CN102262955A - 110kV and higher voltage level stereo triangle wound iron core power transformer - Google Patents
110kV and higher voltage level stereo triangle wound iron core power transformer Download PDFInfo
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- CN102262955A CN102262955A CN 201010190707 CN201010190707A CN102262955A CN 102262955 A CN102262955 A CN 102262955A CN 201010190707 CN201010190707 CN 201010190707 CN 201010190707 A CN201010190707 A CN 201010190707A CN 102262955 A CN102262955 A CN 102262955A
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Abstract
The invention discloses a 110kV and higher voltage level stereo triangle wound iron core power transformer, which comprises a stereo triangle wound iron core, windings, angle rings, end rings, insulating end rings, insulating end plates and frame clamping pieces, wherein the stereo triangle wound iron core consists of iron yokes and iron core columns, wherein three iron core columns are arranged in a regular triangle shape; two adjacent iron core columns are connected through an iron yoke; the angle rings, the insulating end rings, the end rings and the insulating end plates are arranged at two ends of the iron core columns in turn; the end parts of the iron core columns are provided with the insulating end plates; the frame clamping pieces cover the iron yokes; and supporting plates on the frame clamping pieces are connected with the insulating end plates through pressing nails. Due to the structure, silicon steel strips are tightly wound, magnetization directions of the silicon steel strips are completely consistent with a magnetic circuit direction of the iron core, the operating vibration is low, and the noise of the wound iron core due to a discontinuous magnetic circuit is avoided.
Description
Technical field
The invention belongs to the technical field of power equipment, be meant that specifically a kind of 110kV and above electric pressure 3-D triangle roll up power transformer unshakable in one's determination.
Background technology
The 110kV in the market and the power transformer of above electric pressure, the iron core that is adopted is laminated core.Laminated core is that the silicon steel sheet that silicon strip is shaped forms silicon steel sheet again by the certain way closed assembly by slitting production line and the horizontal production line of cutting.The major defect of laminated core: 1. exist the air-gap that many seams form in magnetic circuit, this air-gap has strengthened the magnetic resistance of magnetic circuit, thereby has increased no-load loss and no-load current.2. the high magnetic conduction direction of the direction of local area magnetic circuit and silicon strip is inconsistent.3. defective tightness between sheet and the sheet has not only reduced the lamination coefficient, the more important thing is and has strengthened noise.4. three-phase magnetic circuit imbalance causes the three-phase current unbalance of power transformer.In sum, the laminated core power transformer exists obvious defects, is further improved.
Summary of the invention
The objective of the invention is: provide a kind of rational in infrastructure, safe and reliable, energy-conservation province material, three-phase equilibrium reduces a kind of 110kV and the above electric pressure 3-D triangle of noise and rolls up power transformer unshakable in one's determination.
The present invention is achieved in that a kind of 110kV and above electric pressure 3-D triangle roll up power transformer unshakable in one's determination, comprise 3-D triangle volume iron core and winding, its special character is: described 3-D triangle volume is unshakable in one's determination to be made of iron yoke and core limb, three core limbs are equilateral triangle to be arranged, and adjacent two core limbs are linked together by the iron yoke;
Described winding comprises high pressure winding, low pressure winding, or also comprises the pressure regulation winding; High pressure winding and low pressure winding are on core limb; Described pressure regulation winding is also on a core limb;
Also comprise square ring, end ring, insulating end ring, insulating end plate and frame-type folder,
Be disposed with square ring, insulating end ring, end ring and insulating end plate at the two ends of core limb, the core limb end also is arranged on insulating end plate; High pressure winding, low pressure winding and pressure regulation winding are arranged on the core limb between the square ring, and three core limbs pass insulating end plate respectively; The frame-type folder covers the iron yoke, and the support plate on the frame bracket is connected with insulating end plate by pressing nail;
Also comprise insulating cylinder and stay; Described insulating cylinder parcel high pressure winding, low pressure winding and pressure regulation winding; Between adjacent two insulating cylinders stay is set, the gap between adjacent two stays and the insulating cylinder constitutes oil pocket;
Described a kind of 110kV and above electric pressure 3-D triangle are rolled up power transformer unshakable in one's determination, its special character is: described 3-D triangle volume is unshakable in one's determination to be put together by three identical single frames, and three core limbs after the amalgamation are the three-dimensional arrangement of equilateral triangle; The cross section of core limb is similar round.
Described a kind of 110kV and above electric pressure 3-D triangle are rolled up power transformer unshakable in one's determination, and its special character is: winding is provided with second stay, cushion block and oil baffle; Cushion block is positioned at the two ends of winding on the core limb, and second stay is on the winding between two cushion blocks;
Second stay cooperates with insulating cylinder and winding.
