EP4197017B1 - Module de commutation et changeur de prise en charge avec module de commutation - Google Patents

Module de commutation et changeur de prise en charge avec module de commutation

Info

Publication number
EP4197017B1
EP4197017B1 EP21748588.7A EP21748588A EP4197017B1 EP 4197017 B1 EP4197017 B1 EP 4197017B1 EP 21748588 A EP21748588 A EP 21748588A EP 4197017 B1 EP4197017 B1 EP 4197017B1
Authority
EP
European Patent Office
Prior art keywords
contact
load tap
switching module
fixed
bridge
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
EP21748588.7A
Other languages
German (de)
English (en)
Other versions
EP4197017A1 (fr
EP4197017C0 (fr
Inventor
Robert Hiltner
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
Priority to HRP20251491TT priority Critical patent/HRP20251491T1/hr
Publication of EP4197017A1 publication Critical patent/EP4197017A1/fr
Application granted granted Critical
Publication of EP4197017B1 publication Critical patent/EP4197017B1/fr
Publication of EP4197017C0 publication Critical patent/EP4197017C0/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
    • 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
    • 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
    • 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
    • H01H33/6661—Combination with other type of switch, e.g. for load break switches
    • 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
    • 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
    • H01H9/0044—Casings; Mountings; Disposition in transformer housing

