CN206059124U - The double division dry type transformer structures of 3 D stereo volume iron core - Google Patents
The double division dry type transformer structures of 3 D stereo volume iron core Download PDFInfo
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- CN206059124U CN206059124U CN201620981242.8U CN201620981242U CN206059124U CN 206059124 U CN206059124 U CN 206059124U CN 201620981242 U CN201620981242 U CN 201620981242U CN 206059124 U CN206059124 U CN 206059124U
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Abstract
The utility model discloses a kind of 3 D stereo volume iron core is double to divide dry type transformer structure, 3 D stereo volume iron core is fixed between upper clamping piece and lower clamping piece, and lower clamping piece is fixed on transformer feet.Three-phase low-voltage coil and high-tension coil are rotating around on three stems that 3 D stereo rolls up iron core, and concentric with three stems that 3 D stereo rolls up iron core place.Low-voltage coil is placed between the stem and high-tension coil of 3 D stereo volume iron core.This utility model three-phase high and low pressure side Wiring area is completely separable, and three-phase low-voltage side terminal is upper and lower separate, is easy to terminal block.Solve the problems, such as that three-phase low-voltage coil head end and end all can not be in the same side whole outlets.It is adapted to three-phase magnetic circuit balance, power savings significantly, do not produce triple-frequency harmonics, 3 D stereo volume iron core the advantages of noise is little is double to divide dry-type transformer.
Description
Technical field
This utility model is related to 3 D stereo reel iron core transformer, more particularly, to a kind of double divisions of 3 D stereo volume iron core
Dry type transformer structure.
Background technology
Double division dry-type transformers are mainly used in wind-power electricity generation and photovoltaic generation etc..Traditional double divides dry-type transformer
Plane laminated core structure structure, it is uneven unloaded that this core structure causes traditional double division dry-type transformer to there is three-phase magnetic circuit
It is lost, no-load current is big, triple-frequency harmonics is big, the shortcoming that noise is big.
The content of the invention
The purpose of this utility model be a kind of three-phase magnetic circuit balance is provided, open circuit loss is greatly reduced and no-load current,
Do not produce that triple-frequency harmonics, noise be little, the double division dry type transformer structures of the significant 3 D stereo volume iron core of power savings, it solves
The structure arrangement of traditional double division dry-type transformer is not suitable for the problem of the double division dry-type transformers of 3 D stereo volume iron core.
What the purpose of this utility model was realized in：
A kind of 3 D stereo volume iron core is double to divide dry type transformer structure, including 3 D stereo volume iron core, it is characterised in that：
3 D stereo volume iron core is fixed between upper clamping piece and lower clamping piece, and lower clamping piece is fixed on transformer feet；
Three-phase low-voltage coil and high-tension coil are rotating around on three stems that 3 D stereo rolls up iron core, and and 3 D stereo
Three stems of volume iron core are placed with one heart；Low-voltage coil is placed between the stem and high-tension coil of 3 D stereo volume iron core；Three
Phase low-voltage coil and high-tension coil are all divided into upper and lower two parts；Three-phase low-voltage coil and three-phase high-voltage coil are located at three-dimensional
The stem top half of three-dimensional winding iron core；Three-phase low-voltage lower coil and three-phase high-voltage lower coil are located at the heart that 3 D stereo rolls up iron core
Post the latter half；Three-phase low-voltage coil and high-tension coil are placed on lower clamping piece, be lined with insulant and do between lower clamping piece and coil
Hard briquetting and soft briquetting；Three-phase high and low pressure coil top is lined with soft briquetting and hard briquetting, with the fastening being fixed on upper clamping piece
Standard component compresses hard briquetting, while also compressing three-phase high and low pressure coil, is fixed between upper clamping piece and lower clamping piece；
A low pressure upper connecting terminal row, b low pressure upper connecting terminal row and c low pressure upper connecting terminal row are fixed on upper clamping piece
The same side, a low pressure lower connecting terminal row, b low pressure lower connecting terminal row and c low pressure lower connecting terminal row be all fixed on lower clamping piece
The same side, and with a, b, c three-phase low-voltage upper connecting terminal row in folder the same side；A, B, C three-phase high-voltage terminals are all
The same side of upper clamping piece is fixed on, at a, b, c three-phase low-voltage upper connecting terminal row and a, b, c three-phase low-voltage lower connecting terminal row
In the not homonymy of folder；
Three-phase low-voltage coil head end and end lead-out wire are all from the upper end outlet of three-phase low-voltage coil；A phase low pressure is reached the standard grade
Circle head end lead-out wire is welded with row is connected on a, and b phase low pressure coil head end lead-out wires are welded with row is connected on b, in c phase low pressure
Coil head end lead-out wire is welded with row is connected on c；On wherein a, connection row is connected with a low pressure upper terminals row fastening standard component, c
Upper connection row is connected with c low pressure upper terminals row fastening standard component；Because b phase low pressure coil head end lead-out wires can not be with a phases
