CN202796354U - Iron core column of energy conservation and noise reduction type power transformer - Google Patents
Iron core column of energy conservation and noise reduction type power transformer Download PDFInfo
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- CN202796354U CN202796354U CN 201220510689 CN201220510689U CN202796354U CN 202796354 U CN202796354 U CN 202796354U CN 201220510689 CN201220510689 CN 201220510689 CN 201220510689 U CN201220510689 U CN 201220510689U CN 202796354 U CN202796354 U CN 202796354U
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 238000004134 energy conservation Methods 0.000 title abstract description 11
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 123
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052802 copper Inorganic materials 0.000 abstract description 5
- 239000010949 copper Substances 0.000 abstract description 5
- 230000004907 flux Effects 0.000 abstract description 5
- 238000004804 winding Methods 0.000 abstract 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
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Abstract
The utility model discloses an iron core column of an energy conservation and noise reduction type power transformer. The iron core column comprises 33 stages of sequentially overlapped silicon steel sheets, the section of each stage of silicon steel sheet is rectangular, the whole section of the iron core column is in the shape of multi-stage steps, the sections of all stages of silicon steel sheets are vertically and laterally axially symmetrical in a circumcircle of the iron core column, and the diameter of the circumcircle of the iron core column is 800mm. The iron core column of the energy conservation and noise reduction type power transformer is strong in practicality, high in section use ratio, good in energy conservation and noise reduction effects and low in iron core manufacture cost. Compared with the iron core column of the traditional power transformer, the use ratio of the circular section of the iron core column is improved by 3.7746%, and the section of an iron core can be increased by 4.04%; when the flux density of the iron core is not changed, the number of turns of windings of the iron core can be reduced by 3.9%, copper lead quality can be reduced by 3.9%, and load loss can be reduced by 3.9%; and when the number of turns of windings is not changed, the flux density of the iron core can be reduced by 3.9%, noise can be reduced by 1.107dB, and no-load loss can be reduced by 3.535%.
Description
Technical field
The utility model relates to the technical field of power transformer, especially a kind of energy-saving and noise reduction type power transformer iron core post.
Background technology
Along with a large amount of consumption of expanding economy and the energy, social energy conservation consciousness is also more and more higher.And the current power transformer that very extensively uses is about more than 2,500 hundred million in the annual total electric energy loss of China, is equivalent to the power consumption sum of three medium provinces, as seen power transformer is carried out the energy-saving design important in inhibiting.
In addition, at present along with the very fast growth of China's power load and progressively concentrated, require power transformer to go deep into load center, to reduce radius of electricity supply, so just so that increasing power transformer appears at residential area, business district and common service area, yet power transformer has general higher noise, and transformer station's surrounding enviroment have been caused comparatively serious noise jamming, and is therefore also imperative to the noise abatement of power transformer.
For power transformer, iron core is important part, and it is the flux circuit of transformer, is again the supporting core of transformer.Iron core is divided into core type and shell-type two large basic structure forms, and wherein, the core type core structure is the core construction form that China transformer manufactory generally adopts.In the design of power transformer, how the cross section of core limb is designed is a very important link.China's transformer manufacturing industry adopts the design drawing of the unified core type core structure in the whole nation usually.Can according to knowhow for many years, each factory exists the query to existing design: improve and how to improve these designs, could both improve result of use, can make again the power transformer iron core post have preferably energy-conservation and noise reduction effect simultaneously.
The area of core limb effective cross-section equal the geometric cross section product of multistage core limb with the lamination coefficient, and the lamination coefficient is a constant.Wish during design that effective cross-section is as far as possible large, can either reduce iron loss and copper loss like this, can save material again.But in practice, not only to consider that the effective cross-section maximum gets final product, also should consider the requirement of manufacturing process, could apply to well in the practice like this, just can make it to promote better.
The circumscribed circle diameter of core limb is that 800 millimeters power transformer iron core post is comparatively widely a kind of power transformer iron core post of current utilization, has very wide application prospect.But be 800 millimeters power transformer iron core post at present by circumscribed circle diameter, the effective activity coefficient of its core limb (circular section effective rate of utilization) only is 93.48%, its effective rate of utilization is high not enough, fail to optimize well effective cross-section, fail to reduce well manufacturing cost unshakable in one's determination and reduce well iron loss and copper loss, the noise decrease of failing to carry out well, its energy-conservation and noise reduction effect are good not.
