973-02-14 FR FR7305181A patent/FR2172219B1/fr not_active Expired
- 1973-02-15 AT AT137073A patent/AT320086B/de active
- 1973-02-16 NO NO642/73A patent/NO130446C/no unknown
- 1973-02-16 JP JP48018475A patent/JPS5237806B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NO130446C (US20030199744A1-20031023-C00003.png) | 1975-10-16 |
| DE2207367C2 (de) | 1974-02-28 |
| SE375398B (US20030199744A1-20031023-C00003.png) | 1975-04-14 |
| NO130446B (US20030199744A1-20031023-C00003.png) | 1974-09-02 |
| DE2207367B1 (de) | 1973-08-09 |
| FR2172219A1 (US20030199744A1-20031023-C00003.png) | 1973-09-28 |
| US3786337A (en) | 1974-01-15 |
| JPS4889331A (US20030199744A1-20031023-C00003.png) | 1973-11-22 |
| JPS5237806B2 (US20030199744A1-20031023-C00003.png) | 1977-09-26 |
| FR2172219B1 (US20030199744A1-20031023-C00003.png) | 1978-08-04 |
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