Low pressure coil head end lead-out wire and c phase low pressure coil head end lead-out wires are in the same side outlet, so being arranged first using connection on b
It is connected with copper busbar in b phases, in b phases, copper busbar is connected with b upper connecting terminals row fastening standard component again；Copper busbar point in b phases
For two sections, connect copper busbar in two sections of b phases with connection row and fastening standard component；Connect on a phase low pressure coil end lead-out wires and x
Run in welding, b phase low pressure coil end lead-out wires be connected row's welding on y, on c phase low pressure coil end lead-out wires and z
Connection row's welding；On wherein y connection row be connected with copper busbar in y phases, in y phases copper busbar be connected on z arrange connect, then with x on
Connection row's connection；The lead of above-mentioned three-phase low-voltage coil connects and composes Astrocytic conditioned medium structure；In y phases, copper busbar is divided into two sections,
Connect copper busbar in two sections of y phases with connection row and fastening standard component；Copper busbar in copper busbar, y phases, connection row, a low pressure in b phases
Upper terminal row, b low pressure upper terminal row, c low pressure upper terminal arrange arrangement parallel with the side of upper clamping piece；Connection row and b phases on b
The connection with copper busbar in y phases, copper busbar and the connection for being connected row on z, y phases in y phases are arranged in the connection of upper copper busbar, connection on y
Upper copper busbar and the connection for being connected row on x are all directly welding or are connected with fastening standard component.
Three-phase low-voltage lower coil head end and end lead-out wire are all from the lower end outlet of three-phase low-voltage lower coil.A phase low pressure is offline
Circle head end lead-out wire is welded with row is connected under a, and b phase low pressure lower coil head end lead-out wires are welded with row is connected under b, under c phase low pressure
Coil head end lead-out wire is welded with row is connected under c.Under wherein a, connection row is connected with low-voltage terminal row fastening standard component under a, c
Lower connection row is connected with low-voltage terminal row fastening standard component under c.Because b phase low pressure lower coil head end lead-out wires can not be with a phases
Low pressure lower coil head end lead-out wire and c phase low pressure lower coil head end lead-out wires are in the same side outlet, so being arranged first using connection under b
It is connected with copper busbar under b phases, under b phases, copper busbar is connected with b lower connecting terminals row fastening standard component again.Copper busbar point under b phases
For two sections, connect copper busbar under two sections of b phases with connection row and fastening standard component.Connect under a phase low pressure lower coil end lead-out wires and x
Run in welding, b phase low pressure lower coil end lead-out wires be connected row's welding under y, under c phase low pressure lower coil end lead-out wires and z
Connection row's welding.Under wherein y connection row be connected with copper busbar under y phases, under y phases copper busbar be connected under z arrange connect, then with x under
Connection row's connection.The lead of above-mentioned three-phase low-voltage lower coil connects and composes Astrocytic conditioned medium structure.Under y phases, copper busbar is divided into two sections,
Connect copper busbar under two sections of y phases with connection row and fastening standard component.Copper busbar under copper busbar, y phases, connection row, a low pressure under b phases
Lower terminal row, b low pressure lower terminal row, c low pressure lower terminal arrange arrangement parallel with the side of lower clamping piece.Connection row and b phases under b
The connection with copper busbar under y phases, copper busbar and the connection for being connected row under z, y phases under y phases are arranged in the connection of lower copper busbar, connection under y
Lower copper busbar and the connection for being connected row under x can be directly welding or be connected with fastening standard component.
Three-phase high-voltage coil head end and the connection in parallel of three-phase high-voltage lower coil head end, from three-phase high voltage coil after parallel connection
A corresponding high voltage winding terminal is drawn respectively in middle part side.Draw from the upper side of three-phase high-voltage coil three-phase high-voltage coil end
Go out corresponding high voltage winding terminal, corresponding high extrusion is drawn in the downside of high-tension coil end high-tension coil under three-phase under three-phase
Head.For the ease of high pressure line, the wherein upper and lower coil head end of the A phases high pressure A high voltage winding terminal leads drawn in parallel are from high-voltage line
Circle middle part, the position for differing 120 degree draws a high voltage winding terminal A ' again.The Y1 high voltage winding terminals that B phase high pressure coils end is drawn
With lead from coil upper side, the position for differing 120 degree draws a high voltage winding terminal Y1 ' again.A high voltage winding terminal high-voltage connections
A high-voltage terminals are attached to, B high voltage winding terminal high-voltage connections are attached to B high-voltage terminals, what C high pressure coils end was drawn
Y1 high voltage winding terminal high-voltage connections are attached on C high-voltage terminals.
