EP2686856B1 - Changeur de prises en charge - Google Patents

Changeur de prises en charge Download PDF

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Publication number
EP2686856B1
EP2686856B1 EP12702545.0A EP12702545A EP2686856B1 EP 2686856 B1 EP2686856 B1 EP 2686856B1 EP 12702545 A EP12702545 A EP 12702545A EP 2686856 B1 EP2686856 B1 EP 2686856B1
Authority
EP
European Patent Office
Prior art keywords
energy store
abutment
load
drive shaft
load tap
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
EP12702545.0A
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German (de)
English (en)
Other versions
EP2686856A1 (fr
Inventor
Wolfgang Albrecht
Klaus HÖPFL
Silke Wrede
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.)
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Publication date
Application filed by Maschinenfabrik Reinhausen GmbH, Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG filed Critical Maschinenfabrik Reinhausen GmbH
Publication of EP2686856A1 publication Critical patent/EP2686856A1/fr
Application granted granted Critical
Publication of EP2686856B1 publication Critical patent/EP2686856B1/fr
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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
    • H01H9/0027—Operating mechanisms
    • 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
    • H01H3/44—Driving mechanisms, i.e. for transmitting driving force to the contacts using Geneva movement

Definitions

  • the invention relates to an on-load tap-changer with separate selector and diverter switch for uninterrupted switching between different winding taps of a tapped transformer under load.
  • the tap changer of the type mentioned above have a separate selector for powerless preselection of the winding tap to be switched to, as well as a diverter switch for actual switching from the previous to the preselected new winding tap. Since this change takes place suddenly, such on-load tap changers have a force store.
  • Such energy storage for a diverter switch is from the DE-PS 19 56 369 such as DE-PS 28 06 282 already known. It is tightened at the beginning of each actuation of the on-load tap-changer by its drive shaft, ie tensioned.
  • the known power storage essentially consists of an elevator carriage and a jump carriage, between which power storage springs are arranged as energy storage.
  • guide rods are provided on which elevator carriage and jump carriage are mounted independently movable longitudinally. At the same time, the guide rods form the guide for the energy storage springs.
  • the elevator carriage is moved linearly relative to the jump carriage by an eccentric connected to the drive shaft; As a result, the power storage springs between them are tensioned. If the elevator carriage has reached its new end position, a hitherto fixed locking of the jump carriage is released. This follows now abruptly, as standing under the force of the power storage springs, the previous linear movement of the elevator carriage also linearly after. This jump-like movement of the jump carriage is converted into a rotational movement of a drive shaft which in turn actuates the diverter switch. In this force accumulator, therefore, an alternating toggling between two positions is realized.
  • WO89 / 08924 is another energy storage, known there as a spring-loaded drive, known, the storage spring can be tensioned by a drive, the driven element is connected to a special coupling element, which is triggered independently of the direction of rotation of the drive in one direction only
  • the WO2006 / 00452 A1 concerns a further such arrangement in which the permanent main contacts of an on-load tap changer are always actuated in the same direction of rotation independently of the drive direction of the drive shaft by means of a special mechanical transmission.
  • a very similar arrangement is from the WO2007 / 067144 A1 known.
  • a device for transmitting a rotary motion in a diverter switch is described, wherein the rotational movement a drive shaft rotatable in both directions is converted into a rotational movement of a drive shaft which always rotates in the same direction.
  • the object of the invention is to provide a tap changer of the type mentioned with a force accumulator, which allows repeated switching in one direction and alternately a to and fro, depending on the respective direction of rotation of the drive shaft, the force storage device according to the invention should be simple on can dispense with complex mechanical means for motion reversal and can be operated directly through the - even with several successive circuits running - any direction of rotation of the drive shaft.
  • the drive shaft in any direction of rotation can be operated, at the same time the energy storage device can also be pulled in any direction and later triggered.
  • the energy storage device is equally suitable in the invention in repeatedly in the same direction rotating drive shaft and in the alternating direction rotating drive shaft, without the need for complicated mechanical means - as in the prior art - to reverse the direction of rotation or unification.
  • FIG. 1 the drive of an on-load tap changer according to the invention is shown schematically He has a drive shaft 1, which is actuated by a drive, not shown here.
