CN2755750Y - Non-cxcitation tap switch of transformer - Google Patents
Non-cxcitation tap switch of transformer Download PDFInfo
- Publication number
- CN2755750Y CN2755750Y CN 200420080947 CN200420080947U CN2755750Y CN 2755750 Y CN2755750 Y CN 2755750Y CN 200420080947 CN200420080947 CN 200420080947 CN 200420080947 U CN200420080947 U CN 200420080947U CN 2755750 Y CN2755750 Y CN 2755750Y
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- China
- Prior art keywords
- fixed contact
- connect
- coil terminal
- transformer coil
- transformer
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Abstract
The utility model relates to a non-excitation tap switch of a transformer, which comprises a machine base, an operating mechanism, a main shaft and a cage, wherein nine moving contacts among which the spacing is equal are fixed on the main shaft from top to bottom; nine rows of fixed contact rows among which the spacing is equal to the spacing among the moving contacts are fixed around the cage from top to bottom, six fixed contacts are evenly distributed on the plane of each of the fixed contact rows along the circumference of the cage, and the fixed contact rows which are in one-to-one correspondence to the moving contacts are arranged on the same plane. The moving contacts are respectively switch on and switched off with the fixed contacts through that the fixed contacts are connected with relevant coil terminals which are extracted by the transformer and the main shaft is rotated by the operating mechanism to change shift, and accordingly, the serial and the parallel connection, and the star and the triangle conversion can be directly carried out by a transformer coil to output four different kinds of voltage. The utility model which is suitable for research trial work has the advantages of convenient operation, simple structure, and practicable.
Description
Affiliated technical field
The utility model relates to a kind of transformer output voltage conversion equipment, specifically a kind of being specifically designed in the oil-filled transformer, under the situation of the former limit of excision transformer power supply,, regulate the non-excitation pressure adjustment shunting switch of transformer output voltage size by the position of conversion moving contact.
In research work, require transformer that voltage in several modes is provided during test, the general method that adopts is with sleeve pipe the coil terminals of transformer directly to be drawn, and carries out series and parallel outside and is connected into star or triangle output, cumbersome when this mode user uses, also dangerous, unreliable; In addition, a kind of method being arranged also, is to adopt the WSL off circuit tap changer, and by connection in series-parallel connection and star-delta conversion output, but the method can only be changed two kinds of different voltages of output.
Summary of the invention
The purpose of this utility model provides a kind of transformer off circuit tap changer, it had both avoided with sleeve pipe the coil terminals of transformer being drawn, carry out the trouble of series and parallel connection and star, triangle conversion output outside, can directly change four kinds of different voltages of output simultaneously again.
The purpose of this utility model is to realize by following technical scheme: the transformer off circuit tap changer, it includes support, operating mechanism, main shaft and cage.Main shaft is set below the operating mechanism, and main shaft is connected with operating mechanism, and cage is the periphery that the center is arranged on main shaft with the main shaft, and cage and operating mechanism are all affixed with support.It is characterized in that: fixing the moving contact that 9 spacings equate on the main shaft from top to bottom, fixed contact row I, the II that fixing from top to bottom on the cage border, spacing is identical with the moving contact spacing, III, IV, V, VI, VII, VIII, IX be totally 9 rows, 6 fixed contacts of each fixed contact row's upper edge, plane cage circumference uniform distribution 1,2,3,4,5,6, all vertical up and down corresponding setting of 6 fixed contacts on each fixed contact row, each fixed contact row and the corresponding one by one setting of moving contact are at grade, along with the rotation of main shaft, moving contact and fixed contact can be switched on or switched off.Fixed contact 1,2,3,4,5,6 on each fixed contact row respectively with the relevant coil terminals A of transformer
1, A
2, A
3, A
4, B
1, B
2, B
3, B
4, C
1, C
2, C
3, C
4Link to each other with lead, its annexation as shown in Table 1.