The X1 high voltage winding terminals high-voltage connection that phase high pressure coil end is drawn is in parallel with the upper and lower coil head end of B phase high pressure
The B high voltage winding terminals connection of extraction.Another Y1 ' high voltage winding terminals high-voltage connection that B phase high pressure coils end is drawn is high with C phases
Press the C high voltage winding terminals connection drawn in parallel of upper and lower coil head end.The Z1 high voltage winding terminals that C phase high pressure coils end is drawn are high
Voltage lead wires are coupled with the upper and lower coil head end of A phase high pressure another A ' high voltage winding terminal drawn in parallel.Above-mentioned three-phase high-voltage coil
Lead couple triangle draw bail.
The X2 high voltage winding terminals high-voltage connection that phase high pressure lower coil end is drawn is in parallel with the upper and lower coil head end of B phase high pressure
The B high voltage winding terminals connection of extraction.The Y2 high voltage winding terminals high-voltage connection that B phase high pressure lower coils end is drawn is upper and lower with C phase high pressure
The C high voltage winding terminals connection drawn in parallel of coil head end.C phase high pressure lower coils end draw Z2 high voltage winding terminals high-voltage connection with
The upper and lower coil head end of A high pressure another A ' high voltage winding terminal drawn in parallel couples.The lead connection of above-mentioned three-phase high-voltage lower coil
Triangle draw bail.
Low pressure upper connecting terminal row, b low pressure upper connecting terminal row and c low pressure upper connecting terminal row are fixed on upper clamping piece
The same side, a low pressure lower connecting terminal row, b low pressure lower connecting terminal row and c low pressure lower connecting terminal row are all fixed on lower clamping piece
The same side, and the same side with a, b, c three-phase low-voltage upper connecting terminal row in folder.A, B, C three-phase high-voltage terminals are all solid
The same side of upper clamping piece is scheduled on, is arranged with a, b, c three-phase low-voltage upper connecting terminal and a, b, c three-phase low-voltage lower connecting terminal row is in
The not homonymy of folder.The structure three-phase high and low pressure side Wiring area is completely separable, and three-phase low-voltage side terminal is upper and lower separate, just
In terminal block.
Because three-phase low-voltage terminals are all arranged on the side of transformator, and 3 D stereo reel iron core transformer three-phase is low
Line ball circle head end can not be in the same side whole outlet.Therefore, welded with row is connected on b using b phase low pressure coil head end lead-out wires
Connect, on b, connection row is connected with copper busbar in b phases, in b phases, copper busbar is connected with low-voltage terminal row in corresponding b phases again.Using b
Phase low pressure lower coil head end lead-out wire is welded with row is connected under b, and under b, connection row is connected with copper busbar under b phases, copper busbar under b phases
Again with low-voltage terminal row connection under corresponding b phases.Solving three-phase low-voltage coil head end can not asking in the same side whole outlet
Topic.
Because three-phase low-voltage coil end can not the same side whole outlet, using b phase low pressure coils end
Lead-out wire is welded with row is connected on y, and on y, connection row is connected with copper busbar in y phases, and in y phases, copper busbar arranges connection with being connected on z,
Connection is arranged with being connected on x again.On z connection row with c phase low pressure coils end draw wire bonding, on x connection arrange with a phase low pressure on
Coil end draws wire bonding.Welded with row is connected under y using b phase low pressure lower coil end lead-out wires, connection row and y phases under y
Lower copper busbar connection, under y phases, copper busbar connects with row is connected under z, then connects with row is connected under x.Connection row and c phase low pressure under z
Wire bonding is drawn in lower coil end, and under x, connection row draws wire bonding with a phase low pressure lower coils end.
The lead of above-mentioned three-phase low-voltage coil connects and composes Y-connection.The lead connection of above-mentioned three-phase low-voltage lower coil
. constitute Y-connection.In b phases, under copper busbar, b phases, in copper busbar and y phases, under copper busbar, y phases, copper busbar is all divided into two sections, uses
Two sections are coupled together by connection row and fastening standard component.Copper under copper busbar, y phases in copper busbar, y phases under copper busbar, b phases in b phases
The side phase of bus, connection row and a, b, c three-phase low-voltage upper terminal row, a, b, c three-phase low-voltage lower terminal row with upper and lower folder
It is arranged in parallel.On b, connection row and the connection of copper busbar in b phases, connect the connection of row and copper busbar under b phases, connection row on y under b
With the connection of copper busbar in y phases, copper busbar and the connection for being connected row on z in y phases, copper busbar and the company for being connected row on x in y phases
Connect, the connection with copper busbar under y phases, copper busbar and the connection for being connected row under z under y phases, under y phases under copper busbar and x are arranged in connection under y
Connect the connection of row, can directly weld or connected with fastening standard component.
