CN206225162U - A kind of transformer regulating structure for reducing pressure regulation tap lead quantity - Google Patents
A kind of transformer regulating structure for reducing pressure regulation tap lead quantity Download PDFInfo
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- CN206225162U CN206225162U CN201621305673.9U CN201621305673U CN206225162U CN 206225162 U CN206225162 U CN 206225162U CN 201621305673 U CN201621305673 U CN 201621305673U CN 206225162 U CN206225162 U CN 206225162U
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- differential protection
- transverse differential
- exciting windings
- tap
- windings
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- 230000001105 regulatory Effects 0.000 title claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052742 iron Inorganic materials 0.000 claims abstract 3
- 230000000875 corresponding Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 2
- 230000005284 excitation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 210000003414 Extremities Anatomy 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
Abstract
The utility model is related to a kind of transformer regulating structure for reducing pressure regulation tap lead quantity, belongs to technical field of transformer equipment.Technical scheme is：Low pressure winding（2）, the basic winding of high pressure（3）, inclined Exciting Windings for Transverse Differential Protection one（5）, tap-changing windings（4）, inclined Exciting Windings for Transverse Differential Protection two（6）Around iron core（1）It is arranged in order, inclined Exciting Windings for Transverse Differential Protection one（5）, inclined Exciting Windings for Transverse Differential Protection two（6）It is composed in series inclined Exciting Windings for Transverse Differential Protection, inclined Exciting Windings for Transverse Differential Protection one（5）, inclined Exciting Windings for Transverse Differential Protection two（6）Pass through switch transition resistance one respectively（7）, switch transition resistance two（8）Interconnected with switching switch, connect contact and kilo-ohm level potential resistor（9）Interconnect.The beneficial effects of the utility model are：Pressure regulation tap and tap lead quantity can be made to reduce close to half, simplify pressure regulation wire lead structure, improve the security reliability of transformer.
Description
Technical field
The utility model is related to a kind of transformer regulating structure for reducing pressure regulation tap lead quantity, belongs to transformer equipment
Technical field.
Background technology
ULTC has usually required that extensive range of regulation in north America region power system, and other is extraordinary
Transformer often also requires that multistage pressure regulation on a large scale.The traditional voltage regulating mode for using at present, either linear voltage regulation, positive-negative voltage-regulation
Or coarse and fine voltage regulation, cannot all avoid the pressure regulation tap that causes because pressure regulation series is numerous and tap lead quantity excessive,
Cause pressure regulation wire lead structure complicated.Especially when tap-changing windings dielectric level is higher, pressure regulation tap lead arrangement is extremely stranded
Difficulty, security reliability is poor, and relatively costly.
Utility model content
The utility model purpose is to provide a kind of transformer regulating structure for reducing pressure regulation tap lead quantity, except tradition
Tap-changing windings outside, also increased inclined Exciting Windings for Transverse Differential Protection in transformer stem, used cooperatively by with on-load voltage regulating switch, can be with
Pressure regulation tap and tap lead quantity is reduced close to half in the case where pressure regulation series is constant, simplify pressure regulation tap lead
Structure, efficiently solves above mentioned problem present in background technology.
The technical solution of the utility model is：A kind of transformer regulating structure for reducing pressure regulation tap lead quantity, comprising
The basic winding of iron core, low pressure winding, high pressure, tap-changing windings, inclined Exciting Windings for Transverse Differential Protection one, inclined Exciting Windings for Transverse Differential Protection two, switch transition resistance one,
Switch transition resistance two and kilo-ohm level potential resistor, the basic winding of the low pressure winding, high pressure, inclined Exciting Windings for Transverse Differential Protection one, pressure regulation
Winding, inclined Exciting Windings for Transverse Differential Protection two are from inside to outside arranged in order around iron core, inclined Exciting Windings for Transverse Differential Protection one, tap-changing windings, inclined Exciting Windings for Transverse Differential Protection two
Three is radial to be axially arranged above and below in same position, and inclined Exciting Windings for Transverse Differential Protection one is in upper axial end position, and tap-changing windings are in axle
To centre position, inclined Exciting Windings for Transverse Differential Protection two is in lower axial end position, and inclined Exciting Windings for Transverse Differential Protection one, inclined Exciting Windings for Transverse Differential Protection two pass through outside lead
Inclined Exciting Windings for Transverse Differential Protection is composed in series mutually, and series connection contact is sequentially connected with public output of a kilo-ohm level potential resistor, switch,
Inclined Exciting Windings for Transverse Differential Protection one, inclined Exciting Windings for Transverse Differential Protection two are mutual with switching switch by switch transition resistance one, switch transition resistance two respectively
Connection.
One end of the inclined Exciting Windings for Transverse Differential Protection one is connected to one side of switching switch, and the other end is corresponding to switching switch another side
Tap selector draw contact and interconnect, one end of inclined Exciting Windings for Transverse Differential Protection two is connected to one side of switching switch, the other end with
The corresponding tap selector in switching switch another side is drawn contact and is interconnected.
The inclined Exciting Windings for Transverse Differential Protection one, the equal turn numbers of inclined Exciting Windings for Transverse Differential Protection two.
