EP2839495A1 - Changeur de prises en charge - Google Patents

Changeur de prises en charge

Info

Publication number
EP2839495A1
EP2839495A1 EP13714885.4A EP13714885A EP2839495A1 EP 2839495 A1 EP2839495 A1 EP 2839495A1 EP 13714885 A EP13714885 A EP 13714885A EP 2839495 A1 EP2839495 A1 EP 2839495A1
Authority
EP
European Patent Office
Prior art keywords
load tap
selector
switching
contact
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.)
Granted
Application number
EP13714885.4A
Other languages
German (de)
English (en)
Other versions
EP2839495B1 (fr
Inventor
Alfred Bieringer
Christian Hammer
Rolf Strempel
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 EP2839495A1 publication Critical patent/EP2839495A1/fr
Application granted granted Critical
Publication of EP2839495B1 publication Critical patent/EP2839495B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
    • 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
    • H01H9/0005—Tap change devices
    • H01H9/0038—Tap change devices making use of vacuum switches
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/052—Selectors, e.g. dimmers

Definitions

  • the present invention relates to an on-load tap-changer for uninterrupted use
  • on-load tap changers have been used worldwide for uninterrupted switching between different winding taps of step transformers in large numbers.
  • So-called reactor switches which are particularly common in North America, have a switching reactance, which allows a slow, continuous switching.
  • On-load tap-changers according to the resistance rapid-switching principle usually consist of a selector for powerless selection of the respective winding tap of the
  • Stepped transformer to be switched to, and a diverter switch for the actual switching from the previous to the new, preselected
  • the diverter switch usually has switching contacts and resistance contacts.
  • the Schaitessore serve for the direct connection of the respective winding tap with the load dissipation, the resistor contacts for short-term wiring, d. H. Bridging by means of one or more
  • a diverter switch carries a drivable by a power storage drive shaft with at least one cam.
  • the cam has a plurality of control cams, two of which are arranged on the front side of the cam
  • Cams have a deviating from a circular contour contour on the type of cam, on the contact-connected in each case via a rocker arm connected to a vacuum interrupter roller is guided, which taps the profiled contour of the respective control cam.
  • tap changer are constructed according to the principle of resistance fast circuit for uninterrupted switching from a tap of a tapped transformer to another so that each with the outputs of the stepped windings electrically connected fixed step contacts in one or more horizontal plane or planes are arranged in a circle on an insulating material scaffolding or - cylinder and are connected by actuated by concentric drive shafts rotatable contact bridges.
  • the actuation of the contact bridges takes place abruptly after triggering a wound up by the drive shaft of the switch energy storage, usually spring energy storage.
  • Linear contact actuator step switches are described, wherein the fixed stage contacts extend along a track into the interior of the switch and are connectable by a slidable switching mechanism, which in turn is driven by the drive shaft.
  • the vertically displaceable switching mechanism consists of a continuously driven by the drive shaft elevator carriage, which preselects the new fixed stage contact, and one by the elevator carriage by means of an energy storage device
  • On-load tap-changer with linearly arranged selector contacts became known. Above the selector contacts, so separated locally, are the respective voter contacts assigned to each phase fixed vacuum interrupters for the actual, sudden load switching. To operate this on-load tap-changer is a
  • Feder energie was necessary that actuates the selector contacts during its elevator movement, as well as the vacuum switching elements driven by its sudden output movement.
  • the structural design of the on-load tap-changer that is to say with a rotating or linearly movable contact system
  • Such energy storage for example, DE 198 55 860 C1 and DE 28 06 282 B1 can be removed.
  • Object of the present invention is therefore to provide an on-load tap-changer, which dispenses with the complex construction of a force accumulator and thus provides a significantly simplified structural design while increasing operational safety.