For 3 D stereo coiled core, this core structure makes three-dimensional to the double dry-type transformers that divide of 3 D stereo volume iron core
The double division dry-type transformers of three-dimensional winding iron core have three-phase magnetic circuit balance, open circuit loss and no-load current are greatly reduced, do not produce
Triple-frequency harmonics, noise are little, power savings outstanding feature, overcome the shortcoming that traditional double divides dry-type transformer, contrast tradition
Double division dry-type transformers have obvious advantage.It is three-dimensional that the iron core of the double division dry-type transformers of iron core is rolled up due to 3 D stereo
Three-dimensional winding iron core, core structure are 3 D stereo takeup type structure.Therefore its structure to be arranged and divide dry-type transformer with traditional double
It is different.So, the structure arrangement of traditional double division dry-type transformers is not suitable for the double division dry types of 3 D stereo volume iron core and becomes
Depressor, solves the problems, such as that three-phase low-voltage coil head end and end all can not be in the same side whole outlets.
This utility model will be three-phase high and low pressure side Wiring area completely separable, and three-phase low-voltage side terminal is upper and lower separate, just
In terminal block, therefore, this utility model has three-phase magnetic circuit balance, power savings are notable, it is little not produce triple-frequency harmonics, noise
The advantages of.
Description of the drawings
Fig. 1 is low-side arrangement schematic diagram of the present utility model；
Fig. 2 is high-pressure side structural representation of the present utility model；
Fig. 3 is operating circuit principle schematic of the present utility model.
Specific embodiment
With reference to example and compare accompanying drawing this utility model is described in further detail.
The present embodiment is to connect the double division dry-type transformers of 3 D stereo volume iron core that group is Dy11y11.Referring to Fig. 1 and
Fig. 2,3 D stereo volume iron core 1 are fixed between upper clamping piece 2 and lower clamping piece 3, and lower clamping piece 3 is fixed on transformer feet 4.
Phase low-voltage coil, b phase low-voltage coils, c phases low-voltage coil and A phases high-tension coil 5, B phases high-tension coil 6, C phase high pressure
Coil 7 is rotating around on three stems that 3 D stereo rolls up iron core, and three stems for rolling up iron core 1 with 3 D stereo concentric are put
Put.Low-voltage coil is placed between the stem and high-tension coil of 3 D stereo volume iron core 1.Three-phase low-voltage coil and high-tension coil are all
It is divided into upper and lower two parts.Three-phase low-voltage coil and three-phase high-voltage coil are located at the stem first half that 3 D stereo rolls up iron core
Point.Three-phase low-voltage lower coil and three-phase high-voltage lower coil are located at the stem the latter half that 3 D stereo rolls up iron core.
The corresponding b low pressure upper terminal row 9, c of the corresponding a low pressure upper terminal row 8, b phase low pressure coils of phase low pressure coil
The corresponding c low pressure upper terminal of phase low pressure coil arranges 10 the same sides for being all disposed within upper clamping piece 2.The corresponding a of a phase low pressure lower coils
Under the corresponding b low pressure lower terminal row 12, the corresponding c low pressure of c phase low pressure lower coils of low pressure lower terminal row 11, b phase low pressure lower coils
Terminal block 13 is all disposed within the same side of lower clamping piece 3.It is arranged on a low pressure upper terminal row 8, b low pressure upper terminals of 2 side of upper clamping piece
Row 9, c low pressure upper terminal arranges 10 and is arranged on a low pressure lower terminal row 11, the b low pressure lower terminal row 12, c low pressure of 3 side of lower clamping piece
Lower terminal row 13 is in the same side.A high-voltage terminals 14, B high-voltage terminals 15 and C high-voltage terminals 16 are all disposed within upper clamping piece
2 side, with not ipsilateral of a low pressure upper terminal row 8, b low pressure upper terminal row 9, the c low pressure upper terminal row 10 in upper clamping piece 2.