The tap-changing windings, inclined Exciting Windings for Transverse Differential Protection one, inclined Exciting Windings for Transverse Differential Protection two are sped structure, each individually coiling.
The beneficial effects of the utility model are：Increase inclined Exciting Windings for Transverse Differential Protection by transformer stem, and opened with on-load voltage regulation
What is closed is used cooperatively, and pressure regulation tap and tap lead quantity can be made to reduce close to one in the case where pressure regulation series is constant
Half, simplify pressure regulation wire lead structure, improve the security reliability of transformer.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model；
One electrical schematic diagram the step of shunting switch pressure regulation when Fig. 2 is the utility model positive-negative voltage-regulation；
Two electrical schematic diagrams the step of shunting switch pressure regulation when Fig. 3 is the utility model positive-negative voltage-regulation；
Three electrical schematic diagrams the step of shunting switch pressure regulation when Fig. 4 is the utility model positive-negative voltage-regulation；
Four electrical schematic diagrams the step of shunting switch pressure regulation when Fig. 5 is the utility model positive-negative voltage-regulation；
In figure：Unshakable in one's determination 1, the basic winding 3 of low pressure winding 2, high pressure, tap-changing windings 4, inclined Exciting Windings for Transverse Differential Protection 1, inclined Exciting Windings for Transverse Differential Protection
26, switch transition resistance 1, switch transition resistance 28, kilo-ohm level potential resistor 9.
Specific embodiment
Below in conjunction with accompanying drawing, by embodiment, the utility model is described in further detail.
A kind of transformer regulating structure for reducing pressure regulation tap lead quantity, it is basic comprising unshakable in one's determination 1, low pressure winding 2, high pressure
Winding 3, tap-changing windings 4, inclined Exciting Windings for Transverse Differential Protection 1, inclined Exciting Windings for Transverse Differential Protection 26, switch transition resistance 1, the and of switch transition resistance 28
Kilo-ohm level potential resistor 9, the basic winding 3 of the low pressure winding 2, high pressure, inclined Exciting Windings for Transverse Differential Protection 1, tap-changing windings 4, inclined excitation
Winding 26 is from inside to outside arranged in order around unshakable in one's determination 1, inclined Exciting Windings for Transverse Differential Protection 1, tap-changing windings 4, the three's spoke of inclined Exciting Windings for Transverse Differential Protection 26
To in same position, axially it is arranged above and below, inclined Exciting Windings for Transverse Differential Protection 1 is in upper axial end position, tap-changing windings 4 are in axial direction
Between position, inclined Exciting Windings for Transverse Differential Protection 26 be in lower axial end position, inclined Exciting Windings for Transverse Differential Protection 1, inclined Exciting Windings for Transverse Differential Protection 26 pass through outside lead
Inclined Exciting Windings for Transverse Differential Protection is composed in series mutually, and series connection contact connects successively with public output of a kilo-ohm level potential resistor 9, switch
Connect, inclined Exciting Windings for Transverse Differential Protection one, inclined Exciting Windings for Transverse Differential Protection two are switched by switch transition resistance 1, switch transition resistance 28 and switching respectively
Interconnect.
One end of the inclined Exciting Windings for Transverse Differential Protection one is connected to one side of switching switch, and the other end is corresponding to switching switch another side
Tap selector draw contact and interconnect, one end of inclined Exciting Windings for Transverse Differential Protection two is connected to one side of switching switch, the other end with
The corresponding tap selector in switching switch another side is drawn contact and is interconnected.
The inclined Exciting Windings for Transverse Differential Protection 1, the equal turn numbers of inclined Exciting Windings for Transverse Differential Protection 26.
The tap-changing windings 4, inclined Exciting Windings for Transverse Differential Protection one, inclined Exciting Windings for Transverse Differential Protection two are sped structure, each individually coiling.
Iron core can select single-phase or three-phase structure according to transformer parameter.From inside to outside coils arrangement order is core limb
Low pressure winding LV, high pressure basic winding HV, the PV1 of inclined Exciting Windings for Transverse Differential Protection one, tap-changing windings TV, the PV2 of inclined Exciting Windings for Transverse Differential Protection two.
To realize that constant flux voltage regulation transformer reduces the purpose of pressure regulation tap and tap lead, inclined Exciting Windings for Transverse Differential Protection is set.
The inclined Exciting Windings for Transverse Differential Protection number of turn is equivalent to the number of turn for producing rated step voltage, while making every grade of number of turn of tap-changing windings TV be equivalent to product
The number of turn of raw twice step voltage.Inclined Exciting Windings for Transverse Differential Protection and tap-changing windings TV use sped structure, each individually coiling.In order that
Inclined Exciting Windings for Transverse Differential Protection participates in each tap during pressure regulation has good ampere-turn equilibrium, and inclined Exciting Windings for Transverse Differential Protection is divided into the PV1 of inclined Exciting Windings for Transverse Differential Protection one
With the PV2 two parts of inclined Exciting Windings for Transverse Differential Protection two, PV1 and PV2 equal turn numbers, the half being, PV1 and PV2 are composed in series by lead
Inclined Exciting Windings for Transverse Differential Protection.