Fixed contact and transformer coil terminal connection relational table on each fixed contact row
Table one
| Fixed contact row | Fixed contact | The transformer coil terminal | Annexation |
| I | 1、5 | A 1 | Connect |
| 2、4 | A 3 | ||
| 3 | A 2 | ||
| II | 1 | A 2 | Connect |
| 2、3、5 | A 4 | ||
| III | 1、3 | A 1 | Connect |
| 2 | C 4 | ||
| 4 | A 2 | ||
| 5 | A 4 | ||
| IV | 1、5 | B 1 | Connect |
| 2、4 | B 3 | ||
| 3 | B 2 | ||
| V | 1 | B 2 | Connect |
| 2、3、5 | B 4 | ||
| VI | 1、3 | B 1 | Connect |
| 2 | A 4 | ||
| 4 | B 2 | ||
| 5 | B 4 | ||
| VII | 1、5 | C 1 | Connect |
| 2、4 | C 3 | ||
| 3 | C 2 | ||
| VIII | 1 | C 2 | Connect |
| 2、3、5 | C 4 | ||
| IX | 1、3 | C 1 | Connect |
| 2 | B 4 | ||
| 4 | C 2 | ||
| 5 | C 4 |
In addition, the fixed contact 4 on II, V, the VIII fixed contact row all links to each other with 0 lead, and the fixed contact 6 on each fixed contact row is the neutral gear contact.
Operation principle of the present utility model is such: drive main shaft when operating mechanism rotates and rotate, moving contact on the main shaft is the rotation of Sui also, when main shaft is pass on the 1st grade, 9 moving contacts on the main shaft are connected with fixed contact 1 and the fixed contact 2 that 9 row's fixed contacts are arranged respectively, each two sections coil in mutually of transformer secondary A, B, C are in parallel respectively, then, press the output of triangle three-phase again.When operating mechanism rotation drive main shaft is pass on the 2nd grade, 9 moving contacts on the main shaft are connected with fixed contact 2 and the fixed contact 3 that 9 row's fixed contacts are arranged respectively, each two sections coil in mutually of transformer secondary A, B, C are connected respectively, then, press the triangle three-phase again and export.When operating mechanism rotation drive main shaft is pass on the 3rd grade, 9 moving contacts on the main shaft are connected with fixed contact 3 and the fixed contact 4 that 9 row's fixed contacts are arranged respectively, each two sections coil in mutually of transformer secondary A, B, C are connected respectively, then, and again by the output of star three-phase.When operating mechanism rotation drive main shaft is pass on the 4th grade, 9 moving contacts on the main shaft are connected with fixed contact 5 with the fixed contact 4 that 9 row's fixed contacts are arranged respectively, each two sections coil in mutually of transformer secondary A, B, C are in parallel respectively, then, and again by the output of star three-phase.Its annexation and the way of output are as shown in Table 2.
The position of the switch and coil terminals connection status and way of output relation table
Table two
| The position of the switch | The coil terminals connection status | The way of | ||
| 1 grade | A 1-A 3 | B 1-B 3 | C 1-C 3 | And-Δ |
| A 2-A 4 | B 2-B 4 | C 2-C 4 | ||
| A 1-C 4 | B 1-A 4 | C
1- | ||
| 2 grades | A 3-A 2 | B 3-B 2 | C 3-C 2 | String-Δ |
| A 4-A 4 | B 4-B 4 | C 4-C 4 | ||
| C 4-A 1 | A 4-B 1 | B
4- | ||
| 3 grades | A 2-A 3 | B 2-B 3 | C 2-C 3 | String-Y |
| A4-0 | B 4-0 | C 4-0 | ||
| A 1-A 2 | B 1-B 2 | C
1- | ||
| 4 grades | A 3-A 1 | B 3-B 1 | C 3-C 1 | And-Y |
| 0-A 4 | 0-B 4 | 0-C 4 | ||
| A 4-A 2 | B 4-B 2 | C 4-C 2 | ||
The beneficial effects of the utility model are: the coil terminals that the utility model can be drawn transformer directly carries out series and parallel connection and star, the output of triangle conversion three-phase, and this connection can be exported four kinds of different voltages with output.The utility model is easy to use, simple in structure, practical.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is that the D-D of Fig. 1 analyses and observe the switch gear shift diagram.
Fig. 3 is parallel connection of the present utility model-triangle output principle line map.
Fig. 4 is series connection of the present utility model-triangle output principle line map.
Fig. 5 is series connection of the present utility model-star output principle line map.
Fig. 6 is parallel connection of the present utility model-star output principle line map.
Fig. 7 is the winding diagram of fixed contact of the present utility model and transformer coil terminal.
