EP2147447A1 - Dispositif de commutation - Google Patents

Dispositif de commutation

Info

Publication number
EP2147447A1
EP2147447A1 EP08734975A EP08734975A EP2147447A1 EP 2147447 A1 EP2147447 A1 EP 2147447A1 EP 08734975 A EP08734975 A EP 08734975A EP 08734975 A EP08734975 A EP 08734975A EP 2147447 A1 EP2147447 A1 EP 2147447A1
Authority
EP
European Patent Office
Prior art keywords
contact
switching
fixed
arrangement according
switching arrangement
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.)
Granted
Application number
EP08734975A
Other languages
German (de)
English (en)
Other versions
EP2147447B1 (fr
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/fr
Application granted granted Critical
Publication of EP2147447B1 publication Critical patent/EP2147447B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches 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
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H01H19/12—Contact 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 commutes during the switching 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", Druckimpressum BA 274/01 de, 0605, published 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 tapered to facilitate running onto the fixed contacts.
  • This rail can be screwed in a simple manner with a Isolierstoff- 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 is a circuit arrangement according to the invention
  • Figure 2 shows a part of this switching arrangement in a perspective view
  • Figure 3 shows this part from above in a schematic sectional view
  • FIG 4 shows a contact carrier of the switching arrangement according to the invention alone
  • FIG. 5 shows a fixed contact of the switching arrangement according to the invention
  • Figure 6 is a part of such a contact in detail
  • Figure 7 shows a solid contact, in a particularly advantageous manner in the inventive
  • Figure 8 shows a switching sequence, d. H. the switching of the switching arrangement according to the invention from one stationary operating position to the other.
  • FIG. 1 shows that the switching arrangement at the top has a switch head 1 known per se, to which a circumferential upper cage ring 2 is fastened.
  • a switch head 1 known per se, to which a circumferential upper cage ring 2 is fastened.
  • an upper adapter 3 At the bottom of a lower cage ring 4 and, in turn attached thereto, a lower adapter 5 is provided.
  • contact rods 6 are provided between upper adapter 3 and lower adapter 5, vertically extending and arranged parallel to each other.
  • contact rods 6 are provided between upper adapter 3 and lower adapter 5, vertically extending and arranged parallel to each other.
  • eighteen such contact rods 6 are attached, each arranged at an angle of 20 degrees to each other.
  • On six of these contact rods 6 On six of these contact rods 6 are in three different horizontal planes - for each phase to be switched here is a level provided with increasing total current increases the number of levels - each fixed contacts 7 attached.
  • the still free contact rods 6 are so-called
  • Blank bars which serve to improve the rigidity of the overall arrangement.
  • the total of six fixed contacts of the first level by the reference numeral the second level with the reference numeral 7 ", the third level with the reference numeral 7 IM centered in the switching arrangement is a vertical shift shaft 8 having in each plane a contact carrier 9 which is attached to it 9 are each two arcuate switching contacts 10, mounted opposite one another, which are thus 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 one free adjacent fixed contact 7 are simultaneously contacted in the stationary state and thus electrically connected to each other 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.
  • a contact carrier 9 is shown in detail again, 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. 4 shows, in a more detailed representation, 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 connection 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 upwardly deflectable against the force of upper contact springs 24 (shown in FIG. 6), the lower contact fingers 23 against the force of lower contact springs 25 (again shown in FIG. 6).
  • 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 known from DE 10 2004 041 317 B3 of the Applicant.
  • FIG. 6 once again shows a detail of the fixed contact according to the invention alone. 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 again shows a fixed contact alone.
  • the fixed contact according to the invention as shown in FIG. 5, can be modularly, d. H. according to the modular system, in a simple way.

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)

Abstract

La présente invention concerne un dispositif de commutation ayant deux positions de marche pour commuter un enroulement durant le fonctionnement d'un transformateur, un courant de transition étant commuté lors de la commutation d'un chemin de courant à un autre chemin de courant. Dans ce dispositif, des contacts fixes sont disposés sur une ossature en matière isolante dans plusieurs niveaux horizontaux autour d'un axe de commutation rotatif, ces contacts comprenant des doigts de contacts supérieurs et inférieurs qui peuvent être écartés l'un de l'autre et connectés par un rail électriquement conducteur en tant que contact de commutation mobile.
EP08734975.9A 2007-05-16 2008-04-03 Dispositif de commutation Active EP2147447B1 (fr)

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 (fr) 2007-05-16 2008-04-03 Dispositif de commutation

Publications (2)

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

Family

ID=39577718

Family Applications (1)

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

Country Status (12)

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

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010020137A1 (de) * 2010-05-11 2011-11-17 Maschinenfabrik Reinhausen Gmbh Schaltanordnung
DE102010020138B4 (de) * 2010-05-11 2015-08-13 Maschinenfabrik Reinhausen Gmbh Umsteller für einen Transformator
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
DE102010049813B3 (de) * 2010-10-27 2012-01-19 Maschinenfabrik Reinhausen Gmbh Umsteller
DE202010016212U1 (de) * 2010-11-30 2012-03-01 Maschinenfabrik Reinhausen Gmbh Umsteller
DE102011008964B4 (de) * 2011-01-20 2013-12-24 Maschinenfabrik Reinhausen Gmbh Stufenschalter
CN103314422B (zh) * 2011-01-20 2016-01-20 赖茵豪森机械制造公司 分接开关
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
DE102013113505B4 (de) 2013-12-05 2017-01-05 Maschinenfabrik Reinhausen Gmbh Schaltanordnung und Verfahren zum Betätigen der Schaltanordnung
EP3078044B1 (fr) * 2013-12-05 2020-02-12 Maschinenfabrik Reinhausen GmbH Ensemble de coupure
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 (fr) 2015-04-21 2016-10-26 ABB Technology Ltd Contact fixe pour un changeur de prise et procédé de montage d'une cosse de câble sur celui-ci
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

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Publication number Priority date Publication date Assignee Title
DE1249990B (fr) * 1967-09-14
DE1254755B (de) * 1964-11-14 1967-11-23 Reinhausen Maschf Scheubeck Dauerhauptkontakt fuer Lastumschalter von Stufentransformatoren
NL130853C (fr) 1965-06-30
NL130643C (fr) * 1965-07-13
JPS4216674Y1 (fr) * 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
DE2967539D1 (en) * 1979-11-21 1985-12-05 Acec Electrical apparatus comprising a series of voltage taps and mobile selector equipment
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
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Also Published As

Publication number Publication date
WO2008138430A1 (fr) 2008-11-20
US8030583B2 (en) 2011-10-04
ES2564174T3 (es) 2016-03-18
CN101681730A (zh) 2010-03-24
CN101681730B (zh) 2012-05-23
DE102007023124B3 (de) 2008-10-02
HK1138103A1 (zh) 2010-08-13
US20100059356A1 (en) 2010-03-11
KR20100024418A (ko) 2010-03-05
EP2147447B1 (fr) 2015-12-02
JP2010527159A (ja) 2010-08-05
UA95680C2 (en) 2011-08-25
RU2449401C2 (ru) 2012-04-27
KR101430542B1 (ko) 2014-08-14
JP5153867B2 (ja) 2013-02-27
RU2009108638A (ru) 2010-09-20
BRPI0806098A2 (pt) 2011-08-30

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