CN103314423A - Tap changer - Google Patents
Tap changer Download PDFInfo
- Publication number
- CN103314423A CN103314423A CN2011800638572A CN201180063857A CN103314423A CN 103314423 A CN103314423 A CN 103314423A CN 2011800638572 A CN2011800638572 A CN 2011800638572A CN 201180063857 A CN201180063857 A CN 201180063857A CN 103314423 A CN103314423 A CN 103314423A
- Authority
- CN
- China
- Prior art keywords
- shunting switch
- oil
- expansion vessel
- flange
- head
- 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
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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
- H01H9/0044—Casings; Mountings; Disposition in transformer housing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
- Transformer Cooling (AREA)
Abstract
The invention relates to a tap changer (1) for the uninterrupted switching between winding taps of a tap transformer. Said tap changer comprises an oil vessel (2) which accommodates the components of the tap changer (1) and which comprises an upper oil vessel flange (3), and a tap changer head (4) with a head flange (5). An oil expansion vessel (6) having an upper flange (7) and a lower flange (8) is arranged between the oil vessel (2) and tap changer head (4). Said upper flange (7) of the oil expansion vessel (6) is connected mechanically and in an oil tight manner to the head flange (5), and the lower flange (8) of the oil expansion vessel (6) is connected mechanically and in an oil tight manner to the upper oil tank flange (3).
Description
Technical field
The present invention relates to a kind ofly for there is not the shunting switch of conversion interruptedly between the winding tap of adjustable transformer, this shunting switch comprises oily expansion vessel.
Background technology
In the shunting switch of filling usually with insulating oil, there is following necessity: be provided with the specific volume that expands for the oil that occurs owing to temperature fluctuation.Usually be provided with independent oily expansion vessel for this reason.
Arrangement by the shunting switch of the known a kind of such filling oil of DE202008017356U1 wherein, is provided with oily expansion vessel above shunting switch, this oil expansion vessel is connected with the oil volume of shunting switch by the oil flow pipeline.This oil flow pipeline comprises oily flow relay in addition
So that can test example such as excessive switching gas generation.In addition, be provided with additional pressure relief device in oily expansion vessel, this pressure relief device allows pressure immediately to descend when the overvoltage that for example suddenly occurs owing to the short circuit under failure condition.
By the known another kind of arrangement of filling the shunting switch of oil of DE102008027274D3, wherein, shunting switch and the transformer that this shunting switch is installed therein only have a unique oily expansion vessel.At this, also need be connected towards the pipe of expansion vessel by the common oil volume here of shunting switch and transformer, and also use additional oily flow relay at this.
At last, by the known a kind of shunting switch of DE3504916A1, this shunting switch has independent oily expansion vessel, and this independent oily expansion vessel is located immediately at the above-head of shunting switch.This oil expansion vessel is within the profile of shunting switch head.But here, oily expansion vessel also constitute container independently and by pipe joint with the head of shunting switch and therefore be connected with its oil volume.
In a word, these have different shortcomings by the known arrangement of prior art.What need in principle is, is provided with corresponding adpting flange at the head of corresponding shunting switch, and this adpting flange is connected with pipeline, at last this pipeline is connected with independent oily expansion vessel.In addition, must be provided with the independent fastening means for oily expansion vessel, different with shunting switch, this oil expansion vessel does not sink in the transformer tank.Towards the oil flow pipeline of oily expansion vessel in the concrete space situation that must be matched with under every kind of individual cases between shunting switch head and oily expansion vessel.Though directly in the structural shape of shunting switch above-head, this last-mentioned coupling need not be considered, also needs corresponding flange and tube connector joint there at the oily expansion vessel known by DE3504916A1.
