CN206806151U - Can balance resistance rate three-dimensional winding iron core pin configuration - Google Patents
Can balance resistance rate three-dimensional winding iron core pin configuration Download PDFInfo
- Publication number
- CN206806151U CN206806151U CN201720380730.8U CN201720380730U CN206806151U CN 206806151 U CN206806151 U CN 206806151U CN 201720380730 U CN201720380730 U CN 201720380730U CN 206806151 U CN206806151 U CN 206806151U
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- Prior art keywords
- head
- phase
- copper bar
- low
- voltage coils
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- Withdrawn - After Issue
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Abstract
The utility model discloses it is a kind of can balance resistance rate three-dimensional winding iron core pin configuration, it is connected by x ends by copper bar IV with z ends, x ends connect 0 coupling by copper bar II and go out copper bar III, z ends connect 0 coupling by copper bar VI and go out copper bar III, and 0 coupling goes out copper bar III and is connected between copper bar II and copper bar VI and draws neutral point 0 in the medium position for drawing copper bar III;B phases end y ends of lifting one's head are connected by copper bar VII with the middle part of copper bar IV, a phases head end leads to a phase head ends by a phase head end tap lead wires and lifted one's head binding post a ', b phases head end leads to b phase head ends binding post b ', c phase head end of lifting one's head by b phase head end tap lead wires and leads to c phase head ends by c phase head end tap lead wires and lift one's head binding post c '.The utility model shortens the length of longer correlation lead, only reaches purpose of the three-phase resistance unbalance factor far below national standard from the regulation can in wire length by suitably increasing the length of shorter phase terminal.
Description
Technical field
A kind of three-dimensional winding iron core pin configuration is the utility model is related to, belongs to electrical equipment, specifically one kind can balance
The three-dimensional winding iron core pin configuration of resistivity.
Background technology
For three-dimensional winding iron core as the emerging technology in current silicon steel core transformer, its open circuit loss is low, saves material saving, three
The advantages that phase magnetic circuit equilibrium, make it that this product is widely used.
But current three-dimensional winding iron core distribution transformer low-pressure side is because winding relative position is in a plane, and for side
Just client's wiring, therefore the outlet terminal of variant position need to be led on same side with current-carrying copper bar, this has resulted in low pressure
Abc three-phases wire length is different, therefore the unbalanced problem of generally existing three-phase resistance, in order to solve this problem, all makes at present
With mode of the simple increase compared with long lead section, wherein copper bar removes for regulation resistance unbalance factor and meets combined closure system requirement
Outside specially add section, so as to cause a certain degree of waste of material, even if in this way, its three-phase resistance unbalance factor
Be only capable of accomplishing it is more lower slightly than the line 2% of phase 4% of requirements of the national standard, such as technological level shakiness rule thirdly phase resistance unbalance factor still
There is exceeded possibility.
The content of the invention
In view of the above-mentioned problems of the prior art, the utility model provide it is a kind of can balance resistance rate three-dimensional winding iron core
Pin configuration, the unbalance factor of three resistance can be greatly reduced.
To achieve these goals, the technical solution adopted in the utility model is:It is a kind of can balance resistance rate three-dimensional winding
Iron core pin configuration, including a phases low-voltage coil, b phases low-voltage coil and c phase low-voltage coils;Described a phase low-voltage coils end goes out
Head x ends are connected by copper bar IV and c phase low-voltage coils the end z that lifts one's head, and the described a phase low-voltage coils end x that lifts one's head passes through copper
Row II is connected with the right-hand member that 0 coupling goes out copper bar III, and the described c phase low-voltage coils end z that lifts one's head is connected with 0 coupling by copper bar VI
Go out the left end of copper bar III, 0 described coupling goes out copper bar III and is connected between copper bar II and copper bar VI and in copper bar III is drawn
Draw neutral point 0 in portion position;The described b phase low-voltage coils end y that lifts one's head is connected by copper bar VII with the middle part of copper bar IV,
The head end of described a phase low-voltage coils leads to a phase head ends by a phase head end tap lead wires and lifts one's head binding post a ' as total output
A ends, the head ends of described b phase low-voltage coils is directly led out to b phase head ends by b phase head end tap lead wires lifts one's head binding post b '
As total output b ends, the head ends of described c phase low-voltage coils leads to c phase head ends by c phase head end tap lead wires and lifted one's head terminals
Sub- c ' is as total output c ends.Can be very easily by adjusting copper bar using this connected mode it can be seen from above scheme
VII length is to balance the resistance that a, c phase draw a phase head end tap lead wires and c phase head end tap lead wires, so as to reach three-phase electricity
The purpose that resistance unbalance factor can be adjusted accurately very much.