Three-phase low-voltage coil head end and end lead-out wire are all from the upper end outlet of three-phase low-voltage coil.A phase low pressure is reached the standard grade
Circle head end lead-out wire is welded with row 17 is connected on a, and b phase low pressure coil head end lead-out wires are welded with row 18 is connected on b, and c phases are low
Pressure coil head end lead-out wire is welded with row 19 is connected on c.On wherein a, connection row 17 uses fastening standard with a low pressure upper terminal row 8
Part connects, and on c, connection row 19 is connected with fastening standard component with c low pressure upper terminal row 10.Because b phase low pressure coils head end is drawn
Line can not be with a phase low pressure coil head end lead-out wires and c phase low pressure coil head end lead-out wires in the same side outlet, so adopting
On b, connection row 18 is first connected with copper busbar 20 in b phases, and in b phases, copper busbar 20 uses fastening standard component with low-voltage terminal row 9 on b again
Connection.In b phases, 20 points of copper busbar is two sections, is connected copper busbar 20 in two sections of b phases with connection row 21 and fastening standard component.A phases
Low pressure coil end lead-out wire is welded with row 22 is connected on x, and b phase low pressure coil end lead-out wires are welded with row 23 is connected on y
Connect, c phase low pressure coil end lead-out wires are welded with row 24 is connected on z.On wherein y, connection row 23 is connected with copper busbar 25 in y phases
Connect, copper busbar 25 connects with row 24 is connected on z in y phases, then connect with row 22 is connected on x.Wherein in y phases, 25 points of copper busbar is two
Copper busbar 25 in two sections of y phases is connected by section with connection row 21 and fastening standard component.Copper busbar 25 in copper busbar 20, y phases in b phases,
Row 21, a low pressure upper terminal row 8, b low pressure upper terminal row 9, c low pressure upper terminal row 10 is parallel with the side of upper clamping piece 2 for connection
Arrangement.On b, connection row 18 and the connection of copper busbar 20 in b phases, connect the connection of row 23 and copper busbar 25 in y phases, in y phases on y
Copper busbar 25 and the connection for being connected row 24 on z, copper busbar 25 and the connection for being connected row 22 on x in y phases, can be directly welding
Or connected with fastening standard component.The lead of above-mentioned three-phase low-voltage coil connects and composes Astrocytic conditioned medium structure, referring to 3 work of accompanying drawing
Make circuit theory schematic diagram.
Three-phase low-voltage lower coil head end and end lead-out wire are all from the lower end outlet of three-phase low-voltage lower coil.A phase low pressure is offline
Circle head end lead-out wire is welded with row 26 is connected under a, and b phase low pressure lower coil head end lead-out wires are welded with row 27 is connected under b, and c phases are low
Pressure coil head end lead-out wire is welded with row 28 is connected under c.Under wherein a, connection row 26 uses fastening mark with a low pressure lower terminal row 11
Quasi- part connection, under c, connection row 28 is connected with fastening standard component with c low pressure lower terminal row 13.Because b phase low pressure lower coil head ends draw
Outlet can not be with a phase low pressure lower coil head end lead-out wires and c phase low pressure lower coil head end lead-out wires in the same side outlet, so adopting
First it is connected with copper busbar 29 under b phases with connection row 27 under b, under b phases, copper busbar 29 uses fastening standard with b lower connecting terminals row 12 again
Part connects.Under b phases, 29 points of copper busbar is two sections, is connected copper busbar 29 under two sections of b phases with connection row 21 and fastening standard component.a
Phase low pressure lower coil end lead-out wire is welded with row 30 is connected under x, and b phase low pressure lower coil end lead-out wires arrange 31 with being connected under y
Welding, c phase low pressure lower coil end lead-out wires are welded with row 32 is connected under z.Connection row 31 and copper busbar 33 under y phases under wherein y
Connection, under y phases, copper busbar 33 connects with row 32 is connected under z, then connects with row 30 is connected under x.Wherein under y phases, 33 points of copper busbar is
Two sections, copper busbar 33 under two sections of y phases is connected with connection row 21 and fastening standard component.Copper busbar under copper busbar 29, y phases under b phases
33rd, connection row 21, a low pressure lower terminal row 11, b low pressure lower terminal row 12, c low pressure lower terminal arranges 13 sides with lower clamping piece 3
Parallel arrangement.Under b, connection row 27 and the connection of copper busbar 29 under b phases, connect the connection of row 31 and copper busbar 33 under y phases under y,
Copper busbar 33 and the connection for being connected row 32 under z under y phases, under y phases, copper busbar 33 and the connection for being connected row 30 under x, can be straight
Connect welding or connected with fastening standard component.The lead of above-mentioned three-phase low-voltage lower coil connects and composes Astrocytic conditioned medium, referring to accompanying drawing 3
Operating circuit principle schematic.