At last by DE102005033925A1 also known another kind have shunting switch for the oily expansion vessel of sealing applications.At this, for the volume fluctuation by the heat decision of absorbent insulation oil, use the motion of bellows.The whole compensation arrangement of oily expansion vessel that comprises directly is assembled on the shunting switch head.Though in the disclosure content, set forth, can consider the assembling of the trouble of expansion vessel and pipeline, this point does not meet situation.Can learn that from the accompanying drawing of the disclosure content between shunting switch head part S K and the compensation arrangement that is fastened thereon, the adpting flange with the F1 mark is essential there.This adpting flange is an additional member, and this member makes independent assembling and careful calibration need.In this arrangement, also need with the corresponding coupling of space situation on transformer, because oily expansion vessel stretches out from the profile of the shunting switch of reality.Another shortcoming is, as also in other the known solution by prior art, assembling, must remove oily expansion vessel troublesomely when removing or opening the shunting switch head, so that the shunting switch head can be got at and itself can be opened, in order to arrive in the inside of shunting switch.
Summary of the invention
Task of the present invention is, provides a kind of shunting switch of filling oil, and this shunting switch has device for the oil expansion according to simple and the favourable mode of price, and do not need that the space remotely arranges or with other any ways oily expansion vessel independently.In addition, task of the present invention is, provides a kind of shunting switch of filling oil, this shunting switch allow lid assembling, remove and open, and needn't at first remove and ressemble afterwards independent oily expansion vessel.
This task solves by the present invention.
Total inventive concept is, above and following unlimited oily expansion vessel be located between the cylindrical insulator (Isolierzylinder) and shunting switch head of shunting switch.Like this have series of advantages according to form of implementation of the present invention: this form of implementation can realize the structure of compactness at first on the one hand; Additional pipe or other interface units and fastening means are unwanted.Can reach especially little space requirement in the following manner: oily expansion vessel can be matched with cylindrical insulator and tap switch head, common circular profile in the present invention.In according to shunting switch of the present invention, when assembling, removing or opening shunting switch, do not need the additional assembly work on the oily expansion vessel, because oily expansion vessel constitutes the integrated part of shunting switch and can jointly be operated with shunting switch.Therefore possible in a simple manner is to open the shunting switch head and pass the assembly that oily expansion vessel arrives the inside that is arranged in oil conservator of shunting switch---for example in the big advantage of maintenance.At last, the present invention can realize the complete pre-assembled of shunting switch, and this shunting switch can not have other connection places of working then together with integrated oily expansion vessel and is loaded in the transformer tank.
Description of drawings
Below also set forth the present invention in more detail by accompanying drawing.Among the figure:
Fig. 1 illustrates according to shunting switch of the present invention with the schematic diagram of perspective;
Fig. 2 only illustrates the oily expansion vessel of such shunting switch.
Embodiment
Shunting switch 1 is shown in the drawings, and this shunting switch has oil conservator 2 according to known mode own, and this oil conservator holds the member of shunting switch.Oil conservator 2 has oil conservator flange 3 on the end thereon.Shunting switch head 4 forms the last connecting portion of shunting switch 1, and this shunting switch head has head flanges 5.On shunting switch head 4, can directly be provided with unshowned motor drive here.A same unshowned dynamical system is guided towards independent motor drive by the there, and this motor drive is fastened on the outer wall of transformer usually.
In the prior art, this head flanges 5 directly and oil conservator flange 3 tighten.But be provided with oily expansion vessel 6 according to the present invention, this oil expansion vessel has upper flange 7 and lower flange 8.Oil expansion vessel 6 is arranged between shunting switch head 4 and the oily expansion vessel 6.At this, head flanges 5 is tightened with the upper flange 7 of oily expansion vessel 6, and oil conservator flange 3 is tightened with the lower flange 8 of oily expansion vessel 6.This carries out on oil seal ground respectively.