  • a gear 2 On the drive shaft 1 is a gear 2, which cooperates with a further gear 3, the bearing is not shown.
  • This stop 4 corresponds to a further stop 5a, which is arranged on an intermediate shaft 6, which is rotatably centered within the gear 3 and independently of this is located on the stop 5a, a bolt 5, which in turn is connected to an actuating rod 7 of a force accumulator 8; through him is a force storage spring 9 can be pulled up.
  • a further stop 10 is provided, which corresponds to a counter-stop 11 on a driven gear 12.
  • the output gear 12 is in turn rotatable independently of the previously mentioned components. It has a roller 13 which cooperates with a Maltese wheel 14, that can intervene in this.
  • the Maltese wheel 14 in turn is connected to an only indicated diverter switch drive 15, which in turn is the diverter switch 18, not shown here (see Fig. 6 to 8
  • the illustrated Maltese transmission is only one possible embodiment of a possible step transmission within the scope of the invention.
  • the on-load tap-changer has two separate freewheels: a first freewheel, consisting of stop 4 and corresponding stop 5a and a second freewheel, consisting of stop 10 and counter-stop 11.
  • FIG. 1 shows this on-load tap-changer at the beginning of the operation.
  • the drive shaft 1 begins to rotate, so that the gear 2 and the gear 3. Since the stopper 4 on the gear 3 is still running freely, the other components remain in the rest position.
  • FIG. 2 shows this on-load tap-changer with continued rotation of the drive shaft 1. Now the stopper 4 hits the stop 5a of the intermediate shaft 6, rotates it and at the same time pulls the energy accumulator 8, more precisely its energy storage spring 9 on.
  • FIG. 3 shows the on-load tap-changer according to the invention in another elevator of the energy accumulator 8.
  • the stop 10 now hits the counter-stop 11, the driven gear 12 begins to rotate.
  • FIG. 4 shows the position of the full elevator of the energy accumulator 8.
  • the bolt 5 and thus the operating rod 7 of the energy accumulator 8 have reached the dead center on the gear 3, with continued rotation, the force accumulator spring 9 is suddenly relaxed.
  • the stopper 10 meets at the lower part of the intermediate shaft 6 unchanged on the counter-stop 11 of the hitherto stationary output gear 12 and takes this on.
  • the role 13 is still running free.
  • FIG. 5 shows how in the sequence of the deflected energy storage 8, the driven gear 12 rotates quickly.
  • the roller 13 engages in the Geneva wheel 14 and rotates it.
  • the Lastumschalterantrieb 15 is rotated, in turn, the diverter switch 18, ie its contacts, jumped actuated at the same time, the drive shaft 1, however, still rotates by a certain angle.
  • the energy storage 8 does not trigger and thus the Geneva wheel 14 can not be operated by the triggered energy storage 8, as actually provided, yet the new end position of the diverter switch 18 is achieved forcibly.
  • FIG. 6 shows the schematic overall structure of an on-load tap changer according to the invention. It is shown that a first freewheel 16 is provided between gear 3 and power accumulator 8. This freewheel 16 consists of the in the FIGS. 1 to 5 shown stop 4 and the corresponding stop 5a. Furthermore, it is shown that the energy accumulator 8 acts on a further freewheel 17, from the in the FIGS. 1 to 5 shown stop 10 and the corresponding counter-stop 11 consists. About this freewheel 17 is a delayed intervention in the Maltese 14, by the in the FIGS. 1 to 5 shown role 13.
  • the diverter switch drive 15 for actuating the diverter switch 18 thus rotates in the same direction as the drive shaft. 1 Also shown is a diverter switch housing 19 enclosing the diverter switch 18 and including a selector 20 which is continuously actuated by the drive shaft 1 for loadless preselection of the new winding tap to be subsequently switched to.
  • FIG. 7 shows a switching sequence of an on-load tap changer according to the invention.
  • the sequence when switching from one winding tap n to an adjacent new winding tap n + 1 is shown.
  • the drive shaft 1 rotates continuously and after a certain angle of rotation begins to move the selector 20 from the previous to the new winding tap.
  • the diverter switch 18 is suddenly activated - this is done by the triggered energy storage.
  • the drive shaft 1 still continues to run by a certain amount before the switching process is completely completed. In a further switchover in the same direction, the depicted repeats itself.
  • the corresponding rotation angle course is shown. It can be seen that the drive shaft, which is continuously rotating, first actuates the selector 20. Only after this has reached its position, the diverter switch 18 is triggered
  • FIG. 8 shows a switching sequence in the opposite direction of rotation of the drive shaft, ie, from the tap n + 1 back to the tap n.
  • the corresponding directions of movement of the drive shaft 1 are in the FIGS. 7 and 8th each symbolized by an arrow
  • the invention allows in a simple manner that the separate diverter switch 18 is actuated both several times in succession in the same direction of rotation of the drive shaft 1 and, alternatively, when the direction of rotation of the drive shaft 1 in a simple manner.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Housings And Mounting Of Transformers (AREA)

Claims (4)

