EP2663988A1 - Stufenschalter mit einem vorwähler - Google Patents
Stufenschalter mit einem vorwählerInfo
- Publication number
- EP2663988A1 EP2663988A1 EP11807870.8A EP11807870A EP2663988A1 EP 2663988 A1 EP2663988 A1 EP 2663988A1 EP 11807870 A EP11807870 A EP 11807870A EP 2663988 A1 EP2663988 A1 EP 2663988A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- tap changer
- phase
- plates
- contacts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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
- H01H9/0016—Contact arrangements for tap changers
Definitions
- the present invention relates to a tap changer with a preselector for
- On-load tap-changers have been used in transformers for many years to adjust the voltage, active and reactive power of electrical networks by changing the transmission ratio under load.
- the setting of the gear ratio is done in stages;
- the transformer is equipped with a tap winding whose taps are connected by the tap changer.
- Fig. 1 a serve as a Wender for connection and countercurrent stage winding or, as shown in Fig. 1 b, for deflecting the step winding at the beginning or at the end of the coarse stage.
- the preselection doubles the setting range for the same length of the step winding.
- the preselection consists of a total of three fixed preselector contacts, each one of the two fixed contacts "+” or “-” with the third fixed contact "0", depending on
- Applicant proposes a contact arrangement for a selection of a tap changer with at least three in a plane on a circular arc
- a contact bridge for selectively connecting two adjacent fixed contacts which form a contact bridge extending along the arc of a circle
- each disk housing is each an axis extending in the direction of movement of the contact bridge and each opposite to each other between the middle of the contact bridge
- Object of the present invention is therefore to provide a generic tap changer with an external selection, in which no consuming separately sprung contact blades are required, but still allows for occurring manufacturing tolerances safe switching with substantially constant contact forces.
- the general inventive idea is to provide instead of the individual by means of separate springs hinged slats, two substantially mutually parallel contact plates, which are guided in parallel by means of ironing plates and over
- Leg springs are compressible, such that are received between the facing sides of the contact plates fixed adjacent Vor Strukturluttone a phase.
- Leg springs by simply replacing the same, or alternatively by pushing a sleeve, not shown, on the legs of the leg spring, specifically changed.
- FIG. 3 shows the stylized representation of a contact arrangement according to the invention
- Figures 4a and b are side views of a contact arrangement according to the invention.
- FIG. 2 shows an external selection 1 for a not shown
- the preselector 1 has for this purpose two arm-shaped holders 3 and 4, of which one is connectable to the head and the other to the bottom of the tap changer.
- Shift rod 7 is, for example, by a transmission, which is located at the top of the tap changer and the rotational movement of the shift shaft inside a
- each arm of the brackets 4 and 5 are formed rectangular and substantially parallel to each other insulating rods 8, 9 and 10 are arranged at which for each phase on a separate horizontal plane the corresponding, the insulating rods 8, 9 and 10 penetrating, fixed preselector contacts 11,
- the fixed preselector contact 11 has the function of the contact "+" of Figure 1, according to the further fixed preselector 12 takes over the function of the contact "0" and turn another fixed preselector 13, the function "-”. If the selection 1 is pressed, d. H. the shift rod 7 is rotated, the contact assembly 2 leaves the fixed preselector contact 11, and passes through the preselector contact 12 out and with this permanently in contact, on the new, to be wired, preselector contact
- the stationary preselector contacts 11, 12 and 13 are substantially full-volume and tubular and have on the side facing the contact assembly 2 each side a rounded ramp surface 14 and on the
- connecting lines of the tapped transformer can be fastened.
- FIGS. 4a and 4b a contact arrangement 2 according to the invention is shown in detail.
- This consists inter alia of a contact carrier 17, which serves as a skeleton and to which the other components are fastened.
- a detachable contact carrier 17 which serves as a skeleton and to which the other components are fastened.
- Screw connection 18 is the contact carrier 17 and thus the entire contact arrangement 2 can be fixed to the pivotable shift rod 7.
- 17 bolt-shaped receptacles 19 are provided on the contact carrier, on each of which a leg spring 20 can be pushed.
- contact plates 22 can be performed in parallel and secured against falling out. Run parallel to the corresponding ironing plate 21 with the respective contact plate 22 on this geometrically specially shaped wing portions 23 which allow a defined parallel displacement of the respective contact plates 22 against the spring force of the torsion springs 20.