Fig. 2 illustrates separately again according to oily expansion vessel 6 of the present invention.This oil expansion vessel has at least one window glass 9 and one or more pipeline connecting portion 10 as favourable feature, for example can connect known pressure-relief valve on this pipeline connecting portion.At last advantageously, on oily expansion vessel 6, also be provided with independent suspension ring 11, the convenient taking-up of these suspension ring.Power transmission shaft 12 also is shown in this accompanying drawing, and this power transmission shaft places middle ground to pass the extension of oil conservator 2 ground in known manner and handles shunting switch 1 in known manner.This power transmission shaft 12 is upward through oily expansion vessel 6 and stretches out so manyly, and feasible then this power transmission shaft can no problem ground and drive unit mechanical connection in shunting switch head 4, for example the possibility that is coupled by tooth portion 13 or other.
Can find out, can be owing to integrated oily expansion vessel 6 hinders functional in according to shunting switch 1 of the present invention.Pass on the power transmission shaft 12 that oily expansion vessel 6 is passed to shunting switch 1 in the rotational motion that is produced by unshowned motor drive on the shunting switch head 4.Oil conservator 2 insights as usual are fully filled oil; And oily plane only partly reaches in the oily expansion vessel 6, thereby stays enough volume of air there, so that the fluctuation of the volume of absorbent insulation oil.
Claims (4)
1. be used between the winding tap of adjustable transformer, not having the shunting switch (1) of conversion interruptedly, this shunting switch has oil conservator (2), this oil conservator holds the member of shunting switch (1) and has last oil conservator flange (3), this shunting switch has the shunting switch head (4) that has head flanges (5) in oil conservator (2) top, it is characterized in that: be provided with the oily expansion vessel (6) that has upper flange (7) and lower flange (8) between oil conservator (2) and shunting switch head (4); The upper flange (7) of oil expansion vessel (6) is connected with head flanges (5) machinery and oil seal ground; And the lower flange (8) of oily expansion vessel (6) is connected with last oil conservator flange (3) machinery and oil seal ground.
2. according to the described shunting switch of claim 1 (1), it is characterized in that described oily expansion vessel (6) constitutes columniform.
3. according to the described shunting switch of claim 2 (1), it is characterized in that the diameter of described oily expansion vessel (6) is approximately equal to the diameter of oil conservator (2) at least.
4. according to one of claim 1 to 3 described shunting switch (1), it is characterized in that described oily expansion vessel (6) has at least one window glass (9) and/or at least one pipeline connecting portion (10).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011008689.7 | 2011-01-15 | ||
| DE102011008689A DE102011008689B3 (en) | 2011-01-15 | 2011-01-15 | step switch |
| PCT/EP2011/006566 WO2012095154A1 (en) | 2011-01-15 | 2011-12-24 | Tap changer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103314423A true CN103314423A (en) | 2013-09-18 |
| CN103314423B CN103314423B (en) | 2016-07-06 |
Family
ID=45420571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180063857.2A Active CN103314423B (en) | 2011-01-15 | 2011-12-24 | Shunting switch |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP2663987B1 (en) |
| CN (1) | CN103314423B (en) |
| BR (1) | BR112013012667B1 (en) |
| DE (1) | DE102011008689B3 (en) |
| ES (1) | ES2537380T3 (en) |
| HK (1) | HK1189705A1 (en) |
| UA (1) | UA109473C2 (en) |
