EP2617048A1 - Stufenschalter und vakuumschaltröhre für einen solchen stufenschalter - Google Patents
Stufenschalter und vakuumschaltröhre für einen solchen stufenschalterInfo
- Publication number
- EP2617048A1 EP2617048A1 EP11754298.5A EP11754298A EP2617048A1 EP 2617048 A1 EP2617048 A1 EP 2617048A1 EP 11754298 A EP11754298 A EP 11754298A EP 2617048 A1 EP2617048 A1 EP 2617048A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- vacuum
- switching
- vacuum interrupter
- 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
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
- H01H9/0038—Tap change devices making use of vacuum switches
-
- 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
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/16—Impedances connected with contacts
-
- 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
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- 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
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
- H01H33/6647—Contacts; Arc-extinguishing means, e.g. arcing rings having fixed middle contact and two movable contacts
-
- 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
-
- 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
Definitions
- the invention relates to a tap changer with vacuum interrupters for uninterrupted
- the invention further relates to a particularly suitable for such a tap changer novel vacuum interrupter.
- a tap changer which has a total of four vacuum interrupters per phase.
- each of the two load branches are each a vacuum interrupter as
- Overload resistor designed as a resistance contact.
- the main contact of the disconnecting side is first opened, then closes the resistor contact the receiving side, so that between the two stages n and n + 1 through the switching resistors limited compensating current flows. After the previously closed resistance contact has opened the disconnecting side, then closes the main contact of the receiving side, so that the entire load current from the new winding tapping n + 1 leads to the load dissipation; the switching is completed.
- Load branch and the load dissipation nor mechanical switching elements are provided.
- the known tap changers require four separate vacuum interrupters per phase.
- the disadvantage is first of all the high space requirement for these vacuum interrupters themselves and the associated actuating mechanism.
- the high component cost due to the high component cost, such known constructions are relatively expensive.
- the object of the invention is to provide a tap changer, which is constructed simpler with the same functionality, in which the switching elements require less space, continue to be cheaper.
- the tap changer according to the invention is based on the general idea, the two
- the vacuum interrupter according to the invention is also based on the general idea to combine the functionality of two identical tubes in a tap changer by combining a design of a tube with two movable contact systems.
- the novel vacuum interrupter tube is simple; In particular, it has no internal ones
- Vacuum interrupters with two contact points are already known per se.
- DE 3344367 relates to a vacuum interrupter with two electrically connected in series
- DE 197 56 308 C1 relates to a similar vacuum interrupter with two arranged on a common axis switching sections, wherein internal contact pressure springs are provided.
- EP 0 258 614 B1 describes the combination of a vacuum interrupter and a specific circuit on a tap changer. Here, several switching paths are arranged in a vacuum space, which causes a complicated structure of the vacuum interrupter with annular fixed contacts.
- DE 10 2006 033 422 B3 describes a further vacuum interrupter with multiple functionality, in which case also both annular fixed contacts and internal ones
- the geometric dimensions of the two separate contact systems are adapted to the electrical conditions of the circuit breaker underlying circuit, in particular, whether the separate contact system is used as the main or auxiliary contact.
- the diameter of the housing or the stroke of the plunger of the respective separate contact are adapted to the electrical conditions of the circuit breaker underlying circuit, in particular, whether the separate contact system is used as the main or auxiliary contact.
- Vakuumschaltrschreibe is, as explained, by combining a design of a tube with two movable contact systems, the functionality of two identical tubes in one
- Step switch to combine As described above, however, not all of the movable contact systems need the same electrical properties because the contact systems fulfill different circuit tasks within the switching sequence of the tap changer. More generally, this means a geometrically larger dimensions of a contact system, larger dielectric distances inside the vacuum interrupter.
- This connection uses the present embodiment in a particularly simple manner, by using the separate contact systems in their geometric design to the respective electrical boundary conditions of the
- Step changer adapts underlying circuit.
- FIG 1 shows a tap changer according to the prior art
- Figure 2 shows a switching sequence of such a known tap changer
- FIG. 3 shows a tap changer according to the invention with combined, single
- FIG 4 shows another tap changer according to the invention with combined, single
- Vacuum interrupter in each load branch which has additional mechanical contacts
- FIG. 6 shows a preferred embodiment of a vacuum interrupter according to the invention.
- FIG. 1 shows a known tap changer. It has a first load branch, in which acting as a main contact vacuum interrupter MSV a and in parallel thereto
- Overload resistor R a and acting as a resistance contact vacuum interrupter TTV a are.
- the second load branch quite analogously has a vacuum interrupter MSV b and, in parallel with this, another overvoltage resistor R b and a vacuum interrupter TTV b .
- the known tap changer thus has two vacuum switching cells per load branch, thus four vacuum switching cells per phase in total.
- Figure 2 shows the switching sequence of such a known tap changer when switching from the winding tap n to the winding tapping n + 1. The starting position at which the
- Switching elements Switching takes place in the following steps:
- FIG. 3 shows a first embodiment of a tap changer according to the invention.
