CN105161261A - Low-voltage Y-lead structure of three-dimensional wound core transformer - Google Patents
Low-voltage Y-lead structure of three-dimensional wound core transformer Download PDFInfo
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- CN105161261A CN105161261A CN201510392850.5A CN201510392850A CN105161261A CN 105161261 A CN105161261 A CN 105161261A CN 201510392850 A CN201510392850 A CN 201510392850A CN 105161261 A CN105161261 A CN 105161261A
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Abstract
The invention discloses a low-voltage Y-lead structure of a three-dimensional wound core transformer. The low-voltage Y-lead structure is reasonable in winding displacement and convenient to manually operate and install. The low-voltage Y-lead structure comprises an iron core, a low-voltage coil, a terminal C, a terminal B, a terminal A and a terminal O, wherein the low-voltage coil winds the iron core; the terminal C, the terminal B, the terminal A and the terminal O are sequentially arranged at one side of the iron core and are used for forming the Y-lead structure of the transformer; the terminal A and the terminal C are formed in a manner that a connecting terminal a and a connecting terminal c on the low-voltage coil respectively pass through directly led transition copper bars; and the terminal B is formed in a manner that a connecting terminal b on the low-voltage coil passes through the transition copper bar. According to the low-voltage Y-lead structure of the three-dimensional wound core transformer, a connecting terminal x, a connecting terminal y and a connecting terminal z on the low-voltage coil are connected with one another by the copper bars; and meanwhile, a proper position is selected among connecting copper bars of the three terminals as a lead-out point of a zero-phase connecting terminal of the transformer.
Description
Technical field
The present invention relates to distribution transformer technical field, refer more particularly to a kind of low pressure Y pin configuration of three dimensional wound core transformer.
Background technology
When three-phase power transformer low pressure adopts y connection, its way is connected again together by the afterbody of three-phase low-voltage, then from finding zero phase of a suitable lead-out wire as low pressure between its coupled position.Due to its structural limitations of three dimensional wound core transformer, convenient operation unlike conventional planar iron-core transformer low-voltage lead, meeting national standard to meet low resistance three-phase equilibrium rate, if low-voltage lead arrangement is unreasonable, easily causing the lead-in wire waste of copper bar or entirety unsightly.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the low pressure Y pin configuration that a kind of winding displacement is reasonable, be convenient to the three dimensional wound core transformer that operative installs is provided.
For achieving the above object, technical scheme provided by the present invention is: a kind of low pressure Y pin configuration of three dimensional wound core transformer, comprise iron core and be wound in the low-voltage coil on iron core, also include the C terminals for forming transformer Y pin configuration being arranged in described iron core side successively, B terminals, A terminals and O terminals, wherein said A terminals and C terminals are made up of respectively by the transition copper bars of directly drawing a binding post on described low-voltage coil and c binding post, described B terminals are consist of transition copper bars the b binding post on low-voltage coil, x binding post on described low-voltage coil and z binding post respectively by the first copper bar in 90 ° of knuckles, the second copper bar above described iron core, y binding post on low-voltage coil, by being connected with described z binding post with the cross transition copper bar be provided with, forms low pressure Y pin configuration.
Further, described second copper bar it comprise one to the bending part of iron core upper horizontal bending 90 ° and the horizontal part by this bending part horizontal-extending, wherein said horizontal part and described copper bar are that 60 ° of angles are connected.
X binding post on low-voltage coil, y binding post and z binding post link together by utilizing copper bar by this programme, between the connection copper bar of above-mentioned 3 terminals, also choose the leading point of a suitable position as transformer zero phase connection terminal simultaneously; In addition in order to reach y terminal to connect with z terminal between copper bar distance shorter, and handled easily, first along the long limit of folder, parallel extending to toward bending 90 above iron core and 120 degree again to b, c coil centre position connects with z terminal the y terminal copper bar of drawing, this copper bar distance is close to the shortest, and does not attractive in appearancely hinder other process operations.
Accompanying drawing explanation
Fig. 1 is connection principle structural representation of the present invention.
Fig. 2 is perspective view of the present invention.
In figure: 1-A terminals, 2-B terminals, 3-copper bar, 4-C terminals, 5-first copper bar, 6-second copper bar, the horizontal copper bar of 7-, 8-copper bar, 9-connects copper bar, 10-transition copper bars, 11-upper clamping piece, 12-a binding post, 13-x binding post, 14-b binding post, 15-y binding post, 16-z binding post, 17-c binding post, 18-low-voltage coil, 19-iron core, 20-O terminals.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described:
Shown in attached Fig. 1 and 2, the low pressure Y pin configuration of a kind of three dimensional wound core transformer described in the present embodiment, its iron core 19, the low-voltage coil 18 be wound on iron core 19, be successively arranged in iron core 19 side for forming the C terminals 4 of transformer Y pin configuration, B terminals 2, A terminals 1 and O terminals 20.Wherein A terminals 1 and C terminals 4 are made up of respectively by the transition copper bars of directly drawing a binding post 12 on low-voltage coil 18 and c binding post 17, and B terminals 2 are directly consist of transition copper bars the b binding post 14 on low-voltage coil 18.X binding post 13 on low-voltage coil 18 and z binding post 16 respectively by the first copper bar 5, second copper bar 6 in 90 ° of knuckles above iron core 19, y binding post 15 on low-voltage coil 18, by being connected with z binding post 16 with the cross transition copper bar 7 be provided with, forms low pressure Y pin configuration.