| WO (1) | WO2012095154A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116525324A (en) * | 2023-06-14 | 2023-08-01 | 双城市国开电气制造有限公司 | 35KV dry type vacuum on-load tap switch |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021101236B3 (en) | 2021-01-21 | 2022-06-09 | Maschinenfabrik Reinhausen Gmbh | Stepped transformer with switch unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0191398A1 (en) * | 1985-02-13 | 1986-08-20 | Maschinenfabrik Reinhausen Gmbh | Oil-filled tap changer assembly with oil expansion vessel |
| CN2031151U (en) * | 1988-01-28 | 1989-01-18 | 沈阳市和平互感器配件厂 | Full seal device for 35 kv mutual-inductor |
| CN2257071Y (en) * | 1995-10-24 | 1997-06-25 | 邵为 | Metal expansion conserver |
| JPH10223452A (en) * | 1997-02-12 | 1998-08-21 | Meidensha Corp | Vibration-proof structure of static apparatus for power |
| CN101223612A (en) * | 2005-07-15 | 2008-07-16 | 西门子公司 | Expansion tank for a stepping switch |
| CN201152438Y (en) * | 2008-02-04 | 2008-11-19 | 刘九洲 | Corona type metal corrugation expander |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE619635C (en) * | 1931-04-19 | 1935-10-04 | Siemens Schuckertwerke Akt Ges | OEltrausformator with attached tap changer arranged in OEl |
| BE648327A (en) * | 1963-05-23 | |||
| JPS5124892B1 (en) | 1969-04-26 | 1976-07-27 | ||
| DE3336567C1 (en) * | 1983-10-07 | 1985-05-30 | Maschinenfabrik Reinhausen Gebrüder Scheubeck GmbH & Co KG, 8400 Regensburg | Stepping switch for stepping transformers, having an insulating cylinder which is supported by a metallic head flange |
| US7842122B2 (en) * | 2003-10-31 | 2010-11-30 | Waukesha Electric Systems Incorporated | Gas remover apparatus and method |
| DE202008017356U1 (en) * | 2008-06-06 | 2009-06-10 | Maschinenfabrik Reinhausen Gmbh | Oil-filled power transformer with tap changer |
| DE102008027274B3 (en) * | 2008-06-06 | 2009-08-27 | Maschinenfabrik Reinhausen Gmbh | Power transformer with tap changer |
-
2011
- 2011-01-15 DE DE102011008689A patent/DE102011008689B3/en not_active Expired - Fee Related
- 2011-12-24 CN CN201180063857.2A patent/CN103314423B/en active Active
- 2011-12-24 ES ES11802292.0T patent/ES2537380T3/en active Active
- 2011-12-24 UA UAA201308879A patent/UA109473C2/en unknown
- 2011-12-24 WO PCT/EP2011/006566 patent/WO2012095154A1/en active Application Filing
- 2011-12-24 BR BR112013012667A patent/BR112013012667B1/en not_active IP Right Cessation
- 2011-12-24 EP EP11802292.0A patent/EP2663987B1/en active Active
-
2014
- 2014-03-07 HK HK14102313.0A patent/HK1189705A1/en not_active IP Right Cessation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0191398A1 (en) * | 1985-02-13 | 1986-08-20 | Maschinenfabrik Reinhausen Gmbh | Oil-filled tap changer assembly with oil expansion vessel |
| CN2031151U (en) * | 1988-01-28 | 1989-01-18 | 沈阳市和平互感器配件厂 | Full seal device for 35 kv mutual-inductor |
| CN2257071Y (en) * | 1995-10-24 | 1997-06-25 | 邵为 | Metal expansion conserver |
| JPH10223452A (en) * | 1997-02-12 | 1998-08-21 | Meidensha Corp | Vibration-proof structure of static apparatus for power |
| CN101223612A (en) * | 2005-07-15 | 2008-07-16 | 西门子公司 | Expansion tank for a stepping switch |
| CN201152438Y (en) * | 2008-02-04 | 2008-11-19 | 刘九洲 | Corona type metal corrugation expander |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116525324A (en) * | 2023-06-14 | 2023-08-01 | 双城市国开电气制造有限公司 | 35KV dry type vacuum on-load tap switch |
| CN116525324B (en) * | 2023-06-14 | 2023-10-20 | 双城市国开电气制造有限公司 | 35KV dry type vacuum on-load tap switch |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112013012667B1 (en) | 2019-12-24 |
| EP2663987A1 (en) | 2013-11-20 |
| DE102011008689B3 (en) | 2012-03-08 |
| WO2012095154A1 (en) | 2012-07-19 |
| HK1189705A1 (en) | 2014-06-13 |
| BR112013012667A2 (en) | 2016-09-06 |
| ES2537380T3 (en) | 2015-06-08 |
| UA109473C2 (en) | 2015-08-25 |
| CN103314423B (en) | 2016-07-06 |
| EP2663987B1 (en) | 2015-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |