EP2783377A1 - Changeur de prises en charge à ampoules à vide - Google Patents

Changeur de prises en charge à ampoules à vide

Info

Publication number
EP2783377A1
EP2783377A1 EP12778704.2A EP12778704A EP2783377A1 EP 2783377 A1 EP2783377 A1 EP 2783377A1 EP 12778704 A EP12778704 A EP 12778704A EP 2783377 A1 EP2783377 A1 EP 2783377A1
Authority
EP
European Patent Office
Prior art keywords
rocker arm
vacuum
vacuum interrupters
lever
tap changer
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
EP12778704.2A
Other languages
German (de)
English (en)
Other versions
EP2783377B1 (fr
Inventor
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.)
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 EP2783377A1 publication Critical patent/EP2783377A1/fr
Application granted granted Critical
Publication of EP2783377B1 publication Critical patent/EP2783377B1/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
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • 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
    • 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
    • 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
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H2033/6667—Details concerning lever type driving rod arrangements

Definitions

  • the invention relates to a tap changer with vacuum interrupters according to the preamble of the first claim.
  • Tap changers have been used worldwide for many years to continuously switch between different winding taps of high-speed tap-changers.
  • Such tap changer usually consist of a selector for
  • the sudden changeover is usually carried out with the aid of a force accumulator, when its triggering a switching shaft is rotated quickly.
  • the diverter switch also usually has
  • the switching contacts serve for direct connection of the respective winding tap with the load dissipation, the
  • Resistor contacts for short-time wiring d. H. Bridging by means of one or more switching resistors.
  • Cams have a defined, deviating from the circular contour, by means of the individual switching on the rotation of the shift shaft or also mechanical contacts are actuated.
  • the cam is realized here in the form of a horizontally deviating from the circular contour circumferential groove, in the form-fitting engages the respective role. Furthermore, from DE 40 1 1 019 C1 a working on the reactor principle
  • vacuum interrupters for regulating power transformers require a high surge voltage capability, up to and significantly above 100 kV. Such unwanted surge voltages, the height of which is substantially due to the structure of the
  • Vacuum interrupter such a large stroke, d. H. Distance between the contact surfaces of the corresponding fixed and movable plunger within the vacuum interrupter, to provide that so that the dielectric distances between the contact surfaces of the corresponding plunger are sufficiently large and thus no
  • DE 42 31 353 A1 offers no solution here, as by the removal of material to the
  • Vacuum switch tube operatively connected actuating lever the required
  • the spring has the additional task of initiating the closing force on the actuating lever.
  • the spring acts here in a double function for
  • the contact force of the contact surfaces of the vacuum interrupter is limited to the spring force of the installed spring, it may also come in a short-circuit stress to a brief lifting of the contact surfaces vacuum interrupter and thus to an electrically undefined state within the power transformer.
  • Object of the present invention is therefore to provide a tap changer with vacuum interrupters of the type mentioned above, which has a sufficiently high clamping force of the vacuum interrupter even at short circuit stress, at the same time significantly increased stroke, and also on the resulting material removal over time tolerances significantly reduced the contact system of the vacuum interrupter.
  • the general inventive idea consists in addition to the well-known from the prior art rotatably provided on the drive shaft first cam for the introduction of force of the opening stroke of the contact system of the vacuum interrupter,
  • movable plunger of the vacuum interrupter exerts and also allows a tolerance compensation of the contact system.
  • Main rocker arm having a first leg, on which the first roller is arranged, which at least on a circular sector portion of the end face of the first cam slidges contact-closed.
  • two U-shaped further leg are provided on the rocker arm assembly according to the invention on the opposite side of the first rocker on the main rocker between which a likewise rotatably mounted about the axis lever is arranged, at the free end side of the second roller is attached likewise at least on a circular sector section of the front side of the second cam slid contact-closed, wherein between the lever and one of the other legs, a compression spring is arranged. such that thus a spring-lever system is created, which has a sufficiently high clamping force even at
  • Short circuit stress exerted on the movable plunger of the vacuum interrupter and also allows a tolerance compensation of the contact system.
  • Figure 1 is a schematic representation of a part of an inventive
  • FIG. 1 shows a switching shaft 1, which is driven by a spring energy store, also not shown, and at the two parallel spaced, deviating from the circular shape, cams 2 and 3, namely a first cam 2 and a second
  • Cam 3 are arranged rotationally fixed.
  • the circumferential contours of the two cams 2 and 3 are in the illustrated embodiment substantially star-shaped, but opposite by 180 °, arranged on the shift shaft 1.
  • the number of cams used and their circumferential contouring depends on the switching sequence on which the tap changer is based and the necessary sequence
  • Vacuum interrupters per phase The description of this Figure 1 is therefore to be taken as an example only for understanding the invention. Of course, according to the essence of the invention, several vacuum interrupters per phase could thus be actuated.
  • a typical circuit of a tap changer with a plurality of vacuum interrupters per phase is described by way of example in DE 10 2009 048 813 A1 of the Applicant.
  • actuating lever 19 which is guided mechanically linear in its longitudinal direction, for example by a non-illustrated rail.
  • a compression spring 20 is provided, which is mechanically supported upwardly, whereas the lower side of the actuating lever 19 is in operative connection with the movable plunger 21 of a vacuum interrupter 22.
  • FIG. 1 shows the connected state of the vacuum interrupter 22. Inside the vacuum interrupter 22, therefore, the contact pieces of the movable plunger 21 and the fixed plunger make an electrically conductive connection.
  • the front side of the heart-shaped tip of the cam 3 pushes the lever 13 against the spring force of the compression spring 14 in the direction of the other leg 12 via the roller 5, so that the compression spring 14 is under a certain bias and ultimately a closing force on the
  • Vacuum interrupter 22 exerts. If it comes in the course of operation of the vacuum interrupter 22 to a material removal at the contact surfaces, it is on the bias of
  • Compression spring 14 in cooperation with the further compression spring 20, a tolerance compensation of the rocker arm assembly 6 to the thus changing travel conditions of
  • Vacuum interrupter 22 at a certain distance from the end face of the
  • Shift shaft 1 rotatably connected cams 2 and 3 rotatably moved.
  • the roller 5 comes out of contact with the frontal contour of the corresponding cam 3.
  • the roller 4 comes with the frontal contour of the corresponding cam disc 2 in contact, mechanically rolls along this and moves the rocker arm assembly 6 so that upwards, ie opens the contacts of the vacuum interrupter 22.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Thermally Actuated Switches (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

