EP2647022A1 - Stufenschalter und vakuumschaltröhre für einen solchen stufenschalter - Google Patents
Stufenschalter und vakuumschaltröhre für einen solchen stufenschalterInfo
- Publication number
- EP2647022A1 EP2647022A1 EP11782556.2A EP11782556A EP2647022A1 EP 2647022 A1 EP2647022 A1 EP 2647022A1 EP 11782556 A EP11782556 A EP 11782556A EP 2647022 A1 EP2647022 A1 EP 2647022A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- vacuum
- fixed
- vacuum interrupter
- switching
- 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 8
- 230000007704 transition Effects 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000002955 isolation 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
- H01H9/0038—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
- 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
- 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
- H01H2033/6668—Operating arrangements with a plurality of interruptible circuit paths in single vacuum chamber
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, in each case the main contact in a load branch and the resistance contact in the other load branch to a single
- the vacuum interrupter according to the invention is also based on the general idea, by combining a design of a tube with only one movable contact system and two Alternatively, in the manner of a switch, contactable fixed contacts to combine the functionality of two tubes in a tap changer.
- the novel vacuum interrupter tube is simple; In particular, it has no internal contact pressure springs or sliding contacts.
- Particularly advantageous in the case of the vacuum interrupter according to the invention is only a movable contact system, which occupies little space and requires only simple actuation mechanism.
- Vacuum interrupters with two contact points are already known per se.
- DE 3344376 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
- FIG. 1 shows a tap changer according to the prior art
- Figure 2 shows a switching sequence of such a known tap changer
- FIG 4 shows a tap changer according to the invention with two inventive
- Vacuum interrupters in a schematic representation
- FIG. 5 shows another tap changer 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 vacuum interrupter combined according to the invention.
- an upper movable plunger 2 Centrally in the rotationally symmetrical longitudinal axis s1 is an upper movable plunger 2 and at the opposite end a lower fixed contact terminal 3 is provided.
- the movable plunger 2 carries at its inner free end a movable contact piece 4.
- the fixed lower contact terminal 3 in turn carries a fixed contact piece 5.
- Contact piece 4 is a circumferential annular fixed contact arrangement 6 is provided, which is perpendicular to the rotationally symmetrical longitudinal axis s1 in the plane shown here horizontally s2.
- a fixed contact 8 is fixed, which is soldered, for example. This fixed contact 8 is in an end position of the movable plunger 2 of the
- Contact piece 4 can be connected. In the other end position of this contact piece 4 connects the fixed contact piece 5 of the lower contact terminal 3.
- the movable contact piece 4 can thus beschaltten in the manner of a switch either both the fixed contact 8 and the fixed contact piece 5.
- Vacuum interrupters achieves several advantages: the number of necessary vacuum interrupters is de facto halved; correspondingly lower is the space required for these switching elements. The costs are also falling. This is achieved by the vacuum interrupter used in the invention, which is designed as a "tandem tube" namely two separate switching contacts, but contains only a single movable contact system.
- 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.
- FIG 4 shows a schematic representation of a tap changer with two load branches, as has already been explained in Figure 1 and 2. It can be seen that according to the invention, the vacuum contact tube MSVa of the first load branch acting as the main contact and the vacuum interrupter TTVb of the second load branch acting as a resistance contact of the first load branch in a first invention
- Vacuum interrupter V2 united.
- Contact piece 4 assumes the function of TTVb.
- the contact path between fixed contact piece 5 and movable contact piece 4 assumes the function of MSVb, while the contact distance between fixed contact 8 and movable contact piece 4 takes over the function of TTVa.
- other circuits of the contact sections of the two vacuum interrupters V1, V2 are possible within the scope of the invention.
- FIG. 5 shows a further tap changer according to the invention, in which mechanical switching elements (MDC a , MDC b ) are additionally provided, which serve for galvanic isolation of the load branch not leading to the load current.