  • the general inventive idea is to operate both the selector contact unit, as well as the switching means for uninterrupted load switching by means of a common motor drive without the interposition of an energy storage.
  • a preferred embodiment of the invention is driven by the motor drive both a threaded spindle, which in turn with the selector contact unit in
  • Active connection is, as well as a camshaft, by means of the switching means for
  • the gear module has for this purpose a flange-like sealing module, which is located directly at the bottom of the Transformer cover is arranged and releasably connected to the motor drive, in particular screwed, is.
  • On the transmission module is also the entire
  • the gear module has both the task, the gear module
  • connection flange with overfilled sealing surface on the transformer cover can be dispensed with.
  • this type of proposed attachment provides a simple for the transformer manufacturer mounting the on-load tap-changer within the transformer tank.
  • a support plate of a dielectric material, in particular a plastic is provided, on which the selector contact unit on a first side and the switching means for uninterrupted switching are arranged on a second side, such that the support plate for the On-load tap-changer establishes necessary earth clearance.
  • the at least one selector contact unit is moved during a changeover along a guide rod, which ensure a linear guidance of the at least one Wähiertempoech.
  • Wähierrome oak each case comprises a sliding carriage and a contact carrier for receiving the movable selector contacts, which cooperate with the fixed linguisticler.
  • the movable selector contacts are each received on a contact carrier and act with fixed
  • FIG. 1 shows a first lateral perspective view of an embodiment of a
  • FIG. 2 shows a second lateral perspective view of the embodiment according to FIG. 1
  • FIG. 3 shows a detailed view of the selector contact unit of a device according to the invention
  • an on-load tap-changer 1 according to the invention is in two
  • Such a step transformer which is well known in the prior art, comprises a transformer tank filled with insulating oil, in which at least one winding is arranged on an iron yoke. This winding is divided into a master and a control winding, on which a plurality of winding taps are provided, which form the control area.
  • the on-load tap-changer 1 has a at the bottom of the
  • the motor drive 3 can, for example, as a commercial
  • the transmission module 2 comprises a flange-like sealing module 4, which is arranged directly on the underside of the transformer cover and with the
  • the gear module 2 fulfills both the task of holding the on-load tap-changer 1, as well as hermetically sealing by means of the sealing module 4 with respect to the outside of the transformer. Twists of the
  • Transformer lid during transport of the transformer are not transmitted to the on-load tap-changer 1.
  • a carrier plate 5 of dielectric material to which the individual components of the on-load tap-changer 1 can be fastened.
  • the support plate 5 is made of electrically insulating material and adapted to receive all the essential components of the on-load tap-changer 1. As switching means for uninterrupted switching sees the on-load tap-changer 1 according to the invention
  • Vacuum switching tubes 6.1 ... 6.6 wherein two vacuum interrupters 6.1 and 6.2, or 6.3 and 6.4, and 6.5 and 6.6 are each associated with a phase of the on-load tap-changer 1 and cooperate with a corresponding selector contact unit 7.1 ... 7.3 of the same phase.
  • the vacuum interrupters 6.1 ... 6.6 are off the shelf the art known switching means with a movable switching contact 8.1 ... 8.6 and a fixed contact, not shown.
  • Each dial contact unit 7.1 ... 7.3 each includes a plurality of connectable fixed selector contacts 9.1 ... 9.5, which are electrically connected to the winding taps of the control coil of the tapped transformer, a contact carrier 10.1 ... 10.3, each with two spring-mounted, movable
  • each voter contact unit 7.1, 7.2 and 7.3 is connected to a separate phase, ie winding, of the tapped transformer.
  • the contact carrier 10.1 ... 10.3 of each phase is mechanically fixed to a slide 12.1 ... 12.3 and forms together with this a structural unit.