A kind of 110KV of the present invention and above electric pressure 3-D triangle are rolled up power transformer unshakable in one's determination, owing to adopt such structure, 3-D triangle volume iron core is to be put together by three identical single frames, three stems of the iron core after the amalgamation are the three-dimensional arrangement of equilateral triangle, guarantee the three phase supply balance, and magnetic resistance is reduced greatly, exciting current, no-load loss significantly reduce.Each single frame is to be formed by some trapezoidal strips continuous reeling successively, reels between the silicon strip closely, and the magnetic conduction direction of silicon strip is in full accord with magnetic circuit direction unshakable in one's determination, during work vibration little, solved the noise that laminated core sends because of magnetic circuit is discontinuous.Single frame cross section behind the coiling is near semicircle, and the cross section after the amalgamation is very near the accurate polygon (as shown in Figure 3) of full circle, and the trapezoidal strip of the different size of coiling single frame is cut out a piece of cloth in a way with the minimum material to make two or more articles of clothing processing by special-purpose broken line cutting machine and obtained.Thisly cut out a piece of cloth in a way with the minimum material to make two or more articles of clothing processing and can accomplish not have the processing of expense material, when promptly cutting out a piece of cloth in a way with the minimum material to make two or more articles of clothing, stock utilization is 100%.
Description of drawings
Fig. 1 is a cutaway view of the present invention.
Fig. 2 is a 3-D triangle volume of the present invention stereogram unshakable in one's determination.
Fig. 3 is the sectional view of 3-D triangle volume of the present invention core limb unshakable in one's determination.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.
As shown in Figure 1 and Figure 2, a kind of 110kV and above electric pressure 3-D triangle are rolled up power transformer unshakable in one's determination, comprise 3-D triangle volume iron core and winding, as shown in Figure 2, described 3-D triangle volume unshakable in one's determination 1 is made of iron yoke 11 and core limb 12, three core limbs 12 are equilateral triangle to be arranged, and adjacent two core limbs 12 are linked together by iron yoke 11;
Described winding comprises high pressure winding 21, low pressure winding 22, or also comprises pressure regulation winding 23; High pressure winding 21 and low pressure winding 22 are on the core limb 12; Described pressure regulation winding 23 is also on a core limb 12;
Also comprise square ring 3, end ring 4, insulating end ring 5, insulating end plate 6 and frame-type folder 7,
Be disposed with square ring 3, insulating end ring 5, end ring 4 and insulating end ring 5 at the two ends of core limb, core limb 12 ends also are provided with insulating end plate 6; High pressure winding 21, low pressure winding 22 and pressure regulation winding 23 are arranged on the core limb 12 between the square ring 3, and three core limbs 12 pass insulating end plate 6 respectively; Frame-type folder 7 covers iron yokes 11, and the support plate 71 on the frame-type folder 7 is connected with insulating end plate 6 by pressing nail 8;
Also comprise insulating cylinder 9 and stay 10;
Described insulating cylinder 9 parcel high pressure windings 21, low pressure winding 22 and pressure regulation winding 23; Between adjacent two insulating cylinders 9 stay 10 is set, the gap between adjacent two stays 10 and the insulating cylinder 9 constitutes oil pocket;
As shown in Figure 2, described 3-D triangle volume unshakable in one's determination 1 is put together by three identical single frames, and three core limbs 12 after the amalgamation are that equilateral triangle is three-dimensional to be arranged;
As shown in Figure 3, the cross section of core limb 12 is similar round.
Described winding is provided with second stay 13, cushion block 14 and oil baffle 15; Cushion block 14 is positioned at the two ends of winding on the core limb 12, and second stay 13 is on the winding between two cushion blocks 14;
Above-described only is preferential execution mode of the present invention.Should be pointed out that for the person of ordinary skill of the art under the situation that does not break away from the principle of the invention, can also make some improvement and modification, this also is considered as protection scope of the present invention.
Claims (3)
1. a 110kV and above electric pressure 3-D triangle are rolled up power transformer unshakable in one's determination, comprise 3-D triangle volume iron core and winding, it is characterized in that: described 3-D triangle volume is unshakable in one's determination to be made of iron yoke and core limb, three core limbs are equilateral triangle to be arranged, and adjacent two core limbs are linked together by the iron yoke;
Described winding comprises high pressure winding, low pressure winding, or also comprises the pressure regulation winding; High pressure winding and low pressure winding are on core limb; Described pressure regulation winding is also on a core limb;
Also comprise square ring, end ring, insulating end ring, insulating end plate and frame-type folder,
Be disposed with square ring, insulating end ring, end ring and insulating end ring at the two ends of core limb, the core limb end also is arranged on insulating end plate; High pressure winding, low pressure winding and pressure regulation winding are arranged on the core limb between the square ring, and three core limbs pass insulating end plate respectively; The frame-type folder covers the iron yoke, and the support plate on the frame bracket is connected with insulating end plate by pressing nail;
Also comprise insulating cylinder and stay;
Described insulating cylinder parcel high pressure winding, low pressure winding and pressure regulation winding; Between adjacent two insulating cylinders stay is set, the gap between adjacent two stays and the insulating cylinder constitutes oil pocket;
2. a kind of 110kV according to claim 1 and above electric pressure 3-D triangle are rolled up power transformer unshakable in one's determination, it is characterized in that: described 3-D triangle volume is unshakable in one's determination to be put together by three identical single frames, and three core limbs after the amalgamation are the three-dimensional arrangement of equilateral triangle;
The cross section of core limb is similar round.
