CN214097541U - Grading ring for converter transformer partial discharge test device - Google Patents
Grading ring for converter transformer partial discharge test device Download PDFInfo
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- CN214097541U CN214097541U CN202022623042.4U CN202022623042U CN214097541U CN 214097541 U CN214097541 U CN 214097541U CN 202022623042 U CN202022623042 U CN 202022623042U CN 214097541 U CN214097541 U CN 214097541U
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Abstract
The utility model relates to a converter transformer is grading ring for partial discharge test device. Including last equalizer ring, equalizer ring down and be used for going up the connection axis body of equalizer ring and equalizer ring down, go up equalizer ring and equalizer ring down and include a plurality of concentric circular arcs, it is gapped between two adjacent concentric circular arcs, it includes support and a plurality of support connecting rod to connect the axis body, the one end of supporting the connecting rod is connected in the support, the other end of supporting the connecting rod is connected in concentric circular arc, the support connecting rod adopts extending structure in order to change concentric circular arc is to the distance in the centre of a circle, the support also is used for changing for extending structure go up the distance between equalizer ring, the lower equalizer ring. The utility model discloses an useful part: the size and the shape of the grading ring can be adjusted according to different use requirements and environments, the grading effect is maximized, the interference of corona discharge on a partial discharge signal can be effectively avoided or reduced, and the accuracy of a converter transformer partial discharge test is improved.
Description
Technical Field
The utility model relates to an equalizer ring technical field especially relates to an equalizer ring for converter transformer partial discharge test device.
Background
The local discharge test system for the power equipment has the advantages that the area of China is wide, the geographic condition is complex and variable, the altitude difference of different areas is large, a grading ring meeting the field requirement needs to be configured when the local discharge test of the field power equipment is carried out, the requirement that the local discharge quantity of the test equipment is small when the local discharge test of the field power equipment is carried out is met, the grading ring of the existing local discharge test system for the power equipment is small in pipe diameter and not ideal in grading effect, the problems that the electrical protection of the test system is insufficient, the corona onset voltage of the test system is too low, the test cannot be normally completed and the like are caused. The existing grading ring is fixed in shape and size, cannot be adjusted according to actual needs, cannot realize height adjustment, is small in partial discharge signal of the converter transformer, is often submerged in various interference signals, and various interferences must be excluded to accurately measure the partial discharge signal. The head ends of a 330kV sleeve on the net side, a star-shaped sleeve on the valve side and an angular sleeve on the valve side of the diesel wood converter transformer are higher in voltage, and the converter station is high in altitude, so that air is thin and the air gap per unit length is easier to discharge.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a converter transformer is grading ring for partial discharge test device to overcome the above-mentioned not enough that prior art exists.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a converter transformer is equalizer ring for partial discharge test device which characterized in that: including last equalizer ring, equalizer ring down and be used for going up the connection axis body of equalizer ring and equalizer ring down, go up equalizer ring, equalizer ring down and connect the coaxial setting of axis body, it includes a plurality of concentric circular arcs with equalizer ring down to go up equalizer ring, and is gapped between two adjacent concentric circular arcs, it includes support and a plurality of support connecting rod to connect the axis body, the one end of support connecting rod is connected in the support, the other end of support connecting rod is connected in concentric circular arc, the support connecting rod adopts extending structure in order to change concentric circular arc is to the distance in the centre of a circle, the support also is used for changing for extending structure go up equalizer ring, the distance between the equalizer ring down.
Preferably, the support connecting rod comprises a first section rod and a second section rod, the first section rod is arranged at one end of the connecting support, the second section rod is arranged at one end of the connecting support, and the first section rod is sleeved outside the second section rod to form a telescopic structure.
Preferably, the connecting shaft body comprises a first section and a second section, and the first section is sleeved outside the second section to form a telescopic structure.
Preferably, the support connecting rods and the upper grading ring or the lower grading ring are in the same plane, each support connecting rod is connected with one concentric arc, and the support connecting rods are uniformly distributed on the support.
The utility model has the advantages that: the structure can ensure that the equalizing ring can adjust the size and the shape of the equalizing ring according to different use requirements and environments to achieve the maximization of the equalizing effect, the structural design of a plurality of concentric arcs can split the equalizing ring with larger size into a plurality of parts with smaller volume, and the equalizing ring has the advantages of easy manufacture, easy transportation, convenient installation, convenient maintenance, compact structure and the like, can achieve the performance of the integrated equalizing ring after combination, has simple structure and convenient installation, can effectively avoid or reduce the interference of corona discharge on partial discharge signals, the accuracy of the converter transformer partial discharge test is improved; and the length of the support can be adjusted in a telescopic mode, so that the distance between the upper equalizing ring and the lower equalizing ring can be adjusted, and the installation height can be adjusted.