  1. Changeur de prises en charge pour la commutation sans interruption entre deux prises d'enroulement (n, n+1) d'un transformateur à plots comprenant :
    un sélecteur (20) séparé pour effectuer une présélection sans puissance de la prise d'enroulement (n, n+1) sur laquelle la commutation doit être effectuée,
    un commutateur de charge séparé (18) pour effectuer la commutation de charge proprement dite de la prise d'enroulement antérieure sur la nouvelle prise d'enroulement présélectionnée (n, n+1),
    un accumulateur de force (8) comportant au moins un ressort accumulateur de force (9) qui, lors de chaque commutation de charge est tout d'abord mis sous contrainte par un arbre d'entrainement rotatif (1), et après son relâchement actionne par à coup le commutateur de charge (18),
    une roue dentée (3) avec laquelle l'arbre d'entrainement (1) est en liaison fonctionnelle et par laquelle l'accumulateur de force (8) peut être mis sous contrainte,
    entre la roue dentée (3) et l'accumulateur de force (8) étant prévue une première marche à vide mécanique (16) pour découpler par intermittence l'accumulateur de force (8) du mouvement de rotation de l'arbre d'entrainement (1) de sorte que l'accumulateur de force (8) puisse être mis sous contrainte de façon retardée après le début de l'actionnement de l'arbre d'entrainement (1),
    caractérisé en ce que
    le ressort accumulateur de force (9) de l'accumulateur de force (8) dégagé agit sur une seconde marche à vide mécanique (17) pour permettre de découpler par intermittence le commutateur de charge (18) du mouvement de rotation de l'arbre d'entrainement (1), cette seconde marche à vide mécanique (17) venant en prise dans une transmission pas à pas (13, 14) pour actionner le commutateur de charge (18) de sorte que ce commutateur de charge (18) puisse être actionné de façon retardée après la fin de l'actionnement du sélecteur (20), et
    les deux marches à vide (16, 17) sont montées et réalisées de sorte que pendant un processus de commutation l'arbre d'entrainement (1) puisse être actionné en continu, le sélecteur (20) puisse tout d'abord être actionné pour permettre une présélection sans charge sur la prise d'enroulement (n, n+1) à commuter par l'arbre d'entrainement (1), que le commutateur de charge (18) puisse être actionné par l'arbre d'entrainement (1), après la fin du processus de sélection au moyen du sélecteur (20), et que après la fin du processus de commutation au moyen du commutateur de charge (18) l'arbre d'entrainement (1) tourne à nouveau d'un angle de rotation prédéfini.
  2. Changeur de prises en charge conforme à la revendication 1,
    caractérisé en ce que
    sur la roue dentée (3) est montée une butée (4) qui coopère avec une autre butée (5a) montée sur un arbre intermédiaire (6) mobile en rotation indépendamment de l'arbre d'entrainement (1) de sorte que la butée (4) et l'autre butée (5a) forment la première marche à vide mécanique (16),
    le ressort accumulateur de charge (9) dégagé agit sur l'arbre intermédiaire (6),
    sur l'arbre intermédiaire (6) est en outre montée une autre butée (10) qui coopère avec une butée antagoniste (11) montée sur une roue entrainée (12) mobile en rotation indépendamment de sorte que l'autre butée (10) et la butée antagoniste (11) forment la seconde marche vide mécanique (17), et
    la roue entrainée (12) actionne le commutateur de charge (18) par l'intermédiaire de la transmission pas à pas.
  3. Changeur de prises en charge conforme à la revendication 2,
    caractérisé en ce que
    la roue entrainée (12) comporte un galet (13) qui vient en prise dans une roue en forme de croix de Malte (14) de sorte que le galet (13) et la roue en forme de croix de Malte (14) forment la transmission pas à pas.
  4. Changeur de prises en charge conforme à l'une des revendications 1 à 3,
    caractérisé en ce que
    le ressort accumulateur de force (9) est fixé à l'une des ses extrémités et est relié mécaniquement par son autre extrémité libre à la butée (5a) montée sur l'arbre intermédiaire (6) et, le ressort accumulateur de force (9) peut être mis sous contrainte lors de la rotation de l'arbre intermédiaire.
EP12702545.0A 2011-03-12 2012-02-06 Changeur de prises en charge Active EP2686856B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011013749.1A DE102011013749B4 (de) 2011-03-12 2011-03-12 Laststufenschalter
PCT/EP2012/051963 WO2012123187A1 (fr) 2011-03-12 2012-02-06 Commutateur de prises en charge

Publications (2)

Publication Number Publication Date
EP2686856A1 EP2686856A1 (fr) 2014-01-22
EP2686856B1 true EP2686856B1 (fr) 2015-04-08

Family

ID=45563048

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12702545.0A Active EP2686856B1 (fr) 2011-03-12 2012-02-06 Changeur de prises en charge

Country Status (7)

