CN206210553U - A kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer - Google Patents
A kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer Download PDFInfo
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- CN206210553U CN206210553U CN201621306050.3U CN201621306050U CN206210553U CN 206210553 U CN206210553 U CN 206210553U CN 201621306050 U CN201621306050 U CN 201621306050U CN 206210553 U CN206210553 U CN 206210553U
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- winding
- iron core
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- vfvv
- windings
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Abstract
The utility model is related to a kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer, belongs to technical field of transformer manufacturing.Technical scheme is：In iron core column（1）On set gradually series connection winding from inside to outside（4）, public winding（3）And tap-changing windings（2）, in iron core side pole（5）On set gradually the tertiary winding from inside to outside（7）And Exciting Windings for Transverse Differential Protection（6）, iron core column（1）On public winding（3）, tap-changing windings（2）After series connection, with iron core side pole（5）On Exciting Windings for Transverse Differential Protection（6）It is in parallel；Tap-changing windings are arranged on neutral point, Exciting Windings for Transverse Differential Protection（6）With the public winding of voltage constant（3）Head end is connected, and while realizing high pressure variable flux voltage variation (VFVV), the tertiary winding keeps voltage constant.While the utility model realizes high pressure variable flux voltage variation (VFVV), the tertiary winding can keep voltage constant.Meanwhile, realize the short-circuit impedance between tertiary winding associated winding pair and be more than 100%, improve the short-circuit tolerance of the tertiary winding.
Description
Technical field
The utility model is related to a kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer, belongs to Transformer Manufacturing Technology neck
Domain.
Background technology
, it is necessary to a kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer in high-voltage power system, i.e. tap-changing windings set
Put in neutral point, to realize high pressure variable flux voltage variation (VFVV) and make tap-changing windings（And shunting switch）Dielectric level is relatively low, while ensureing
Tertiary winding voltage constant is constant.In addition, setting the tertiary winding in other post, realize short between tertiary winding associated winding pair
Roadlock is anti-can to reach more than 100%, and to ensure that the tertiary winding has enough short-circuit tolerances, background technology is without so
The transformer of structure.
Utility model content
The utility model purpose is to provide a kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer, is connected by changing winding
Structure, realizes the single-phase autotransformer of the high pressure variable flux voltage variation (VFVV) of tertiary winding voltage constant, exists in solution background technology
Above mentioned problem.
The technical solution of the utility model is：
A kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer, comprising iron core column, tap-changing windings, public winding, series connection
Winding, iron core side pole, Exciting Windings for Transverse Differential Protection and the tertiary winding, the machine body structure being provided with the single box fuel tank of transformer, using
Single-phase iron core, sets gradually series connection winding, public winding and tap-changing windings, on iron core side pole from inside to outside on iron core column
The tertiary winding and Exciting Windings for Transverse Differential Protection are set gradually from inside to outside, after public winding, the tap-changing windings series connection on iron core column, with iron core
Exciting Windings for Transverse Differential Protection on other post is in parallel；Tap-changing windings are arranged on neutral point, the tertiary winding is arranged on single-phase iron core side pole, encourages
The public winding head end connection of magnetic winding and voltage constant, while realizing high pressure variable flux voltage variation (VFVV), the tertiary winding keeps voltage
It is constant.
Series connection winding is connected as self coupling structure with public winding.
The beneficial effects of the utility model are：Neutral point is arranged on by by tap-changing windings, the tertiary winding is arranged on single-phase
On iron core side pole, while realizing high pressure variable flux voltage variation (VFVV), the tertiary winding can keep voltage constant.Meanwhile, realize with
Short-circuit impedance is more than 100% between tertiary winding associated winding pair, improves the short-circuit tolerance of the tertiary winding.
Brief description of the drawings
Fig. 1 is the utility model embodiment connection principle schematic diagram；
In figure：Iron core column 1, tap-changing windings 2, public winding 3, series connection winding 4, iron core side pole 5, Exciting Windings for Transverse Differential Protection the 6, the 3rd
Winding 7.
