EP2852960A1 - Anordnung von vakuumschaltröhren bei einem lastumschalter - Google Patents
Anordnung von vakuumschaltröhren bei einem lastumschalterInfo
- Publication number
- EP2852960A1 EP2852960A1 EP13715952.1A EP13715952A EP2852960A1 EP 2852960 A1 EP2852960 A1 EP 2852960A1 EP 13715952 A EP13715952 A EP 13715952A EP 2852960 A1 EP2852960 A1 EP 2852960A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vacuum
- camshaft
- vacuum interrupter
- axis
- interrupters
- 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.)
- Withdrawn
Links
- 239000011159 matrix material Substances 0.000 claims description 8
- 238000004804 winding Methods 0.000 description 10
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- KJFBVJALEQWJBS-XUXIUFHCSA-N maribavir Chemical compound CC(C)NC1=NC2=CC(Cl)=C(Cl)C=C2N1[C@H]1O[C@@H](CO)[C@H](O)[C@@H]1O KJFBVJALEQWJBS-XUXIUFHCSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010407 vacuum cleaning Methods 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
- H01H3/42—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
- H01H9/0038—Tap change devices making use of vacuum switches
Definitions
- the present invention relates to an arrangement of Vakuumschaltschaltröh- ren at a diverter switch.
- a cam control of a control cam and a lever bearing is assigned to actuate a movable contact in each case one of the vacuum interrupters.
- Diverter switch of the type described above are installed in on-load tap-changer and are used for subsequent, rapid and uninterrupted switching from the wired to the new, preselected winding tap.
- the entire on-load tap-changer is actuated by a motor drive during the changeover.
- a rotating drive shaft continuously moves a selector at the same time a power storage of the diverter switch is mounted.
- the selector is used for powerless selection of the respective new winding tap of the transformer to be switched to.
- the diverter switch performs a specific switching sequence, i. H.
- Various switch contacts and resistor contacts are actuated sequentially or overlapping in a specific time sequence.
- 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.
- vacuum interrupters are used as switching elements for load switching. This is due to the fact that the use of vacuum interrupters for load switching prevents arcing in the oil and thus the oil contamination of the oil in the diverter switch.
- the diverter switch carries a drive shaft with at least one cam.
- the cam has a plurality of control cams, wherein two arranged on the cam front control cams have a deviating from a circular contour in the manner of cams on the contact a respective connected via a rocker arm with a vacuum interrupter roller is performed, the profiled contour of the respective control cam taps.
- the invention is based on the object, a space-saving and simple arrangement of vacuum interrupters in a diverter switch, which ensures a fast and customizable load switching.
- the inventive arrangement of vacuum switch tubes in a diverter switch each comprises a cam control comprising a control cam and a lever bearing.
- Each cam control is associated with one of the vacuum interrupters for actuating a movable contact.
- the arrangement according to the invention is characterized in that at least one camshaft is arranged axially parallel to a drive shaft and can be driven by it. In this case, each axis of the movable contact of each vacuum interrupter is arranged perpendicular to an axis of the respective camshaft.
- the at least one camshaft and the drive shaft are arranged such that the drive of the at least one camshaft via a seated at an upper end of the drive shaft spur gear and cooperating with this gear of the at least one camshaft.
- each camshaft has at least one control cam.
- at least one driven camshaft with at least one control cam rotates about its own axis from the drive shaft, namely in such a way that the at least one control cam actuates the lever bearing.
- the lever bearing comprises a compression spring and a lever, such as a toggle switch. Ie. the control cam actuates the lever of the kind that z. B. via a tilting movement of the lever mechanically coupled to him
- Compression spring actuates the movable contact in the opposite direction of a vacuum interrupter (opens).
- the vacuum interrupters are arranged along a line.
- a camshaft has a plurality of control cams, each control cam via a lever bearing actuates a movable contact in each case one of the vacuum interrupters.
- a camshaft can actuate three vacuum interrupters with three control cams.
- the orientation of the control cam on the camshaft can also be designed diversely.
- the same aligned control cam simultaneously and offset on a camshaft aligned control cam offset with the same or different stroke actuate the vacuum interrupters.
- the vacuum interrupters are arranged in the form of a matrix, i. H. at least two camshafts each actuate at least one vacuum interrupter.
- the at least two camshafts preferably have a plurality of control cams, so that a plurality of vacuum interrupters are also arranged along a line in the form of a matrix.
- a further embodiment provides that in each case a first vacuum switching tube and a second vacuum switching tubes are connected to each other such that the two movable contacts of the first vacuum interrupter and the second vacuum interrupter are aligned opposite each other, wherein the axis of the movable contact of the first vacuum interrupter on the axis at least a first camshaft and the axis of the movable contact of the second vacuum interrupter is perpendicular to the axis of at least one second camshaft of the movable contact.
