CN205487707U - On -load voltage -regulating transformer's voltage regulation coil integrated configuration - Google Patents
On -load voltage -regulating transformer's voltage regulation coil integrated configuration Download PDFInfo
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- CN205487707U CN205487707U CN201620257093.0U CN201620257093U CN205487707U CN 205487707 U CN205487707 U CN 205487707U CN 201620257093 U CN201620257093 U CN 201620257093U CN 205487707 U CN205487707 U CN 205487707U
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- voltage regulation
- regulation coil
- pressure voltage
- high pressure
- coil
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Abstract
The utility model relates to an on -load voltage -regulating transformer's voltage regulation coil integrated configuration, including high -pressure voltage regulation coil and middling pressure voltage regulation coil, two parts about high pressure voltage regulation coil divide into, middling pressure voltage regulation coil is located between upper portion high pressure voltage regulation coil and the lower part high pressure voltage regulation coil, upper portion high pressure voltage regulation coil and lower part high pressure voltage regulation coil parallel connection, on, lower part high pressure voltage regulation coil adopt respectively the double helix formula structure right side around to, wind to the coiling on a left side, and unshift between strand, half locates the transposition once to parallelly connected wire at coil height separately in strand, the wire adopts the series connection between strand, wind to the coiling on a middling pressure voltage regulation coil adoption double helix formula structure left side, and unshift between strand, adopt the series connection between strand between the wire. The beneficial effects of the utility model are that: two parts about divideing into through high -pressure voltage regulation coil are and parallelly connected each other for the ampere -turn more tend to be balanced that distributes when high pressure voltage regulation coil shunting switches, horizontal magnetic leakage is little, and the electric power is also little during the short circuit.
Description
Technical field
This utility model relates to the voltage regulation coil combinative structure of a kind of ULTC.
Background technology
Chinese patent literature CN201601006U discloses the voltage regulation coil structure of a kind of ULTC,
Including middle pressure voltage regulation coil and high pressure voltage regulation coil, described high pressure voltage regulation coil is divided into upper and lower two parts, up and down
Two parts are connected；Medium pressure voltage regulation coil is arranged between two parts up and down of high pressure voltage regulation coil.
High pressure voltage regulation coil and middle pressure voltage regulation coil are wound on the hard insulating cylinder assembly parts that 4mm is thick respectively, and outside is adopted
With locking stay locking；High pressure voltage regulation coil top, middle pressure voltage regulation coil and high pressure voltage regulation coil bottom are successively
Axially suit.The upper and lower end face of high pressure voltage regulation coil and middle pressure voltage regulation coil all arranges the end circle that 20mm is thick.Institute
Stating high pressure voltage regulation coil top away from high-tension coil head end clear distance ＞ 160mm, high pressure voltage regulation coil bottom is clean away from iron yoke
Away from clear distance ＞ 160mm between ＞ 120mm, described high pressure voltage regulation coil and middle pressure voltage regulation coil.
Column defects in the presence of above-mentioned art solutions: 1) due to high pressure voltage regulation coil connected by upper and lower two parts,
± 8 × 1.25% grade of pressure regulation is realized, when partly or entirely taking out of top or bottom voltage regulation coil through forward and reverse switching
During head excision, horizontal leakage field will be formed on top or bottom, when external short circuit by bigger in axially generation
Electric power；2) high pressure voltage regulation coil to clear distance ＞ 160mm and 120mm height between middle pressure voltage regulation coil by cushion block
Constituting, whole voltage regulation coil structure is the compactest, mechanical stability is poor；3) high pressure voltage regulation coil top and the bottom and
Middle pressure voltage regulation coil uses sleeve type arrangement, adds complex procedures；4) high-tension coil head terminal horizontal is drawn
Going out so that the insulation distance between high-tension coil and voltage regulation coil strengthens, whole device body height of C.G. increases, knot
Structure less stable, adds the effectively material cost such as silicon steel, oil and steel plate simultaneously.
Utility model content
The technical problems to be solved in the utility model is: provide the voltage regulation coil group of a kind of ULTC
Close structure, solve the leakage field equilibrium problem during high pressure voltage regulation coil tap switching of top and the bottom.
