EP2147447B1 - Schaltanordnung - Google Patents

Schaltanordnung Download PDF

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Publication number
EP2147447B1
EP2147447B1 EP08734975.9A EP08734975A EP2147447B1 EP 2147447 B1 EP2147447 B1 EP 2147447B1 EP 08734975 A EP08734975 A EP 08734975A EP 2147447 B1 EP2147447 B1 EP 2147447B1
Authority
EP
European Patent Office
Prior art keywords
contact
switching
arrangement according
switching arrangement
fixed
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.)
Active
Application number
EP08734975.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2147447A1 (de
Inventor
Christian Hammer
Thomas Huber
Albert Schmidbauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik Reinhausen GmbH
Scheubeck GmbH and Co
Original Assignee
Maschinenfabrik Reinhausen GmbH
Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Maschinenfabrik Reinhausen GmbH, Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG filed Critical Maschinenfabrik Reinhausen GmbH
Publication of EP2147447A1 publication Critical patent/EP2147447A1/de
Application granted granted Critical
Publication of EP2147447B1 publication Critical patent/EP2147447B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005Tap change devices
    • H01H9/0016Contact arrangements for tap changers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/12Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36Contacts characterised by the manner in which co-operating contacts engage by sliding
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02Details
    • H01H19/10Movable parts; Contacts mounted thereon
    • H01H19/12Contact arrangements for providing make-before-break operation, e.g. for on-load tap-changing