Among the figure: 1, operating mechanism; 2, support; 3, main shaft; 4, dynamic static joint; 5, fixed contact; 6, cage.
I, II, III, IV, V, VI, VII, VIII, IX are fixed contact row.
1,2,3,4,5,6 fixed contacts for each fixed contact row.
A
1, A
2, A
3, A
4, B
1, B
2, B
3, B
4, C
1, C
2, C
3, C
4Be respectively the coil terminals of transformer A, B, C phase.
Embodiment
Model is the YS9-630/10 testing transformer, and requiring original edge voltage is 0.38KV, and secondary voltage is 3KV or 6KV or 10.4KV or 5.2KV, and as shown in Figure 1: the transformer off circuit tap changer includes operating mechanism 1, support 2, main shaft 3, cage 6.Main shaft 3 is set below the operating mechanism 1, and main shaft 3 is connected with operating mechanism 1.Cage 6 is the periphery that the center is arranged on main shaft 3 with main shaft 3, and cage 6 and operating mechanism 1 are all affixed with support 2.Fixing 9 moving contacts 4 on the main shaft 3 from top to bottom, its spacing of being separated by is 110mm, fixing top-down fixed contact row I, II, III, IV, V, VI, VII, VIII, IX totally 9 rows on cage 6 borders, its spacing of being separated by is 110mm, each fixed contact is arranged 6 fixed contacts 5 that are being uniformly distributed along the circumference on plane, and moving contact 4 was illustrated with the link position of fixed contact 5 when Fig. 2 was the switch gear shift; As Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Figure 7, with lead with transformer coil terminal A
1, A
2, A
3, A
4B
1, B
2, B
3, B
4C
1, C
2, C
3, C
4Respectively with I, II, III, IV, V, VI, VII, VIII, IX the fixed contacts 1,2,3,4,5 on the totally 9 row fixed contacts rows link to each other, its annexation is as shown in Table 1.The 4th fixed contact and 0 lead on II, V, the VIII row fixed contact row are connected to each other.
Claims (2)
1, a kind of transformer off circuit tap changer, it includes support, operating mechanism, main shaft and cage, main shaft is set below the operating mechanism, main shaft is connected with operating mechanism, cage is the periphery that the center is arranged on main shaft with the main shaft, cage and operating mechanism are all affixed with support, it is characterized in that: fixing the moving contact that 9 spacings equate on the main shaft from top to bottom, fixing from top to bottom on the cage border, the fixed contact row I that spacing is identical with the moving contact spacing, II, III, IV, V, VI, VII, VIII, IX is totally 9 rows, 6 fixed contacts 1 of each fixed contact row's upper edge, plane cage circumference uniform distribution, 2,3,4,5,6, all vertical up and down corresponding setting of 6 fixed contacts on each fixed contact row, each fixed contact row and the corresponding one by one setting of moving contact are at grade, along with the rotation of main shaft, moving contact and fixed contact can be switched on or switched off.
2, transformer off circuit tap changer according to claim 1 is characterized in that: the fixed contact 1,2,3,4,5,6 on each fixed contact row respectively with the relevant coil terminals A of transformer
1, A
2, A
3, A
4, B
1, B
2, B
3, B
4, C
1, C
2, C
3, C
4Link to each other with lead, its annexation is as follows: fixed contact 1,5 and transformer coil terminal A on the I fixed contact row
1Connect fixed contact 2,4 and transformer coil terminal A
3Connect fixed contact 3 and transformer coil terminal A
2Connect; Fixed contact 1 and transformer coil terminal A on the II fixed contact row
2Connect fixed contact 2,3,5 and transformer coil terminal A
4Connect; Fixed contact 1,3 and transformer coil terminal A on the III fixed contact row
1Connect fixed contact 2 and transformer coil terminal C
4Connect fixed contact 4 and transformer coil terminal A
2Connect fixed contact 5 and transformer coil terminal A
4Connect; Fixed contact 1,5 and transformer coil terminal B on the IV fixed contact row
1Connect fixed contact 2,4 and transformer coil terminal B
3Connect fixed contact 3 and transformer coil terminal B
