CN211858379U - Transformer device of being qualified for next round of competitions - Google Patents
Transformer device of being qualified for next round of competitions Download PDFInfo
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- CN211858379U CN211858379U CN202020597914.1U CN202020597914U CN211858379U CN 211858379 U CN211858379 U CN 211858379U CN 202020597914 U CN202020597914 U CN 202020597914U CN 211858379 U CN211858379 U CN 211858379U
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Abstract
The utility model relates to a transformer device of being qualified for next round of competitions, including T shape equalizer tube, L shape equalizer tube, equalizer ball one, equalizer ball two and equalizer ball three, the person in charge upper end of T shape equalizer tube sets up equalizer ball one, and the lower extreme sets up equalizer ball two, and equalizer ball connecting sleeve, equalizer ball two connect insulating return bend one, the one end of L shape equalizer tube is connected the branch pipe of T shape equalizer tube, the other end set up equalizer ball three, and equalizer ball three connects insulating return bend two, all is equipped with insulating fiber container one on T shape equalizer tube and the L shape equalizer tube, all sets up insulating fiber container two on equalizer ball two and the equalizer ball three. The utility model discloses a T shape equalizer tube, L shape equalizer tube and equalizing ball are connected, have optimized the structure of the device of being qualified for the next round of competitions, adopt insulating fiber container to cut apart the oil clearance, improve the allowable field intensity value of every oil clearance, have good insulating reliability, have important effect to the reliable operation of main transformer, have unique connection structure simultaneously, have insulating the number of piles advantage such as few, small.
Description
Technical Field
The utility model relates to a transformer technical field, especially a transformer device of being qualified for next round of competitions.
Background
The wire outlet device is used as a key part of transformer equipment, plays an important role in leading high voltage out of the equipment and connecting the high voltage with external accessories, needs to bear very high voltage in a very small scale, ensures long-term reliable operation under the combined action of multiple stresses such as electricity, magnetism, heat, machinery and the like, and has very high requirements on structural design, material selection and process quality stability. With the rapid development of national economy of China and the rapid increase of power demand, the 500KV line outgoing device on the 800KV converter transformer side has the technical advantages of long distance, high capacity and low loss in power transmission, the development and utilization efficiency of resources can be remarkably improved, and the environmental protection pressure is relieved. The main transformer is one of key equipment of power transmission engineering, the operation reliability of the main transformer is very important, the 500kV outgoing line device is one of key components of the converter transformer, and the insulation reliability of the 500kV outgoing line device is one of key technologies for developing the transformer. The existing 500KV line outgoing device on the 800KV converter transformer network side is unreasonable in structural design, is supported by supporting bars, is easy to deform due to too concentrated stress, and is low in insulation reliability.
Disclosure of Invention
In order to solve the problem, the utility model provides a transformer device of being qualified for the next round of competitions to optimize structure, improve insulating reliability.
In order to realize the above-mentioned purpose, the utility model provides a transformer device of being qualified for next round of competitions, a serial communication port, including T shape voltage-sharing pipe, L shape voltage-sharing pipe, voltage-sharing ball one, voltage-sharing ball two and voltage-sharing ball three, the person in charge upper end of T shape voltage-sharing pipe sets up voltage-sharing ball one, and the lower extreme sets up voltage-sharing ball two, voltage-sharing ball connecting sleeve, and voltage-sharing ball two connects insulating return bend one, the one end of L shape voltage-sharing pipe is connected the branch pipe of T shape voltage-sharing pipe, the other end set up voltage-sharing ball three, voltage-sharing ball three connects insulating return bend two, all is equipped with insulating fiber container one on T shape voltage-sharing pipe and the L shape voltage-sharing pipe, all sets up insulating fiber container two on voltage-sharing ball two.
The utility model provides a transformer device of being qualified for next round of competitions adopts T shape pressure-equalizing pipe, L shape pressure-equalizing pipe and pressure-equalizing ball to connect, has optimized the structure of the device of being qualified for the next round of competitions, adopts insulating fiber container to cut apart the oil clearance, improves the allowable field intensity value of every oil clearance, has good insulating reliability, has important effect to the reliable operation of main transformer, has unique connection structure simultaneously, has advantages such as the number of insulating layers is few, small, and is more convenient when using the equipment.