L'invention concerne un changeur de prises en charge à ampoules à vide (22) selon le préambule de la revendication 1. En plus de la première came (2) logée, selon l'état de la technique, solidaire en rotation sur l'arbre d'entrée (1), une deuxième came (3) est logée, selon l'invention, solidaire en rotation sur l'arbre d'entrée (1) pour l'application de force de la course d'ouverture du système d'ouverture du système de contact de l'ampoule à vide (22), la deuxième came exerçant, au moyen d'un système ressort-levier prévu sur le dispositif de culbuteur (6), une force de fermeture suffisamment élevée, même en cas de sollicitation de court-circuit sur le coulisseau mobile de l'ampoule à vide (22), et permettant en même temps une compensation de tolérances du système de contact.
EP12778704.2A 2011-11-23 2012-10-18 Changeur de prises en charge à ampoules à vide Active EP2783377B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011119318.2A DE102011119318B4 (de) 2011-11-23 2011-11-23 Stufenschalter mit Vakuumschaltröhren
PCT/EP2012/070681 WO2013075893A1 (fr) 2011-11-23 2012-10-18 Changeur de prises en charge à ampoules à vide

Publications (2)

Publication Number Publication Date
EP2783377A1 true EP2783377A1 (fr) 2014-10-01
EP2783377B1 EP2783377B1 (fr) 2015-06-10

Family

ID=47080496

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12778704.2A Active EP2783377B1 (fr) 2011-11-23 2012-10-18 Changeur de prises en charge à ampoules à vide

Country Status (12)