2Connect; Fixed contact 1 and transformer coil terminal B on the V fixed contact row
2Connect fixed contact 2,3,5 and transformer coil terminal B
4Connect; Fixed contact 1,3 and transformer coil terminal B on the VI fixed contact row
1Connect fixed contact 2 and transformer coil terminal A
4Connect fixed contact 4 and transformer coil terminal B
2Connect fixed contact 5 and transformer coil terminal B
4Connect; Fixed contact 1,5 and transformer coil terminal C on the VII fixed contact row
1Connect fixed contact 2,4 and transformer coil terminal C
3Connect fixed contact 3 and transformer coil terminal C
2Connect; Fixed contact 1 and transformer coil terminal C on the VIII fixed contact row
2Connect fixed contact 2,3,5 and transformer coil terminal C
4Connect; Fixed contact 1,3 and transformer coil terminal C on the IX fixed contact row
1Connect fixed contact 2 and transformer coil terminal B
4Connect fixed contact 4 and transformer coil terminal C
2Connect fixed contact 5 and transformer coil terminal C
4Connect; In addition, the fixed contact 4 on II, V, the VIII fixed contact row all links to each other with the O lead, and the fixed contact 6 on each fixed contact row is the neutral gear contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420080947 CN2755750Y (en) | 2004-11-04 | 2004-11-04 | Non-cxcitation tap switch of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420080947 CN2755750Y (en) | 2004-11-04 | 2004-11-04 | Non-cxcitation tap switch of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2755750Y true CN2755750Y (en) | 2006-02-01 |
Family
ID=35929376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420080947 Expired - Fee Related CN2755750Y (en) | 2004-11-04 | 2004-11-04 | Non-cxcitation tap switch of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2755750Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101118802B (en) * | 2007-07-03 | 2011-06-01 | 天津市特变电工变压器有限公司 | Dry-type traction rectifier transformer capable of easily net-side tapping |
| CN103198956A (en) * | 2013-03-18 | 2013-07-10 | 河北大学 | Trigger switch for liquid phase high voltage discharge |
| CN103366976A (en) * | 2013-06-27 | 2013-10-23 | 宜兴市兴益特种变压器有限公司 | Star-Delta conversion switch for current conversion device in electric arc furnace transformer |
| CN103903837A (en) * | 2014-03-31 | 2014-07-02 | 镇江天力变压器有限公司 | Coil structure of multi-voltage experimental transformer |
| CN104272415A (en) * | 2012-05-03 | 2015-01-07 | 赖茵豪森机械制造公司 | Selector for a tap changer |
| CN105632728A (en) * | 2016-03-25 | 2016-06-01 | 浙江江变科技有限公司 | Test three-phase intermediate transformer with combination of series-parallel connection and star-triangle conversion |
-
2004
- 2004-11-04 CN CN 200420080947 patent/CN2755750Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101118802B (en) * | 2007-07-03 | 2011-06-01 | 天津市特变电工变压器有限公司 | Dry-type traction rectifier transformer capable of easily net-side tapping |
| CN104272415A (en) * | 2012-05-03 | 2015-01-07 | 赖茵豪森机械制造公司 | Selector for a tap changer |
| CN104272415B (en) * | 2012-05-03 | 2016-09-07 | 赖茵豪森机械制造公司 | A kind of selector for diversity switch |
| CN103198956A (en) * | 2013-03-18 | 2013-07-10 | 河北大学 | Trigger switch for liquid phase high voltage discharge |
| CN103198956B (en) * | 2013-03-18 | 2014-11-12 | 河北大学 | Trigger switch for liquid phase high voltage discharge |
| CN103366976A (en) * | 2013-06-27 | 2013-10-23 | 宜兴市兴益特种变压器有限公司 | Star-Delta conversion switch for current conversion device in electric arc furnace transformer |
| CN103903837A (en) * | 2014-03-31 | 2014-07-02 | 镇江天力变压器有限公司 | Coil structure of multi-voltage experimental transformer |
| CN105632728A (en) * | 2016-03-25 | 2016-06-01 | 浙江江变科技有限公司 | Test three-phase intermediate transformer with combination of series-parallel connection and star-triangle conversion |
| CN105632728B (en) * | 2016-03-25 | 2018-02-02 | 浙江江变科技有限公司 | The experiment three-phase intermediate transformer that a kind of connection in series-parallel and star triangular transformation are combined |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060201 Termination date: 20111104 |