EP2569789B1 - Lastumschalter für einen stufenschalter - Google Patents

Lastumschalter für einen stufenschalter Download PDF

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Publication number
EP2569789B1
EP2569789B1 EP11707341.1A EP11707341A EP2569789B1 EP 2569789 B1 EP2569789 B1 EP 2569789B1 EP 11707341 A EP11707341 A EP 11707341A EP 2569789 B1 EP2569789 B1 EP 2569789B1
Authority
EP
European Patent Office
Prior art keywords
permanent main
main contact
permanent
contact
movable
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.)
Not-in-force
Application number
EP11707341.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2569789A1 (de
Inventor
Wolfgang Albrecht
Claudia Dobler
Klaus HÖPFL
Martin Jatta
Christian Kotz
Sebastian Rehkopf
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 EP2569789A1 publication Critical patent/EP2569789A1/de
Application granted granted Critical
Publication of EP2569789B1 publication Critical patent/EP2569789B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H9/0027—Operating mechanisms
    • 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
    • H01H9/02—Bases, casings, or covers

Definitions

  • the invention relates to a diverter switch for a tap changer with continuously switching for each phase continuous main contacts.
  • a constructive design of a generic diverter switch with electrically non-switching for each phase permanent main contacts is from the DE 103 12 176 B3 known, each of the permanent main contact pairs having a common, electrically conductive permanent main contact, which is Drainenkbar in two different end positions and thus bridges the respective permanent main contact pairs in steady state operation alternatively.
  • a centrally extending switching shaft is arranged in the interior of the diverter switch, through which the movable, electrically conductive and designed as a bridging contact permanent main contact can be actuated.
  • Each permanent main contact pair consists of a first and a second permanent main contact, which are electrically isolated from each other.
  • One of these first permanent main contacts is connected to the one side A, the other of these first permanent main contacts with the other side B of the diverter switch electrical.
  • the two second permanent main contacts are permanently connected to a common load dissipation of the diverter switch, since the ramp surfaces of the movable permanent main contact are so crowned dimensioned that they are constantly pivoting the permanent main contact to its camp with the two second permanent main contacts both permanent main contact pairs, which are electrically connected to the load dissipation , keep in touch; This takes place in the form of a sliding or rolling.
  • the two respectively arranged below contact surfaces of the movable permanent main contact are designed such that they come into contact with the respective corresponding fixed first permanent main contacts only when pivoting the movable permanent main contact in one of its two end positions.
  • the operation of the movable permanent main contact is effected by an actuating tab which has a guide in the form of a slot and is articulated by fastening means.
  • an actuating pin In the guide runs an actuating pin a Umlenkkurbel, which in turn is mounted about a pivot point.
  • the reversing crank At its free end, the reversing crank on a contour consisting of roller grips and a locking contour located therebetween.
  • Object of the present invention is therefore to provide a diverter switch for a tap changer, in which the Treasurehauptarracrustation increased dielectric withstand voltage between the individual voltage-carrying components, at the same time mechanically simplified construction.
  • the general inventive idea is to connect the fixed permanent main contacts of the side A or B of the diverter switch by means of a movable rail-shaped permanent main contact, which produces an electrical connection with the respective corresponding permanent main contacts of the load dissipation only in its respective end positions and also only a single deflection for actuation provides that the spring-hinged each more contact blades of the corresponding fixed permanent main contact connected purely oppressive. It is therefore not so, as in the prior art, the load dissipation during the entire switching over at least a portion of the movably pivotable permanent main contact with this electrically connected, but only in the respective end positions of the switching.
  • the spatial distances between the current-carrying components in particular the distance between the ramp surfaces of the movable permanent main contact and the contact blades of the corresponding permanent permanent main contact of the non-switched side increase in stationary operation by the rail-shaped running permanent main contact considerably, since this can be made narrower compared to the prior art and thus has a greater dielectric strength between the voltage-carrying components.
  • the movable rail-shaped permanent main contact can be actuated only via a single deflection, d. H. pivotable.
  • a two-disc drive disc is provided which has offset by 120 ° degrees staggered roller engagement, which, depending on the switching direction, can be brought into engagement with arranged on a rocker of the movable permanent main contact actuating rollers to the permanent main contact thus in his respective end position to pivot, such that the respective resiliently articulated plurality of contact blades of the corresponding fixed permanent main contact are connected purely oppressive.
  • the actuating rollers run smoothly along the outer end face of the respective drive disk during the complete switching along. It thus does not take place so rubbing blocking in a central position, but a slight continuous movement of the frontal contour of the respective drive pulley.
  • the rail-shaped movable permanent main contact is exchangeable.
  • an easy way is provided to maintain or replace the rail-shaped movable main contact.
  • Load-transferring member is a base plate 1, which receives and carries the movable permanent main contacts and the means for their operation for each phase.