Drawings
Fig. 1 is a schematic structural view of the grading ring for converter transformer partial discharge test apparatus of the present invention;
FIG. 2 is a top view of the grading ring for converter transformer partial discharge testing apparatus of the present invention;
in the figure: 1. an equalizing ring is arranged; 2. a lower grading ring; 3. a connecting shaft body; 11. concentric circular arcs; 31. a support; 32. a support link; 4. a first link; 5. a second section bar; 6. a first section; 7. and a second section.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1 and 2, the present embodiment is a grading ring for a converter transformer partial discharge test apparatus, including an upper grading ring 1, a lower grading ring 2, and a connecting shaft body 3 for the upper grading ring 1 and the lower grading ring 2, the upper equalizing ring 1, the lower equalizing ring 2 and the connecting shaft body 3 are coaxially arranged, the upper equalizing ring 1 and the lower equalizing ring 2 comprise a plurality of concentric arcs 11, a gap is arranged between two adjacent concentric arcs 11, the connecting shaft body 3 includes a bracket 31 and a plurality of support connection rods 32, one end of the support connection rod 32 is connected to the bracket 31, the other end of the supporting connecting rod 32 is connected to the concentric circular arc 11, the supporting connecting rod 32 adopts a telescopic structure to change the distance from the concentric circular arc 11 to the center of the circle, the support 31 is also of a telescopic structure and used for changing the distance between the upper equalizing ring 1 and the lower equalizing ring 2.
The support connecting rod 32 comprises a first section rod 4 and a second section rod 5, the first section rod 4 is arranged at one end of the connecting support 31, the second section rod 5 is arranged at one end of the connecting concentric arc 11, and the first section rod 4 is sleeved outside the second section rod 5 to form a telescopic structure.
The connecting shaft body 3 comprises a first section 6 and a second section 7, and the first section 6 is sleeved outside the second section 7 to form a telescopic structure.
The support connecting rods 32 and the upper grading ring 1 or the lower grading ring 2 are in the same plane, each support connecting rod 32 is connected with one concentric arc 11, and the support connecting rods 32 are uniformly distributed on the support 31.
This embodiment is when implementing, changes through adjusting the support link lever 32 the distance of concentric circular arc 11 to the centre of a circle for the equalizer ring can reach the voltage-sharing effect maximize according to the size and the shape of different operation requirements and environmental adjustment equalizer ring, and thereby can also adjust the distance between equalizer ring, the lower equalizer ring through the length of flexible regulation support, adjusts the mounting height
The utility model can homogenize the electric field distribution of the high-voltage wires around the insulator to the maximum extent, effectively inhibit the corona discharge and the galvanic corrosion loss of the insulator, improve the safety and the reliability of the operation of the composite insulator of the high-voltage transmission line, the gap is arranged between two adjacent concentric arcs, each concentric arc is respectively connected with a supporting leg with adjustable length, the structure ensures that the equalizing ring can adjust the size and the shape of the equalizing ring according to different use requirements and environments, and the maximization of the equalizing effect is achieved, the equalizing ring with larger size can be split into a plurality of parts with smaller volume by the structural design of a plurality of concentric arcs, and the equalizing ring has the advantages of easy manufacture, convenient installation, convenient maintenance, compact structure and the like, and can achieve the performance of the integrated equalizing ring after combination, has simple structure and convenient installation, can effectively avoid or reduce the interference of the corona discharge to partial discharge signals, the accuracy of the converter transformer partial discharge test is improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a converter transformer is equalizer ring for partial discharge test device which characterized in that: including last equalizer ring (1), equalizer ring (2) down and be used for going up equalizer ring (1) and connecting axis body (3) of equalizer ring (2) down, go up equalizer ring (1), equalizer ring (2) down and connecting axis body (3) coaxial setting, go up equalizer ring (1) and equalizer ring (2) down including a plurality of concentric circular arcs (11), it is gapped between two adjacent concentric circular arcs (11), connect axis body (3) including support (31) and a plurality of support link rod (32), the one end of support link rod (32) is connected in support (31), the other end of support link rod (32) is connected in concentric circular arc (11), support link rod (32) adopt extending structure in order to change concentric circular arc (11) to the distance of the centre of a circle, support (31) also are used for changing for extending structure go up equalizer ring (1), The distance between the lower grading rings (2).
2. The grading ring for converter transformer partial discharge test device according to claim 1, wherein: the supporting connecting rod (32) comprises a first section rod (4) and a second section rod (5), the first section rod (4) is arranged at one end of the connecting support (31), the second section rod (5) is arranged at one end of the connecting concentric circular arc (11), and the first section rod (4) is sleeved outside the second section rod (5) to form a telescopic structure.
3. The grading ring for converter transformer partial discharge test device according to claim 1, wherein: the connecting shaft body (3) comprises a first section (6) and a second section (7), and the first section (6) is sleeved outside the second section (7) to form a telescopic structure.
4. The grading ring for converter transformer partial discharge test device according to claim 1, wherein: the support connecting rods (32) and the upper equalizing ring (1) or the lower equalizing ring (2) are arranged in the same plane, each support connecting rod (32) is connected with one concentric arc (11), and the support connecting rods (32) are uniformly distributed on the support (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022623042.4U CN214097541U (en) | 2020-11-13 | 2020-11-13 | Grading ring for converter transformer partial discharge test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022623042.4U CN214097541U (en) | 2020-11-13 | 2020-11-13 | Grading ring for converter transformer partial discharge test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214097541U true CN214097541U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022623042.4U Active CN214097541U (en) | 2020-11-13 | 2020-11-13 | Grading ring for converter transformer partial discharge test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214097541U (en) |
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2020
- 2020-11-13 CN CN202022623042.4U patent/CN214097541U/en active Active
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