Further, the top of described a phases low-voltage coil, b phases low-voltage coil and c phase low-voltage coils is lifted one's head and end goes out
Lift one's head mode and the position all same of head, in order to realize the unified production of the mass of winding process and management, coil of being more convenient for
Different coil combination trim resistance when product resistance deviation itself is larger caused by due to technique for coiling reason.
Further, lift one's head position and perpendicular bisector angle of described a phase low-voltage coils is 60 degree to the right, and c phase low-voltage lines are irised out
Head position and perpendicular bisector angle are 60 degree to the left, and b phase low-voltage coils position of lifting one's head overlaps with perpendicular bisector, lifts one's head position setting herein
The unbalance factor of three resistance can be greatly reduced under angle.
The beneficial effects of the utility model are:Enter walking line by iron core upper end alternate can be connected so as to reach two with straight line
The advantages of without going for a stroll;Additionally by the length of the appropriate shorter phase terminal (b phases) of increase, the length of shortening longer correlation lead (ac phases)
Degree, only reach purpose of the three-phase resistance unbalance factor far below national standard from the regulation can in wire length;It can also drop simultaneously
It is low in order to reduce three-phase resistance unbalance factor and increased lead cost.
Brief description of the drawings
Fig. 1 is the utility model structure diagram;
Fig. 2 is the utility model top view.
In figure:1st, a phases head end tap lead wire, 2, copper bar II, 3, copper bar III, 4, copper bar IV, 5, c phase head end tap lead wires,
6th, copper bar VI, 7, copper bar VII, 8, b phase head end tap lead wires, 9, a phase head ends lift one's head binding post a ', 10, b phase head ends lift one's head and connect
Line terminals b ', 11, c phase head ends lift one's head binding post c '.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, it is a kind of can balance resistance rate three-dimensional winding iron core pin configuration, including a phases low-voltage coil, b
Phase low-voltage coil and c phase low-voltage coils;Described a phase low-voltage coils end x ends of lifting one's head pass through copper bar IV 4 and c phase low-voltage coils
End z ends of lifting one's head are connected, and described a phase low-voltage coils end x ends of lifting one's head are connected with 0 coupling by copper bar II 2 and go out copper bar III 3
Right-hand member, described c phase low-voltage coils end z ends of lifting one's head are connected with the left end that 0 coupling goes out copper bar III 3 by copper bar VI 6, described
0 coupling go out copper bar III 3 and be connected between copper bar II 2 and copper bar VI 6 and draw neutral point in the medium position for drawing copper bar III 3
0;Described b phase low-voltage coils end y ends of lifting one's head are connected by copper bar VII 7 with the middle part of copper bar IV 4, and described a phases are low
The head end of line ball circle leads to a phase head ends by a phase head ends tap lead wire 1 and lifts one's head binding post a ' 9 as total output a ends, described
B phase low-voltage coils head end by b phase head ends tap lead wire 8 directly lead out to b phase head ends lift one's head binding post b ' 10 as
Total output b ends, the head ends of described c phase low-voltage coils lead to c phase head ends by c phase head ends tap lead wire 5 and lifted one's head binding post
C ' 11 is as total output c ends.Can be very easily by adjusting copper using this connected mode it can be seen from above scheme
VII 7 length is arranged to balance the resistance that a, c phase draw a phase head ends tap lead wire 1 and c phase head ends tap lead wire 5, so as to reach three
The purpose that phase resistance unbalance factor can be adjusted accurately very much.