  • the slide 12.1 ... 12.3 is received on a guide rod 13.1 ... 13.3 and on a, to the guide rod 13.1 ... 13.3 arranged in parallel, threaded spindle 14, such that the individual fixed
  • a movable selector contact for example, the movable selector contact 11.1, the first fixed selector contact, for example, the fixed selector contact 9.1, and the other movable selector contact, for example movable selector contact 1 .2, connected to the first fixed selector contact second fixed selector contact, for example, the fixed selector contact 9.2, connected, as a stationary operating position of the on-load tap-changer 1 permissible.
  • a movable selector contact for example, the movable selector contact 11.1, the first fixed selector contact, for example, the fixed selector contact 9.1
  • the other movable selector contact for example movable selector contact 1 .2
  • the Rekatorschaltront in here 5 illustrated fixed selector contacts 9.1 ... 9.5 nine stationary operating positions possible, while there are only 5 stationary operating positions at a load stage switch 1 after the kauschnellschalt principle, in which no middle positions are allowed.
  • both the threaded spindle 14 is driven, which in turn is in mechanical operative connection with each of the selector contact units 7.1 ... 7.3, as well as a camshaft 25, by means of the switching means for uninterrupted switching, so the vacuum interrupters 6.1 ... 6.6, are operable.
  • the threaded spindle 14 is formed over the entire length thereof as a threaded spindle and is brought into engagement with a provided in each of the sliding 12.1 ... 12.3, but not shown in Figures 1 and 2, the spindle nut 16.1 ... 16.3, such that at a rotation of
  • Threaded spindle 14 moves each slide 12.1 ... 12.3 horizontally.
  • each movable switching contact 8.1 .... 8.6 is mechanically positively coupled with a lifting rod 26.1 ... 26.6, arranged with, on the the movable switching contacts 8.1 ... 8.6 opposite to the camshaft 25,
  • Control cam 27.1 ... 27.6 cooperates, such that upon rotation of the camshaft 25, the control cam 27.1 ... 27.6 on the corresponding lifting rod 26.1 ... 26.6 initiates a vertical movement and thus ultimately the associated movable switching contact 8.1 ... 8.6 of corresponding vacuum interrupters 6.1 ... 6.6 actuated.
  • a rocker arm assembly could be provided which is driven by the camshaft.
  • FIG. 3 shows the fixed selector contacts 9.1... 9.5, which are arranged on a contact strip 28.1 made of plastic.
  • the contact strip 28.1 ... 28.3 attached by means of two spacers 29.1 ... 29.2, which are used as a connection of an override choke or a transfer resistor, not shown.
  • Switching reactors are based on the reactor switching principle and the switching resistances after the
  • the contact strip 28.1 on its longitudinal side on a control link, on both sides of several cams are arranged to the spring-mounted selector contacts 11.1 and 11.2 of the corresponding
  • Selector contact unit 7.1 to move vertically at a longitudinal displacement of the corresponding sliding carriage 12.1 by means of the cam provided on the control cam, depending on the contour of the plurality of cams.
  • the contour of the cams is dimensioned such that the movable selector contacts 11.1 and 11.2 of the selector contact unit 7.1 between two adjacent fixed selector contacts 9.1 ... 9.5 of the currently wired fixed
  • Dial contact here 9.1, lift off after they schalterten after completion of switching the next fixed selector contact, here 9.2. So it is a middle position of the movable selector contacts 11.1 and 11.2 on two adjacent fixed selector contacts 9.1 ... 9.5 permissible according to the reactor switching principle, while after the
  • the on-load tap-changer 1 thus does not only operate according to the reactor switching principle but also according to the invention
  • Resistance rapid switching principle can be used. Depending on the underlying switching principle 9 stationary operating positions are permitted at fixed contactors 9.1 ... 9.5 shown here according to the reactor switching principle, while only 5 stationary operating positions are permitted in a constructed according to the resistance switching principle according to the invention on-load tap-changer 1.
  • the on-load tap-changer 1 according to the invention can be particularly advantageous
  • Distribution transformers are used for voltage regulation of local networks.