- each leg spring 20 presses with its
- the contact plates 22 also have on them
Landscapes
- Contacts (AREA)
- Housings And Mounting Of Transformers (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Manufacture Of Switches (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110008702 DE102011008702B4 (de) | 2011-01-15 | 2011-01-15 | Stufenschalter mit einem Vorwähler |
PCT/EP2011/006568 WO2012095156A1 (de) | 2011-01-15 | 2011-12-24 | Stufenschalter mit einem vorwähler |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2663988A1 true EP2663988A1 (de) | 2013-11-20 |
Family
ID=45476452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11807870.8A Withdrawn EP2663988A1 (de) | 2011-01-15 | 2011-12-24 | Stufenschalter mit einem vorwähler |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2663988A1 (de) |
CN (1) | CN103314424A (de) |
BR (1) | BR112013016121A2 (de) |
DE (1) | DE102011008702B4 (de) |
WO (1) | WO2012095156A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012109174A1 (de) * | 2012-09-27 | 2014-03-27 | Maschinenfabrik Reinhausen Gmbh | Laststufenschalter mit Vorwähler |
FR3081608B1 (fr) | 2018-05-28 | 2021-01-22 | Amc | Inverseur de source de courant pour centrale nucleaire |
CN116682656B (zh) * | 2023-07-27 | 2023-10-17 | 成都双星变压器有限公司 | 一种电气化铁路用的牵引变压器及其使用方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB733710A (en) * | 1953-02-07 | 1955-07-20 | Ferranti Ltd | Improvements relating to electrical selector switches |
DE1170059B (de) * | 1960-04-14 | 1964-05-14 | Licentia Gmbh | Rohrfoermiger Drehumsteller fuer Leistungstransformatoren |
BE758459A (fr) * | 1969-11-03 | 1971-04-16 | Reinhausen Maschf Scheubeck | Pont de contact pour sélecteurs de gradins destinés à des transformateurs de réglage |
DE2654749A1 (de) * | 1976-12-03 | 1978-06-15 | Reinhausen Maschf Scheubeck | Kontaktanordnung fuer vorwaehler von stufenschaltern |
JPS57180013A (en) * | 1981-04-28 | 1982-11-05 | Tokyo Shibaura Electric Co | Contact for tap changer |
JPS6192330A (ja) * | 1984-10-12 | 1986-05-10 | Yaskawa Electric Mfg Co Ltd | 複合ばね及びこれを用いた主回路断路装置 |
IN169357B (de) * | 1986-07-05 | 1991-09-28 | Reinhausen Maschf Scheubeck | |
DE3827385A1 (de) * | 1988-08-12 | 1990-02-15 | Reinhausen Maschf Scheubeck | Zylindrischer stufenwaehler mit durch einen tragarm aus isolierstoff gefuehrter kontaktbruecke |
DE3928359C1 (de) * | 1989-08-28 | 1991-01-24 | Maschinenfabrik Reinhausen Gmbh, 8400 Regensburg, De |
-
2011
- 2011-01-15 DE DE201110008702 patent/DE102011008702B4/de not_active Expired - Fee Related
- 2011-12-24 BR BR112013016121A patent/BR112013016121A2/pt not_active IP Right Cessation
- 2011-12-24 EP EP11807870.8A patent/EP2663988A1/de not_active Withdrawn
- 2011-12-24 CN CN2011800651134A patent/CN103314424A/zh active Pending
- 2011-12-24 WO PCT/EP2011/006568 patent/WO2012095156A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2012095156A1 * |
Also Published As
Publication number | Publication date |
---|---|
BR112013016121A2 (pt) | 2018-06-05 |
DE102011008702A1 (de) | 2012-07-19 |
CN103314424A (zh) | 2013-09-18 |
DE102011008702B4 (de) | 2015-01-08 |
WO2012095156A1 (de) | 2012-07-19 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: REHKOPF, SEBASTIAN Inventor name: BOEGER, CHRISTIAN Inventor name: SCHLEPP, KLAUS Inventor name: LEDERER, PHILIPP Inventor name: JATTA, MARTIN Inventor name: STREMPEL, ROLF Inventor name: HOTTNER, TONI |
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