CN208673895U - A kind of tap-changing windings - Google Patents
A kind of tap-changing windings Download PDFInfo
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- CN208673895U CN208673895U CN201820819549.7U CN201820819549U CN208673895U CN 208673895 U CN208673895 U CN 208673895U CN 201820819549 U CN201820819549 U CN 201820819549U CN 208673895 U CN208673895 U CN 208673895U
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- tap
- voltage regulation
- coil
- regulation coil
- selector
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Abstract
The utility model is related to a kind of tap-changing windings, the voltage regulation coil for being set to same core limb including main coil and at least two-stage, main coil tail head passes through the first head or tail head of polarity selector selective connection first order voltage regulation coil, and first order voltage regulation coil is equipped with several taps；One tap of tap selector selective connection upper level voltage regulation coil simultaneously connects or disconnects next stage voltage regulation coil by selector alternate selection.The utility model can reduce the number of lifting one's head of tap-changing windings, and then reduce lead and tap quantity, reduce lead and arrange difficulty.Meanwhile lowering the leakage field that lead generates, effective control structure part temperature rise of hot spot designs the structure of transformer, and reliability service and cost control have positive effect, meets a wide range of voltage adjustment demand under large capacity.New-type tap-changing windings be both able to satisfy pressure regulation needs, that lead leakage field can be reduced, and development and operation stability to power transformer product have important role.
Description
Technical field
The utility model relates to transformer regulating technical fields, and in particular to a kind of tap-changing windings.
Background technique
Currently, the whole world is just in Devoting Major Efforts To Developing green energy resource, the use of the clean energy resourcies such as light, water, wind gradually increases, and performance is most
It is apparent that the trans-utilization with electric energy.By the 'bottleneck' restrictions of energy storage device, abandonment, abandoning light, abandoning water etc. effectively cause resource wave
Take, therefore China or even the whole world increase conversion and transmission utilization to green energy resource, due to the unstability of this kind of energy, make
The unstability of pairs of power grid, therefore greater impact is caused to transformer equipments such as transformers, it needs frequent progress voltage to adjust, comes
Ensure that energy transmission is stablized.
Currently, the most widely used to carry out voltage adjustment using single tap-changing windings for transformer, range of regulation compared with
It is small.And when facing the adjustment of a wide range of voltage, due to the limitation of large capacity power grid, bring tap to draw since tap-changing windings tap
Line increases, and then lead is caused to generate very big leakage field, generates biggish fuel factor to oil tank of transformer, reinforcement iron etc., influences
The operation stability of power transformer product and service life, and then influence the safety of power grid.
Summary of the invention
In view of the above-mentioned problems, the utility model, which provides one kind, had both been able to satisfy pressure regulation needs, that lead leakage field can be reduced, to change
The development of depressor product and the tap-changing windings of operation stability important role.
To solve the above problems, the technical solution that the utility model is taken are as follows: a kind of tap-changing windings, it is characterised in that: packet
Include main coil and at least two-stage be set to same core limb voltage regulation coil, main coil tail head pass through polarity selector selective connection
The first head or tail head of first order voltage regulation coil, first order voltage regulation coil are equipped with several taps；Tap selector selective connection
One tap of upper level voltage regulation coil simultaneously connects or disconnects next stage voltage regulation coil by selector alternate selection.
Voltage regulation coil is arranged on same core limb, guarantees same magnetic flux.
Tap-changing windings include first order voltage regulation coil and second level voltage regulation coil, the tap selector selective connection first order
One tap of voltage regulation coil simultaneously connects or disconnects second level voltage regulation coil by selector alternate selection, reduces the choosing of switch
Select difficulty.
The polarity selector is unipolarity selector.By polarity selector range of regulation is doubled.
Range of regulation between upper level voltage regulation coil adjacent taps is two times of next stage voltage regulation coil range of regulation.
The range of regulation of second level voltage regulation coil is the half of range of regulation between first order voltage regulation coil adjacent taps, and
Second level voltage regulation coil, alternately in state is switched in or out with first order voltage regulation coil, is equivalent to the during pressure regulation
A tap is increased again among the adjacent taps of level-one voltage regulation coil, to achieve the purpose that increase pressure regulation series.First
Range of regulation between grade voltage regulation coil adjacent taps is 2.5%, and the range of regulation of second level voltage regulation coil is 1.25%.
The utility model can reduce the number of lifting one's head of tap-changing windings, and then reduce lead and tap quantity, and it is difficult to reduce lead arrangement
Degree.Meanwhile lowering the leakage field that lead generates, effective control structure part temperature rise of hot spot designs the structure of transformer, reliability service
And cost control has positive effect, meets a wide range of voltage adjustment demand under large capacity.New-type tap-changing windings can
Meet pressure regulation needs, that lead leakage field can be reduced, development and operation stability to power transformer product have important role.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Specific embodiment
A kind of tap-changing windings, including main coil and set on the first order voltage regulation coil and second level line pressure regulator of same core limb
Circle, main coil tail head pass through the first head or tail head of unipolarity selector selective connection first order voltage regulation coil, first order pressure regulation
Coil is equipped with several taps；One tap of tap selector selective connection first order voltage regulation coil simultaneously passes through selector
Alternate selection connects or disconnects second level voltage regulation coil.
Preferably, the range of regulation between first order voltage regulation coil adjacent taps is 2.5%, the tune of second level voltage regulation coil
Pressing range is 1.25%.
Claims (5)
1. a kind of tap-changing windings, it is characterised in that: main including the voltage regulation coil that main coil and at least two-stage are set to same core limb
Coil tail head passes through the first head or tail head of polarity selector selective connection first order voltage regulation coil, and first order voltage regulation coil is equipped with
Several taps；One tap of tap selector selective connection upper level voltage regulation coil simultaneously passes through selector alternate selection
Connect or disconnect next stage voltage regulation coil.
2. tap-changing windings according to claim 1, it is characterised in that: including first order voltage regulation coil and second level line pressure regulator
Circle, a tap of tap selector selective connection first order voltage regulation coil are simultaneously connected or are broken by selector alternate selection
Open second level voltage regulation coil.
3. tap-changing windings according to claim 1, it is characterised in that: the polarity selector is unipolarity selector.
4. tap-changing windings according to claim 1, it is characterised in that: the pressure regulation between upper level voltage regulation coil adjacent taps
Range is two times of next stage voltage regulation coil range of regulation.
5. tap-changing windings according to claim 2, it is characterised in that: the pressure regulation between first order voltage regulation coil adjacent taps
Range is 2.5%, and the range of regulation of second level voltage regulation coil is 1.25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820819549.7U CN208673895U (en) | 2018-05-29 | 2018-05-29 | A kind of tap-changing windings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820819549.7U CN208673895U (en) | 2018-05-29 | 2018-05-29 | A kind of tap-changing windings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208673895U true CN208673895U (en) | 2019-03-29 |
Family
ID=65824456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820819549.7U Active CN208673895U (en) | 2018-05-29 | 2018-05-29 | A kind of tap-changing windings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208673895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110400688A (en) * | 2019-08-19 | 2019-11-01 | 江苏华鹏变压器有限公司 | Regulator and transformer |
-
2018
- 2018-05-29 CN CN201820819549.7U patent/CN208673895U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110400688A (en) * | 2019-08-19 | 2019-11-01 | 江苏华鹏变压器有限公司 | Regulator and transformer |
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