One end of inclined Exciting Windings for Transverse Differential Protection is connected to one side of switching switch, another to terminate at switching switch that this is corresponding on one side
Tap selector is drawn on contact.So, even if tap selector is connected on a tap, but due to one side of switching switch
Go here and there into inclined Exciting Windings for Transverse Differential Protection, can but obtain two output voltages, first voltage is related tap（Directly）Output electricity
Pressure, second voltage is that related tap output voltage subtracts inclined magnet exciting coil voltage, thus tap-changing windings number of taps only
Need common half.
In addition, when switch contact is switched to during unselected tap from having selected, switching selecting switch contact system and switching
When switch side could not connect, inclined Exciting Windings for Transverse Differential Protection has floating potential.Suspend herein moment, the floating potential of inclined Exciting Windings for Transverse Differential Protection takes
Certainly in the coupled capacitor of inclined Exciting Windings for Transverse Differential Protection to adjacent part.Therefore the center section of inclined Exciting Windings for Transverse Differential Protection is passed through into kilo-ohm level current potential
Resistor is connected on a fixed potential, is typically connected on public output of switching switch.
In actual applications, during positive-negative voltage-regulation shunting switch pressure regulation four consecutive steps.Step 1 is one voltage of tap,
Step 2 is that one voltage of tap subtracts inclined Exciting Windings for Transverse Differential Protection PV voltages, and step 3 is two voltages of tap, and step 4 is that two voltages of tap are subtracted
Inclined Exciting Windings for Transverse Differential Protection voltage.Each tap so in tap-changing windings can export two kinds of voltages.
Claims (4)
1. it is a kind of reduce pressure regulation tap lead quantity transformer regulating structure, it is characterised in that：Comprising iron core（1）, low pressure around
Group（2）, the basic winding of high pressure（3）, tap-changing windings（4）, inclined Exciting Windings for Transverse Differential Protection one（5）, inclined Exciting Windings for Transverse Differential Protection two（6）, switch transition electricity
Resistance one（7）, switch transition resistance two（8）With a kilo-ohm level potential resistor（9）, the low pressure winding（2）, the basic winding of high pressure
（3）, inclined Exciting Windings for Transverse Differential Protection one（5）, tap-changing windings（4）, inclined Exciting Windings for Transverse Differential Protection two（6）Around iron core（1）From inside to outside it is arranged in order, partially
Exciting Windings for Transverse Differential Protection one（5）, tap-changing windings（4）, inclined Exciting Windings for Transverse Differential Protection two（6）Three is radial to be axially arranged above and below in same position, partially
Exciting Windings for Transverse Differential Protection one（5）In upper axial end position, tap-changing windings（4）In axial centre position, inclined Exciting Windings for Transverse Differential Protection two（6）It is in
Lower axial end position, inclined Exciting Windings for Transverse Differential Protection one（5）, inclined Exciting Windings for Transverse Differential Protection two（6）Be composed in series mutually by outside lead inclined excitation around
Group, series connection contact and kilo-ohm level potential resistor（9）, switch public output be sequentially connected, inclined Exciting Windings for Transverse Differential Protection one, encourage partially
Magnetic winding two passes through switch transition resistance one respectively（7）, switch transition resistance two（8）Interconnected with switching switch.
2. it is according to claim 1 it is a kind of reduce pressure regulation tap lead quantity transformer regulating structure, it is characterised in that：
One end of the inclined Exciting Windings for Transverse Differential Protection one is connected to one side of switching switch, and the other end switchs that another side is corresponding taps choosing with switching
Select device and draw contact interconnection, one end of inclined Exciting Windings for Transverse Differential Protection two is connected to one side of switching switch, the other end and switching switch
The corresponding tap selector in another side is drawn contact and is interconnected.
3. it is according to claim 1 it is a kind of reduce pressure regulation tap lead quantity transformer regulating structure, it is characterised in that：
The inclined Exciting Windings for Transverse Differential Protection one（5）, inclined Exciting Windings for Transverse Differential Protection two（6）Equal turn numbers.
4. it is according to claim 1 it is a kind of reduce pressure regulation tap lead quantity transformer regulating structure, it is characterised in that：
The tap-changing windings（4）, inclined Exciting Windings for Transverse Differential Protection one, inclined Exciting Windings for Transverse Differential Protection two be sped structure, each individually coiling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621305673.9U CN206225162U (en) | 2016-12-01 | 2016-12-01 | A kind of transformer regulating structure for reducing pressure regulation tap lead quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621305673.9U CN206225162U (en) | 2016-12-01 | 2016-12-01 | A kind of transformer regulating structure for reducing pressure regulation tap lead quantity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206225162U true CN206225162U (en) | 2017-06-06 |
Family
ID=58783752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621305673.9U Active CN206225162U (en) | 2016-12-01 | 2016-12-01 | A kind of transformer regulating structure for reducing pressure regulation tap lead quantity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206225162U (en) |
-
2016
- 2016-12-01 CN CN201621305673.9U patent/CN206225162U/en active Active
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