This utility model solves its technical problem and be the technical scheme is that a kind of ULTC
Voltage regulation coil combinative structure, including high pressure voltage regulation coil and middle pressure voltage regulation coil, high pressure voltage regulation coil is divided into
Lower two parts, are top high pressure voltage regulation coil and bottom high pressure voltage regulation coil respectively, and middle pressure voltage regulation coil is positioned at
Between top high pressure voltage regulation coil and bottom high pressure voltage regulation coil, top high pressure voltage regulation coil and bottom high pressure are adjusted
Line ball circle is connected in parallel, and top high pressure voltage regulation coil, bottom high pressure voltage regulation coil and middle pressure voltage regulation coil are same
Arranging on one axis, top high pressure voltage regulation coil uses double-screw type structure right around to coiling, and between stock not
Transposition, in stock, parallel conducting wire replaces once at respective coil height half, and between stock, wire uses and is connected in series,
Bottom high pressure voltage regulation coil uses double-screw type structure left around to coiling, and does not replaces between stock, in parallel in stock
Wire replaces once at respective coil height half, and between stock, wire uses and is connected in series, middle pressure voltage regulation coil
Use double-screw type structure left around to coiling, and do not replace between stock, use between wire between stock and be connected in series.
Limit further, top high pressure voltage regulation coil, bottom high pressure voltage regulation coil and middle pressure voltage regulation coil coiling
On same insulating cylinder assembly parts.
Limit further, top high pressure voltage regulation coil, bottom high pressure voltage regulation coil and the two of middle pressure voltage regulation coil
End is mounted on the inside and outside square ring that is staggeredly placed, in high pressure voltage regulation coil upper end, top, top high pressure line pressure regulator
Enclose between middle pressure voltage regulation coil, between middle pressure voltage regulation coil and bottom high pressure voltage regulation coil and bottom high
Pressure voltage regulation coil lower end arranges insulating end ring and carries out dielectric separation, at top high pressure voltage regulation coil, bottom high pressure
The voltage regulation coil outer wrap locking stay that voltage regulation coil and middle pressure voltage regulation coil are constituted, locking stay outer wrapping is enclosed
Screen.
Limit further, top high pressure voltage regulation coil, bottom high pressure voltage regulation coil and the line of middle pressure voltage regulation coil
Circle lead-out wire uses the mode of radial extraction to draw.
Limiting further, insulating cylinder assembly parts are made up of insulating cylinder and T-shaped stay, and T-shaped stay is along outside insulating cylinder
Side circumference equal dividing is uniform.
The beneficial effects of the utility model are: be divided into upper and lower two parts and the most also by high pressure voltage regulation coil
Connection so that during the tap switching of high pressure voltage regulation coil, ampere-turn is distributed more towards balance, and horizontal leakage field is little, during short circuit
Electric power is the least；Use that square ring inside and outside end turn reduces between high pressure voltage regulation coil and middle pressure voltage regulation coil is exhausted
Edge distance, makes whole transformer device structure compacter, effectively reduces material cost；Pressure voltage regulation coil high, middle
All it is wound on same insulating cylinder assembly parts, insulating end ring is installed between end turn and coil, contributes to carrying
The axial mechanical stability of high coil, improves voltage regulation coil resistance to shorting mechanical strength；Locking outside voltage regulation coil
Stay and screen play oil stream guide effect, coil good heat dissipation effect, and can reduce phase insulation distance.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings；
Fig. 1 is the elementary diagram of high-tension coil of the present utility model；
Fig. 2 is the structural representation of voltage regulation coil of the present utility model；
Fig. 3 is the structural representation of insulating cylinder assembly parts of the present utility model；
In figure, 1. top high pressure voltage regulation coil, 2. bottom high pressure voltage regulation coil, 3. in press voltage regulation coil, 4.
Insulating cylinder assembly parts, 4-1. insulating cylinder, 4-2.T type stay, 5. inside and outside square ring, 6. insulating end ring, 7. locking
Stay, 8. screen, 9. lead-out wires of coil, the 10. contact of tap changer, 11. high-tension coils.
