CN108615602A - A kind of extra-high voltage transformer winding improving impulse voltage distributions - Google Patents
A kind of extra-high voltage transformer winding improving impulse voltage distributions Download PDFInfo
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- CN108615602A CN108615602A CN201810528780.5A CN201810528780A CN108615602A CN 108615602 A CN108615602 A CN 108615602A CN 201810528780 A CN201810528780 A CN 201810528780A CN 108615602 A CN108615602 A CN 108615602A
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- 238000004804 winding Methods 0.000 title claims abstract description 87
- 238000009826 distribution Methods 0.000 title claims abstract description 16
- 239000004020 conductor Substances 0.000 claims abstract description 6
- 230000007704 transition Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The present invention relates to a kind of extra-high voltage transformer windings improving impulse voltage distributions, belong to technical field of transformer equipment.Technical solution is：Winding head end（2）, winding be entangled with section（3）, winding continuous segment（11）, winding ends（12）By four conductor in parallel coilings, it is sequentially connected from top to bottom, winding is entangled with section（3）Including section is entangled in flower arrangement（8）, part flower arrangement be entangled with section（9）Be commonly entangled with section（10）, three is sequentially connected, and it is one group that each of Duan Yousi root conducting wires are entangled in flower arrangement, and coiling is entangled in all flower arrangements, and section is entangled in part flower arrangement（9）By four conducting wires, every two are one group, and coiling is entangled in part flower arrangement, and it is one group to be commonly entangled with Duan Yousi root conducting wires, is commonly entangled with coiling, winding continuous segment（11）By four conducting wire continuous coilings.The present invention realizes the ladder transition of entire windings in series capacitance, while being effectively improved impulse voltage distributions, and reduces from being entangled with impulse overvoltage of the section to continuous segment transition position.
Description
Technical field
The present invention relates to a kind of extra-high voltage transformer windings improving impulse voltage distributions, belong to transformer equipment technology
Field.
Background technology
Transformer winding will produce the overvoltage caused by free oscillation inside winding under Impulse Voltage, work as input
One timing of the waveform of voltage and amplitude, the amplitude of free oscillation voltage depend mainly on transformer winding final voltage's distribiuting and
The difference of starting voltage distribution improves starting voltage distribution, makes it as possible close to final voltage's distribiuting, is to reduce free oscillation electricity
The main method of pressure amplitude value.It is a kind of common series connection by increasing winding head end of extra-high voltage transformer to be entangled with Continuous winding
Capacitance come improve starting voltage distribution winding construction.Continuous winding is entangled with by being entangled with formula line cake and continous way line cake this two
It is grouped as, it is big more than continuous segment to be entangled with section series capacitance, therefore can increase the head end series capacitance of winding, but from entangling
Section is tied to continuous segment transition portion since series capacitance changes greatly, the line cake in two parts transition position under surge voltage can be caused
Between can exist very high impulse overvoltage, endanger the security reliability of transformer.
Invention content
It is an object of the present invention to provide a kind of extra-high voltage transformer windings improving impulse voltage distributions, by using by three
What kind of difference was entangled with that formula line cake and continous way line cake constitute is entangled with Continuous winding, realizes the ladder of entire windings in series capacitance
Transition while being effectively improved impulse voltage distributions, and is reduced from impulse overvoltage of the section to continuous segment transition position is entangled with, effectively
Ground solves the above problem present in background technology.
The technical scheme is that：A kind of extra-high voltage transformer winding improving impulse voltage distributions, including winding
Head end, winding are entangled with section, winding continuous segment and winding ends, and the winding head end, winding are entangled with section, winding continuous segment, winding
End is sequentially connected from top to bottom by four conductor in parallel coilings, and it includes that section is entangled in flower arrangement, part flower arrangement is entangled with that winding, which is entangled with section,
Section and commonly be entangled with section, three is sequentially connected, and it is one group that each of Duan Yousi root conducting wires are entangled in flower arrangement, all arrange flowers be entangled with around
System, it is one group that every two of Duan Yousi root conducting wires are entangled in part flower arrangement, and coiling is entangled in part flower arrangement, is commonly entangled with Duan Yousi root conducting wires
It is one group, is commonly entangled with coiling, winding continuous segment is by four conducting wire continuous coilings.
The winding is entangled with section, winding continuous segment is made of line cake, and each line cake is six circles, and each two line cake is one
Unit is interconnected by connecting line between winding wire cake between line cake.