Definitions

  • the invention relates to a switching module and a load changeover switch with a switching module.
  • On-load tap-changers are known from the prior art and usually consist of a diverter switch and a selector.
  • the diverter switch with its vacuum interrupters and switching resistors, is housed in a cylindrical container.
  • the selector is constructed from a plurality of bars arranged in a circle. Contacts are arranged at different levels on these bars, which serve as connections for a regulating winding. Within the selector, two selector arms are attached to a switch column. These arms contact the contacts on the bars.
  • the diverter switch and selector are connected to each other via a gear.
  • the publication DE 20 2012 101477 U1 discloses a switching module for on-load tap-changers, which corresponds to the preamble of claim 1. Another switching module is known from the document DE 198 47 745 C1 known.
  • the diverter switch is designed with the vacuum interrupters arranged in a circle and horizontally aligned on a first level.
  • a cam contour is mounted in the center, between the vacuum interrupters, whose rotation actuates the vacuum interrupters.
  • Additional switching contacts of the diverter switch are arranged on a second level below the vacuum interrupters.
  • the vacuum interrupters and switching contacts are arranged relatively far apart and do not form a structural unit. Wiring is implemented using long cables, sliding contacts, and rails.
  • the object of the invention is therefore to create a switching module for on-load tap-changers that is simple and compact in design while still ensuring reliable operation. This object is achieved with a switching module according to claim 1.
  • the features of the subclaims constitute advantageous developments of the invention.
  • Another object of the invention is to provide an on-load tap-changer with a switching module which is simple and compact in design.
  • the vacuum interrupter is arranged in close proximity to the bridge switch, in particular one behind the other and separated by a plate, maximum use is made of available space.
  • the fixed contacts and in particular their free ends, are part of the bridge switch.
  • the fixed contacts thus have two functions: current carrying and contact making.
  • the plate not only holds all parts of the switching element but also serves as an insulating medium between the potentials of the fixed contacts.
  • the vacuum interrupter and the bridge switch are preferably arranged one behind the other with their axes parallel.
  • the plate can be designed in any way and can be made of, for example, plastic, fiberglass, or another electrically insulating plastic.
  • the bridge switch can be designed in any way, for example, as a rotary switch, slide switch, or toggle switch.
  • first fixed contact and the second fixed contact are each formed from one or two electrically conductive wires or conductive copper pieces.
  • Each wire or copper piece can be designed as a single piece or in multiple pieces.
  • the free ends of the fixed contacts can be arranged on the second side such that they are adjacent to the vacuum interrupter behind it.
  • the first fixed contact is placed in the first third of the vacuum interrupter, and the second fixed contact is placed in the first, opposite third of the vacuum interrupter.
  • the contact blade can be designed in any way and, for example, consist of several self-sprung sheets or several spring-loaded contacts. Multiple contact blades can be provided.
  • the invention proposes an on-load tap-changer with a switching module, wherein a selector and a preselector are arranged on the plate of the switching module.
  • This on-load tap-changer is also particularly compact due to its particularly compact switching module and takes up little installation space, which results in a reduction in manufacturing costs and a saving in material.
  • a switching resistor or a connecting piece to a choke is arranged on the plate.
  • the on-load tap-changer can be designed in any way as required and can be designed, for example, as a resistance tap-changer or reactor tap-changer.
  • FIG. 1 shows a switching module 1 according to the invention for an on-load tap-changer 2.
  • the switching module 1 has a plate 3 made of a plastic, glass-fiber-reinforced plastic, or another electrically insulating material.
  • a vacuum interrupter 10 is attached to a first side 3.1 of the plate 3.
  • the vacuum interrupter 10 has a first contact 11 and a second contact 15.
  • the first contact 11 is designed as a movable contact, and the second contact 15 as a fixed contact.
  • the first contact 11 is movably mounted in a bearing block 30.
  • the bearing block 30 is mechanically connected to the plate 3.
  • a rocker arm 31 is fastened to the bearing block 30. A first end of the rocker arm 31 is mechanically connected to the first contact 11.
  • the second end of the rocker arm 31, which is opposite the first end, has a roller 34.
  • a cam disc 32 which is attached to a drive shaft 33, acts upon the roller 34 of the rocker arm 31 when rotating, resulting in a movement of the first contact 11. This opens or closes the vacuum interrupter 10.
  • the bearing block 30 serves as a guide for the first contact 11 and as a bearing for the rocker arm 31.
  • the cam disc 32 is arranged on a second side 3.2 of the plate 3.
  • a first fixed contact 12 is mechanically and electrically connected to the first contact 11.
  • this is designed in two parts and consists of two bent, conductive wires.
  • the first fixed contact 12 is electrically connected to the first contact 11 at its ends, and its free ends 12.1, 12.2 protrude on the second side 3.2 of the plate 3.
  • the two conductive wires of the first fixed contact 12 run laterally along the vacuum interrupter 10. In the first third of the vacuum interrupter, the wires bend and extend from the first side 3.1 of the plate 3 to the second side 3.2.
  • a second fixed contact 16 is also electrically connected to the second contact 15 of the vacuum interrupter 10.
  • the second fixed contact 16 also consists of two conductive wires, the ends of which are mechanically and electrically connected to the second contact 15, and the free ends 16.1, 16.2 protrude on the second side 3.2 of the plate 3 next to the vacuum interrupter 10.
  • the electrical connection between the second contact 15 and the second fixed contact 16, in particular the two conductive wires, can be done directly or by means of a conductive bridge 19.
  • the first contact 11 is also electrically connected to a selector arm or a choke of the on-load tap-changer 2.
  • the second contact 15 is electrically connected to a transfer resistor or a choke of the on-load tap-changer 2.
  • the fixed contacts 12, 16 are inserted through the plate 3 during assembly or are overmolded using the injection molding process.
  • FIG. 2 shows the second side 3.2 of plate 3 of the switching module 1.
  • the vacuum interrupter 10 is arranged directly behind the bridge switch with a movable bridge contact 20.
  • the movable bridge contact 20 of the bridge switch 40 is arranged between the free ends 12.1, 12.2, 16.1, 16.2 of the projecting fixed contacts 12, 16.
  • the movable bridge contact 20 has a first and a second contact blade 21, 22, which are arranged in a bearing manner on a housing 26.
  • the contact blades 21, 22 contact only the free ends 12.1, 12.2 of the first fixed contact 12 in a first position A, the free ends 12.1, 12.2, 16.1, 16.2 of the first and second fixed contacts 12, 16 in a second position B, and the free ends 16.1, 16.2 of the second fixed contact 16 in a third position C.
  • the three positions A, B, C are traversed by a linear movement of the movable bridge contact 20.
  • a connecting rod 23 generates the linear movement by means of a first and a second gear wheel 24, 25 via the drive shaft 33.
  • the contact blades 21, 22 are spring-mounted and electrically connected to a load discharge line 35.
  • the combination of the free ends 12.1, 12.2, 16.1, 16.2 of the fixed contacts 12, 16, the movable bridge contact 20 with the housing 26 and the contact blades 21, 22 forms the bridge switch 40.
  • the movable bridge contact 20 of the bridge switch 40 is located directly behind the vacuum interrupter 10, or the vacuum interrupter 10 is located directly behind the movable bridge contact 20 of the bridge switch 40.
  • the central axis 13 of the vacuum interrupter 10 is parallel to the central axis 18 of the movable bridge contact 20.
  • FIG. 4 shows an on-load tap-changer 2 with three switching modules 1. These are each mounted on a plate 3 of a switching module 1. Furthermore, on each plate 3, in addition to a Switching module 1 also contains a selector, a preselector, and a switching resistor. The drive is provided by a motor that actuates the drive shaft 33.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Housings And Mounting Of Transformers (AREA)

