EP2783377B1 - Stufenschalter mit vakuumschaltröhren - Google Patents

Stufenschalter mit vakuumschaltröhren Download PDF

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Publication number
EP2783377B1
EP2783377B1 EP12778704.2A EP12778704A EP2783377B1 EP 2783377 B1 EP2783377 B1 EP 2783377B1 EP 12778704 A EP12778704 A EP 12778704A EP 2783377 B1 EP2783377 B1 EP 2783377B1
Authority
EP
European Patent Office
Prior art keywords
vacuum switching
tap changer
switching tubes
cam
vacuum
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
EP12778704.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2783377A1 (de
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/de
Application granted granted Critical
Publication of EP2783377B1 publication Critical patent/EP2783377B1/de
Active 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
    • 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
    • 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
    • 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
    • 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 powerless selection of the respective winding tap of the tapped transformer to be switched to, and a diverter switch for actual switching from the wired to the new, preselected winding tap.
  • 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 switching contacts and resistor contacts. The switch contacts are used for 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 switching resistors.
  • Such a diverter switch a tap changer, the vacuum interrupters used for uninterrupted switching, is from the DE 195 10 809 C1 known.
  • cam disks are provided for each switching element to be actuated and each direction of movement of the drive shaft.
  • the respective end faces of the individual cam disks have a defined contour deviating from the circular shape, by means of which individual vacuum interrupters or even mechanical contacts are actuated upon rotation of the control shaft.
  • actuation of the individual vacuum interrupters takes place by means of a shaft which can be rotated in both directions and which is rapidly rotated after the triggering of an energy accumulator.
  • a cam is fixedly arranged for actuating the vacuum interrupters on the shift shaft, which has on its front side for each vacuum interrupter a control cam in which a positively locked roller is positively acting, which acts on the actuating lever of the associated vacuum interrupter.
  • the cam is realized here in the form of a horizontally deviating from the circular contour circumferential groove, engages the form-fitting the respective role.
  • 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, according to the invention provide a second rotatably mounted on the drive shaft cam, which has a on the Kipphebelan Aunt provided spring lever system exerts a sufficiently high closing force even with short-circuit stress on the movable plunger of the vacuum interrupter and also allows tolerance compensation of the contact system.
  • the rocker arm assembly has an elongate main rocker arm with a first leg, on which the first roller is arranged, which at least on a circular sector portion of the front side of the first cam plate rolls along a contact.
  • two U-shaped further legs 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 its free end side, the second roller is attached likewise at least on a circular sector section of the front side of the along a second cam plate, wherein between the lever and one of the other legs, a compression spring is arranged such that a spring-lever system is provided which exerts a sufficiently high closing force even with short-circuit stress on the movable plunger of the vacuum interrupter and also a Tolerance compensation of the contact system allows.
  • FIG. 1 shows a shift 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 Kipphebelan eleven 6 is pivotally mounted about an axis 7 and disposed within the load changeover switch, not shown here. Furthermore, the Kipphebelan effet 6 consists of a main rocker arm 8, which has on the drive shaft 1 side facing an opening 9, in which the axis 7 can be rotatably received. From the opening 9 vertically downwards, that is substantially parallel to the drive shaft 1, a first leg 10 branches off from the main rocker arm 8, at the free end face of which the first roller 4 is arranged rotatably mounted.
  • two further legs 11 and 12 branch off from the main rocker arm 8, forming a substantially U-shaped structure.
  • a vertical extension of the first leg 10 is provided between the two further gifts 11 and 12, a likewise rotatable about the axis 7 lever 13, at its free end side, the second roller 5 is arranged rotatably mounted.
  • a compression spring 14 is disposed between the third leg 12 and the lever 13.
  • laterally opposite pins 15 and 16 are provided, of which in the illustrated perspective, however, only the bolt 15 is visible.
  • the bolts 15 and 16 engage in corresponding elongated holes 17 and 18 of a vertically, ie substantially parallel to the drive shaft 1, arranged actuating lever 19, which is guided mechanically linear in its longitudinal direction, for example by a rail, not shown.
  • actuating lever 19 At the upper end side of the actuating lever 19, 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 the connected state of the vacuum interrupter 22 is shown. 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 so that the compression spring 14 is under a certain bias and ultimately a closing force on the base support 8 and the Operating lever 19 on the movable plunger 21 of the vacuum interrupter 22 exerts.
  • the role 4 is in the switched state of the vacuum interrupter 22 at a certain distance from the end face of the corresponding cam 2.
  • a switching operation ie initiated by means of the energy storage on the shift shaft 1 rotational movement, the rotatably connected to the shift shaft 1 cams 2 and 3 rotatory moves.
  • the roller 5 has unrolled contactlessly over the tip of the heart-shaped cam 3, 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 up, ie opens the contacts of the vacuum interrupter 22nd

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Thermally Actuated Switches (AREA)
EP12778704.2A 2011-11-23 2012-10-18 Stufenschalter mit vakuumschaltröhren Active EP2783377B1 (de)

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 (de) 2011-11-23 2012-10-18 Stufenschalter mit vakuumschaltröhren

Publications (2)

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

Family

ID=47080496

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12778704.2A Active EP2783377B1 (de) 2011-11-23 2012-10-18 Stufenschalter mit vakuumschaltröhren

Country Status (12)

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

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 (en) * 2019-07-01 2023-12-06 Hitachi Energy Ltd An on-load tap changer including an insulation barrier
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
CN116325051B (zh) 2021-02-16 2024-06-04 日立能源有限公司 用于有载抽头变换器的切换系统、有载抽头变换器以及用于切换有载抽头变换器的抽头连接的方法
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
DE3943514C2 (enExample) * 1988-06-15 1992-02-06 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa, Jp
DE4011019C1 (enExample) * 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

Also Published As

Publication number Publication date
WO2013075893A1 (de) 2013-05-30
EP2783377A1 (de) 2014-10-01
JP2015503230A (ja) 2015-01-29
RU2602823C2 (ru) 2016-11-20
DE102011119318A1 (de) 2013-05-23
HK1199550A1 (en) 2015-07-03
US20140360983A1 (en) 2014-12-11
CN103946940B (zh) 2016-08-17
JP6120867B2 (ja) 2017-04-26
KR20140096052A (ko) 2014-08-04
RU2014125200A (ru) 2015-12-27
DE102011119318B4 (de) 2014-11-27
IN2014CN03806A (enExample) 2015-10-16
UA111635C2 (uk) 2016-05-25
ES2546855T3 (es) 2015-09-29
US9257246B2 (en) 2016-02-09
CN103946940A (zh) 2014-07-23
BR112014008064A2 (pt) 2017-04-11

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