On three-phase, under high-tension coil head end and three-phase, high-tension coil head end is in parallel is coupled, from three-phase high voltage coil after parallel connection
A corresponding high voltage winding terminal is drawn respectively in middle part side.On three-phase, high-tension coil end upper side of high-tension coil from three-phase draws
Go out corresponding high voltage winding terminal, corresponding high extrusion is drawn in the downside of high-tension coil end high-tension coil under three-phase under three-phase
Head.For the ease of high pressure line, wherein upper and lower 5 head end of high-tension coil of the A phases A high voltage winding terminals 34 drawn lead in parallel is from height
Pressure thiol, the position for differing 120 degree draws a high voltage winding terminal A ' 37 again.The Y1 that 6 end of high-tension coil is drawn in B phases is high
From coil upper side, a high voltage winding terminal Y1 ' 39 is drawn in the position for differing 120 degree to the lead of pressure head 38 again.A high voltage winding terminals 34
A high-voltage terminals 14 are attached to high-voltage connection, the high-voltage connection of B high voltage winding terminals 35 is attached to B high-voltage terminals 15, B high pressure
The Y1 high voltage winding terminals 38 that 6 end of coil is drawn are attached on C high-voltage terminals 16 with high-voltage connection.
The X1 high voltage winding terminals 40 that 5 end of high pressure coil is drawn are in parallel with upper and lower 6 head end of coil of B high pressure with high-voltage connection
The B high voltage winding terminals 35 of extraction couple.Another Y1 ' high voltage winding terminal 39 that 6 end of B high pressure coil is drawn high-voltage connection and C
Upper and lower 7 head end of coil of the high pressure C high voltage winding terminals 36 drawn in parallel couple.The Z1 high voltage winding terminals that 7 end of C high pressure coil is drawn
41 are coupled with upper and lower 5 head end of coil of high-voltage connection and A high pressure another A ' high voltage winding terminal 37 drawn in parallel.Above-mentioned three-phase is high
The lead of pressure coil connects and composes triangle connection, referring to 3 operating circuit principle schematic of accompanying drawing.
The X2 high voltage winding terminals 42 that 5 end of high pressure lower coil is drawn are in parallel with upper and lower 6 head end of coil of B high pressure with high-voltage connection
The B high voltage winding terminals 35 of extraction couple.The Y2 high voltage winding terminals 43 that 6 end of B high pressure lower coil is drawn with high-voltage connection and C high pressure,
7 head end of the lower coil C high voltage winding terminals 36 drawn in parallel couple.The Z2 high voltage winding terminals 44 that 7 end of C high pressure lower coil is drawn use high pressure
Lead is coupled with upper and lower 5 head end of coil of A high pressure another A ' high voltage winding terminal 37 drawn in parallel.Above-mentioned three-phase high-voltage lower coil
Lead connect and compose triangle connection, referring to 3 operating circuit principle schematic of accompanying drawing.
The above, is the structure of the double division dry-type transformers of 3 D stereo volume iron core that connection set is Dy11y11.This
Structure is not limited to and is applied to above-described embodiment, can also be applied to the 3 D stereo volume iron core that connection set is Yd11d11 double
Division dry-type transformer, as long as which reaches technique effect of the present utility model with identical embodiment, should all belong to this practicality
New protection domain.
Claims (5)
1. a kind of double division dry type transformer structures of 3 D stereo volume iron core, including 3 D stereo volume iron core, it is characterised in that：Three
Dimension three-dimensional winding iron core is fixed between upper clamping piece and lower clamping piece, and lower clamping piece is fixed on transformer feet；
Three-phase low-voltage coil and high-tension coil are rotating around on three stems that 3 D stereo rolls up iron core, and roll up ferrum with 3 D stereo
Three stems of core are placed with one heart；Low-voltage coil is placed between the stem and high-tension coil of 3 D stereo volume iron core；Three-phase is low
Line ball circle and high-tension coil are all divided into upper and lower two parts；Three-phase low-voltage coil and three-phase high-voltage coil are located at 3 D stereo
The stem top half of volume iron core；Three-phase low-voltage lower coil and three-phase high-voltage lower coil are located under the stem that 3 D stereo rolls up iron core
Half part；Three-phase low-voltage coil and high-tension coil are placed on lower clamping piece, and be lined between lower clamping piece and coil that insulant does is hard
Briquetting and soft briquetting；Three-phase high and low pressure coil top is lined with soft briquetting and hard briquetting, with the fastening standard being fixed on upper clamping piece
Part compresses hard briquetting, while also compressing three-phase high and low pressure coil, is fixed between upper clamping piece and lower clamping piece；
A low pressure upper connecting terminal row, b low pressure upper connecting terminal row and c low pressure upper connecting terminal row are fixed on the same of upper clamping piece
Side, a low pressure lower connecting terminal row, b low pressure lower connecting terminal row and c low pressure lower connecting terminal row are all fixed on the same of lower clamping piece