Summary of the invention
The utility model provides a kind of energy-saving and noise reduction type power transformer iron core post that has the new type section structure and have better energy-conservation and noise reduction effect for solving the problems of the technologies described above, be specially adapted to circumscribed circle diameter and be 800 millimeters power transformer iron core post, it is practical, the utilance of pair cross-section is higher, energy-conservation and better, the unshakable in one's determination manufacturing cost of noise reduction effect is lower.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of energy-saving and noise reduction type power transformer iron core post, it is characterized in that: comprise 33 grades of silicon steel sheets that stack successively, the cross section of every grade of silicon steel sheet is rectangular, the stem global sections becomes multistage stairstepping, and the cross section of silicon steel sheets at different levels axial symmetry all up and down in the circumscribed circle of core limb, the circumscribed circle diameter of its core limb is 800 millimeters.
The specification of described 33 grades of silicon steel sheets is followed successively by:
The 1st grade be wide be 115 millimeters, thick be 8 millimeters silicon steel sheet;
The 2nd grade be wide be 195 millimeters, thick be 10.5 millimeters silicon steel sheet;
3rd level be wide be 265 millimeters, thick be 12 millimeters silicon steel sheet;
The 4th grade be wide be 325 millimeters, thick be 13.5 millimeters silicon steel sheet;
The 5th grade be wide be 380 millimeters, thick be 14.5 millimeters silicon steel sheet;
The 6th grade be wide be 430 millimeters, thick be 15.5 millimeters silicon steel sheet;
The 7th grade be wide be 475 millimeters, thick be 18 millimeters silicon steel sheet;
The 8th grade be wide be 520 millimeters, thick be 18.5 millimeters silicon steel sheet;
The 9th grade be wide be 560 millimeters, thick be 21 millimeters silicon steel sheet;
The 10th grade be wide be 600 millimeters, thick be 21.5 millimeters silicon steel sheet;
The 11st grade be wide be 635 millimeters, thick be 24.5 millimeters silicon steel sheet;
The 12nd grade be wide be 670 millimeters, thick be 25 millimeters silicon steel sheet;
The 13rd grade be wide be 700 millimeters, thick be 30 millimeters silicon steel sheet;
The 14th grade be wide be 730 millimeters, thick be 31.5 millimeters silicon steel sheet;
The 15th grade be wide be 755 millimeters, thick be 33 millimeters silicon steel sheet;
The 16th grade be wide be 775 millimeters, thick be 36 millimeters silicon steel sheet;
The 17th grade be wide be 790 millimeters, thick be 126 millimeters silicon steel sheet;
The 18th grade be wide be 775 millimeters, thick be 36 millimeters silicon steel sheet;
The 19th grade be wide be 755 millimeters, thick be 33 millimeters silicon steel sheet;
The 20th grade be wide be 730 millimeters, thick be 31.5 millimeters silicon steel sheet;
The 21st grade be wide be 700 millimeters, thick be 30 millimeters silicon steel sheet;
The 22nd grade be wide be 670 millimeters, thick be 25 millimeters silicon steel sheet;
The 23rd grade be wide be 635 millimeters, thick be 24.5 millimeters silicon steel sheet;
The 24th grade be wide be 600 millimeters, thick be 21.5 millimeters silicon steel sheet;
The 25th grade be wide be 560 millimeters, thick be 21 millimeters silicon steel sheet;
The 26th grade be wide be 520 millimeters, thick be 18.5 millimeters silicon steel sheet;
The 27th grade be wide be 475 millimeters, thick be 18 millimeters silicon steel sheet;
The 28th grade be wide be 430 millimeters, thick be 15.5 millimeters silicon steel sheet;
The 29th grade be wide be 380 millimeters, thick be 14.5 millimeters silicon steel sheet;
The 30th grade be wide be 325 millimeters, thick be 13.5 millimeters silicon steel sheet;
The 31st grade be wide be 265 millimeters, thick be 12 millimeters silicon steel sheet;
The 32nd grade be wide be 195 millimeters, thick be 10.5 millimeters silicon steel sheet;
The 33rd grade be wide be 115 millimeters, thick be 8 millimeters silicon steel sheet;
The cross section of every grade of silicon steel sheet is symmetrical arranged along the cross section of the 17th grade of silicon steel sheet.
The beneficial effects of the utility model are:
This energy-saving and noise reduction type power transformer iron core post utilance practical, pair cross-section is higher, energy-conservation and better, the unshakable in one's determination manufacturing cost of noise reduction effect is lower, compare with the conventional electric power leg, its core limb circular section utilance will improve 3.7746%, core section will increase by 4.04%, when magnetic unshakable in one's determination close when constant, its umber of turn will reduce 3.9%, and the copper conductor quality will reduce 3.9%, and load loss will reduce 3.9%; When umber of turn is constant, its magnetic flux density will reduce 3.9%, and noise will reduce 1.107dB, and no-load loss will reduce 3.535%.