The beneficial effects of the invention are as follows：By using being entangled with formula line cake by three kinds of differences and what continous way line cake was constituted is entangled with
Continuous winding so that the series capacitance of entire winding is from head end to end stairway degression, you can with effectively increase entirely around
Group head end series capacitance, and the ladder transition of entire windings in series capacitance may be implemented, it is effectively improved the same of impulse voltage distributions
When reduce and be entangled with Continuous winding from being entangled with impulse overvoltage of the section to continuous segment transition position.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
In figure：The parallel conducting wire number 1 of winding, winding head end 2, winding are entangled between section 3, line cake 4, line cake code name 5, winding wire cake
Connecting line 6, conducting wire the number of turns code name 7, section 8 is entangled in flower arrangement, section 9 is entangled in part flower arrangement, it is common be entangled with section 10, winding continuous segment 11,
Winding ends 12.
Specific implementation mode
Below in conjunction with attached drawing, by embodiment, the invention will be further described.
It is a kind of improve impulse voltage distributions extra-high voltage transformer winding, including winding head end 2, winding be entangled with section 3, around
Group continuous segment 11 and winding ends 12, the winding head end 2, winding are entangled with section 3, winding continuous segment 11, winding ends 12 by four
Root conductor in parallel coiling, is sequentially connected from top to bottom, and it includes that section 8 is entangled in flower arrangement, 9 and of section is entangled in part flower arrangement that winding, which is entangled with section 3,
It commonly is entangled with section 10, three is sequentially connected, and it is one group that flower arrangement, which is entangled with section 8 by four each of conducting wires, and coiling is entangled in all flower arrangements,
It is one group that part flower arrangement, which is entangled with section 9 by every two of four conducting wires, and coiling is entangled in part flower arrangement, is commonly entangled with section 10 by four conducting wires
It is one group, is commonly entangled with coiling, winding continuous segment 11 is by four conducting wire continuous coilings.
The winding is entangled with section 3, winding continuous segment 11 is made of line cake 4, and each line cake 4 is six circles, each two line cake 4
For a unit, interconnected by connecting line 6 between winding wire cake between line cake 4.
In practical applications, winding is by four conductor in parallel coilings（The parallel conducting wire number 1 of winding be respectively a, b, c,
d）, top is winding head end 2, and lower part is winding ends 12, which is entangled with 11 two parts group of section 3 and winding continuous segment by winding
At it includes that section 8 is entangled in flower arrangement, section 9 is entangled in part flower arrangement and is commonly entangled with 10 three parts of section that winding, which is entangled with section 3, and entire winding is total
There is n1+n2+n3+n4 line cake 4, the line cake code name 5 from winding head end to end is respectively A1:1、A1:2……A1:n1、A2:
1、A2:2……A2:n2、A3:1、A3:2……A3:n3、B:1、B:2……B:N4, each line cake are six circles, each line cake it
Between coupled by connecting line 6 between winding wire cake, every two lines cake be a unit, conductor turns of four conducting wires in a unit
Number code name 7 is respectively 1a, 2a ... ..., 12a, 1b, 2b ... ..., 12b, 1c, 2c ... ..., 12c, 1d, 2d ... ..., 12d.Wherein
Each of 4 conducting wires a, b, c, the d being entangled in 8 sections of section that arrange flowers all arrange flowers for one group to be entangled with, and part flower arrangement is entangled in 9 sections of section
4 conducting wires are entangled with by a, b and c, every two of d for one group of part flower arrangement, be commonly entangled with 4 conducting wires a, b, c, d in 10 sections of section by
Four are commonly entangled with for one group, 4 conducting wire continuous coilings in 11 sections of winding continuous segment.
Since section is entangled in flower arrangement, section is entangled in part flower arrangement, the common series capacitance for being entangled with section and winding continuous segment is passed successively
Subtract, therefore winding successively decreases from head end to terminal tandem capacitive ladders, can not only be effectively improved impulse voltage distributions, but also can be with
Reduction is entangled with Continuous winding from being entangled with impulse overvoltage of the section to continuous segment transition position.
