CN106504864A - 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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- CN106504864A CN106504864A CN201611087139.XA CN201611087139A CN106504864A CN 106504864 A CN106504864 A CN 106504864A CN 201611087139 A CN201611087139 A CN 201611087139A CN 106504864 A CN106504864 A CN 106504864A
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- 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
- H01F27/24—Magnetic cores
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- 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
- H01F27/28—Coils; Windings; Conductive connections
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- 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
- H01F29/025—Constructional details of transformers or reactors with tapping on coil or windings
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- Power Engineering (AREA)
- Coils Of Transformers For General Uses (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The present invention relates 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）In parallel；By tap-changing windings（2）It is arranged on neutral point, Exciting Windings for Transverse Differential Protection（6）Public winding with voltage constant（3）Head end connects, and while realizing high pressure variable flux voltage variation (VFVV), the tertiary winding keeps voltage constant.Present invention achieves while high pressure variable flux voltage variation (VFVV), the tertiary winding can keep voltage constant.Simultaneously, it is achieved that short-circuit impedance improves the short-circuit tolerance of the tertiary winding more than 100% between tertiary winding associated winding pair.
Description
Technical field
The present invention relates to a kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer, belongs to technical field of transformer manufacturing.
Background technology
In high-voltage power system, a kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer, i.e. tap-changing windings is needed to 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, arranging the tertiary winding in other post, it is achieved that 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 not so
The transformer of structure.
Content of the invention
It is an object of the present invention to provide a kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer, by changing winding connection knot
Structure, realizes the single-phase autotransformer of the high pressure variable flux voltage variation (VFVV) of tertiary winding voltage constant, solves present in background technology
The problems referred to above.
The technical scheme is that：
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 a single-phase iron
The heart, sets gradually series connection winding, public winding and tap-changing windings on iron core column from inside to outside, on iron core side pole from interior to
The tertiary winding and Exciting Windings for Transverse Differential Protection are set gradually outward, after the public winding on iron core column, tap-changing windings series connection, on iron core side pole
Exciting Windings for Transverse Differential Protection in parallel；Tap-changing windings are arranged on neutral point, the tertiary winding is arranged on single-phase iron core side pole, Exciting Windings for Transverse Differential Protection
Connect with the public winding head end of voltage constant, while realizing high pressure variable flux voltage variation (VFVV), the tertiary winding keeps voltage constant.
Series connection winding is connected with public winding as self coupling structure.
The invention has the beneficial effects as follows：By tap-changing windings are arranged on neutral point, the tertiary winding is arranged on single-phase iron core
On other post, it is achieved that while high pressure variable flux voltage variation (VFVV), the tertiary winding can keep voltage constant.Simultaneously, it is achieved that with the 3rd
Between winding associated winding pair, short-circuit impedance improves the short-circuit tolerance of the tertiary winding more than 100%.
Description of the drawings
Fig. 1 is embodiment of the present invention 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, the Exciting Windings for Transverse Differential Protection 6, tertiary winding
7.
Specific embodiment
Below in conjunction with accompanying drawing, by embodiment, the invention will be further described.
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 on iron core column 1 from inside to outside,
Set gradually the tertiary winding 7 and Exciting Windings for Transverse Differential Protection 6 on iron core side pole 5 from inside to outside, the public winding 3, pressure regulation on iron core column 1 around
After 2 series connection of group, in parallel with the Exciting Windings for Transverse Differential Protection 6 on iron core side pole 5；Tap-changing windings 2 are arranged on neutral point, the tertiary winding 7 is arranged
On single-phase iron core side pole 5, high pressure variable flux voltage variation (VFVV) is realized in 3 head end of the public winding connection of Exciting Windings for Transverse Differential Protection 6 and voltage constant
While, the tertiary winding keeps voltage constant.