Description of drawings
Fig. 1 is structural representation of the present utility model
Embodiment
As shown in Figure 1, a kind of energy-saving and noise reduction type power transformer iron core post, comprise 33 grades of silicon steel sheets that stack successively, the cross section of every grade of silicon steel sheet is rectangular, the stem global sections becomes multistage stairstepping, and the cross section of silicon steel sheets at different levels axial symmetry all up and down in the circumscribed circle (34) of core limb, and silicon steel sheet four limits that stack are beaten together (namely in the closed assembly process, every one-level silicon steel sheet is to form by the multi-disc silicon steel sheet is stacking, and every one-level to stack neatly make it to seem as a whole).
The circumscribed circle of its core limb (34) diameter is 800 millimeters, and core limb circular section utilance is 97.2546%.
The power transformer iron core column section that its 33 grades of silicon steel sheets form is divided into 33 grades, is followed successively by the 1st grade, the 2nd grade, 3rd level ... the 33rd grade, wherein:
The 1st grade be wide be 115 millimeters, thick be 8 millimeters silicon steel sheet (1);
The 2nd grade be wide be 195 millimeters, thick be 10.5 millimeters silicon steel sheet (2);
3rd level be wide be 265 millimeters, thick be 12 millimeters silicon steel sheet (3);
The 4th grade be wide be 325 millimeters, thick be 13.5 millimeters silicon steel sheet (4);
The 5th grade be wide be 380 millimeters, thick be 14.5 millimeters silicon steel sheet (5);
The 6th grade be wide be 430 millimeters, thick be 15.5 millimeters silicon steel sheet (6);
The 7th grade be wide be 475 millimeters, thick be 18 millimeters silicon steel sheet (7);
The 8th grade be wide be 520 millimeters, thick be 18.5 millimeters silicon steel sheet (8);
The 9th grade be wide be 560 millimeters, thick be 21 millimeters silicon steel sheet (9);
The 10th grade be wide be 600 millimeters, thick be 21.5 millimeters silicon steel sheet (10);
The 11st grade be wide be 635 millimeters, thick be 24.5 millimeters silicon steel sheet (11);
The 12nd grade be wide be 670 millimeters, thick be 25 millimeters silicon steel sheet (12);
The 13rd grade be wide be 700 millimeters, thick be 30 millimeters silicon steel sheet (13);
The 14th grade be wide be 730 millimeters, thick be 31.5 millimeters silicon steel sheet (14);
The 15th grade be wide be 755 millimeters, thick be 33 millimeters silicon steel sheet (15);
The 16th grade be wide be 775 millimeters, thick be 36 millimeters silicon steel sheet (16);
The 17th grade be wide be 790 millimeters, thick be 126 millimeters silicon steel sheet (17);
The 18th grade be wide be 775 millimeters, thick be 36 millimeters silicon steel sheet (18);
The 19th grade be wide be 755 millimeters, thick be 33 millimeters silicon steel sheet (19);
The 20th grade be wide be 730 millimeters, thick be 31.5 millimeters silicon steel sheet (20);
The 21st grade be wide be 700 millimeters, thick be 30 millimeters silicon steel sheet (21);
The 22nd grade be wide be 670 millimeters, thick be 25 millimeters silicon steel sheet (22);
The 23rd grade be wide be 635 millimeters, thick be 24.5 millimeters silicon steel sheet (23);
The 24th grade be wide be 600 millimeters, thick be 21.5 millimeters silicon steel sheet (24);
The 25th grade be wide be 560 millimeters, thick be 21 millimeters silicon steel sheet (25);
The 26th grade be wide be 520 millimeters, thick be 18.5 millimeters silicon steel sheet (26);
The 27th grade be wide be 475 millimeters, thick be 18 millimeters silicon steel sheet (27);
The 28th grade be wide be 430 millimeters, thick be 15.5 millimeters silicon steel sheet (28);
The 29th grade be wide be 380 millimeters, thick be 14.5 millimeters silicon steel sheet (29);
The 30th grade be wide be 325 millimeters, thick be 13.5 millimeters silicon steel sheet (30);
The 31st grade be wide be 265 millimeters, thick be 12 millimeters silicon steel sheet (31);
The 32nd grade be wide be 195 millimeters, thick be 10.5 millimeters silicon steel sheet (32);
The 33rd grade be wide be 115 millimeters, thick be 8 millimeters silicon steel sheet (33);
Lamination stack complete after, core limb is installed fastening.