  • a complete permanent main contact 2 is shown.
  • Fixed permanent main contact pairs 3, 4 are, cooperating with this, on the inner wall of an oil vessel, not shown, which encloses the entire diverter switch, attached.
  • three contact carriers 5, 6, 7 are provided for each phase.
  • each of the permanent permanent main contacts 8 and 9 consists of a plurality of individual contact blades 8.1 and 9.1.
  • Each of the contact blades 8.1 and 9.1 is secured to a spring arm 28 and 29, which is mounted resiliently rotatable about an axis 30 and 31, respectively.
  • the contact blades 8.1 and 9.1 in turn are resiliently hinged to the respective spring rocker 28 and 29 respectively.
  • the fixed permanent main contacts 9 and 13 are arranged on the first electrically conductive contact carrier 5 and form the common load dissipation.
  • the fixed permanent main contacts 8 are arranged on the second contact carrier 6 and connected to the side A of the diverter switch, and the fixed permanent main contacts 12 are electrically isolated therefrom, arranged on the third contact carrier 7 and connected to the side B of the diverter switch.
  • a common electrically conductive and designed as a contact rail movable permanent main contact 16 is provided. He has in the upper part on its left side a ramp surface 17 which corresponds to the fixed permanent main contacts 9, and on its right side a ramp surface 18 which corresponds to the fixed permanent main contacts 13. In its lower part, it has on the left side a contact surface 19, which can not be seen in this illustration, which corresponds to the fixed permanent main contacts 8 and to the right side quite analogously a further contact surface 20, which in turn corresponds to the fixed permanent main contacts 12.
  • the movable rail-shaped permanent main contact 16 further comprises a bearing 21 which cooperates with a receptacle, not shown, such that the movable permanent main contact 16 in the longitudinal axis of the diverter switch around the bearing 21 around pivotable is.
  • a bearing 21 which cooperates with a receptacle, not shown, such that the movable permanent main contact 16 in the longitudinal axis of the diverter switch around the bearing 21 around pivotable is.
  • the two ramp surfaces 17 and 18 are not, as known from the prior art, spherically dimensioned so that they would remain when pivoting the movable permanent main contact 16 to its bearing 21 constantly with the fixed permanent main contacts 9 and 13 in contact, but in a straight line rail-shaped in such a way that they only come into contact with the respectively corresponding fixed permanent main contacts 9 or 13 when pivoting the movable permanent main contact 16 into one of its two end positions.
  • the potential articulation during the pivoting of the permanent main contact 16 assumes a permanent connection, which is not recognizable in this illustration, for discharging the load.
  • the upper actuating roller 25.1 acts together with the upper drive pulley 23.1, whereas the lower, not visible in this illustration, actuating roller 25.2 can be brought into engagement with the roller grips 23 of the lower drive pulley 23.2.
  • the actuating rollers run 25.1 or 25.2 during complete switching smoothly along corresponding outer end faces 27.1 or 27.2 of the respective drive pulley 23.1 or 23.2 contact along and cause by these forced guidance over the corresponding frontal contour 27.1 or 27.2 of the drive pulley 23.1 or 23.2 caused by the According to the invention, therefore, there is no frictional blocking in a central position, but a slight continuous movement of the movable permanent main contact 16 by means of the actuating rollers 25.1 or 25.2 on the corresponding end contours 27.1 or 27.2 of the respective Drive disk 23.1 or 23.2.
  • a central opening 26 is provided in the drive plate 23, in which a not shown drive shaft of the diverter switch engages and on the drive pulley 23, in the case of switching, a rotational movement.
  • FIGS. 2a to 2c show the top view of a diverter switch according to the invention with permanent main contacts in different switching positions of a switching operation of the switched side B to the side A of the diverter switch.
  • FIG. 2a the stationary state of the wiring of the side B of the diverter switch shown in the ramp surface 18 of the movable permanent main contact 16 by means of the roller engagements 22.2 of the lower drive pulley 23.2 and corresponding to the underside of the rocker 24 actuating roller 25.2 firmly against the corresponding contact blades 12.1 and 13.1 of fixed permanent main contacts 12 and 13 is pressed. Even in this end position, the actuating roller 25.1 does not leave the frontal contour 27.1 of the upper drive pulley 23.1.
  • a large dielectric distance between the ramp surface 17 of the movable contact 16 and the corresponding contact blades 8.1 or 9.1 of the fixed permanent main contacts 8 or 9 of the non-switched side A can be realized.
  • FIG. 2b is the movable contact 16 pivoted about its bearing 21 in the center position and stands with neither the permanent permanent main contacts 12 of the side B, nor the fixed permanent main contacts 8 of the side A, nor the fixed permanent main contacts 9 and 13 of the load dissipation electrically connected. Furthermore, the upper actuating roller 25.1 rolls along the front-side contour 27.1 of the upper drive disk 23.1, whereas the lower actuating roller 25.2 rolls on the front-side contour 27.2 of the lower drive disk 23.2. There is thus a particularly low-friction blocking of the movable permanent main contact 16 in the middle position instead.
  • the Figure 2c shows the wiring of the side A of the on-load tap-changer in the stationary state, after completion of switching.
  • the ramp surface 17 of the movable permanent main contact 16 by means of the roller engagements 22.1 of the upper drive pulley 23.1 and corresponding to the upper side of the rocker 24 actuating roller 25.1 is pressed firmly against the corresponding contact blades 8.1 and 9.1 of the fixed permanent main contacts 8 and 9 respectively. Even in this end position, the actuating roller 25.2 does not leave the frontal contour 27.2 of the lower drive pulley 23.2.