Definitions

  • the invention relates to a switching arrangement with two operating positions for switching a winding during the transformer operation, wherein during the switching commutes a through current from one current path to another current path.
  • Such a switching arrangement is under the name “Advanced Retard Switch”, short ARS, from the company publication of the applicant “ Advanced-Retard-Switch (ARS), Operating Instructions BA 274/01 “, print imprint BA 274 / 01en, 0605, publication date June 2005 , known.
  • Advanced Retard Switch short ARS
  • Operating Instructions BA 274/01 Print imprint BA 274 / 01en, 0605, publication date June 2005 , known.
  • Such a known switching arrangement can be used for different applications in combination with an on-load tap-changer. It is primarily used for reversing the control voltage in applications with a large control range, such. B. in phase shifter transformers. It performs the function of a double turner.
  • the movable switching segment has a variety against the force of contact springs movably formed contact fingers or lamellae, which ensure that the movable switching segment can safely run on the respective solid, arranged on Isolierstoffgerüst, contact - especially in the small, production-technically unavoidable horizontal differences.
  • the contact fingers or lamellae allow a secure embracing of the respective fixed contact or the respective fixed contacts and thus a reliable contact.
  • the object of the invention is to provide a generic switching arrangement that no longer has these disadvantages.
  • the movable switching contact i. H. the arcuate switching segment, designed as a simple, curved rail made of electrically conductive material.
  • the switching segment consists only of a solid rail, preferably a copper rail; their ends are preferably tapered to facilitate running onto the fixed contacts.
  • This rail can be screwed in a simple manner with an insulating contact carrier, which in turn is attached to the shift shaft. It is obvious that this is a very significant and less expensive simplification.
  • this switching segment arrangement to summarize the two required functional levels, each with four contact points in a plane with six contact points.
  • the fixed, fixed to the Isolierstoffgerüst contacts upper and lower, mutually parallel contact fingers which aretufteddrückbar against the force of springs, so that the switching segment can run in between and make electrical contact.
  • a particular advantage of the invention is the reduction of parts; For the most part, all fixed contacts consist of identical components.
  • merging of the functional levels in a single plane in turn reduce components.
  • the inventive switching arrangement only - compared with the prior art - significantly lower torque required for actuation, since at the emergence of the movable switching segment significantly less spring forces are to be overcome at the respective contact fingers.
  • FIG. 1 It is shown that the switching arrangement has a switch head 1 known per se, to which a circumferential upper cage ring 2 is attached. In turn, there is an upper adapter 3. At the bottom of a lower cage ring 4 and, in turn attached thereto, a lower adapter 5 is provided. Between upper adapter 3 and lower adapter 5, vertically extending and arranged parallel to each other, contact rods 6 are provided. In the arrangement shown here, eighteen such contact rods 6 are attached, each arranged at an angle of 20 degrees to each other. Six of these contact bars 6 are in three different horizontal planes - for each phase to be switched here is a plane provided with increasing total current increases the number of levels - fixed contacts 7 fixed. The still free contact rods 6 are so-called.
  • Blank bars which serve to improve the rigidity of the overall arrangement.
  • FIG. 1 are the total of six fixed contacts of the first level with the reference numeral 7 I , the second level with the reference numeral 7 II , the third level with the reference numeral 7 III .
  • Centric is located in the switching arrangement, a vertical shift shaft 8, which has a contact carrier 9 in each plane, which is attached to it.
  • contact carrier 9 At this contact carrier 9 are each two arcuate switching contacts 10, opposite one another, fixed, which are rotatable together with the switching shaft 8.
  • the movable switching contacts 10 extend over a circular arc of 120 degrees, so that in each phase two bridged and a free adjacent fixed contact 7 are contacted simultaneously in the stationary state and are thus electrically connected to each other.
  • the shift shaft 8 is operated by a not shown Maltese gear, which is in communication with an upper gear stage 11. Its drive via a drive shaft 12 which is connected in a known manner with a motor drive.
  • FIG. 2 a contact carrier 9 is shown in detail, which is mounted on the shift shaft 8.
  • the movable, arcuate switching contacts 10 are fastened to the insulating contact carrier 9 on two horizontally opposite sides.
  • These switching contacts 10 are made of solid, electrically conductive material, preferably copper.
  • FIG. 3 this detail is again shown in a schematic representation from above. It can be seen particularly clearly here that two bridged and one free adjacent fixed contact 7 are electrically connected to one another in the stationary state.
  • FIG. 4 shows in a more detailed representation of a contact carrier 9 alone, which carries the described massive, arcuate switching contacts 10.
  • On the inside of the free ends of the switching contacts 10 is particularly erosion-resistant material 15 is screwed. Furthermore, the free ends of the switching contacts 10 and the erosion-resistant material 15 on a rounding 16 to allow a better emergence on the respective fixed contacts to be connected, which will be explained in more detail below.
  • the entire contact carrier 9 is fastened by means of a flange 14 to the switching shaft 8, not shown here.
  • FIG. 5 shows a complete fixed contact 7 of the switching arrangement according to the invention.
  • This contact 7 has an upper contact holder 18 and a symmetrically formed lower contact holder 19, both of which are pushed over the respective contact rod to which they are to be attached.
  • a conductive contact 20 is provided, which has a connection bore 21 for fixing the connecting line, not shown here.
  • This conductive contact 20 is electrically connected to upper contact fingers 22 and lower contact fingers 23 of the actual contact area.
  • the upper contact fingers 22 are against the force of upper contact springs 24 (in FIG. 6 shown) deflected upward, the lower contact fingers 23 against the force of lower contact springs 25 (again in FIG. 6 shown) down.
  • Top and bottom are pushed onto the contact arrangement nor an upper shield 27 and a lower shield 28, each having in their middle corresponding openings that allow sliding on the respective contact rod.
  • bolts 29 are shown, which fix the contact holders 18, 19 or shields 27, 28 via bores on the contact rods.
  • the shields 35, 36 which are mounted on the contact housing 32, shield the contact fingers 22, 23 and Abbrandmaterialien 30, 31 and thus serve for better electrical field design. This part of a similar fixed contact with contact holders, shields and holes through which fastening bolts are pushed, is already out of the DE 10 2004 041 317 B3 the applicant known.
  • FIG. 6 Once again a detail of the solid contact according to the invention alone is shown. It is shown here that the upper contact fingers 22 and the lower contact fingers 23, together with the contact springs 24, 25, are arranged in a separate contact housing 32, which is hidden here. These contact fingers 22, 23 have contact clamps 33 and 34 on the opposite side, which according to a particularly advantageous development of the invention grasp the fixed contact 20 on both sides and thus produce a direct electrical connection.
  • the current bands 38 located between the contact fingers 22 and the disks 37 or down between the contact fingers 23 and the disks 37 help to commutate between the contact fingers 22, 23 and the conductive contact 20 due to bouncing in the case of and switching off the switching contact 10 to avoid.
  • FIG. 7 shows once more a firm contact alone.
  • the solid contact according to the invention as in FIG. 5 is shown, modular, ie according to the modular system, produce in a simple manner.
  • FIG. 8 Finally, the switching of the switching arrangement according to the invention is shown from one operating position to the other.
  • the six fixed contacts in one phase are denoted here by K1... K6.
  • the left diagram shows the first stationary operating position; the direction of rotation at the beginning of the changeover is marked by an arrow.
  • the arrangement to the right next to the switching contacts have each covered a rotation angle of 60 degrees. Again, in the illustration to the right, the angle of rotation is already slightly more than 60 degrees, the through-current commutates to the other switching branch; this is indicated by the symbolized lightning.
  • the new stationary operating position is reached after a total of 120 degrees of rotation.
  • the switching is completed, there was a switch according to the above-described function of a double turner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Push-Button Switches (AREA)
EP08734975.9A 2007-05-16 2008-04-03 Schaltanordnung Active EP2147447B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007023124A DE102007023124B3 (de) 2007-05-16 2007-05-16 Schaltanordnung
PCT/EP2008/002633 WO2008138430A1 (de) 2007-05-16 2008-04-03 Schaltanordnung