- an embodiment provides that a holding plate is arranged between the first vacuum interrupter and the second vacuum interrupter, to which the first and the vacuum interrupters are connected in a material-locking manner.
- a second embodiment provides that the first vacuum interrupter tube and the second vacuum interrupter tube are connected directly to one another in a materially bonded manner.
- the first vacuum interrupter and holding plate and the second vacuum interrupter are glued together. It is self-evident It is understood that in the invention, any known from the prior art connection can be applied.
- the first vacuum interrupters and the second vacuum interrupters are arranged in the form of a matrix. Furthermore, at least two first camshafts and at least two second camshafts are provided, wherein the axes of the respective camshaft are arranged parallel to a common drive shaft.
- An advantage of the inventive arrangement of vacuum switch tubes in a diverter switch is that a space-saving and simple arrangement is provided at a diverter switch by a matrix arrangement of vacuum interrupters.
- Another advantage of the arrangement according to the invention is that a plurality of vacuum interrupters can be operated simultaneously and / or offset and with the same or different stroke. Thus, a fast and individually adjustable load switching is possible.
- Figure 1 is a perspective view of an embodiment of the inventive arrangement of vacuum interrupters in the form of a matrix in a diverter switch.
- Fig. 2 is a schematic representation of one of three phases of the diverter switch
- Fig. 3 is a circuit diagram of a switching sequence, the four vacuum switching tubes in a respective phase of Figure 2 through.
- FIG. 4 shows the switching sequence of the switching sequence according to FIG. 3;
- FIG. 5 is a perspective view of a cam controller for actuating a movable contact of each vacuum interrupter of Fig. 1;
- Fig. 6 is an enlarged perspective view of a cam follower of the cam controller of Fig. 5;
- FIG. 7 is another perspective view of the cam control of FIGS. 1 and 5;
- FIG. 5 is a perspective view of a cam controller for actuating a movable contact of each vacuum interrupter of Fig. 1;
- Fig. 6 is an enlarged perspective view of a cam follower of the cam controller of Fig. 5;
- FIG. 7 is another perspective view of the cam control of FIGS. 1 and 5;
- Fig. 8 is a schematic representation of a possibility of the arrangement of vacuum interrupters.
- identical reference numerals are used for the same or equivalent elements of the invention.
- only reference symbols are shown in the individual figures, which are required for the description of the respective figure.
- 1 shows a perspective view of a preferred embodiment of the inventive arrangement of twelve vacuum interrupters 3a, 3b in a diverter switch 1.
- the diverter switch 1 part of an on-load tap-changer 29, effects a change-over from the connected winding tap n to the respectively preselected winding tap n + 1.
- the entire on-load tap-changer 29 is actuated by a motor drive during the changeover.
- a rotating drive shaft 1 1 continuously moves a selector 21 at the same time an energy storage 19 of the diverter switch 1 is mounted.
- the selector 21 is used for power to select the respective new winding tap of a transformer 25 to be switched to. If the energy accumulator 19 is fully wound, it is unlatched, releases its energy abruptly and actuates the diverter switch 1 in the ms range via the drive shaft 1 1.
- the diverter switch 1 comprises twelve vacuum interrupters 3a, 3b, wherein in each case a cam control 5, comprising a control cam 7 and a lever bearing 10 (see FIGS. 5, 6 and 7), for actuating a movable contact 13 in each case one of the first and second vacuum interrupters 3a, 3b is associated.
- a cam control 5 comprising a control cam 7 and a lever bearing 10 (see FIGS. 5, 6 and 7), for actuating a movable contact 13 in each case one of the first and second vacuum interrupters 3a, 3b is associated.
- the twelve vacuum interrupters 3a, 3b are arranged in the form of a matrix. Since the diverter switch 1 comprises three phases 37, 38, 39, each of the three phases 37, 38, 39 has four vacuum interrupters 3a, 3b. The four vacuum interrupters 3a, 3b Each phase 37, 38, 39 are divided into two first vacuum switching tubes 3a and two second vacuum interrupters 3b, wherein in each case a first and a second vacuum interrupter 3a, 3b of each phase 37, 38, 39 each form a first load branch 41 and a second load branch 42. This is shown schematically in FIG.
- first load branch 41 there is a second vacuum interrupter 3b acting as the main contact MSV a and a first vacuum interrupter 3a acting as a resistance contact TTV a .
- the second load branch 42 quite analogously has a second vacuum interrupter 3b acting as a main contact MSV and a first vacuum interrupter 3a acting as a resistance contact TTV b .
- Fig. 3 shows a circuit diagram of a switching sequence
- the four vacuum switching tubes 3a, 3b in a respective phase 37, 38, 39 of FIG. 2 go through.
- Fig. 4 shows the switching sequence of the switching sequence in the switching from the winding tapping n to the winding tapping n + 1.