Drawings
Fig. 1 is a schematic structural diagram of the transformer outlet device of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
Detailed Description
Referring to fig. 1, the transformer outlet device includes a T-shaped voltage-sharing tube, an L-shaped voltage-sharing tube 2, a first voltage-sharing ball 31, a second voltage-sharing ball 32, and a third voltage-sharing ball 33. The T-shaped pressure equalizing pipe is T-shaped and comprises a straight main pipe 11 and a branch pipe 12, wherein the main pipe 11 and the branch pipe 12 form a right angle, a first pressure equalizing ball 31 is arranged at the upper end of the main pipe 11, a second pressure equalizing ball 32 is arranged at the lower end of the main pipe 11, the first pressure equalizing ball 31 is connected with the sleeve 5, and the second pressure equalizing ball 32 is connected with a first insulation bent pipe 41. The L-shaped pressure equalizing pipe 2 is L-shaped, one end of the L-shaped pressure equalizing pipe is connected with the branch pipe 12 of the T-shaped pressure equalizing pipe, the other end of the L-shaped pressure equalizing pipe is provided with a third pressure equalizing ball 33, and the third pressure equalizing ball 33 is connected with a second insulating bent pipe 42. The T-shaped pressure equalizing pipe and the L-shaped pressure equalizing pipe 2 adopt a structure that a copper pipe or an aluminum pipe is externally coated with high-quality insulating paper pulp. Two first insulating paper cylinders 61 are arranged on the T-shaped pressure equalizing pipe, specifically, one first insulating paper cylinder 61 is arranged on the main pipe 11 between the connecting branch pipe 12 and the first connecting pressure equalizing ball 31, and one first insulating paper cylinder 61 is arranged on the branch pipe 12. Three insulating paper cylinders I61 are arranged on the L-shaped pressure equalizing pipe 2. The first equalizing ball 31, the second equalizing ball 32 and the third equalizing ball 33 are wine cup-shaped equalizing balls made of copper plates or aluminum plates, and high-quality insulating paper pulp is externally coated. And the second 32 and the third 33 equalizing balls are provided with second 62 insulating paper tubes. The first insulating paper cylinder 61 and the second insulating paper cylinder 62 are corrugated paper cylinders, each corrugated paper cylinder at least comprises two layers of core paper from inside to outside, and connecting paper is sleeved between every two adjacent layers of core paper. The corrugated paper cylinder surrounds the pressure equalizing pipe or the pressure equalizing ball along the circumferential direction, and the wave crests and the wave troughs uniformly play a supporting role when the oil clearances are equally divided to improve the allowable field intensity value of each oil clearance.
In the figure, the dotted line part is a transformer box body, two voltage-sharing balls are arranged at the junction of the wire outlet device and the box body, and the high-voltage cable is led out of the transformer through two insulation bent pipes. The utility model adopts the T-shaped pressure equalizing tube, the L-shaped pressure equalizing tube and the pressure equalizing ball to connect, thereby optimizing the structure of the wire outlet device and having good insulation reliability; the oil clearance is divided by the insulating paper tube, the allowable field intensity value of each oil clearance is improved, the corrugated paper tube is uniform in support stress distribution and not prone to deformation, and the oil clearance is more reasonable in separation. The utility model has the advantages of good insulating reliability has important effect to the reliable operation of main transformer, has unique connection structure simultaneously, has insulating the number of piles and lacks, small, more convenient when using the assembly.
Claims (3)
1. The transformer wire outlet device is characterized by comprising a T-shaped voltage-sharing tube, an L-shaped voltage-sharing tube (2), a first voltage-sharing ball (31), a second voltage-sharing ball (32) and a third voltage-sharing ball (33), wherein the upper end of a main tube (11) of the T-shaped voltage-sharing tube is provided with the first voltage-sharing ball (31), the lower end of the main tube is provided with the second voltage-sharing ball (32), the first voltage-sharing ball (31) is connected with a sleeve (5), the second voltage-sharing ball (32) is connected with a first insulating bent tube (41), one end of the L-shaped voltage-sharing tube (2) is connected with a branch tube (12) of the T-shaped voltage-sharing tube, the other end of the L-shaped voltage-sharing tube is provided with the third voltage-sharing ball (33), the third voltage-sharing ball (33) is connected with a second insulating bent tube (42), the first insulating paper tubes (61) are arranged on the T-shaped voltage-sharing.
2. The transformer wire outlet device according to claim 1, wherein the T-shaped pressure equalizing pipe and the L-shaped pressure equalizing pipe (2) are both of copper pipe or aluminum pipe externally coated with insulating paper pulp structures.
3. The transformer wire outlet device according to claim 2, wherein the first voltage equalizing ball (31), the second voltage equalizing ball (32) and the third voltage equalizing ball (33) are wine cup-shaped voltage equalizing balls made of copper plates or aluminum plates, and insulating paper pulp is coated on the wine cup-shaped voltage equalizing balls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020597914.1U CN211858379U (en) | 2020-04-21 | 2020-04-21 | Transformer device of being qualified for next round of competitions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020597914.1U CN211858379U (en) | 2020-04-21 | 2020-04-21 | Transformer device of being qualified for next round of competitions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211858379U true CN211858379U (en) | 2020-11-03 |
Family
ID=73176973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020597914.1U Active CN211858379U (en) | 2020-04-21 | 2020-04-21 | Transformer device of being qualified for next round of competitions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211858379U (en) |
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2020
- 2020-04-21 CN CN202020597914.1U patent/CN211858379U/en active Active
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