Claims (2)
1. a kind of extra-high voltage transformer winding improving impulse voltage distributions, it is characterised in that：Including winding head end（2）, around
Group is entangled with section（3）, winding continuous segment（11）And winding ends（12）, the winding head end（2）, winding be entangled with section（3）, winding connect
Continuous section（11）, winding ends（12）By four conductor in parallel coilings, it is sequentially connected from top to bottom, winding is entangled with section（3）Including inserting
Flower is entangled with section（8）, part flower arrangement be entangled with section（9）Be commonly entangled with section（10）, three is sequentially connected, and section is entangled in flower arrangement（8）By four
Each of root conducting wire is one group, and coiling is entangled in all flower arrangements, and section is entangled in part flower arrangement（9）By four conducting wires, every two are one group,
Coiling is entangled in part flower arrangement, is commonly entangled with section（10）It is one group by four conducting wires, is commonly entangled with coiling, winding continuous segment（11）By
Four conducting wire continuous coilings.
2. a kind of extra-high voltage transformer winding improving impulse voltage distributions according to claim 1, it is characterised in that：
The winding is entangled with section（3）With winding continuous segment（11）By line cake（4）Composition, each line cake（4）It is six circles, each two line cake
（4）For a unit, line cake（4）Between by connecting line between winding wire cake（6）It interconnects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810528780.5A CN108615602A (en) | 2018-05-29 | 2018-05-29 | A kind of extra-high voltage transformer winding improving impulse voltage distributions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810528780.5A CN108615602A (en) | 2018-05-29 | 2018-05-29 | A kind of extra-high voltage transformer winding improving impulse voltage distributions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108615602A true CN108615602A (en) | 2018-10-02 |
Family
ID=63664400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810528780.5A Pending CN108615602A (en) | 2018-05-29 | 2018-05-29 | A kind of extra-high voltage transformer winding improving impulse voltage distributions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108615602A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466657A (en) * | 2020-11-18 | 2021-03-09 | 保定天威集团特变电气有限公司 | Knotting type coil containing half-turn structure and winding method |
| CN114236318A (en) * | 2021-10-26 | 2022-03-25 | 保定天威保变电气股份有限公司 | Flexible-direct transformer network side and valve side winding series operation impact test method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB587997A (en) * | 1945-01-04 | 1947-05-12 | English Electric Co Ltd | Improvements in inductive windings |
| GB763479A (en) * | 1954-02-19 | 1956-12-12 | English Electric Co Ltd | Improvements in and relating to inductive windings |
| GB857329A (en) * | 1958-08-28 | 1960-12-29 | Oerlikon Maschf | An impulse voltage withstanding winding, more particularly for transformers |
| CN2064928U (en) * | 1990-04-25 | 1990-10-31 | 沈阳变压器厂 | Winding structure of transformer with semi-mixed inserters for correction of high voltage |
| JP2005216977A (en) * | 2004-01-28 | 2005-08-11 | Aichi Electric Co Ltd | Transformer coil |
| CN208157231U (en) * | 2018-05-29 | 2018-11-27 | 保定天威保变电气股份有限公司 | A kind of extra-high voltage transformer winding improving impulse voltage distributions |
-
2018
- 2018-05-29 CN CN201810528780.5A patent/CN108615602A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB587997A (en) * | 1945-01-04 | 1947-05-12 | English Electric Co Ltd | Improvements in inductive windings |
| GB763479A (en) * | 1954-02-19 | 1956-12-12 | English Electric Co Ltd | Improvements in and relating to inductive windings |
| GB857329A (en) * | 1958-08-28 | 1960-12-29 | Oerlikon Maschf | An impulse voltage withstanding winding, more particularly for transformers |
| CN2064928U (en) * | 1990-04-25 | 1990-10-31 | 沈阳变压器厂 | Winding structure of transformer with semi-mixed inserters for correction of high voltage |
| JP2005216977A (en) * | 2004-01-28 | 2005-08-11 | Aichi Electric Co Ltd | Transformer coil |
| CN208157231U (en) * | 2018-05-29 | 2018-11-27 | 保定天威保变电气股份有限公司 | A kind of extra-high voltage transformer winding improving impulse voltage distributions |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466657A (en) * | 2020-11-18 | 2021-03-09 | 保定天威集团特变电气有限公司 | Knotting type coil containing half-turn structure and winding method |
| CN112466657B (en) * | 2020-11-18 | 2022-08-05 | 保定天威集团特变电气有限公司 | Knotting type coil containing half-turn structure and winding method |
| CN114236318A (en) * | 2021-10-26 | 2022-03-25 | 保定天威保变电气股份有限公司 | Flexible-direct transformer network side and valve side winding series operation impact test method |
| CN114236318B (en) * | 2021-10-26 | 2024-03-26 | 保定天威保变电气股份有限公司 | Impact test method for series operation of windings on net side and valve side of flexible direct-current transformer |
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