Country Link
US (1) US9257246B2 (fr)
EP (1) EP2783377B1 (fr)
JP (1) JP6120867B2 (fr)
KR (1) KR20140096052A (fr)
CN (1) CN103946940B (fr)
BR (1) BR112014008064A2 (fr)
DE (1) DE102011119318B4 (fr)
ES (1) ES2546855T3 (fr)
IN (1) IN2014CN03806A (fr)
RU (1) RU2602823C2 (fr)
UA (1) UA111635C2 (fr)
WO (1) WO2013075893A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014112764A1 (de) * 2014-09-04 2016-03-10 Maschinenfabrik Reinhausen Gmbh Schaltanordnung für einen Regeltransformator, insbesondere Polungsschalter
DE102014112763A1 (de) * 2014-09-04 2016-03-10 Maschinenfabrik Reinhausen Gmbh Schaltanordnung für einen Regeltransformator, insbesondere Vorwähler
JP6434081B1 (ja) * 2017-05-29 2018-12-05 株式会社ダイヘン 補助駆動装置
JP2019212821A (ja) * 2018-06-06 2019-12-12 株式会社ダイヘン トルク調節装置及びタップ切換装置
EP3761332B8 (fr) * 2019-07-01 2023-12-06 Hitachi Energy Ltd Changeur de prise en charge comprenant une barrière d'isolation
CN110943352B (zh) * 2019-11-14 2020-11-24 贵州电网有限责任公司 一种用于电流短接的接触控制结构
KR102628580B1 (ko) * 2021-02-16 2024-01-23 히타치 에너지 스위처랜드 아게 부하시 탭 절환기용의 스위칭 시스템, 부하시 탭 절환기 및 부하시 탭 절환기의 탭 연결의 스위칭 방법
CN114242535B (zh) * 2021-12-22 2024-06-25 扬州新概念电气有限公司 一种12kv断路器手动分合闸装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2213264C2 (de) * 1972-03-18 1974-03-28 Maschinenfabrik Reinhausen Gebrueder Scheubeck Kg, 8400 Regensburg Lastumschalter für Stufentransformatoren
JPS55132018A (en) * 1979-03-30 1980-10-14 Mitsubishi Electric Corp On-load tap changer
JPS5629316A (en) * 1979-08-20 1981-03-24 Mitsubishi Electric Corp On-load tap changer
DE3919596A1 (de) * 1988-06-15 1989-12-21 Toshiba Kawasaki Kk Lastregelschalter
DE4011019C1 (fr) 1990-04-05 1991-12-05 Maschinenfabrik Reinhausen Gmbh, 8400 Regensburg, De
DE4231353C2 (de) 1991-09-19 1997-07-24 Toshiba Kawasaki Kk Stufenschalter
JP3356446B2 (ja) * 1991-09-19 2002-12-16 株式会社東芝 負荷時タップ切換器
DE19510809C1 (de) * 1995-03-24 1996-07-04 Reinhausen Maschf Scheubeck Lastumschalter eines Stufenschalters
DE19743864C1 (de) * 1997-10-04 1999-04-15 Reinhausen Maschf Scheubeck Stufenschalter
DE19821775C1 (de) * 1998-05-14 1999-10-14 Reinhausen Maschf Scheubeck Lastwähler
JP3776256B2 (ja) * 1999-04-19 2006-05-17 三菱電機株式会社 負荷時タップ切換器用切換開閉器
RU15530U1 (ru) * 2000-05-22 2000-10-20 Закрытое акционерное общество "Телемикс" Приемно-регистрирующий функциональный блок телемеханического контролируемого пункта
FR2906074B1 (fr) * 2006-09-14 2008-12-05 Areva T & D Sa Mecanisme d'interrupteur sectionneur de terre
RU69680U1 (ru) * 2007-07-23 2007-12-27 Федеральное Гоударственное предприятие "Научно-производственное предприятие "Торий" Лампа бегущей волны с магнитной периодической фокусирующей системой
DE102009043171B4 (de) * 2009-09-26 2014-11-20 Maschinenfabrik Reinhausen Gmbh Stufenschalter mit Vakuumschaltröhren
DE202009018524U1 (de) 2009-10-08 2012-01-31 Maschinenfabrik Reinhausen Gmbh Stufenschalter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013075893A1 *

Also Published As

Publication number Publication date
HK1199550A1 (en) 2015-07-03
RU2602823C2 (ru) 2016-11-20
CN103946940A (zh) 2014-07-23
US9257246B2 (en) 2016-02-09
JP2015503230A (ja) 2015-01-29
IN2014CN03806A (fr) 2015-10-16
JP6120867B2 (ja) 2017-04-26
US20140360983A1 (en) 2014-12-11
ES2546855T3 (es) 2015-09-29
UA111635C2 (uk) 2016-05-25
DE102011119318A1 (de) 2013-05-23
WO2013075893A1 (fr) 2013-05-30
CN103946940B (zh) 2016-08-17
DE102011119318B4 (de) 2014-11-27
KR20140096052A (ko) 2014-08-04
EP2783377B1 (fr) 2015-06-10
BR112014008064A2 (pt) 2017-04-11
RU2014125200A (ru) 2015-12-27

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