Side, and the same side with a, b, c three-phase low-voltage upper connecting terminal row in folder；A, B, C three-phase high-voltage terminals are all fixed
In the same side of upper clamping piece, arrange with a, b, c three-phase low-voltage upper connecting terminal and a, b, c three-phase low-voltage lower connecting terminal row is in folder
The not homonymy of part；
Three-phase low-voltage coil head end and end lead-out wire are all from the upper end outlet of three-phase low-voltage coil；A phase low pressure coil is first
End lead-out wire is welded with row is connected on b with row's welding, b phase low pressure coil head end lead-out wires is connected on a, c phase low pressure coils
Head end lead-out wire is welded with row is connected on c；On wherein a, connection row is connected with a low pressure upper terminals row fastening standard component, is connected on c
Run in；Because b phase low pressure coil head ends lead-out wire can not be with a phase low pressure
Coil head end lead-out wire and c phase low pressure coil head end lead-out wires are in the same side outlet, so arranging elder generation and b using connection on b
Copper busbar connection in phase, in b phases, copper busbar is connected with b upper connecting terminals row fastening standard component again；In b phases, copper busbar is divided into two
Section, connects copper busbar in two sections of b phases with connection row and fastening standard component；A phase low pressure coil end lead-out wires be connected row on x
Welding, b phase low pressure coil end lead-out wires are connected with z with row's welding, c phase low pressure coil end lead-out wires is connected on y
Row's welding；On wherein y, connection row is connected with copper busbar in y phases, and in y phases, copper busbar connects with row is connected on z, then is connected with x
Row's connection；The lead of above-mentioned three-phase low-voltage coil connects and composes Astrocytic conditioned medium structure；In y phases, copper busbar is divided into two sections, with connection
Run in and fasten standard component and connect copper busbar in two sections of y phases；Copper busbar in copper busbar, y phases, connection row, a low pressure upper end in b phases
Son row, b low pressure upper terminal row, c low pressure upper terminal arrange arrangement parallel with the side of upper clamping piece；Connection row and copper in b phases on b
The connection with copper busbar in y phases, copper busbar and the connection for being connected row on z, copper in y phases in y phases are arranged in the connection of bus, connection on y
Bus and the connection for being connected row on x are all directly welding or are connected with fastening standard component.
2. 3 D stereo volume iron core according to claim 1 is double divides dry type transformer structure, it is characterised in that：Three-phase is low
Pressure coil head end and end lead-out wire are all from the lower end outlet of three-phase low-voltage lower coil；A phase low pressure lower coil head end lead-out wires and a
It is lower connection row welding, b phase low pressure lower coil head end lead-out wires be connected under b row weld, c phase low pressure lower coil head end lead-out wires and
Connection row welding under c；Under wherein a, connection row is connected with low-voltage terminal row fastening standard component under a, connection row and low pressure under c under c
Terminal block fastening standard component connection；Because b phase low pressure lower coil head ends lead-out wire can not be drawn with a phase low pressure lower coils head end
Line and c phase low pressure lower coil head end lead-out wires are in the same side outlet, so be first connected with copper busbar under b phases using connection row under b,
Under b phases, copper busbar is connected with b lower connecting terminals row fastening standard component again；Under b phases, copper busbar is divided into two sections, with connection row and tightly
Gu standard component connects copper busbar under two sections of b phases；A phase low pressure lower coil end lead-out wires are welded with row is connected under x, under b phase low pressure
Coil end lead-out wire is welded with row is connected under z with row's welding, c phase low pressure lower coil end lead-out wires is connected under y；Under wherein y
Connection row be connected with copper busbar under y phases, and under y phases, copper busbar connects with row is connected under z, then arranges connection with being connected under x；Above-mentioned three-phase
The lead of low pressure lower coil connects and composes Astrocytic conditioned medium structure；Under y phases, copper busbar is divided into two sections, with connection row and fastening standard component
Copper busbar under two sections of y phases of connection；Copper busbar under copper busbar, y phases, connection row, a low pressure lower terminal row, b low pressure lower terminals under b phases
Row, c low pressure lower terminal arrange arrangement parallel with the side of lower clamping piece；Under b, connection row and the connection of copper busbar under b phases, connect under y
The connection run in copper busbar under y phases, copper busbar and the connection for being connected row under z under y phases, under y phases copper busbar be connected under x row
Connection can be directly welding or be connected with fastening standard component.