Landscapes

  • Contacts (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Push-Button Switches (AREA)
  • Slide Switches (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
EP11707341.1A 2010-05-11 2011-02-26 Lastumschalter für einen stufenschalter Not-in-force EP2569789B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010020180A DE102010020180A1 (de) 2010-05-11 2010-05-11 Lastumschalter für einen Stufenschalter
PCT/EP2011/000950 WO2011141082A1 (de) 2010-05-11 2011-02-26 Lastumschalter für einen stufenschalter

Publications (2)

Publication Number Publication Date
EP2569789A1 EP2569789A1 (de) 2013-03-20
EP2569789B1 true EP2569789B1 (de) 2015-04-08

Family

ID=44041644

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11707341.1A Not-in-force EP2569789B1 (de) 2010-05-11 2011-02-26 Lastumschalter für einen stufenschalter

Country Status (11)

Country Link
US (1) US8927886B2 (enExample)
EP (1) EP2569789B1 (enExample)
JP (1) JP5784708B2 (enExample)
KR (1) KR101794851B1 (enExample)
CN (1) CN102893357B (enExample)
BR (1) BR112012028426B1 (enExample)
CA (1) CA2798086A1 (enExample)
DE (1) DE102010020180A1 (enExample)
RU (1) RU2012153216A (enExample)
UA (1) UA107588C2 (enExample)
WO (1) WO2011141082A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6282547B2 (ja) * 2014-07-15 2018-02-21 株式会社東芝 負荷時タップ切換装置
CN104765506B (zh) 2015-05-05 2019-01-08 京东方科技集团股份有限公司 触控显示面板及其驱动方法和触控显示装置
RU2713393C2 (ru) * 2015-08-28 2020-02-05 Машиненфабрик Райнхаузен Гмбх Переключатель под нагрузкой для ступенчатого переключателя под нагрузкой и постоянный главный выключатель и разъединитель для него
DE102016104500B3 (de) * 2016-03-11 2017-05-04 Maschinenfabrik Reinhausen Gmbh Laststufenschalter
DE102016104499B3 (de) * 2016-03-11 2017-04-27 Maschinenfabrik Reinhausen Gmbh Wähler für einen Laststufenschalter und Laststufenschalter mit Lastumschalter und Wähler

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485965A (en) * 1966-10-14 1969-12-23 Reinhausen Maschf Scheubeck Selector switch for regulating transformers
JPS469173Y1 (enExample) * 1967-11-09 1971-04-01
JPS4923146B1 (enExample) * 1968-04-15 1974-06-13
CN1205798A (zh) * 1995-12-21 1999-01-20 赖茵豪森机械制造公司 步进开关用的负荷转换开关
DE19547873C1 (de) 1995-12-21 1997-05-07 Reinhausen Maschf Scheubeck Lastumschalter für einen Stufenschalter
JP3836547B2 (ja) * 1996-10-15 2006-10-25 株式会社東芝 負荷時タップ切換器
DE10312176B3 (de) 2003-03-19 2004-06-09 Maschinenfabrik Reinhausen Gmbh Lastumschalter für einen Stufenschalter
SE529799C2 (sv) 2005-12-09 2007-11-27 Abb Research Ltd Anordning för överföring av vridrörelse
DE102006008338B3 (de) * 2006-02-23 2007-02-15 Maschinenfabrik Reinhausen Gmbh Laststufenschalter mit Kraftspeicher
CN101452759B (zh) * 2008-09-19 2012-03-21 任宏宇 多级调压转换分接开关
FR2940508B1 (fr) * 2008-12-22 2016-02-12 Areva T&D Ag Dispositif mecanique de commande d'un sectionneur a haute ou moyenne tension
CN101699592B (zh) * 2009-09-30 2011-12-21 贵州长征电力设备有限公司 一种主载流触头系统
DE102010015051B4 (de) * 2010-04-15 2012-06-14 Maschinenfabrik Reinhausen Gmbh Mechanischer Schaltkontakt

Also Published As

Publication number Publication date
HK1178684A1 (en) 2013-09-13
EP2569789A1 (de) 2013-03-20
CN102893357B (zh) 2015-07-08
US20130112541A1 (en) 2013-05-09
WO2011141082A1 (de) 2011-11-17
KR20130064070A (ko) 2013-06-17
CA2798086A1 (en) 2011-11-17
DE102010020180A1 (de) 2011-11-17
JP5784708B2 (ja) 2015-09-24
BR112012028426B1 (pt) 2020-12-01
KR101794851B1 (ko) 2017-11-07
CN102893357A (zh) 2013-01-23
BR112012028426A2 (pt) 2016-07-19
RU2012153216A (ru) 2014-06-20
JP2013526772A (ja) 2013-06-24
US8927886B2 (en) 2015-01-06
UA107588C2 (uk) 2015-01-26

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