Landscapes

  • Housings And Mounting Of Transformers (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Slide Switches (AREA)

Abstract

La présente invention concerne un changeur de prises pour la commutation sans interruption entre différentes prises d'enroulements d'un transformateur à prises selon le préambule de la première revendication. Le concept inventif général sous-jacent est de permettre l'actionnement tant de l'unité de contact de sélecteur que des moyens de commutation aux fins de commutation de réglage en charge sans interruption à l'aide d'un mécanisme d'entraînement à moteur commun sans nécessiter d'intercaler un accumulateur d'énergie.
EP13714885.4A 2012-04-20 2013-03-25 Changeur de prises en charge Active EP2839495B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202012101475U DE202012101475U1 (de) 2012-04-20 2012-04-20 Laststufenschalter
PCT/EP2013/056279 WO2013156268A1 (fr) 2012-04-20 2013-03-25 Changeur de prises en charge

Publications (2)

Publication Number Publication Date
EP2839495A1 true EP2839495A1 (fr) 2015-02-25
EP2839495B1 EP2839495B1 (fr) 2016-10-19

Family

ID=48050682

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13714885.4A Active EP2839495B1 (fr) 2012-04-20 2013-03-25 Changeur de prises en charge

Country Status (9)

Country Link
US (1) US20150034462A1 (fr)
EP (1) EP2839495B1 (fr)
JP (1) JP2015515139A (fr)
KR (1) KR102010939B1 (fr)
CN (1) CN104246947B (fr)
DE (1) DE202012101475U1 (fr)
HK (1) HK1202977A1 (fr)
RU (1) RU2014146582A (fr)
WO (1) WO2013156268A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104810168B (zh) * 2015-03-10 2017-04-26 上海华明电力设备制造有限公司 电抗式真空条形有载分接开关
EP3086343B1 (fr) 2015-04-21 2018-11-14 Ormazabal Corporate Technology, A.I.E. Changeur de prises en charge
DE102016104500B3 (de) * 2016-03-11 2017-05-04 Maschinenfabrik Reinhausen Gmbh Laststufenschalter
CN106653426B (zh) * 2017-01-12 2018-08-17 济南爱迪电气设备有限公司 一种配电变压器专用有载调压开关
CN106876206A (zh) * 2017-03-31 2017-06-20 宁波安德奥电力设备有限公司 双输出直线自滑动开关
CN108695083B (zh) * 2017-04-07 2021-03-05 王守国 一种小型化智能型有载调压开关
CN106981382B (zh) * 2017-06-08 2019-05-07 山东民生电气设备有限公司 一种低压调压开关
CN109427494A (zh) * 2017-08-22 2019-03-05 济南爱迪电气设备有限公司 一种配电变压器专用有载调压开关
CN108511223B (zh) * 2018-05-26 2024-04-02 辽宁金立电力电器有限公司 卧式有载调容调压分接开关
ES1216144Y (es) 2018-06-04 2018-10-24 Ormazabal Corporate Tech A I E Sistema de contactos para dispositivo cambiador de tomas electricas en carga
CN110349777A (zh) * 2019-08-02 2019-10-18 浙江雷纽电气科技有限公司 一种有载分接开关调容调压装置及有载分接开关
CN113745014B (zh) * 2021-07-27 2022-10-04 中国电力科学研究院有限公司 一种有载分接开关的往复式切换机构
ES2936183B2 (es) 2021-09-14 2023-12-27 Univ Sevilla Interruptor estatico de corriente alterna con rango extendido de intensidad
KR102547475B1 (ko) * 2022-09-30 2023-06-28 부흥시스템(주) 아크 유도형 접점이 구비된 탭 셀렉터

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2806282C2 (de) 1978-02-15 1980-04-10 Maschinenfabrik Reinhausen Gebrueder Scheubeck Gmbh & Co Kg, 8400 Regensburg Lastumschalter für Stufenschalter von Stufentransformatoren
JPS59204224A (ja) * 1983-05-07 1984-11-19 Hokuriku Denki Seizo Kk 負荷時タツプ切換器の真空バルブ操作機構
DE4237165C1 (de) 1992-11-04 1994-03-17 Reinhausen Maschf Scheubeck Einpoliger Stufenschalter mit linearer Kontaktbetätigung für einen Stufentransformator
EP0650637B1 (fr) * 1992-07-16 1996-04-10 MASCHINENFABRIK REINHAUSEN GmbH Commutateur a gradins
DE19836463C1 (de) * 1998-08-12 1999-10-21 Reinhausen Maschf Scheubeck Stufenschalter mit einem Vorwähler
DE19847745C1 (de) * 1998-10-16 2000-01-05 Reinhausen Maschf Scheubeck Stufenschalter
DE19855860C1 (de) 1998-12-03 2000-02-17 Reinhausen Maschf Scheubeck Kraftspeicher für einen Stufenschalter
US7145760B2 (en) * 2000-12-15 2006-12-05 Abb Technology Ltd. Tap changer monitoring
CN1248004C (zh) * 2000-12-15 2006-03-29 Abb技术有限公司 分接头切换器的监控
DE502004001678D1 (de) * 2003-04-03 2006-11-16 Reinhausen Maschf Scheubeck Stufenschalter
DE102009035699A1 (de) * 2009-07-30 2011-02-10 Maschinenfabrik Reinhausen Gmbh Anordnung eines Stufenschalters an einem Regeltransformator
DE102009043171B4 (de) 2009-09-26 2014-11-20 Maschinenfabrik Reinhausen Gmbh Stufenschalter mit Vakuumschaltröhren
EP2591483B1 (fr) * 2010-07-06 2014-03-26 ABB Research Ltd. Mécanisme commutateur de sélection à compensation de la position de l'encoche de came

Also Published As

Publication number Publication date
US20150034462A1 (en) 2015-02-05
RU2014146582A (ru) 2016-06-10
JP2015515139A (ja) 2015-05-21
CN104246947B (zh) 2016-11-09
HK1202977A1 (en) 2015-10-09
KR20140145616A (ko) 2014-12-23
DE202012101475U1 (de) 2013-07-23
CN104246947A (zh) 2014-12-24
KR102010939B1 (ko) 2019-08-14
WO2013156268A1 (fr) 2013-10-24
EP2839495B1 (fr) 2016-10-19

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