- a tap changer according to the invention.
- Here is - represented by a double frame - schematically that the previously separate, parallel vacuum switching cells of a load branch to a first vacuum interrupter Va and the previously separate, parallel vacuum switching cells of the other load branch are combined to form a second vacuum interrupter Vb.
- FIG. 4 therefore shows a second embodiment of a tap changer according to the invention with a further developed circuit.
- Vacuum switch tube Va (as a replacement for the separate tubes MSV a and TTV a in the prior art) and the load lead LA a first mechanical switch MDC a provided.
- Vb Analogously, between the electrical connection of the second vacuum interrupter according to the invention Vb (as a replacement for the separate tubes TTV b and MSV b according to the prior art) of the other
- Both mechanical switching elements MDC a , MDC b are exemplified here as a circuit breaker; they do not serve for commutation, but for enabling, ie the galvanic separation of the not leading to the load current load branch.
- FIG. 5 shows a vacuum interrupter combined according to the invention.
- a common, the entire vacuum interrupter enclosing housing 1 is provided.
- an upper plunger 2 and at the opposite end a lower plunger 3 are provided which carry in the interior of the housing 1 in known manner movable contact pieces 4, 5.
- Both contact pieces 4, 5 can separately and independently by actuation of the plunger 2 or 3 with a common
- FIG. 5 shows a preferred embodiment of a vacuum interrupter according to the invention, in which the contact systems I and II are adapted by their different geometric dimensions of the tap changer specific electrical conditions.
- the same reference numerals for identical components as in FIG. 5 are used in the representation of FIG. Since their functionalities have already been explained in more detail in the description of Figure 5, is in the
- the number of vacuum stop tubes required is de facto halved; correspondingly lower is the space required for these switching elements.
- the costs are also falling. This is done by the
- vacuum interrupter which is designed as a "tandem tube” and contains two separate contact systems.
- the vacuum interrupter according to the invention is simple; in contrast to the solutions known from the prior art, it requires neither internal contact pressure springs nor complicated operating mechanisms or special filigree contact formations, e.g. in ring form.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Housings And Mounting Of Transformers (AREA)
- Protection Of Transformers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010045901A DE102010045901B4 (de) | 2010-09-17 | 2010-09-17 | Stufenschalter und Vakuumschaltröhre für einen solchen Stufenschalter |
PCT/EP2011/004433 WO2012034653A1 (de) | 2010-09-17 | 2011-09-02 | Stufenschalter und vakuumschaltröhre für einen solchen stufenschalter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2617048A1 true EP2617048A1 (de) | 2013-07-24 |
EP2617048B1 EP2617048B1 (de) | 2014-12-17 |
Family
ID=44582867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11754298.5A Not-in-force EP2617048B1 (de) | 2010-09-17 | 2011-09-02 | Stufenschalter und vakuumschaltröhre für einen solchen stufenschalter |
Country Status (10)
Country | Link |
---|---|
US (1) | US9165726B2 (de) |
EP (1) | EP2617048B1 (de) |
JP (1) | JP2013539221A (de) |
KR (1) | KR20130105825A (de) |
CN (1) | CN103119679B (de) |
BR (1) | BR112013002648A2 (de) |
DE (1) | DE102010045901B4 (de) |
ES (1) | ES2532894T3 (de) |
HK (1) | HK1186291A1 (de) |
WO (1) | WO2012034653A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013107550B4 (de) * | 2013-07-16 | 2017-05-04 | Maschinenfabrik Reinhausen Gmbh | Lastwähler |
CN104681322A (zh) * | 2013-11-27 | 2015-06-03 | Abb研究有限公司 | 分接头变换器 |
DE102013114260A1 (de) | 2013-12-17 | 2015-06-18 | Eaton Electrical Ip Gmbh & Co. Kg | Doppelkontakt-Schalter mit Vakuumschaltkammern |
CN104465168A (zh) * | 2014-12-12 | 2015-03-25 | 国家电网公司 | 一种真空式有载分接开关过渡电路及操作方法 |
DE102016108246A1 (de) * | 2016-05-03 | 2017-11-09 | Eaton Electrical Ip Gmbh & Co. Kg | Doppelkontakt-Schalter mit Vakuumschaltkammern |
