CN106920654B - It is a kind of can balance resistance rate three-dimensional winding iron core pin configuration - Google Patents
It is a kind of can balance resistance rate three-dimensional winding iron core pin configuration Download PDFInfo
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- CN106920654B CN106920654B CN201710237140.4A CN201710237140A CN106920654B CN 106920654 B CN106920654 B CN 106920654B CN 201710237140 A CN201710237140 A CN 201710237140A CN 106920654 B CN106920654 B CN 106920654B
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- Prior art keywords
- head
- phase
- copper bar
- low
- phases
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
- H01F27/2828—Construction of conductive connections, of leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
Abstract
The invention discloses it is a kind of can balance resistance rate three-dimensional winding iron core pin configuration, it is connect with the ends z by copper bar IV by the ends x, the ends x connect 0 coupling by copper bar II and go out copper bar III, the ends z 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 ends y of lifting one's head are connect by copper bar VII with the intermediate position of copper bar IV, a phases head end leads to a phase head ends by a phase head end tap lead wires and lifts one's head connecting terminal a ', b phases head end leads to b phase head ends connecting terminal 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 connecting terminal c '.The present invention shortens the length of longer correlation lead, only three-phase resistance unbalance factor can be achieved the purpose that far below national standard from adjustings in wire length by suitably increasing the length of shorter phase terminal.
Description
Technical field
The present invention relates to a kind of three-dimensional winding iron core pin configuration, belong to electrical equipment, it is specifically a kind of can balance resistance
The three-dimensional winding iron core pin configuration of rate.
Background technology
Three-dimensional winding iron core as the emerging technology in current silicon steel core transformer, no-load loss is low, energy saving material saving, three
The advantages that phase magnetic circuit is balanced so that this product is widely used.
But current three-dimensional winding iron core distribution transformer low-pressure side is since 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 to current-carrying copper bar on same side, this has resulted in low pressure
Abc three-phases wire length is different, therefore in order to solve this problem the unbalanced problem of generally existing three-phase resistance all makes at present
With the simple mode increased compared with long lead section, wherein copper bar removes for regulation resistance unbalance factor and meets combined closure system requirement
Except specially increase section, to cause a degree of waste of material, even if in this way, its three-phase resistance unbalance factor
Be only capable of accomplishing it is more slightly lower than 4% line 2% of phase of requirements of the national standard, such as technological level shakiness rule thirdly phase resistance unbalance factor still
There is exceeded possibility.
Invention content
In view of the above existing problems in the prior art, the present invention provides it is a kind of can balance resistance rate three-dimensional winding iron core lead
Structure can greatly reduce the unbalance factor of three resistance.
To achieve the goals above, the technical solution adopted by the present invention 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；Lift one's head x for a phase low-voltage coils end
End is connected by copper bar IV and c phase low-voltage coils the end z that lifts one's head, and a phase low-voltage coils end x that lifts one's head passes through copper bar II
It is connected with the right end that 0 coupling goes out copper bar III, the c phase low-voltage coils end z that lifts one's head is connected with 0 coupling copper by copper bar VI
The left end of row III, 0 coupling go out copper bar III and are connected between copper bar II and copper bar VI and at the middle position for drawing copper bar III
It sets and draws neutral point 0；The b phase low-voltage coils end y that lifts one's head is connect by copper bar VII with the intermediate position of copper bar IV, described
The head ends of a phase low-voltage coils a phase head ends led to by a phase head end tap lead wires lift one's head connecting terminal a ' as total ends output a,
The head end of the b phase low-voltage coils by b phase head end tap lead wires directly lead out to b phase head ends lift one's head connecting terminal b ' as
Total ends output b, the head ends of the c phase low-voltage coils lead to c phase head ends by c phase head end tap lead wires and lift one's head connecting terminal c '
As total ends output c.It can be very easily by adjusting copper bar VII using this connection type it can be seen from above scheme
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, to reach three-phase resistance not
The purpose that balanced ratio can be adjusted accurately very much.
Further, the head end of 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 itself resistance deviation caused by due to technique for coiling is larger.
Further, it is 60 degree to the right that a phase low-voltage coil head ends and end, which are lifted one's head with perpendicular bisector angle, c phase low pressure
It is 60 degree to the left that coil head end and end, which are lifted one's head with perpendicular bisector angle, and b phase low-voltage coil head ends and end are lifted one's head and perpendicular bisector weight
It closes, head end and end are lifted one's head the unbalance factor for being arranged and can greatly reducing three resistance under this angle.
The beneficial effects of the invention are as follows：Do not had into walking line to reach two alternate can be connected with straight line by iron core upper end
The advantages of going for a stroll；Additionally by the appropriate length for increasing shorter phase terminal (b phases), shorten the length of longer correlation lead (ac phases),
Only it can achieve the purpose that three-phase resistance unbalance factor is far below national standard from the adjusting in wire length；It can also be reduced to simultaneously
Reduction three-phase resistance unbalance factor and increased lead cost.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is vertical view of the present invention.
In figure：1, 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,
6, copper bar VI, 7, copper bar VII, 8, b phase head end tap lead wires, 9, a phase head ends lift one's head connecting terminal a ', 10, b phase head ends lift one's head and connect
Line terminals b ', 11, c phase head ends lift one's head connecting terminal c '.