Claims (8)

  1. Module de commutation (1) pour changeur de prises en charge (2), comprenant :
    - une plaque (3) ayant une première face (3.1) et une deuxième face (3.2) opposée à la première face (3.1),
    - un tube interrupteur à vide (10) avec un premier contact (11) et un deuxième contact (15), caractérisé par
    - un interrupteur en pont (40) avec un contact en pont mobile (20),
    où :
    - le premier contact (11) comporte un premier contact fixe (12) et le deuxième contact (15) comporte un deuxième contact fixe (16),
    - le premier contact fixe (12) et le deuxième contact fixe (16) sont conçus de telle sorte qu'ils s'étendent du premier côté (3.1) au deuxième côté (3.2) à travers la plaque (3),
    - le contact de pontage mobile (20) peut être déplacé dans au moins trois positions (A, B, C),
    - le contact en pont (20) entre en contact avec au moins une extrémité libre (12.1, 12.2) du premier contact fixe (12) et au moins une extrémité libre (16.1, 16.2) du deuxième contact fixe (16), respectivement individuellement ou simultanément, et les relie à une dérivation de charge (35),
    - le tube interrupteur à vide (10) est disposé sur le premier côté (3.1) et l'interrupteur en pont (40) est disposé directement derrière le tube interrupteur à vide (10) sur le deuxième côté (3.2).
  2. Module de commutation (1) pour changeur de prises en charge (2) selon la revendication 1, dans lequel
    - le premier contact fixe (12) et le deuxième contact fixe (16) sont formés chacun de deux fils électriquement conducteurs,
    - les extrémités fixes des contacts fixes (12, 16) sont reliées mécaniquement et électriquement au premier contact (11) et au deuxième contact (15),
    - les extrémités libres (12.1, 12.2, 16.1, 16.2) des contacts fixes (12, 16) sont disposées sur le deuxième côté (3.2) de telle sorte qu'elles entourent le tube interrupteur à vide (10).
  3. Module de commutation (1) pour changeur de prises en charge (2) selon les revendications 1 à 2, dans lequel
    - le contact en pont (20) présente un boîtier (26) avec au moins une lamelle de contact (21, 22),
    - la au moins une lamelle de contact (21, 22) est reliée de manière électriquement conductrice à la dérivation de charge (35).
  4. Module de commutation (1) pour changeur de prises en charge (2) selon les revendications 1 à 3, dans lequel
    - le contact en pont (20) avec le boîtier (26) et les lamelles de contact (21, 22) et les extrémités libres (12.1, 12.2, 16.1, 16.2) des contacts fixes (12, 16) forment le commutateur en pont (40).
  5. Module de commutation (1) pour changeur de prises en charge (2) selon les revendications 1 à 4, dans lequel
    - il est prévu un support de palier (30) qui sert de guidage pour le premier contact (11) et de palier pour un levier basculant (31).
  6. Module de commutation (1) pour changeur de prises en charge (2) selon les revendications 1 à 5, dans lequel
    - le tube interrupteur à vide (10) et le commutateur en pont (40) sont actionnés par un arbre d'entraînement commun (33).
  7. Changeur de prises en charge (2) avec un module de commutation (1) selon les revendications 1 à 6, dans lequel
    - un sélecteur et un présélecteur sont disposés sur la plaque (3).
  8. Changeur de prises en charge (2) selon la revendication 7, dans lequel
    - une résistance de passage ou une pièce de connexion à une bobine est disposée sur la plaque (3).
EP21748588.7A 2020-08-27 2021-07-21 Module de commutation et changeur de prise en charge avec module de commutation Active EP4197017B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HRP20251491TT HRP20251491T1 (hr) 2020-08-27 2021-07-21 Modul za preklapanje i prekidač s promjenjivim stupnjem opterećenja s modulom za preklapanje