- the starting position, in which the tap is connected, corresponds to the position of the individual switching elements shown in FIG. Switching takes place in the following steps: MSV a opens, TTV b closes, TTV a opens and MSV B closes. Switching is completed.
- the diverter switch 1 thus has six second vacuum interrupters 3b acting as main contact MSV and six first vacuum interrupters 3a acting as a resistance contact TTV. Furthermore, two first camshafts 15a and two second camshafts 15b (in this perspective view, only a second camshaft 15b is visible) are arranged axially parallel to the drive shaft 11 and can be driven by them. In this case, an axis A of each movable contact 13 of each first and second vacuum interrupter 3a, 3b is arranged perpendicular to an axis E of the first and second camshafts 15a, 15b. However, it is also conceivable that further embodiments have fewer than or more than six first and six second vacuum interrupters 3a, 3b and two first and two second camshafts 15a, 15b.
- first vacuum switching tube 3a and the second vacuum switching tubes 3b are connected to one another such that the respective two associated movable contacts 13 of the first vacuum interrupter 3a and the second vacuum interrupter 3b are aligned opposite each other, wherein the axes A of the movable contact 13 of the first vacuum interrupters 3a on the axis E of the two first camshafts 15a and the axes A of the movable contact 13 of the second vacuum interrupters 3b on the axis E of the two second Camshafts 15b of the movable contact 13 are perpendicular.
- each first vacuum interrupter 3a with a second vacuum interrupter 3b, also known as tandem tubes, here a holding plate 27 between the first and second vacuum interrupters 3a, 3b is arranged.
- a material connection such.
- bonding connected to the support plate 27.
- each first and second camshaft 15a, 15b via the drive shaft 1 1 is preferably configured such that according to the embodiment shown here at an upper end of the drive shaft 1 1, a spur gear 23 and at an upper end of the first and second camshafts 15a, 15b each have a gear 17 is arranged, so that each gear 17 of the first and second camshafts 15a, 15b with the spur gear 23 of the drive shaft 1 1 cooperates.
- each of the first and second camshafts 15a, 15b has at least one control cam 7 (see FIG. 5).
- the first and second camshaft 15a, 15b rotates about its own axis E and thus takes the at least one control cam 7 with.
- the at least one control cam 7 thus each actuates a lever bearing 10 (see description of FIG. 5 and FIG. 6).
- first and second vacuum interrupters 3a, 3b in a diverter switch 1 provides further elements, such as overcurrent resistors 31 for the first and second vacuum interrupters 3a, 3b, external support plates 33 for the arrangement of the elements in a diverter switch 1 , Federlagerache 35 for compression springs 12 (see Fig. 6), all of which are self-explanatory, which is why a more detailed description of these elements is omitted here.
- Each cam control of a first vacuum interrupter 3a comprises a lever bearing 10 and a control cam 7.
- each first camshaft 15a has three control cams 7.
- Other embodiments may also provide more or fewer control cams 7 on a camshaft 15a, 15b.
- Each lever bearing 10, shown enlarged in Fig. 6, comprises a compression spring 12 and a toggle switch as a lever 9.
- the rotatable with the first camshaft 15 a control cam 7 actuates the lever 9 of the lever bearing 10, so that a tilting movement of the lever 9 with him mechanically coupled compression spring 12 actuates the movable contact 13 in the direction of the first vacuum interrupter 3a.
- the first vacuum interrupters 3a and the second vacuum interrupter 3b are connected to each other via a holding plate 27.
- the first vacuum interrupters 3a and the second vacuum interrupters 3b are connected to one another in a material-locking manner.
- FIG. 7 shows a further perspective view of the cam control 5 according to FIGS. 1 and 2. All elements are already described in FIGS. 1 and 5.
- Fig. 8 shows a view of four vacuum interrupters 3, which are arranged along a line L.
- a camshaft 15a or 15b (see FIG. 1) has four control cams 7 (see FIG. 5, for example), each control cam 7, via a lever bearing 10 (see FIG. 6), having a movable contact 13 (see also FIG. 1 or 5) each one of the four vacuum interrupters 3 is actuated.
- a camshaft 15a or 15b with four control cam 7 actuate four vacuum interrupters 3.
- the alignment of the control cam 7 on the camshaft 15a or 15b may be diversified.