Further, the top of described a phases low-voltage coil, b phases low-voltage coil and c phase low-voltage coils is lifted one's head and end goes out
Lift one's head mode and the position all same of head, in order to realize the unified production of the mass of winding process and management, coil of being more convenient for
Different coil combination trim resistance when product resistance deviation itself is larger caused by due to technique for coiling reason.
Further, lift one's head position and perpendicular bisector angle of described a phase low-voltage coils is 60 degree to the right, and c phase low-voltage lines are irised out
Head position and perpendicular bisector angle are 60 degree to the left, and b phase low-voltage coils position of lifting one's head overlaps with perpendicular bisector, lifts one's head position setting herein
The unbalance factor of three resistance can be greatly reduced under angle.
By taking a 1250kVA product as an example:
The copper bar amount used according to former scheme is 113kg, and its three-phase resistance unbalance factor is phase 3.11%, line 1.92%;
The copper bar amount used according to the utility model is 104kg, and its three-phase resistance unbalance factor is phase 0.61%, line
0.68%。
In summary, the utility model positive effect, it is convenient and practical, walking line is entered by iron core upper end so as to reach two-phase
Between can with straight line connect do not have to go for a stroll the advantages of;Additionally by the length of the appropriate shorter phase terminal (b phases) of increase, shorten longer correlation
The length of lead (ac phases), only reach mesh of the three-phase resistance unbalance factor far below national standard from the regulation can in wire length
's;It can also reduce simultaneously to reduce three-phase resistance unbalance factor and increased lead cost.
Claims (3)
1. it is a kind of can balance resistance rate three-dimensional winding iron core pin configuration, including a phases low-voltage coil, b phases low-voltage coil and c phases be low
Line ball circle, it is characterised in that described a phase low-voltage coils end x ends of lifting one's head pass through copper bar IV(4)With c phase low-voltage coils end
Z ends of lifting one's head are connected, and described a phase low-voltage coils end x ends of lifting one's head pass through copper bar II(2)It is connected with 0 coupling and goes out copper bar III(3)
Right-hand member, described c phase low-voltage coils end z ends of lifting one's head pass through copper bar VI(6)It is connected with 0 coupling and goes out copper bar III(3)Left end,
0 described coupling goes out copper bar III(3)It is connected to copper bar II(2)With copper bar VI(6)Between and draw copper bar III(3)Middle position
Put and draw neutral point 0;Described b phase low-voltage coils end y ends of lifting one's head pass through copper bar VII(7)With copper bar IV(4)Middle part
Connection, the head end of described a phase low-voltage coils pass through a phase head end tap lead wires(1)A phase head ends are led to lift one's head binding post a '
(9), the head end of described b phase low-voltage coils passes through b phase head end tap lead wires(8)Directly lead out to b phase head ends and lift one's head terminals
Sub- b '(10), the head end of described c phase low-voltage coils passes through c phase head end tap lead wires(5)C phase head ends are led to lift one's head binding post
c’(11).
2. it is according to claim 1 it is a kind of can balance resistance rate three-dimensional winding iron core pin configuration, it is characterised in that it is described
A phases low-voltage coil, lift one's head mode and the position that the top of b phases low-voltage coil and c phase low-voltage coils is lifted one's head and end is lifted one's head
All same.
3. it is according to claim 1 it is a kind of can balance resistance rate three-dimensional winding iron core pin configuration, it is characterised in that it is described
Lift one's head position and perpendicular bisector angle of a phase low-voltage coils be 60 degree to the right, c phase low-voltage coils position of lifting one's head is with perpendicular bisector angle
60 degree to the left, b phase low-voltage coils position of lifting one's head overlaps with perpendicular bisector.
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CN201720380730.8U CN206806151U (en) | 2017-04-12 | 2017-04-12 | Can balance resistance rate three-dimensional winding iron core pin configuration |
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CN201720380730.8U CN206806151U (en) | 2017-04-12 | 2017-04-12 | Can balance resistance rate three-dimensional winding iron core pin configuration |
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Cited By (1)
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 |
-
2017
- 2017-04-12 CN CN201720380730.8U patent/CN206806151U/en not_active Withdrawn - After Issue
Cited By (1)
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 |
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GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20171226 Effective date of abandoning: 20180717 |
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AV01 | Patent right actively abandoned |