Publications (2)

Publication Number Publication Date
EP2147447A1 EP2147447A1 (de) 2010-01-27
EP2147447B1 true EP2147447B1 (de) 2015-12-02

Family

ID=39577718

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08734975.9A Active EP2147447B1 (de) 2007-05-16 2008-04-03 Schaltanordnung

Country Status (12)

Country Link
US (1) US8030583B2 (ko)
EP (1) EP2147447B1 (ko)
JP (1) JP5153867B2 (ko)
KR (1) KR101430542B1 (ko)
CN (1) CN101681730B (ko)
BR (1) BRPI0806098A2 (ko)
DE (1) DE102007023124B3 (ko)
ES (1) ES2564174T3 (ko)
HK (1) HK1138103A1 (ko)
RU (1) RU2449401C2 (ko)
UA (1) UA95680C2 (ko)
WO (1) WO2008138430A1 (ko)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010020040B4 (de) * 2010-05-11 2016-06-09 Maschinenfabrik Reinhausen Gmbh Schaltanordnung für einen Transformator mit einer an einer Schaltwelle befestigten Kontaktanordnung mit mehreren Kontaktelementen
DE202010017884U1 (de) * 2010-05-11 2013-01-22 Maschinenfabrik Reinhausen Gmbh Schaltanordnung
DE102010020138B4 (de) * 2010-05-11 2015-08-13 Maschinenfabrik Reinhausen Gmbh Umsteller für einen Transformator
DE102010049813B3 (de) * 2010-10-27 2012-01-19 Maschinenfabrik Reinhausen Gmbh Umsteller
DE202010016212U1 (de) * 2010-11-30 2012-03-01 Maschinenfabrik Reinhausen Gmbh Umsteller
EP2666171A1 (de) * 2011-01-20 2013-11-27 Maschinenfabrik Reinhausen GmbH Stufenschalter
DE102011008964B4 (de) * 2011-01-20 2013-12-24 Maschinenfabrik Reinhausen Gmbh Stufenschalter
DE102011109898A1 (de) * 2011-08-10 2013-02-14 Maschinenfabrik Reinhausen Gmbh Wähler für einen Stufenschalter
DE102012103855B4 (de) * 2012-05-03 2016-01-07 Maschinenfabrik Reinhausen Gmbh Wähler für einen Stufenschalter
DE102012107446B4 (de) 2012-08-14 2015-12-31 Maschinenfabrik Reinhausen Gmbh Lastumschalter, Laststufenschalter und Verfahren zum Umschalten eines Laststufenschalters
DE102013112405A1 (de) * 2013-11-12 2015-05-13 Maschinenfabrik Reinhausen Gmbh Kontakteinheit
ES2786255T3 (es) * 2013-12-05 2020-10-09 Reinhausen Maschf Scheubeck Disposición de conmutación
DE102013113505B4 (de) 2013-12-05 2017-01-05 Maschinenfabrik Reinhausen Gmbh Schaltanordnung und Verfahren zum Betätigen der Schaltanordnung
DE102014102263B3 (de) * 2014-02-21 2015-04-23 Maschinenfabrik Reinhausen Gmbh Laststufenschalter mit einem Gehäuse und einem austauschbaren Schaltmodul
DE102014106997A1 (de) * 2014-05-19 2015-11-19 Maschinenfabrik Reinhausen Gmbh Schaltanordnung für einen Stufentransformator sowie Verfahren zum Betreiben einer derartigen Schaltanordnung
EP3086342A1 (en) 2015-04-21 2016-10-26 ABB Technology Ltd A fixed contact for a tap changer and a method for mounting a cable lug thereto
CN117747360B (zh) * 2023-12-28 2024-06-04 长春三鼎变压器有限公司 一种电炉变压器低压大电流导电排安装设备