3. a kind of 110kV according to claim 1 and 2 and above electric pressure 3-D triangle are rolled up power transformer unshakable in one's determination, and it is characterized in that: winding is provided with second stay, cushion block and oil baffle; Cushion block is positioned at the two ends of winding on the core limb, and second stay is on the winding between two cushion blocks;
Second stay cooperates with insulating cylinder and winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010190707 CN102262955A (en) | 2010-05-28 | 2010-05-28 | 110kV and higher voltage level stereo triangle wound iron core power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010190707 CN102262955A (en) | 2010-05-28 | 2010-05-28 | 110kV and higher voltage level stereo triangle wound iron core power transformer |
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| Publication Number | Publication Date |
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| CN102262955A true CN102262955A (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010190707 Pending CN102262955A (en) | 2010-05-28 | 2010-05-28 | 110kV and higher voltage level stereo triangle wound iron core power transformer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592796A (en) * | 2012-03-19 | 2012-07-18 | 正泰电气股份有限公司 | End structure of voltage regulating coil of transformer |
| CN103177860A (en) * | 2013-03-01 | 2013-06-26 | 戴如宏 | Stereoscopic rolling iron core intelligent transformer |
| CN104795212A (en) * | 2015-04-14 | 2015-07-22 | 海鸿电气有限公司 | Three-dimensional wound core open-type dry type transformer with voltage grade being 110kV and above |
| CN105529145A (en) * | 2014-09-30 | 2016-04-27 | 国家电网公司 | Resin insulation dry type transformer with three-dimensional roll iron core |
| CN107680780A (en) * | 2017-10-24 | 2018-02-09 | 山东达驰电气有限公司 | A kind of loop construction of transformer |
| CN112185653A (en) * | 2020-09-29 | 2021-01-05 | 常州西电变压器有限责任公司 | Oil seal structure and oil seal method for cooling transformer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201072688Y (en) * | 2007-07-27 | 2008-06-11 | 中电电气集团有限公司 | Transformer oil baffle device and oil guiding structure using the same |
| CN101236824A (en) * | 2007-12-20 | 2008-08-06 | 卧龙电气集团股份有限公司 | Body structure of single-phase traction transformer |
| CN201741535U (en) * | 2010-05-28 | 2011-02-09 | 广东海鸿变压器有限公司 | Stereo-triangular wound core power transformer with voltage class more than or equal to 110KV |
-
2010
- 2010-05-28 CN CN 201010190707 patent/CN102262955A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201072688Y (en) * | 2007-07-27 | 2008-06-11 | 中电电气集团有限公司 | Transformer oil baffle device and oil guiding structure using the same |
| CN101236824A (en) * | 2007-12-20 | 2008-08-06 | 卧龙电气集团股份有限公司 | Body structure of single-phase traction transformer |
| CN201741535U (en) * | 2010-05-28 | 2011-02-09 | 广东海鸿变压器有限公司 | Stereo-triangular wound core power transformer with voltage class more than or equal to 110KV |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592796A (en) * | 2012-03-19 | 2012-07-18 | 正泰电气股份有限公司 | End structure of voltage regulating coil of transformer |
| CN103177860A (en) * | 2013-03-01 | 2013-06-26 | 戴如宏 | Stereoscopic rolling iron core intelligent transformer |
| CN105529145A (en) * | 2014-09-30 | 2016-04-27 | 国家电网公司 | Resin insulation dry type transformer with three-dimensional roll iron core |
| CN104795212A (en) * | 2015-04-14 | 2015-07-22 | 海鸿电气有限公司 | Three-dimensional wound core open-type dry type transformer with voltage grade being 110kV and above |
| CN104795212B (en) * | 2015-04-14 | 2018-08-10 | 广东敞开电气有限公司 | 110kV and above three dimensional wound core open dry-type transformer |
| CN107680780A (en) * | 2017-10-24 | 2018-02-09 | 山东达驰电气有限公司 | A kind of loop construction of transformer |
| CN112185653A (en) * | 2020-09-29 | 2021-01-05 | 常州西电变压器有限责任公司 | Oil seal structure and oil seal method for cooling transformer |
| CN112185653B (en) * | 2020-09-29 | 2021-11-23 | 常州西电变压器有限责任公司 | Oil seal structure and oil seal method for cooling transformer |
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Application publication date: 20111130 |