3. 3 D stereo volume iron core according to claim 1 is double divides dry type transformer structure, it is characterised in that：Three-phase is high
Pressure coil head end and the connection in parallel of three-phase high-voltage lower coil head end, respectively draw from the middle part side of three-phase high voltage coil after parallel connection
One corresponding high voltage winding terminal；Corresponding high extrusion is drawn from the upper side of three-phase high-voltage coil in three-phase high-voltage coil end
Head, under three-phase, corresponding high voltage winding terminal is drawn in the downside of high-tension coil end high-tension coil under three-phase；For the ease of high pressure
The upper and lower coil head end of line, the wherein A phases high pressure A high voltage winding terminal leads drawn in parallel differ 120 from the middle part of high-tension coil
A high voltage winding terminal A ' is drawn again in the position of degree；The Y1 high voltage winding terminal leads that B phase high pressure coils end is drawn are from coil
Side, the position for differing 120 degree draw a high voltage winding terminal Y1 ' again；A high voltage winding terminal high-voltage connections are attached to A high-voltage connections
End, B high voltage winding terminal high-voltage connections are attached to B high-voltage terminals, the Y1 high voltage winding terminal high pressure that C high pressure coils end is drawn
Lead is attached on C high-voltage terminals.
4. 3 D stereo volume iron core according to claim 1 is double divides dry type transformer structure, it is characterised in that：A phases are high
The B of the X1 high voltage winding terminals high-voltage connection extraction in parallel with the upper and lower coil head end of B phase high pressure that pressure coil end is drawn is high to be extruded
Head connection；Another Y1 ' high voltage winding terminals high-voltage connection that B phase high pressure coils end is drawn is first with the upper and lower coil of C phase high pressure
The end C high voltage winding terminals connection drawn in parallel；The Z1 high voltage winding terminals high-voltage connection that C phase high pressure coils end is drawn is high with A phases
Upper and lower coil head end another A ' high voltage winding terminal drawn in parallel is pressed to couple；The lead connection structure of above-mentioned three-phase high-voltage coil
Triangularity draw bail.
5. 3 D stereo volume iron core according to claim 1 is double divides dry type transformer structure, it is characterised in that：A phases are high
The B of the X2 high voltage winding terminals high-voltage connection extraction in parallel with the upper and lower coil head end of B phase high pressure that pressure coil end is drawn is high to be extruded
Head connection；The Y2 high voltage winding terminals high-voltage connection that B phase high pressure lower coils end is drawn is in parallel with the upper and lower coil head end of C phase high pressure
The C high voltage winding terminals connection of extraction；The Z2 high voltage winding terminals high-voltage connection that C phase high pressure lower coils end is drawn and the upper and lower line of A high pressure
Circle head end another A ' high voltage winding terminal drawn in parallel couples；The lead connection of above-mentioned three-phase high-voltage lower coil is triangle
Binding structure.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106920654A (en) * | 2017-04-12 | 2017-07-04 | 江苏华辰变压器有限公司 | It is a kind of can balance resistance rate three-dimensional winding iron core pin configuration |
| CN107958770A (en) * | 2017-11-20 | 2018-04-24 | 广州中车骏发电气有限公司 | A kind of virtual cophase supply output single-phase transformer |
| CN112652441A (en) * | 2020-12-31 | 2021-04-13 | 河南铜牛变压器有限公司 | Maintenance-free high-efficiency energy-saving dry-type electric furnace transformer |
| CN115036113A (en) * | 2022-07-04 | 2022-09-09 | 江门市赛为电力科技有限公司 | Lead wire mode of oil-immersed foil-wound three-dimensional wound core transformer |
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2016
- 2016-08-30 CN CN201620981242.8U patent/CN206059124U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106920654A (en) * | 2017-04-12 | 2017-07-04 | 江苏华辰变压器有限公司 | It is a kind of can balance resistance rate three-dimensional winding iron core pin configuration |
| CN107958770A (en) * | 2017-11-20 | 2018-04-24 | 广州中车骏发电气有限公司 | A kind of virtual cophase supply output single-phase transformer |
| CN112652441A (en) * | 2020-12-31 | 2021-04-13 | 河南铜牛变压器有限公司 | Maintenance-free high-efficiency energy-saving dry-type electric furnace transformer |
| CN112652441B (en) * | 2020-12-31 | 2023-11-28 | 河南铜牛变压器有限公司 | Maintenance-free high-efficiency energy-saving dry type electric furnace transformer |
| CN115036113A (en) * | 2022-07-04 | 2022-09-09 | 江门市赛为电力科技有限公司 | Lead wire mode of oil-immersed foil-wound three-dimensional wound core transformer |
| CN115036113B (en) * | 2022-07-04 | 2024-02-27 | 江门市赛为电力科技有限公司 | Lead mode of oil-immersed foil winding three-dimensional coiled iron core transformer |
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