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1249990B (ko) * 1967-09-14
DE1254755B (de) 1964-11-14 1967-11-23 Reinhausen Maschf Scheubeck Dauerhauptkontakt fuer Lastumschalter von Stufentransformatoren
NL130853C (ko) 1965-06-30
NL130643C (ko) * 1965-07-13
JPS4216674Y1 (ko) * 1965-10-19 1967-09-26
DE1788013B1 (de) * 1968-09-14 1971-12-02 Reinhausen Maschf Scheubeck Stufenwaehler mit wender fuer stufenschalter von re geltransfor matoren
DE2104766B1 (de) * 1971-02-02 1972-08-03 Maschinenfabrik Reinhausen Gebr Scheubeck Kg Lastumschalter fur Stufenschalter von Regeltransformatoren
JPS52107532A (en) * 1976-03-05 1977-09-09 Hitachi Ltd Tap selector
ATE16327T1 (de) * 1979-11-21 1985-11-15 Acec Elektrischer apparat mit einer reihe von spannungsanzapfungen und einer beweglichen waehlerausstattung.
SU1359807A1 (ru) * 1985-06-17 1987-12-15 Всесоюзный Научно-Исследовательский,Проектно-Конструкторский И Технологический Институт Трансформаторостроения Контактор дл трансформатора,регулируемого под нагрузкой
DE3827385A1 (de) * 1988-08-12 1990-02-15 Reinhausen Maschf Scheubeck Zylindrischer stufenwaehler mit durch einen tragarm aus isolierstoff gefuehrter kontaktbruecke
DE3928359C1 (ko) * 1989-08-28 1991-01-24 Maschinenfabrik Reinhausen Gmbh, 8400 Regensburg, De
DE9308424U1 (de) * 1992-10-16 1994-02-17 Maschinenfabrik Reinhausen Gmbh, 93059 Regensburg Stufenwähler mit Mehrfach-Grobwähler für Stufenschalter
DE19547873C1 (de) * 1995-12-21 1997-05-07 Reinhausen Maschf Scheubeck Lastumschalter für einen Stufenschalter
DE19743865C1 (de) 1997-10-04 1999-04-15 Reinhausen Maschf Scheubeck Stufenschalter
DE19836463C1 (de) * 1998-08-12 1999-10-21 Reinhausen Maschf Scheubeck Stufenschalter mit einem Vorwähler
DE10050895C1 (de) * 2000-10-13 2002-08-08 Reinhausen Maschf Scheubeck Lastumschalter für einen Stufenschalter
DE102004041317B3 (de) * 2004-08-26 2005-10-20 Reinhausen Maschf Scheubeck Kontaktanordnung
JP4231866B2 (ja) 2005-10-20 2009-03-04 有限会社田島製作所 タップ選択器

Also Published As

Publication number Publication date
BRPI0806098A2 (pt) 2011-08-30
JP5153867B2 (ja) 2013-02-27
WO2008138430A1 (de) 2008-11-20
US8030583B2 (en) 2011-10-04
DE102007023124B3 (de) 2008-10-02
US20100059356A1 (en) 2010-03-11
KR101430542B1 (ko) 2014-08-14
EP2147447A1 (de) 2010-01-27
HK1138103A1 (zh) 2010-08-13
JP2010527159A (ja) 2010-08-05
RU2449401C2 (ru) 2012-04-27
RU2009108638A (ru) 2010-09-20
UA95680C2 (en) 2011-08-25
KR20100024418A (ko) 2010-03-05
CN101681730B (zh) 2012-05-23
ES2564174T3 (es) 2016-03-18
CN101681730A (zh) 2010-03-24

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