CN203552887U - Low voltage y-connection lead structure of three-dimensional wound core dry type transformer - Google Patents
Low voltage y-connection lead structure of three-dimensional wound core dry type transformer Download PDFInfo
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- CN203552887U CN203552887U CN201320666225.1U CN201320666225U CN203552887U CN 203552887 U CN203552887 U CN 203552887U CN 201320666225 U CN201320666225 U CN 201320666225U CN 203552887 U CN203552887 U CN 203552887U
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- 230000007704 transition Effects 0.000 claims abstract description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 23
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a low voltage y-connection lead structure of a three-dimensional wound core dry type transformer. The low voltage y-connection lead structure of the three-dimensional wound core dry type transformer comprises an a-phase low voltage terminal board and a c-phase low voltage terminal board, and is characterized in that a head end outgoing line of a b-phase low voltage coil is connected with a b-phase low voltage terminal board; a tail end outgoing line of the b-phase low voltage coil is connected with an O terminal board; a tail end outgoing line of a c-phase low voltage coil is connected with a c-phase transition board and the O terminal board; a tail end outgoing line of an a-phase low voltage coil is connected with an a-phase transition board and the O terminal board; the a-phase low voltage terminal board, the b-phase low voltage terminal board and the c-phase low voltage terminal board are all located on one side of the upper end of the transformer and fixed to an upper clamp of the transformer. The low voltage y-connection lead structure of the three-dimensional wound core dry type transformer has the advantages that wiring areas on the high voltage side and the low voltage side are completely separated, the three phase low voltage coils are all led out on the same side, a user can connect the coils conveniently, and the low voltage y-connection lead structure is attractive, suitable for three-dimensional wound core transformers, and especially suitable for three-dimensional wound core dry type transformers.
Description
Technical field
The utility model relates to a kind of transformer lead structure, especially relates to a kind of low-voltage y connecting lead structure of dry-type transformer with three-dimensional rolled iron core.
Background technology
The low-voltage y connecting lead structure of tradition three-phase transformer is: the end lead-out wire busbar of three-phase low-voltage coil is linked together, head end lead-out wire is fixed on upper clamping piece by low voltage terminal daughter board by transition busbar (or transition lead-out wire), and this connection is suitable for the transformer of three-phase coil floor plan.Because three-dimensional rolled iron core transformer layout is different from traditional transformer, three-phase low-voltage coil cannot whole outlets in the same side, be b phase low voltage terminal with a, c phase low voltage terminal not in the same side of transformer, and transformer low voltage terminals and low-tension switch cabinet conventionally again changes persuing depressor low voltage terminal in the same side, therefore, traditional low-voltage y connecting lead structure is not suitable for three-dimensional rolled iron core transformer, particularly dry-type transformer with three-dimensional rolled iron core.
Summary of the invention
The purpose of this utility model is to provide that a kind of high and low pressure side Wiring area separates completely, the whole outlets in the same side of three-phase low-voltage coil, be convenient to the low-voltage y connecting lead structure of terminal block, obvious energy conservation, safe handling, dry-type transformer with three-dimensional rolled iron core simple in structure, elegant in appearance.
The purpose of this utility model is achieved in that
A kind of low-voltage y connecting lead structure of dry-type transformer with three-dimensional rolled iron core, comprise and be fixed on the upper end of transformer, a phase low voltage terminal daughter board and the c phase low voltage terminal daughter board in iron yoke outside, feature is: b phase low-voltage coil head end lead-out wire connects with one end of b phase rebound by fastening standard component mode, the other end of b phase rebound is arranged with transition busbar, contact successively and is connected after row's coupled in series, finally connects with b phase low voltage terminal daughter board; B phase low-voltage coil end lead-out wire connects with one end of O phase rebound by fastening standard component mode, the other end of O phase rebound connects with O terminal board successively with after transition O busbar, contact row coupled in series, c phase low-voltage coil end lead-out wire connects with one end of c phase rebound by fastening standard component mode, the other end of c phase rebound is connected to O terminal board, a phase low-voltage coil end lead-out wire connects with one end of a phase rebound by fastening standard component mode, and the other end of a phase rebound is connected to O terminal board; A phase low voltage terminal daughter board, b phase low voltage terminal daughter board and c phase low voltage terminal daughter board are all in a side of transformer upper end together and are fixed on the upper clamping piece of transformer.
Transition busbar with connect connecting all by contact of row, transition O busbar and O terminal board and arrange and connect with fastening standard component.
Transition busbar, connection row, transition O busbar are all rolled up iron yoke unshakable in one's determination with transformer with O terminal board and are paralleled layout.
B phase low-voltage coil head end lead-out wire is attached to transition busbar by fastening standard component mode and b phase rebound, and the logical fastening standard component mode of b phase low-voltage coil end busbar connects with transition O busbar, then connects with O terminal board.
The utlity model has that high and low pressure side Wiring area separates completely, the whole outlets in the same side of three-phase low-voltage coil, be convenient to terminal block, obvious energy conservation, safe handling, advantage simple in structure, elegant in appearance, be suitable for three-dimensional rolled iron core transformer, particularly dry-type transformer with three-dimensional rolled iron core.
Accompanying drawing explanation
Fig. 1 is this vertical view that uses the coil first and end pin configuration of novel low pressure y connection;
Fig. 2 is this front view that uses the coil first and end pin configuration of novel low pressure y connection;
Fig. 3 is this left view that uses the coil first and end pin configuration of novel low pressure y connection.
Embodiment
Below in conjunction with embodiment and contrast accompanying drawing the utility model is described in further detail.
A kind of low-voltage y connecting lead structure of dry-type transformer with three-dimensional rolled iron core, comprise and be fixed on the upper end of transformer, a phase low voltage terminal daughter board 12 and the c phase low voltage terminal daughter board 10 in iron yoke outside, b phase low-voltage coil head end lead-out wire connects with one end of b phase rebound 1 by fastening standard component mode, the other end of b phase rebound 1, successively with transition busbar 3, contact row 6 with connects and arrange after 7 coupled in series, finally connects with b phase low voltage terminal daughter board 11; B phase low-voltage coil end lead-out wire connects with one end of O phase rebound 2 by fastening standard component mode, the other end of O phase rebound 2 connects with O terminal board 8 successively with after transition O busbar 4, contact row 6 coupled in series, c phase low-voltage coil end lead-out wire connects with one end of c phase rebound 9 by fastening standard component mode, the other end of c phase rebound 9 is connected to O terminal board 8, a phase low-voltage coil end lead-out wire connects with one end of a phase rebound 13 by fastening standard component mode, and the other end of a phase rebound 13 is connected to O terminal board 8; A phase low voltage terminal daughter board 10, b phase low voltage terminal daughter board 11 and c phase low voltage terminal daughter board 12 are all in a side of transformer upper end together and are fixed on the upper clamping piece 14 of transformer.
Firm with the welding of transition busbar 3 for convenience of the first end leads of low-voltage coil, transition busbar 3 with connect arrange 7, transition O busbar 4 all arranges the fastening standard component 5 of 6 use by contact with connecting of O terminal board 8 and connects.
B phase low-voltage coil head end lead-in wire is attached to transition busbar 3 by fastening standard component mode and b phase rebound 1, and b phase low-voltage coil end busbar connects with transition O busbar 4 by fastening standard component mode, then connects with O terminal board 8.
Claims (4)
1. the low-voltage y connecting lead structure of a dry-type transformer with three-dimensional rolled iron core, comprise and be fixed on the upper end of transformer, a phase low voltage terminal daughter board and the c phase low voltage terminal daughter board in iron yoke outside, feature is: b phase low-voltage coil head end lead-out wire connects with one end of b phase rebound by fastening standard component mode, the other end of b phase rebound is arranged with transition busbar, contact successively and is connected after row's coupled in series, finally connects with b phase low voltage terminal daughter board; B phase low-voltage coil end lead-out wire connects with one end of O phase rebound by fastening standard component mode, the other end of O phase rebound connects with O terminal board successively with after transition O busbar, contact row coupled in series, c phase low-voltage coil end lead-out wire connects with one end of c phase rebound by fastening standard component mode, the other end of c phase rebound is connected to O terminal board, a phase low-voltage coil end lead-out wire connects with one end of a phase rebound by fastening standard component mode, and the other end of a phase rebound is connected to O terminal board; A phase low voltage terminal daughter board, b phase low voltage terminal daughter board and c phase low voltage terminal daughter board are all in a side of transformer upper end together and are fixed on the upper clamping piece of transformer.
2. low-voltage y connecting lead structure according to claim 1, is characterized in that: transition busbar with connect connecting all by contact of row, transition O busbar and O terminal board and arrange and connect with fastening standard component.
3. low-voltage y connecting lead structure according to claim 1, is characterized in that: transition busbar, connection row, transition O busbar are all rolled up iron yoke unshakable in one's determination with transformer with O terminal board and paralleled layout.
4. low-voltage y connecting lead structure according to claim 1, it is characterized in that: b phase low-voltage coil head end lead-out wire is attached to transition busbar by fastening standard component mode and b phase rebound, the logical fastening standard component mode of b phase low-voltage coil end busbar connects with transition O busbar, then connects with O terminal board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320666225.1U CN203552887U (en) | 2013-10-28 | 2013-10-28 | Low voltage y-connection lead structure of three-dimensional wound core dry type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320666225.1U CN203552887U (en) | 2013-10-28 | 2013-10-28 | Low voltage y-connection lead structure of three-dimensional wound core dry type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203552887U true CN203552887U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320666225.1U Expired - Lifetime CN203552887U (en) | 2013-10-28 | 2013-10-28 | Low voltage y-connection lead structure of three-dimensional wound core dry type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203552887U (en) |
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2013
- 2013-10-28 CN CN201320666225.1U patent/CN203552887U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGXI HAN'S POWER TECHNOLOGY CO., LTD. Free format text: FORMER NAME: JIANGXI HAN'S POWER TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 330096 No. seven, No. 918, hi tech Zone, Nanchang hi tech Zone, Jiangxi Patentee after: JIANGXI HAN'S POWER TECHNOLOGY CO.,LTD. Address before: 330096 No. seven, No. 918, hi tech Zone, Nanchang hi tech Zone, Jiangxi Patentee before: JIANGXI HAN'S POWER TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
|
| CX01 | Expiry of patent term |