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020122450.8A DE102020122450A1 (de) 2020-08-27 2020-08-27 Schaltmodul und Laststufenschalter mit Schaltmodul
PCT/EP2021/070379 WO2022042953A1 (fr) 2020-08-27 2021-07-21 Module de commutation et changeur de prises en charge comprenant un module de commutation

Publications (3)

Publication Number Publication Date
EP4197017A1 EP4197017A1 (fr) 2023-06-21
EP4197017B1 true EP4197017B1 (fr) 2025-09-03
EP4197017C0 EP4197017C0 (fr) 2025-09-03

Family

ID=77126824

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21748588.7A Active EP4197017B1 (fr) 2020-08-27 2021-07-21 Module de commutation et changeur de prise en charge avec module de commutation

Country Status (8)

Country Link
US (1) US12300455B2 (fr)
EP (1) EP4197017B1 (fr)
KR (1) KR20230054693A (fr)
CN (1) CN115917692A (fr)
DE (1) DE102020122450A1 (fr)
HR (1) HRP20251491T1 (fr)
MX (1) MX2023002299A (fr)
WO (1) WO2022042953A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114838923B (zh) * 2022-04-08 2023-07-04 华中科技大学 有载分接开关的故障诊断模型建立方法及故障诊断方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061963A (en) * 1976-04-27 1977-12-06 Westinghouse Electric Corporation Load tap changer system
US5191179A (en) * 1989-11-09 1993-03-02 Cooper Power Systems, Inc. Tap selector anti-arcing system
US5594223A (en) * 1993-12-07 1997-01-14 Fuji Electric Co., Ltd. Vacuum switch bulb type change over switch for on-load tap changer
DE19743864C1 (de) 1997-10-04 1999-04-15 Reinhausen Maschf Scheubeck Stufenschalter
DE19847745C1 (de) 1998-10-16 2000-01-05 Reinhausen Maschf Scheubeck Stufenschalter
CN103548106B (zh) * 2011-03-25 2017-02-08 Abb技术有限公司 具有改进的真空断续器致动组件的分接头变换器
DE102012103489B4 (de) * 2012-04-20 2015-11-12 Maschinenfabrik Reinhausen Gmbh Laststufenschalter und dessen Verwendung zur Spannungsregelung in einem Verteiltransformator
DE202012101477U1 (de) 2012-04-20 2013-07-23 Maschinenfabrik Reinhausen Gmbh Laststufenschalter
DE102013107552B4 (de) * 2013-07-16 2017-03-16 Maschinenfabrik Reinhausen Gmbh Laststufenschalter
DE102013107550B4 (de) * 2013-07-16 2017-05-04 Maschinenfabrik Reinhausen Gmbh Lastwähler
DE102014112763A1 (de) * 2014-09-04 2016-03-10 Maschinenfabrik Reinhausen Gmbh Schaltanordnung für einen Regeltransformator, insbesondere Vorwähler
DE102016117526B3 (de) 2016-09-16 2018-02-15 Maschinenfabrik Reinhausen Gmbh Lasststufenschalter, Regeltransformator mit Laststufenschalter und Verfahren zum Schalten eines Laststufenschalters
DE102018112013A1 (de) * 2018-05-18 2019-11-21 Maschinenfabrik Reinhausen Gmbh Kontaktsystem für einen laststufenschalter
CN110098081B (zh) 2019-05-28 2024-12-31 浙江腾龙电器有限公司 一种有载调压开关

Also Published As

Publication number Publication date
DE102020122450A1 (de) 2022-03-03
US20230298829A1 (en) 2023-09-21
MX2023002299A (es) 2023-03-17
EP4197017A1 (fr) 2023-06-21
WO2022042953A1 (fr) 2022-03-03
HRP20251491T1 (hr) 2026-01-16
EP4197017C0 (fr) 2025-09-03
US12300455B2 (en) 2025-05-13
CN115917692A (zh) 2023-04-04
KR20230054693A (ko) 2023-04-25

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