US20200043650A1 (en) * | 2016-10-21 | 2020-02-06 | Kabushiki Kaisha Toshiba | On-load tap changing apparatus and on-load tap changing system |
CN107968015B (zh) * | 2017-03-31 | 2021-01-05 | 天津市先智电气设备有限公司 | 固封极柱及双电源转换开关 |
DE102017112813A1 (de) * | 2017-06-11 | 2018-12-13 | Eaton Electrical Ip Gmbh & Co. Kg | Doppelkontakt-Schalter mit Vakuumschaltkammern |
US11152174B2 (en) * | 2019-06-19 | 2021-10-19 | Eaton Intelligent Power Limited | Dual thomson coil-actuated, double-bellows vacuum circuit interrupter |
US11107653B2 (en) | 2019-06-26 | 2021-08-31 | Eaton Intelligent Power Limited | Dual-action switching mechanism and pole unit for circuit breaker |
CN111312503A (zh) * | 2020-04-07 | 2020-06-19 | 岳盛仙 | 一种有载分接开关 |
US11183348B1 (en) | 2020-07-21 | 2021-11-23 | Eaton Intelligent Power Limited | Vacuum circuit interrupter with decelerator with integrated latch assembly |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3405245A (en) * | 1964-05-29 | 1968-10-08 | Mitsubishi Electric Corp | Multiple-break vacuum-type circuit interrupters |
DE1901105U (de) * | 1964-06-23 | 1964-09-24 | Karl Winterhalter K G | Gestell zum halten von geschirr. |
CH466868A (de) * | 1968-02-16 | 1968-12-31 | Siemens Ag | Schaltungsanordnung zum unterbrechungslosen Lastumschalten bei Stufentransformatoren |
NL154369B (nl) * | 1973-12-21 | 1977-08-15 | Hazemeijer Bv | Elektrische hoogspanningsschakelaar met twee in serie geschakelde schakeltrajecten. |
DE3344376A1 (de) | 1983-12-08 | 1985-06-13 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Vakuumschalter |
ATE67338T1 (de) | 1986-08-06 | 1991-09-15 | Reinhausen Maschf Scheubeck | Stufenschalteinrichtung fuer transformatoren. |
JPH0567414A (ja) * | 1991-09-06 | 1993-03-19 | Toshiba Corp | 真空バルブ |
US5488212A (en) * | 1993-10-19 | 1996-01-30 | Fuji Electric Co., Ltd. | Switching device for an on-load tap changer |
DE19756308C1 (de) | 1997-12-12 | 1999-03-25 | Siemens Ag | Vakuumschalter, insbesondere für Hochspannung |
JP2000124042A (ja) * | 1998-10-20 | 2000-04-28 | Hitachi Ltd | 変圧器及びそれに用いられるタップ切換装置 |
JP2003123601A (ja) * | 2001-10-12 | 2003-04-25 | Hitachi Ltd | 真空スイッチ及びその絶縁スペーサ |
DE10157140B4 (de) * | 2001-11-21 | 2011-02-24 | Abb Ag | Hybridschalter |
JP4136421B2 (ja) * | 2002-03-29 | 2008-08-20 | 株式会社高岳製作所 | 負荷時タップ切換器 |
WO2007031040A1 (de) * | 2005-09-12 | 2007-03-22 | Siemens Aktiengesellschaft | Vakuumschaltröhre |
DE102006008338B3 (de) * | 2006-02-23 | 2007-02-15 | Maschinenfabrik Reinhausen Gmbh | Laststufenschalter mit Kraftspeicher |
DE102006033422B3 (de) * | 2006-07-19 | 2007-11-08 | Maschinenfabrik Reinhausen Gmbh | Vakuumschaltröhre |
DE102009048813A1 (de) | 2009-10-08 | 2011-04-14 | Maschinenfabrik Reinhausen Gmbh | Stufenschalter |
-
2010
- 2010-09-17 DE DE102010045901A patent/DE102010045901B4/de not_active Expired - Fee Related
-
2011
- 2011-09-02 ES ES11754298.5T patent/ES2532894T3/es active Active
- 2011-09-02 WO PCT/EP2011/004433 patent/WO2012034653A1/de active Application Filing
- 2011-09-02 JP JP2013528544A patent/JP2013539221A/ja active Pending
- 2011-09-02 US US13/811,757 patent/US9165726B2/en not_active Expired - Fee Related
- 2011-09-02 BR BR112013002648A patent/BR112013002648A2/pt not_active IP Right Cessation
- 2011-09-02 EP EP11754298.5A patent/EP2617048B1/de not_active Not-in-force
- 2011-09-02 CN CN201180044422.3A patent/CN103119679B/zh not_active Expired - Fee Related
- 2011-09-02 KR KR1020137005903A patent/KR20130105825A/ko not_active Application Discontinuation
-
2013
- 2013-12-06 HK HK13113636.8A patent/HK1186291A1/xx not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2012034653A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR20130105825A (ko) | 2013-09-26 |
DE102010045901B4 (de) | 2012-12-27 |
EP2617048B1 (de) | 2014-12-17 |
HK1186291A1 (en) | 2014-03-07 |
JP2013539221A (ja) | 2013-10-17 |
BR112013002648A2 (pt) | 2016-06-14 |
US20130220782A1 (en) | 2013-08-29 |
DE102010045901A1 (de) | 2012-03-22 |
US9165726B2 (en) | 2015-10-20 |
ES2532894T3 (es) | 2015-04-01 |
CN103119679B (zh) | 2016-02-10 |
WO2012034653A1 (de) | 2012-03-22 |
CN103119679A (zh) | 2013-05-22 |
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