Specific embodiment
Below in conjunction with accompanying drawing, by embodiment, the utility model is described in further detail.
A kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer, comprising iron core column 1, tap-changing windings 2, public winding 3, string
Connection winding 4, iron core side pole 5, Exciting Windings for Transverse Differential Protection 6 and the tertiary winding 7, the machine body structure being provided with the single box fuel tank of transformer, adopt
With a single-phase iron core, series connection winding 4, public winding 3 and tap-changing windings 2 are set gradually from inside to outside on iron core column 1,
The tertiary winding 7 and Exciting Windings for Transverse Differential Protection 6 are set gradually on iron core side pole 5 from inside to outside, the public winding 3, pressure regulation on iron core column 1 around
It is in parallel with the Exciting Windings for Transverse Differential Protection 6 on iron core side pole 5 after the series connection of group 2；Tap-changing windings 2 are arranged on neutral point, the tertiary winding 7 is set
On single-phase iron core side pole 5, high pressure variable flux voltage variation (VFVV) is realized in the head end of public winding 3 connection of Exciting Windings for Transverse Differential Protection 6 and voltage constant
While, the tertiary winding keeps voltage constant.
In embodiment, series connection winding 4 is connected as self coupling structure with public winding 3；Tap-changing windings 2 are arranged on neutral point
End, the head end of Exciting Windings for Transverse Differential Protection 6 is connected to the head end of public winding 3, and the end of Exciting Windings for Transverse Differential Protection 6 is connected to neutral end.
So, tap-changing windings are both reduced（And shunting switch）Dielectric level, ensures tertiary winding voltage constant again, also makes the
Three winding associated impedances are very big, improve the enough short-circuit tolerances of the tertiary winding.
Additionally, the machine body structure being provided with single box fuel tank using the transformer of this kind of wiring construction, wherein it is public around
Group 3 and series connection winding 4 and tap-changing windings 2 are sequentially arranged on single-phase iron core column 1 from inside to outside, Exciting Windings for Transverse Differential Protection 6 and the 3rd
Winding 7 is sequentially arranged on single-phase iron core side pole 5 from inside to outside.
Claims (2)
1. a kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer, it is characterised in that：Comprising iron core column（1）, tap-changing windings
（2）, public winding（3）, series connection winding（4）, iron core side pole（5）, Exciting Windings for Transverse Differential Protection（6）And the tertiary winding（7）, single case of transformer
The machine body structure being provided with formula fuel tank, using a single-phase iron core, in iron core column（1）On set gradually from inside to outside series connection around
Group（4）, public winding（3）And tap-changing windings（2）, in iron core side pole（5）On set gradually the tertiary winding from inside to outside（7）With encourage
Magnetic winding（6）, iron core column（1）On public winding（3）, tap-changing windings（2）After series connection, with iron core side pole（5）On excitation
Winding（6）It is in parallel；By tap-changing windings（2）It is arranged on neutral point, Exciting Windings for Transverse Differential Protection（6）With the public winding of voltage constant（3）Head end
Connection.
2. a kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer according to claim 1, it is characterised in that：Series connection winding
（4）With public winding（3）It is self coupling structure to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621306050.3U CN206210553U (en) | 2016-12-01 | 2016-12-01 | A kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621306050.3U CN206210553U (en) | 2016-12-01 | 2016-12-01 | A kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206210553U true CN206210553U (en) | 2017-05-31 |
Family
ID=58752076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621306050.3U Withdrawn - After Issue CN206210553U (en) | 2016-12-01 | 2016-12-01 | A kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206210553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504864A (en) * | 2016-12-01 | 2017-03-15 | 保定天威保变电气股份有限公司 | A kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer |
-
2016
- 2016-12-01 CN CN201621306050.3U patent/CN206210553U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504864A (en) * | 2016-12-01 | 2017-03-15 | 保定天威保变电气股份有限公司 | A kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer |
| CN106504864B (en) * | 2016-12-01 | 2019-02-12 | 保定天威保变电气股份有限公司 | A kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170531 Effective date of abandoning: 20190212 |