- the same aligned control cam 7 offset and simultaneously on a camshaft 15a or 15b aligned control cam 7 offset with the same or different stroke the vacuum interrupters 15a or 15b actuate.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Mechanically-Actuated Valves (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012104378.7A DE102012104378B4 (de) | 2012-05-22 | 2012-05-22 | Anordnung von Vakuumschaltröhren bei einem Lastumschalter |
| PCT/EP2013/057276 WO2013174568A1 (de) | 2012-05-22 | 2013-04-08 | Anordnung von vakuumschaltröhren bei einem lastumschalter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2852960A1 true EP2852960A1 (de) | 2015-04-01 |
Family
ID=48092942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP13715952.1A Withdrawn EP2852960A1 (de) | 2012-05-22 | 2013-04-08 | Anordnung von vakuumschaltröhren bei einem lastumschalter |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US9406454B2 (de) |
| EP (1) | EP2852960A1 (de) |
| JP (1) | JP2015525435A (de) |
| KR (1) | KR20150009999A (de) |
| CN (1) | CN104350562B (de) |
| BR (1) | BR112014025703A2 (de) |
| DE (1) | DE102012104378B4 (de) |
| HK (1) | HK1207738A1 (de) |
| RU (1) | RU2014151749A (de) |
| WO (1) | WO2013174568A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013109289B8 (de) * | 2013-08-27 | 2017-12-28 | Maschinenfabrik Reinhausen Gmbh | Laststufenschalter, Stufentransformator zur Spannungsregelung und Verfahren zur Durchführung einer Umschaltung im Stufentransformator |
| DE102016104500B3 (de) * | 2016-03-11 | 2017-05-04 | Maschinenfabrik Reinhausen Gmbh | Laststufenschalter |
| DE102016104499B3 (de) * | 2016-03-11 | 2017-04-27 | Maschinenfabrik Reinhausen Gmbh | Wähler für einen Laststufenschalter und Laststufenschalter mit Lastumschalter und Wähler |
| CN105826062B (zh) * | 2016-05-26 | 2018-01-23 | 北京博瑞莱智能科技集团有限公司 | 一种有载调容调压开关装置及系统 |
| CN106847609A (zh) * | 2017-02-10 | 2017-06-13 | 山东民生电气设备有限公司 | 一种用于有载调压开关的小型化切换开关组件 |
| DE102019130460B4 (de) * | 2019-11-12 | 2026-05-07 | Maschinenfabrik Reinhausen Gmbh | Laststufenschalter |
| DE102019130457B3 (de) * | 2019-11-12 | 2021-02-04 | Maschinenfabrik Reinhausen Gmbh | Laststufenschalter |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1917692B2 (de) * | 1969-04-05 | 1972-02-10 | Siemens AG, 1000 Berlin u 8000 München | Lastumschalter fuer stufentransformatoren oder stufendrossel spulen mit vier vakuumschaltern |
| EP0385265B1 (de) * | 1989-03-03 | 1994-10-12 | GEC Alsthom T&D AG | Federkraftantrieb für einen Leistungsschalter |
| 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 |
| JP3387238B2 (ja) * | 1993-12-07 | 2003-03-17 | 富士電機株式会社 | 真空バルブ式負荷時タップ切換え器用切換え開閉器 |
| DE19743864C1 (de) * | 1997-10-04 | 1999-04-15 | Reinhausen Maschf Scheubeck | Stufenschalter |
| DE102009043171B4 (de) | 2009-09-26 | 2014-11-20 | Maschinenfabrik Reinhausen Gmbh | Stufenschalter mit Vakuumschaltröhren |
-
2012
- 2012-05-22 DE DE102012104378.7A patent/DE102012104378B4/de not_active Expired - Fee Related
-
2013
- 2013-04-08 BR BR112014025703A patent/BR112014025703A2/pt not_active IP Right Cessation
- 2013-04-08 WO PCT/EP2013/057276 patent/WO2013174568A1/de not_active Ceased
- 2013-04-08 CN CN201380026572.0A patent/CN104350562B/zh not_active Expired - Fee Related
- 2013-04-08 JP JP2015513058A patent/JP2015525435A/ja active Pending
- 2013-04-08 EP EP13715952.1A patent/EP2852960A1/de not_active Withdrawn
- 2013-04-08 US US14/389,099 patent/US9406454B2/en not_active Expired - Fee Related
- 2013-04-08 RU RU2014151749A patent/RU2014151749A/ru not_active Application Discontinuation
- 2013-04-08 HK HK15108186.0A patent/HK1207738A1/xx unknown
- 2013-04-08 KR KR20147035508A patent/KR20150009999A/ko not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US9406454B2 (en) | 2016-08-02 |
| CN104350562A (zh) | 2015-02-11 |
| WO2013174568A1 (de) | 2013-11-28 |
| DE102012104378A1 (de) | 2013-11-28 |
| JP2015525435A (ja) | 2015-09-03 |
| BR112014025703A2 (pt) | 2017-07-04 |
| KR20150009999A (ko) | 2015-01-27 |
| HK1207738A1 (en) | 2016-02-05 |
| DE102012104378B4 (de) | 2015-09-17 |
| CN104350562B (zh) | 2016-11-16 |
| US20150068877A1 (en) | 2015-03-12 |
| RU2014151749A (ru) | 2016-07-20 |
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