- MDC a , MDC b mechanical switching elements
- Vacuum interrupters are each required with only one movable, driven contact piece to replace a total of four separate contacts in the two load branches.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010053466A DE102010053466A1 (de) | 2010-11-30 | 2010-11-30 | Stufenschalter und Vakuumschaltröhre für einen solchen Stufenschalter |
PCT/EP2011/005641 WO2012072181A1 (de) | 2010-11-30 | 2011-11-10 | Stufenschalter und vakuumschaltröhre für einen solchen stufenschalter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2647022A1 true EP2647022A1 (de) | 2013-10-09 |
EP2647022B1 EP2647022B1 (de) | 2015-04-01 |
Family
ID=44983486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11782556.2A Active EP2647022B1 (de) | 2010-11-30 | 2011-11-10 | Stufenschalter und vakuumschaltröhre für einen solchen stufenschalter |
Country Status (11)
Country | Link |
---|---|
US (1) | US9607781B2 (de) |
EP (1) | EP2647022B1 (de) |
JP (1) | JP2014502049A (de) |
KR (1) | KR20130136997A (de) |
CN (1) | CN103354942A (de) |
BR (1) | BR112013012804A8 (de) |
DE (1) | DE102010053466A1 (de) |
ES (1) | ES2540593T3 (de) |
HK (1) | HK1186288A1 (de) |
PT (1) | PT2647022E (de) |
WO (1) | WO2012072181A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112071672A (zh) * | 2020-07-22 | 2020-12-11 | 中国电力科学研究院有限公司 | 一种真空有载分接开关过渡装置和过渡装置的切换方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103534777B (zh) * | 2011-03-25 | 2016-03-09 | Abb技术有限公司 | 改进的抽头变换器 |
US9941064B2 (en) * | 2013-08-27 | 2018-04-10 | Maschinenfabrik Reinhausen Gmbh | On-load tap changer, tap-changing transformer for voltage regulation and method for implementing tap changer in the tap-changing transformer |
GB2522696A (en) * | 2014-02-03 | 2015-08-05 | Gen Electric | Improvements in or relating to vacuum switching devices |
DE102015106178A1 (de) * | 2015-04-22 | 2016-10-27 | Maschinenfabrik Reinhausen Gmbh | Laststufenschalter |
EP3731250B8 (de) | 2019-04-23 | 2022-02-09 | Hitachi Energy Switzerland AG | Federeinheit und lastumschalter |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3344376A1 (de) * | 1983-12-08 | 1985-06-13 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Vakuumschalter |
ES2023856B3 (es) * | 1986-08-06 | 1992-02-16 | Reinhausen Maschf Scheubeck | Dispositivo de conexiones escalonadas para transformadores |
DE19756308C1 (de) * | 1997-12-12 | 1999-03-25 | Siemens Ag | Vakuumschalter, insbesondere für Hochspannung |
DE10030670C2 (de) * | 2000-06-23 | 2002-06-13 | Siemens Ag | Vakuumschaltröhre mit zwei Kontaktsystemen |
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 |
JP4112386B2 (ja) | 2003-01-29 | 2008-07-02 | 花王株式会社 | 蒸留方法 |
DE10360633A1 (de) * | 2003-12-19 | 2005-07-28 | Abb Technology Ag | Mittelspannungsschaltanlage |
DE112005003757A5 (de) * | 2005-09-12 | 2008-08-14 | Siemens Aktiengesellschaft | Vakuumschaltröhre |
KR100814514B1 (ko) * | 2006-01-27 | 2008-03-17 | 가부시끼가이샤 도시바 | 부하시 탭 전환 장치 |
DE102006033422B3 (de) | 2006-07-19 | 2007-11-08 | Maschinenfabrik Reinhausen Gmbh | Vakuumschaltröhre |
FR2927194B1 (fr) * | 2008-01-31 | 2010-02-19 | Schneider Electric Ind Sas | Ampoule a vide pour un appareil electrique de coupure assurant au moins la fonction sectionneur |
FR2940543A1 (fr) | 2008-12-18 | 2010-06-25 | Schneider Electric Ind Sas | Cellule de distribution electrique moyenne tension |
CN201359915Y (zh) * | 2009-03-04 | 2009-12-09 | 上海华明电力设备制造有限公司 | 有载分接开关的真空泡切换芯子 |
CN201430078Y (zh) * | 2009-06-12 | 2010-03-24 | 上海华明电力设备制造有限公司 | 真空有载分接开关的切换机构 |
DE202009018524U1 (de) | 2009-10-08 | 2012-01-31 | Maschinenfabrik Reinhausen Gmbh | Stufenschalter |
-
2010
- 2010-11-30 DE DE102010053466A patent/DE102010053466A1/de not_active Withdrawn
-
2011
- 2011-11-10 PT PT117825562T patent/PT2647022E/pt unknown
- 2011-11-10 ES ES11782556.2T patent/ES2540593T3/es active Active
- 2011-11-10 EP EP11782556.2A patent/EP2647022B1/de active Active
- 2011-11-10 KR KR1020137011895A patent/KR20130136997A/ko active Search and Examination
- 2011-11-10 JP JP2013541230A patent/JP2014502049A/ja active Pending
- 2011-11-10 WO PCT/EP2011/005641 patent/WO2012072181A1/de active Application Filing
- 2011-11-10 US US13/878,059 patent/US9607781B2/en active Active
- 2011-11-10 CN CN2011800570512A patent/CN103354942A/zh active Pending
- 2011-11-10 BR BR112013012804A patent/BR112013012804A8/pt not_active IP Right Cessation
-
2013
- 2013-12-06 HK HK13113633.1A patent/HK1186288A1/xx not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2012072181A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112071672A (zh) * | 2020-07-22 | 2020-12-11 | 中国电力科学研究院有限公司 | 一种真空有载分接开关过渡装置和过渡装置的切换方法 |
Also Published As
Publication number | Publication date |
---|---|
PT2647022E (pt) | 2015-06-26 |
BR112013012804A2 (pt) | 2016-09-13 |
US9607781B2 (en) | 2017-03-28 |
DE102010053466A1 (de) | 2012-05-31 |
CN103354942A (zh) | 2013-10-16 |
JP2014502049A (ja) | 2014-01-23 |
WO2012072181A1 (de) | 2012-06-07 |
ES2540593T3 (es) | 2015-07-10 |
HK1186288A1 (en) | 2014-03-07 |
US20140034463A1 (en) | 2014-02-06 |
EP2647022B1 (de) | 2015-04-01 |
BR112013012804A8 (pt) | 2018-04-03 |
KR20130136997A (ko) | 2013-12-13 |
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