In an embodiment, series connection winding 4 is connected with public winding 3 as self coupling structure；Tap-changing windings 2 are arranged on neutral point
End, the head end of Exciting Windings for Transverse Differential Protection 6 are 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 had both been 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
Public winding 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, excitation around
Group 6 and the tertiary winding 7 are 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）In parallel；By tap-changing windings（2）It is arranged on neutral point, the tertiary winding（7）It is arranged on single-phase iron core side pole（5）On, encourage
Magnetic winding（6）Public winding with voltage constant（3）Head end connects, and while realizing high pressure variable flux voltage variation (VFVV), the tertiary winding is protected
Hold voltage constant.
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）Connect as self coupling structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611087139.XA CN106504864B (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 |
|---|---|---|---|
| CN201611087139.XA CN106504864B (en) | 2016-12-01 | 2016-12-01 | A kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer |
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| Publication Number | Publication Date |
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| CN106504864A true CN106504864A (en) | 2017-03-15 |
| CN106504864B CN106504864B (en) | 2019-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611087139.XA Active CN106504864B (en) | 2016-12-01 | 2016-12-01 | A kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727753A (en) * | 2017-10-27 | 2019-05-07 | 特变电工沈阳变压器集团有限公司 | A kind of extra-high voltage auto-transformer of pressure regulation excitation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6156405A (en) * | 1984-08-28 | 1986-03-22 | Mitsubishi Electric Corp | Autotransformer |
| CN101651030A (en) * | 2009-08-07 | 2010-02-17 | 中国西电电气股份有限公司 | Autotransformer with low-voltage compensation |
| CN102420043A (en) * | 2011-12-05 | 2012-04-18 | 保定天威集团有限公司 | Single-phase high-impedance auto-transformer |
| CN103050261A (en) * | 2012-12-24 | 2013-04-17 | 保定天威保变电气股份有限公司 | High voltage regulating autotransformer |
| CN103730240A (en) * | 2013-12-25 | 2014-04-16 | 保定天威保变电气股份有限公司 | Variable-flux voltage regulating auto transformer for maintaining constant low voltage |
| CN104752043A (en) * | 2015-04-03 | 2015-07-01 | 正泰电气股份有限公司 | Voltage regulating method for three-phase loaded voltage-regulating self-coupling transformer |
| CN206210553U (en) * | 2016-12-01 | 2017-05-31 | 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 CN201611087139.XA patent/CN106504864B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6156405A (en) * | 1984-08-28 | 1986-03-22 | Mitsubishi Electric Corp | Autotransformer |
| CN101651030A (en) * | 2009-08-07 | 2010-02-17 | 中国西电电气股份有限公司 | Autotransformer with low-voltage compensation |
| CN102420043A (en) * | 2011-12-05 | 2012-04-18 | 保定天威集团有限公司 | Single-phase high-impedance auto-transformer |
| CN103050261A (en) * | 2012-12-24 | 2013-04-17 | 保定天威保变电气股份有限公司 | High voltage regulating autotransformer |
| CN103730240A (en) * | 2013-12-25 | 2014-04-16 | 保定天威保变电气股份有限公司 | Variable-flux voltage regulating auto transformer for maintaining constant low voltage |
| CN104752043A (en) * | 2015-04-03 | 2015-07-01 | 正泰电气股份有限公司 | Voltage regulating method for three-phase loaded voltage-regulating self-coupling transformer |
| CN206210553U (en) * | 2016-12-01 | 2017-05-31 | 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 |
Non-Patent Citations (2)
| Title |
|---|
| 原敏宏: "特高压变压器调压方式分析", 《水电能源科学》 * |
| 赵宏飞: "特高压变压器调压补偿方法对比分析", 《中国电力》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727753A (en) * | 2017-10-27 | 2019-05-07 | 特变电工沈阳变压器集团有限公司 | A kind of extra-high voltage auto-transformer of pressure regulation excitation |
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| Publication number | Publication date |
|---|---|
| CN106504864B (en) | 2019-02-12 |
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