Detailed description of the invention
As shown in Figure 1,2 and 3, the voltage regulation coil combinative structure of a kind of ULTC, including high pressure
Voltage regulation coil and middle pressure voltage regulation coil 3, high pressure voltage regulation coil is divided into upper and lower two parts, is that top high pressure is adjusted respectively
Line ball circle 1 and bottom high pressure voltage regulation coil 2, middle pressure voltage regulation coil 3 be positioned at top high pressure voltage regulation coil 1 and under
Between portion's high pressure voltage regulation coil 2, top high pressure voltage regulation coil 1 and bottom high pressure voltage regulation coil 2 are connected in parallel,
Top high pressure voltage regulation coil 1, bottom high pressure voltage regulation coil 2 and middle pressure voltage regulation coil 3 are arranged on the same axis,
Top high pressure voltage regulation coil 1 use 8 strands and around wire be divided into two groups right around to coiling by double-screw type structure,
And not replacing between stock, in stock, parallel conducting wire replaces once at respective coil height half, bottom high pressure is adjusted
Line ball circle 2 use 8 strands and around wire be divided into two groups left around to coiling by double-screw type structure, and between stock not
Transposition, in stock, parallel conducting wire replaces once at respective coil height half, and middle pressure voltage regulation coil 3 uses certainly
Viscosity transposed conductor be divided into two groups left around to coiling by double-screw type structure, and do not replace between stock, lead between stock
Use between line and be connected in series.High-tension coil 11 lift one's head employing axial lead mode.Top high pressure voltage regulation coil
1, the lead-out wires of coil 9 of bottom high pressure voltage regulation coil 2 and middle pressure voltage regulation coil 3 uses the mode of radial extraction
Draw.As it is shown in figure 1, the lead-out wires of coil 9 of high pressure voltage regulation coil is respectively with the contact 10 of tap changer even
Connect.
Top high pressure voltage regulation coil 1, middle pressure voltage regulation coil 3 and bottom high pressure voltage regulation coil 2 are wound on same successively
One on pre-processed insulating cylinder assembly parts 4.Insulating cylinder assembly parts 4 are by insulating cylinder 4-1 and T-shaped
Stay 4-2 forms, and T-shaped stay 4-2 is uniform along insulating cylinder 4-1 outer circumference decile, T-shaped stay 4-2 mono-
End flushes with insulating cylinder 4-1, and the other end stretches out insulating cylinder 4-1 about 200～about 250mm, T-shaped stay 4-2
Cutting with notch along insulating cylinder 4-1 edge, insulating cylinder 4-1 is surrounded by 3～4mm hardboards overlap joints, lap-joint
Beating slope and bond with insulating cement and the molding that is heating and curing, a bracing bars is placed by lap-joint.
The two ends of top high pressure voltage regulation coil 1, bottom high pressure voltage regulation coil 2 and middle pressure voltage regulation coil 3 are respectively mounted
The cardboard thick with 0.5mm being staggeredly placed is had to be pressed into the inside and outside square ring 5 of bending forming after Concha Arcae.More specifically,
Inside and outside square ring 5 is placed on top high pressure voltage regulation coil 1, bottom high pressure voltage regulation coil 2 and middle pressure voltage regulation coil 3
At two ends the first circle and last circle wire.
Between high pressure voltage regulation coil 1 upper end, top, top high pressure voltage regulation coil 1 and middle pressure voltage regulation coil 3,
Between middle pressure voltage regulation coil 3 and bottom high pressure voltage regulation coil 2 and high pressure voltage regulation coil 2 lower end, bottom sets
Putting the insulating end ring 6 combined by some hardboard roll-formings and carry out dielectric separation, insulating end ring 6 is led
Line lift one's head place rounding process, high pressure voltage regulation coil and middle pressure voltage regulation coil 3 spacings≤150mm.
In the pressure regulation that top high pressure voltage regulation coil 1, bottom high pressure voltage regulation coil 2 and middle pressure voltage regulation coil 3 are constituted
Coil outer wrap locking stay 7, locks stay 7 outer wrapping screen 8, and screen 8 is overlapped by two 3mm cardboards
Form.Screen 8 has rectangular outlet mouth, rectangular outlet mouth chamfered, all pressure regulation at lead-out wire 9
The equal rectangular outlet mouth of lead-out wires of coil 9 of coil is radial to be drawn out to outside screen 8.
The enforcement of the technical program can simplify manufacturing procedure on the basis of present technology further, improves raw
Produce efficiency, economy and reliability.