Specific implementation mode
The invention will be further described 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；A phase low-voltage coils end ends x of lifting one's head pass through copper bar IV 4 and c phase low-voltage coils
End ends z of lifting one's head are connected, and a phase low-voltage coils end ends x of lifting one's head are connected with 0 coupling by copper bar II 2 and go out copper bar III 3
Right end, c phase low-voltage coils end ends z 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；B phase low-voltage coils end ends y of lifting one's head are connect by copper bar VII 7 with the intermediate position of copper bar IV 4, and a phases are low
The head end of crimping circle leads to a phase head ends by a phase head ends tap lead wire 1 and lifts one's head connecting terminal a ' 9 as total ends output a, 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 connecting terminal b ' 10 as
Total ends output b, the head ends of the c phase low-voltage coils lead to c phase head ends by c phase head ends tap lead wire 5 and lift one's head connecting terminal
C ' 11 is as total ends output c.It can be very easily by adjusting copper using this connection type 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, to reach three
The purpose that phase resistance unbalance factor can be adjusted accurately very much.
Further, the head end of 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 itself resistance deviation caused by due to technique for coiling is larger.
Further, it is 60 degree to the right that a phase low-voltage coil head ends and end, which are lifted one's head with perpendicular bisector angle, c phase low pressure
It is 60 degree to the left that coil head end and end, which are lifted one's head with perpendicular bisector angle, and b phase low-voltage coil head ends and end are lifted one's head and perpendicular bisector weight
It closes, head end and end are lifted one's head the unbalance factor for being arranged and can greatly reducing three resistance under this angle.
By taking a 1250kVA product as an example：
It is 113kg according to the copper bar amount that former scheme uses, three-phase resistance unbalance factor is phase 3.11%, line 1.92%；
Copper bar amount is 104kg used according to the present invention, and three-phase resistance unbalance factor is phase 0.61%, line 0.68%.
In conclusion the present invention it is with obvious effects, it is convenient and practical, by iron core upper end into walking line to reach two it is alternate can
Not the advantages of not having to go for a stroll with straight line connection；Additionally by the appropriate length for increasing shorter phase terminal (b phases), shorten longer correlation lead
The length of (ac phases) only can achieve the purpose that three-phase resistance unbalance factor is far below national standard from the adjusting in wire length；
It can be also reduced simultaneously in order 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
Crimping circle, which is characterized in that a phase low-voltage coils end ends x of lifting one's head pass through copper bar IV（4）With c phase low-voltage coils end
Ends z of lifting one's head are connected, and a phase low-voltage coils end ends x 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 end, c phase low-voltage coils end ends z 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 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
It sets and draws neutral point 0；B phase low-voltage coils end ends y of lifting one's head pass through copper bar VII（7）With copper bar IV（4）Intermediate position
Connection, the head end of 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 connecting terminal a '
（9）, the head end of the b phase low-voltage coils passes through b phase head end tap lead wires（8）It directly leads out to b phase head ends and lifts one's head terminals
Sub- b '（10）, the head end of the 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 connecting terminal
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, which is characterized in that it is described
A phases low-voltage coil, b phases low-voltage coil and c phase low-voltage coils head end lift one's head and lift one's head mode and position that 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, which is characterized in that it is described
A phase low-voltage coil head ends and to lift one's head with perpendicular bisector angle be 60 degree to the right for end, c phase low-voltage coil head ends and end lift one's head with
Perpendicular bisector angle is 60 degree to the left, and b phase low-voltage coil head ends and end are lifted one's head to be overlapped with perpendicular bisector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710237140.4A CN106920654B (en) | 2017-04-12 | 2017-04-12 | It is a kind of can balance resistance rate three-dimensional winding iron core pin configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710237140.4A CN106920654B (en) | 2017-04-12 | 2017-04-12 | It is a kind of can balance resistance rate three-dimensional winding iron core pin configuration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106920654A CN106920654A (en) | 2017-07-04 |
| CN106920654B true CN106920654B (en) | 2018-07-17 |
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| CN201710237140.4A Active CN106920654B (en) | 2017-04-12 | 2017-04-12 | It is a kind of can balance resistance rate three-dimensional winding iron core pin configuration |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61272911A (en) * | 1985-05-29 | 1986-12-03 | Hitachi Ltd | Three-phase transformer |
| CN201402718Y (en) * | 2009-04-30 | 2010-02-10 | 广东海鸿变压器有限公司 | Three-phase high voltage coil of resin pouring tridimensional dry-type transformer |
| CN201956168U (en) * | 2010-12-03 | 2011-08-31 | 南京苏特电气股份有限公司 | Low-voltage lead structure for a stereo triangle transformer |
| CN103531335A (en) * | 2013-09-29 | 2014-01-22 | 四川风发电气科技有限公司 | Low-voltage lead structure of tridimensional toroidal-core transformer |
| CN206059124U (en) * | 2016-08-30 | 2017-03-29 | 江西大族能源科技股份有限公司 | The double division dry type transformer structures of 3 D stereo volume iron core |
| CN206806151U (en) * | 2017-04-12 | 2017-12-26 | 江苏华辰变压器股份有限公司 | Can balance resistance rate three-dimensional winding iron core pin configuration |
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| CN106920654A (en) | 2017-07-04 |
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Address after: 221116 Qianjiang Road, No. Second Industrial Park, Copper Mt. Economic Development Zone, Xuzhou City, Jiangsu Province, No. 8 Applicant after: Jiangsu Huachen transformer Limited by Share Ltd Address before: 221116 Qianjiang Road, No. Second Industrial Park, Copper Mt. Economic Development Zone, Xuzhou City, Jiangsu Province, No. 8 Applicant before: JIANGSU HUACHEN TRANSFORMER CO., LTD. |
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