Country Link
US (1) US9251971B2 (fr)
EP (1) EP2686856B1 (fr)
CN (1) CN103430267B (fr)
DE (1) DE102011013749B4 (fr)
HK (1) HK1189421A1 (fr)
UA (1) UA110959C2 (fr)
WO (1) WO2012123187A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010017767U1 (de) * 2010-04-15 2012-08-09 Maschinenfabrik Reinhausen Gmbh Schrittschaltgetriebe für Laststufenschalter von Stufentransformatoren
DE102014224405A1 (de) * 2014-11-28 2016-06-02 Siemens Aktiengesellschaft Vorrichtung, aufweisend eine Getriebeanordnung
DE102015103928B4 (de) * 2015-03-17 2021-11-04 Maschinenfabrik Reinhausen Gmbh Energiespeicher für einen Laststufenschalter sowie Laststufenschalter mit Energiespeicher
DE102018102835B4 (de) * 2018-02-08 2023-03-16 Maschinenfabrik Reinhausen Gmbh Schaltelement für Stufenschalter und Stufenschalter
CN108747440A (zh) * 2018-08-31 2018-11-06 无锡金戈数控设备有限公司 多功能数控加工中心
CN109449018B (zh) * 2018-12-23 2023-11-07 辽宁金立电力电器有限公司 一种有载分接开关
EP3761333B1 (fr) * 2019-07-01 2023-08-30 Hitachi Energy Switzerland AG Agencement d'entraînement pour un changeur de prise
DE102019130460A1 (de) * 2019-11-12 2021-05-12 Maschinenfabrik Reinhausen Gmbh Laststufenschalter
DE102019130457B3 (de) * 2019-11-12 2021-02-04 Maschinenfabrik Reinhausen Gmbh Laststufenschalter
DE102019131169B3 (de) * 2019-11-19 2021-02-18 Maschinenfabrik Reinhausen Gmbh Laststufenschalter und Stufentransformator mit Laststufenschalter
CN111312536A (zh) * 2020-03-25 2020-06-19 武汉泰普变压器开关有限公司 一种变压器分接开关换挡到位声响和定位手感装置
CN112652498A (zh) * 2020-09-29 2021-04-13 保定和易法电气科技有限公司 一种作用于高压开关柜状态转换开关的装置
EP3989251B1 (fr) 2020-10-21 2023-06-28 Hitachi Energy Switzerland AG Système de commutation d'un changeur de prise en charge, changeur de prise en charge et procédé de commutation d'un élément de prise d'un changeur de prise en charge
CN113113245B (zh) * 2021-03-01 2023-12-12 北京航天控制仪器研究所 一种分体式有载分接开关
CN113113244B (zh) * 2021-03-01 2023-11-10 北京航天控制仪器研究所 一种用于有载分接开关的串联式蓄能器以及有载分接开关
WO2022183670A1 (fr) * 2021-03-01 2022-09-09 北京航天控制仪器研究所 Dispositif d'avance à pleine gamme pour accumulateur à combinateur à prises, accumulateur et combinateur à prises

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CH347244A (de) * 1956-03-29 1960-06-30 Smit & Willem & Co Nv Umschalter
NL6813678A (fr) * 1968-09-25 1970-03-31
DE1956369B2 (de) * 1969-11-08 1971-10-21 Kraftspeicher fuer lastumschalter von stufenschaltern fuer regeltransformatoren
SE357279B (fr) * 1971-11-02 1973-06-18 Asea Ab
BE787271A (fr) * 1972-08-07 1973-02-07 Acec Selecteur en charge pour transformateur.
DE2806282C2 (de) * 1978-02-15 1980-04-10 Maschinenfabrik Reinhausen Gebrueder Scheubeck Gmbh & Co Kg, 8400 Regensburg Lastumschalter für Stufenschalter von Stufentransformatoren
AT389187B (de) * 1988-03-18 1989-10-25 Elin Union Ag Federsprungantrieb fuer lastumschalter von stufenschaltern
US7982142B2 (en) 2004-06-30 2011-07-19 Abb Research Ltd. Diverter switch, a method for operating such a switch and use of such a switch
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
DE102009034627B3 (de) * 2009-07-24 2010-09-09 Maschinenfabrik Reinhausen Gmbh Laststufenschalter mit Kraftspeicher

Also Published As

Publication number Publication date
US9251971B2 (en) 2016-02-02
HK1189421A1 (en) 2014-06-06
DE102011013749B4 (de) 2015-03-19
CN103430267A (zh) 2013-12-04
CN103430267B (zh) 2016-03-23
EP2686856A1 (fr) 2014-01-22
UA110959C2 (uk) 2016-03-10
WO2012123187A1 (fr) 2012-09-20
DE102011013749A1 (de) 2012-09-13
US20130341166A1 (en) 2013-12-26

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