Again by reference to the accompanying drawings shown in 2, it is rectangular that concrete horizontal copper bar 7 is set in parallel in upper clamping piece 11, connects with the second copper bar 6; Second copper bar 6 bending method is: its one end connects with z binding post, subsequently toward the bending part of iron core upper horizontal bending 90 °, extend to b binding post and coil centre position, c binding post place, simultaneously by the horizontal part of this bending part horizontal-extending, wherein horizontal part and copper bar 8 are formed and are connected in 60 ° of angles.
The first copper bar 5 that X terminal connects, toward the horizontal bending in iron core top, connects with copper bar 8 one end, and copper bar 8 other end connects with in the middle of the second copper bar 6, composition transformer connection schematic diagram y connection; In the middle of copper bar 8, get a position be connected with one end of connecting copper bar 9, the other end connecting copper bar 9 is connected with transition copper bars 10, and such transition copper bars 10 is as zero phase connection terminal in transformer connection schematic diagram connection.
The examples of implementation of the above are only the preferred embodiment of the present invention, not limit practical range of the present invention with this, therefore the change that all shapes according to the present invention, principle are done, all should be encompassed in protection scope of the present invention.
Claims (1)
1. the low pressure Y pin configuration of a three dimensional wound core transformer, comprise iron core and be wound in the low-voltage coil on iron core, it is characterized in that: also include be arranged in successively described iron core side for forming the C terminals of transformer Y pin configuration, B terminals, A terminals and O terminals, wherein said A terminals and C terminals are made up of respectively by the transition copper bars of directly drawing a binding post on described low-voltage coil and c binding post, and described B terminals are consist of transition copper bars the b binding post on low-voltage coil; X binding post on described low-voltage coil and z binding post respectively by the first copper bar in 90 ° of knuckles, the second copper bar above described iron core, y binding post on low-voltage coil, by being connected with described z binding post with the cross transition copper bar be provided with, forms low pressure Y pin configuration; Described second copper bar it comprise one to the bending part of iron core upper horizontal bending 90 ° and the horizontal part by this bending part horizontal-extending, wherein said horizontal part and described copper bar are that 60 ° of angles are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510392850.5A CN105161261A (en) | 2015-07-07 | 2015-07-07 | Low-voltage Y-lead structure of three-dimensional wound core transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510392850.5A CN105161261A (en) | 2015-07-07 | 2015-07-07 | Low-voltage Y-lead structure of three-dimensional wound core transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105161261A true CN105161261A (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510392850.5A Pending CN105161261A (en) | 2015-07-07 | 2015-07-07 | Low-voltage Y-lead structure of three-dimensional wound core transformer |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003163124A (en) * | 2001-11-27 | 2003-06-06 | Hitachi Ltd | Three-phase transformer |
| CN202615995U (en) * | 2012-04-28 | 2012-12-19 | 江苏中容科技有限公司 | Low-voltage lead connection structure of three-dimensional rolled iron core dry-type 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 |
| CN204348485U (en) * | 2015-01-08 | 2015-05-20 | 海鸿电气有限公司 | A kind of low voltage lead structure of stereo triangle transformer |
| CN204991392U (en) * | 2015-07-07 | 2016-01-20 | 广东广特电气有限公司 | Three -dimensional low pressure Y pin configuration () of rolling up iron core transformer |
-
2015
- 2015-07-07 CN CN201510392850.5A patent/CN105161261A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003163124A (en) * | 2001-11-27 | 2003-06-06 | Hitachi Ltd | Three-phase transformer |
| CN202615995U (en) * | 2012-04-28 | 2012-12-19 | 江苏中容科技有限公司 | Low-voltage lead connection structure of three-dimensional rolled iron core dry-type 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 |
| CN204348485U (en) * | 2015-01-08 | 2015-05-20 | 海鸿电气有限公司 | A kind of low voltage lead structure of stereo triangle transformer |
| CN204991392U (en) * | 2015-07-07 | 2016-01-20 | 广东广特电气有限公司 | Three -dimensional low pressure Y pin configuration () of rolling up iron core transformer |
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Address after: 528225 Guangdong city in Foshan province north of the town of Nanhai District Economic Development Zone, the industrial section of the North South China Sea Applicant after: GUANGDONG GUANGTE ELECTRIC CO. LTD. Address before: 528225 Guangdong city in Foshan province north of the town of Nanhai District Economic Development Zone, the industrial section of the North South China Sea Applicant before: Guangdong Guangte Electric Co., Ltd. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151216 |