EP2686856A1 - Laststufenschalter - Google Patents
LaststufenschalterInfo
- Publication number
- EP2686856A1 EP2686856A1 EP12702545.0A EP12702545A EP2686856A1 EP 2686856 A1 EP2686856 A1 EP 2686856A1 EP 12702545 A EP12702545 A EP 12702545A EP 2686856 A1 EP2686856 A1 EP 2686856A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stop
- energy storage
- diverter switch
- tap
- load
- 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
Links
- 238000004804 winding Methods 0.000 claims abstract description 14
- 230000001960 triggered effect Effects 0.000 claims abstract description 8
- 238000004146 energy storage Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
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 the uninterrupted Umschaitung between different winding taps of a
- Stepped transformer under load The tap changer of the type mentioned have a separate selector for powerless preselection of the winding tap to be switched to, and a diverter switch for the actual Umschaitung from the previous to the preselected new winding tap. Since this Umschaitung takes place abruptly, possess such
- On-load tap-changer an energy storage.
- 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, because under the force of
- Power storage is thus realized an alternating toggling between two positions.
- the storage spring of a drive can be tensioned.
- 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.
- WO2006 / 004527 A1 relates to 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 by a special mechanical transmission, independently of the drive direction of the drive shaft.
- the object of the invention is a tap changer of the type mentioned with a
- the force accumulator according to the invention should be simple in construction, can dispense with complex mechanical means for movement reversal and can be operated directly through the - even with several successive circuits running - any direction of rotation of the drive shaft. It is true that WO2007 / 095978 A1 already discloses a force accumulator which can be tensioned directly by a drive shaft rotating in any direction and following this rotational movement after triggering. However, this known energy storage is only suitable for one
- On-load tap-changer of the load selector type in which the preselection of the winding tap and actual load changeover are structurally combined. He is not suitable for an on-load tap-changer of the type mentioned above with separate selector and diverter switch. This particular not because in the known power storage results in a fixed trigger angle, which corresponds to the distance between adjacent - each connectable - Last Strukturlertitleen in the oil vessel.
- 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 direction or unification.
- FIG. 3 shows this on-load tap-changer with continued actuation, d. H. Elevator of the
- FIG. 4 shows this on-load tap-changer with completely tensioned energy accumulator at the time of its release
- FIG. 5 shows this on-load tap after the release of the energy storage and thus
- Figure 6 shows an on-load tap-changer according to the invention in a schematic, complete
- Figure 8 shows the operating sequence of an on-load tap changer according to the invention in a subsequent load switching from n + 1 back to n in the arrow direction.
- FIG. 1 the drive of an on-load tap changer according to the invention is shown schematically. It has a drive shaft 1, which is actuated by a drive, not shown here. On the drive shaft 1 is a gear 2, which cooperates with a further gear 3, the bearing is not shown. On the gear 3 there is a stop 4. This stop 4 corresponds to a further stop 5a, which is arranged on an intermediate shaft 6, which is located centrally within the gear 3 and independently of this rotatable. At the stop 5a a bolt 5 is arranged, which in turn with an actuating rod 7 of a
- Power accumulator 8 is connected; 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 is connected to a Geneva wheel 14th
- the Geneva wheel 14 in turn is connected to an only indicated diverter switch drive 15, which in turn operates the diverter switch, not shown here.
- the illustrated Maltese transmission is only one possible embodiment of a possible step transmission in the context 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 actuation.
- 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.
- Figure 2 shows this on-load tap-changer with continued rotation of the drive shaft 1. Now hits the stopper 4 on the stop 5a of the intermediate shaft 6, rotates this and simultaneously pulls the
- FIG. 3 shows the on-load tap-changer according to the invention in the case of the further lift of the energy accumulator 8.
- the stop 10 now strikes the counter-stop 11, the driven wheel 12 begins to rotate.
- Figure 4 shows the position of the complete 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 energy storage 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, as a consequence, the deflected force accumulator 8, the output gear 12 rotates rapidly.
- the roller 13 engages in the Geneva wheel 14 and rotates it.
- the diverter switch drive 15 is rotated, which in turn the diverter switch, d. H. the contacts, jumped actuated.