Claims (5)
1. a voltage regulation coil combinative structure for ULTC, is characterized in that: include high pressure line pressure regulator
Circle and middle pressure voltage regulation coil (3), high pressure voltage regulation coil is divided into upper and lower two parts, is top high pressure pressure regulation respectively
Coil (1) and bottom high pressure voltage regulation coil (2), middle pressure voltage regulation coil (3) is positioned at top high pressure line pressure regulator
Between circle (1) and bottom high pressure voltage regulation coil (2), top high pressure voltage regulation coil (1) and bottom high pressure are adjusted
Line ball circle (2) is connected in parallel, top high pressure voltage regulation coil (1), bottom high pressure voltage regulation coil (2) and in
Pressure voltage regulation coil (3) is arranged on the same axis,
Top high pressure voltage regulation coil (1) uses double-screw type structure right around to coiling, and does not replaces between stock,
In stock, parallel conducting wire replaces once at respective coil height half, and between stock, wire uses and is connected in series,
Bottom high pressure voltage regulation coil (2) uses double-screw type structure left around to coiling, and does not replaces between stock,
In stock, parallel conducting wire replaces once at respective coil height half, and between stock, wire uses and is connected in series,
Middle pressure voltage regulation coil (3) uses double-screw type structure left around to coiling, and does not replaces between stock, between stock
Use between wire and be connected in series.
The voltage regulation coil combinative structure of ULTC the most according to claim 1, is characterized in that:
Described top high pressure voltage regulation coil (1), bottom high pressure voltage regulation coil (2) and middle pressure voltage regulation coil (3)
It is wound on same insulating cylinder assembly parts (4).
The voltage regulation coil combinative structure of ULTC the most according to claim 1, is characterized in that:
Described top high pressure voltage regulation coil (1), bottom high pressure voltage regulation coil (2) and middle pressure voltage regulation coil (3)
Two ends be mounted on the inside and outside square ring (5) that is staggeredly placed,
In high pressure voltage regulation coil (1) upper end, top, top high pressure voltage regulation coil (1) and middle pressure voltage regulation coil
(3) between, between middle pressure voltage regulation coil (3) and bottom high pressure voltage regulation coil (2) and the high pressure of bottom
Voltage regulation coil (2) lower end arranges insulating end ring (6) and carries out dielectric separation,
On top high pressure voltage regulation coil (1), bottom high pressure voltage regulation coil (2) and middle pressure voltage regulation coil (3)
Voltage regulation coil outer wrap locking stay (7) constituted, locking stay (7) outer wrapping screen (8).
The voltage regulation coil combinative structure of ULTC the most according to claim 1, is characterized in that:
Described top high pressure voltage regulation coil (1), bottom high pressure voltage regulation coil (2) and middle pressure voltage regulation coil (3)
Lead-out wires of coil (9) use the mode of radial extraction to draw.
The voltage regulation coil combinative structure of ULTC the most according to claim 2, is characterized in that:
Described insulating cylinder assembly parts (4) are made up of insulating cylinder (4-1) and T-shaped stay (4-2), T-shaped stay
(4-2) uniform along insulating cylinder (4-1) outer circumference decile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257093.0U CN205487707U (en) | 2016-03-30 | 2016-03-30 | On -load voltage -regulating transformer's voltage regulation coil integrated configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257093.0U CN205487707U (en) | 2016-03-30 | 2016-03-30 | On -load voltage -regulating transformer's voltage regulation coil integrated configuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205487707U true CN205487707U (en) | 2016-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620257093.0U Expired - Fee Related CN205487707U (en) | 2016-03-30 | 2016-03-30 | On -load voltage -regulating transformer's voltage regulation coil integrated configuration |
Country Status (1)
| Country | Link |
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| CN (1) | CN205487707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655112A (en) * | 2016-03-30 | 2016-06-08 | 常州东芝舒电变压器有限公司 | Regulating winding combination structure of on-load voltage regulating transformer |
-
2016
- 2016-03-30 CN CN201620257093.0U patent/CN205487707U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655112A (en) * | 2016-03-30 | 2016-06-08 | 常州东芝舒电变压器有限公司 | Regulating winding combination structure of on-load voltage regulating transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20190330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |