CN212648034U - High-voltage D connection lead structure of triangular three-dimensional dry-type transformer - Google Patents
High-voltage D connection lead structure of triangular three-dimensional dry-type transformer Download PDFInfo
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- CN212648034U CN212648034U CN202021720546.1U CN202021720546U CN212648034U CN 212648034 U CN212648034 U CN 212648034U CN 202021720546 U CN202021720546 U CN 202021720546U CN 212648034 U CN212648034 U CN 212648034U
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Abstract
The utility model discloses a high-voltage D connection lead structure of a triangular three-dimensional dry-type transformer, the triangular three-dimensional dry-type transformer adopts a triangular three-dimensional iron core, three-phase high-voltage coils form a structure shaped like a Chinese character 'pin', and the head and tail terminals arranged on each phase of coils are connected to form a D connection method; the three-phase high-voltage coil is respectively an A-phase high-voltage coil, a B-phase high-voltage coil and a C-phase high-voltage coil, and the winding direction of the A-phase high-voltage coil is opposite to that of the B-phase high-voltage coil and the C-phase high-voltage coil; the output terminals of the three-phase high-voltage coil are an A0 output terminal, a B0 output terminal and a C0 output terminal respectively. The utility model discloses a winding direction through changing one of them looks high voltage coil ingeniously through reasonable overall arrangement for whole lead wire structure is very clean and tidy, has safety, pleasing to the eye, succinctly generous, safe and reliable's advantage.
Description
Technical Field
The utility model relates to a power transformer especially relates to a three-dimensional dry-type transformer's of triangle high pressure D connects a method lead structure.
Background
The high-voltage lead D connection method of the traditional three-phase transformer generally has the advantages that the winding directions of three-phase high-voltage coils are consistent, the head ends and the tail ends are consistent, and the head ends and the tail ends of the three-phase high-voltage coils can be conveniently connected into the D connection method in an end-to-end connection mode. Due to the special structure of the triangular three-dimensional dry-type transformer in the shape of the Chinese character pin, the three-phase high-voltage coils cannot be led out from the same side and are connected end to end according to a D connection method, so that the wiring is complex and messy, the overall dimension of the transformer is increased, potential safety hazards exist, the safe operation of the transformer is not facilitated, and the appearance is very ugly.
Disclosure of Invention
The utility model aims to solve the problem that the high-voltage lead wire of the three-dimensional dry-type transformer of triangle is not in same one side, provide a safe, pleasing to the eye three-dimensional dry-type transformer's of triangle high pressure D connection lead wire structure, it is ingenious through changing winding of one of them looks high-voltage coil to, through reasonable overall arrangement for the high-voltage lead wire is succinctly generous, safe and reliable.
The utility model discloses a following scheme realizes:
a high-voltage D connection lead structure of a triangular three-dimensional dry-type transformer adopts a triangular three-dimensional iron core, and is characterized in that: the three-phase high-voltage coils are in a structure like a Chinese character 'pin', and the head and tail terminals arranged on each phase of coils are connected to form a 'D' connection method;
the three-phase high-voltage coil is respectively an A-phase high-voltage coil, a B-phase high-voltage coil and a C-phase high-voltage coil, and the winding direction of the A-phase high-voltage coil is opposite to that of the B-phase high-voltage coil and the C-phase high-voltage coil; the output terminals of the three-phase high-voltage coil are an A0 output terminal, a B0 output terminal and a C0 output terminal respectively;
a terminal A ' with the same potential as that of the head end A is led out from the left side face of the A-phase high-voltage coil, a terminal Y ' with the same potential as that of the tail end Y is led out from the right side face of the B-phase high-voltage coil, and a terminal Z ' with the same potential as that of the tail end Z is led out from the left side face of the C-phase high-voltage coil.
The head end A of the A-phase high-voltage coil is arranged at the upper part of the panel, and a terminal A' is led out from the head end A at an angle of 120 degrees clockwise; the end X is arranged in the lower part of the panel.
The tail end Y of the B-phase high-voltage coil is arranged at the upper part of the panel, and a terminal Y' is led out from the tail end Y by 120 degrees anticlockwise or clockwise; the head end B is arranged in the lower part of the panel.
The tail end of the C-phase high-voltage coil is arranged at a position of a panel head turn anticlockwise by 120 degrees to lead out a terminal Z'; the head end C is arranged at the lower part of the panel.
The D connection method is that the end terminals are connected by leads, and the connecting lead is one of a copper bar, a copper pipe or a copper bar; the method specifically comprises the following steps: the terminal A 'of the A-phase high-voltage coil is connected with the terminal Z' of the C-phase high-voltage coil; the tail end X of the A-phase high-voltage coil is connected with the head end B of the B-phase high-voltage coil, and a B-high-voltage connecting lead is led out upwards and fixed on the clamping piece through an insulator; and a terminal Y' of the B-phase high-voltage coil is connected with the head end C of the C-phase high-voltage coil.
The A0 output terminal is led out from the head end A by a copper bar, the C0 output terminal is led out from the tail end Y by a copper bar, and the B0 output terminal is led out from the positions of a B high-voltage connecting lead, an A0 output terminal and a C0 output terminal which are equal in height by a copper bar.
The connection of the B high-voltage connecting lead and the X-B high-voltage connecting lead adopts one of standard parts and various welding or riveting modes.
The utility model discloses a winding direction through changing one of them looks high voltage coil ingeniously through reasonable overall arrangement for whole lead wire structure is very clean and tidy, has safety, pleasing to the eye, succinctly generous, safe and reliable's advantage.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a left side view of the present invention;
fig. 4 is a right side view of the present invention;
FIG. 5 is a schematic diagram of the present invention;
the reference numbers in the figures denote: 1-A0 output terminal, 2-B0 output terminal, 3-C0 output terminal, 4-B high voltage connection lead, 5-X-B high voltage connection lead, 6-Y ' -C high voltage connection lead, 7-A ' -Z ' high voltage connection lead and 8-insulator.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-5, the utility model relates to a three-dimensional dry-type transformer's of triangle high pressure D connects method pin configuration through reasonable arranging the lead wire for whole pin configuration is very clean and tidy, and is safe generous, specifically as follows:
the tail end X of the A-phase high-voltage coil is connected with the head end B of the B-phase high-voltage coil through an X-B high-voltage connecting lead 5, a B-high-voltage connecting lead 4 is upwards led out from the middle part of the X-B high-voltage connecting lead 5 and is fixed on the clamping piece through an insulator 8.
The terminal A 'of the A-phase high-voltage coil is connected with the terminal Z' of the C-phase high-voltage coil through an A '-Z' high-voltage connecting lead 7.
And a terminal Y 'of the B-phase high-voltage coil is connected with the head end C of the C-phase high-voltage coil through a Y' -C high-voltage connecting lead 6.
The A0 output terminal 1 is led out from the head end A by a copper bar, the C0 output terminal 3 is led out from the tail end Y by a copper bar, and the B0 output terminal 2 is led out from the high positions of the B high-voltage connecting lead wire, the A0 output terminal 1 and the C0 output terminal 3 by a copper bar.
The lead can be a copper bar, can also adopt copper pipe or bar copper, when adopting copper pipe or bar copper, lead wire both ends need to adopt DT terminal to press cold and connect.
The connection of the B high-voltage connecting lead 4 and the X-B high-voltage connecting lead 5 can adopt standard parts and various welding and riveting modes.
Claims (4)
1. A high-voltage D connection lead structure of a triangular three-dimensional dry-type transformer adopts a triangular three-dimensional iron core, and is characterized in that: the three-phase high-voltage coils are in a structure like a Chinese character 'pin', and the head and tail terminals arranged on each phase of coils are connected to form a 'D' connection method;
the three-phase high-voltage coil is respectively an A-phase high-voltage coil, a B-phase high-voltage coil and a C-phase high-voltage coil, and the winding direction of the A-phase high-voltage coil is opposite to that of the B-phase high-voltage coil and the C-phase high-voltage coil; the output terminals of the three-phase high-voltage coil are an A0 output terminal, a B0 output terminal and a C0 output terminal respectively;
a terminal A ' with the same potential as that of the head end A is led out from the left side face of the A-phase high-voltage coil, a terminal Y ' with the same potential as that of the tail end Y is led out from the right side face of the B-phase high-voltage coil, and a terminal Z ' with the same potential as that of the tail end Z is led out from the left side face of the C-phase high-voltage coil.
2. The high-voltage D-connection lead structure of the triangular solid dry-type transformer according to claim 1, wherein: the head end A of the A-phase high-voltage coil is arranged at the upper part of the panel, and a terminal A' is led out from the head end A at an angle of 120 degrees clockwise; the end X is arranged in the lower part of the panel.
3. The high-voltage D-connection lead structure of the triangular solid dry-type transformer according to claim 1, wherein: the tail end Y of the B-phase high-voltage coil is arranged at the upper part of the panel, and a terminal Y' is led out from the tail end Y by 120 degrees anticlockwise or clockwise; the head end B is arranged in the lower part of the panel.
4. The high-voltage D-connection lead structure of the triangular solid dry-type transformer according to claim 1, wherein: the tail end of the C-phase high-voltage coil is arranged at a position of a panel head turn anticlockwise by 120 degrees to lead out a terminal Z'; the head end C is arranged at the lower part of the panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021720546.1U CN212648034U (en) | 2020-08-18 | 2020-08-18 | High-voltage D connection lead structure of triangular three-dimensional dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021720546.1U CN212648034U (en) | 2020-08-18 | 2020-08-18 | High-voltage D connection lead structure of triangular three-dimensional dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212648034U true CN212648034U (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021720546.1U Active CN212648034U (en) | 2020-08-18 | 2020-08-18 | High-voltage D connection lead structure of triangular three-dimensional dry-type transformer |
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| CN (1) | CN212648034U (en) |
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2020
- 2020-08-18 CN CN202021720546.1U patent/CN212648034U/en active Active
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