- the drive shaft 1 continues to rotate by a certain angle. Should for some reason, about by breaking the
- Undefined intermediate state can persist.
- 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 stop 4 shown in Figures 1 to 5 and the
- the force accumulator 8 acts on a further freewheel 17, which consists of the stop 10 shown in Figures 1 to 5 and the corresponding counter-stop 11.
- This freewheel 17 is a delayed intervention in the Maltese 14, by the roller 13 shown in Figures 1 to 5.
- the diverter switch drive 15 for actuating the diverter switch 18 thus rotates in the same direction as the drive shaft. 1
- FIG. 7 shows a switching sequence of an on-load tap-changer according to the invention. In the upper part, the sequence when switching from one winding tap n to an adjacent new winding tap n + 1 is shown. It can be seen that at the beginning of a switching operation, 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. After this process is completed and the selector 20 has reached its new position, the diverter switch 18 is suddenly activated - this is done by the triggered energy storage.
- Figure 8 shows a switching sequence in the opposite direction of rotation of the drive shaft, d. H. from the tapping n + 1 back to the tapping n.
- the corresponding directions of movement of the drive shaft 1 are symbolized in Figures 7 and 8 respectively by an arrow.
- the invention allows in a simple manner that the separate diverter switch is actuated both several times in succession in the same direction of rotation of the drive shaft as well as alternatively in direction of rotation reversal of the drive shaft in a simple manner.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
Description
Claims
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 (de) | 2011-03-12 | 2012-02-06 | Laststufenschalter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2686856A1 true EP2686856A1 (de) | 2014-01-22 |
EP2686856B1 EP2686856B1 (de) | 2015-04-08 |
Family
ID=45563048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12702545.0A Active EP2686856B1 (de) | 2011-03-12 | 2012-02-06 | Laststufenschalter |
Country Status (7)
Country | Link |
---|---|
US (1) | US9251971B2 (de) |
EP (1) | EP2686856B1 (de) |
CN (1) | CN103430267B (de) |
DE (1) | DE102011013749B4 (de) |
HK (1) | HK1189421A1 (de) |
UA (1) | UA110959C2 (de) |
WO (1) | WO2012123187A1 (de) |
Families Citing this family (16)
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 (de) * | 2019-07-01 | 2023-08-30 | Hitachi Energy Switzerland AG | Antriebsanordnung für einen stufenschalter |
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 (de) | 2020-10-21 | 2023-06-28 | Hitachi Energy Switzerland AG | Schaltsystem für einen laststufenschalter, laststufenschalter und verfahren zum schalten einer stufenverbindung eines laststufenschalters |
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 (zh) * | 2021-03-01 | 2022-09-09 | 北京航天控制仪器研究所 | 用于有载分接开关蓄能器的全程助推装置、蓄能器以及有载分接开关 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH347244A (de) * | 1956-03-29 | 1960-06-30 | Smit & Willem & Co Nv | Umschalter |
NL6813678A (de) * | 1968-09-25 | 1970-03-31 | ||
DE1956369B2 (de) * | 1969-11-08 | 1971-10-21 | Kraftspeicher fuer lastumschalter von stufenschaltern fuer regeltransformatoren | |
SE357279B (de) * | 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 |
-
2011
- 2011-03-12 DE DE102011013749.1A patent/DE102011013749B4/de not_active Expired - Fee Related
-
2012
- 2012-02-06 US US14/001,064 patent/US9251971B2/en active Active
- 2012-02-06 CN CN201280012957.7A patent/CN103430267B/zh active Active
- 2012-02-06 EP EP12702545.0A patent/EP2686856B1/de active Active
- 2012-02-06 WO PCT/EP2012/051963 patent/WO2012123187A1/de active Application Filing
- 2012-06-02 UA UAA201310912A patent/UA110959C2/uk unknown
-
2014
- 2014-03-07 HK HK14102306.9A patent/HK1189421A1/xx unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2012123187A1 * |
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 |
EP2686856B1 (de) | 2015-04-08 |
UA110959C2 (uk) | 2016-03-10 |
WO2012123187A1 (de) | 2012-09-20 |
DE102011013749A1 (de) | 2012-09-13 |
US20130341166A1 (en) | 2013-12-26 |
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