The cross section of every grade of silicon steel sheet is symmetrical arranged along the cross section of the 17th grade of silicon steel sheet (17).
This energy-saving and noise reduction type power transformer iron core post utilance practical, pair cross-section is higher, energy-conservation and better, the unshakable in one's determination manufacturing cost of noise reduction effect is lower, compare with the conventional electric power leg, its core limb circular section utilance will improve 3.7746%, core section will increase by 4.04%, when magnetic unshakable in one's determination close when constant, its umber of turn will reduce 3.9%, and the copper conductor quality will reduce 3.9%, and load loss will reduce 3.9%; When umber of turn is constant, its magnetic flux density will reduce 3.9%, and noise will reduce 1.107dB, and no-load loss will reduce 3.535%.
Claims (3)
1. energy-saving and noise reduction type power transformer iron core post, it is characterized in that: comprise 33 grades of silicon steel sheets that stack successively, the cross section of every grade of silicon steel sheet is rectangular, the stem global sections becomes multistage stairstepping, and the cross section of silicon steel sheets at different levels axial symmetry all up and down in the circumscribed circle (34) of core limb, the circumscribed circle of its core limb (34) diameter is 800 millimeters.
2. a kind of energy-saving and noise reduction type power transformer iron core post according to claim 1, it is characterized in that: the specification of described 33 grades of silicon steel sheets is followed successively by:
The 1st grade be wide be 115 millimeters, thick be 8 millimeters silicon steel sheet (1);
The 2nd grade be wide be 195 millimeters, thick be 10.5 millimeters silicon steel sheet (2);
3rd level be wide be 265 millimeters, thick be 12 millimeters silicon steel sheet (3);
The 4th grade be wide be 325 millimeters, thick be 13.5 millimeters silicon steel sheet (4);
The 5th grade be wide be 380 millimeters, thick be 14.5 millimeters silicon steel sheet (5);
The 6th grade be wide be 430 millimeters, thick be 15.5 millimeters silicon steel sheet (6);
The 7th grade be wide be 475 millimeters, thick be 18 millimeters silicon steel sheet (7);
The 8th grade be wide be 520 millimeters, thick be 18.5 millimeters silicon steel sheet (8);
The 9th grade be wide be 560 millimeters, thick be 21 millimeters silicon steel sheet (9);
The 10th grade be wide be 600 millimeters, thick be 21.5 millimeters silicon steel sheet (10);
The 11st grade be wide be 635 millimeters, thick be 24.5 millimeters silicon steel sheet (11);
The 12nd grade be wide be 670 millimeters, thick be 25 millimeters silicon steel sheet (12);
The 13rd grade be wide be 700 millimeters, thick be 30 millimeters silicon steel sheet (13);
The 14th grade be wide be 730 millimeters, thick be 31.5 millimeters silicon steel sheet (14);
The 15th grade be wide be 755 millimeters, thick be 33 millimeters silicon steel sheet (15);
The 16th grade be wide be 775 millimeters, thick be 36 millimeters silicon steel sheet (16);
The 17th grade be wide be 790 millimeters, thick be 126 millimeters silicon steel sheet (17);
The 18th grade be wide be 775 millimeters, thick be 36 millimeters silicon steel sheet (18);
The 19th grade be wide be 755 millimeters, thick be 33 millimeters silicon steel sheet (19);
The 20th grade be wide be 730 millimeters, thick be 31.5 millimeters silicon steel sheet (20);
The 21st grade be wide be 700 millimeters, thick be 30 millimeters silicon steel sheet (21);
The 22nd grade be wide be 670 millimeters, thick be 25 millimeters silicon steel sheet (22);
The 23rd grade be wide be 635 millimeters, thick be 24.5 millimeters silicon steel sheet (23);
The 24th grade be wide be 600 millimeters, thick be 21.5 millimeters silicon steel sheet (24);
The 25th grade be wide be 560 millimeters, thick be 21 millimeters silicon steel sheet (25);
The 26th grade be wide be 520 millimeters, thick be 18.5 millimeters silicon steel sheet (26);
The 27th grade be wide be 475 millimeters, thick be 18 millimeters silicon steel sheet (27);
The 28th grade be wide be 430 millimeters, thick be 15.5 millimeters silicon steel sheet (28);
The 29th grade be wide be 380 millimeters, thick be 14.5 millimeters silicon steel sheet (29);
The 30th grade be wide be 325 millimeters, thick be 13.5 millimeters silicon steel sheet (30);
The 31st grade be wide be 265 millimeters, thick be 12 millimeters silicon steel sheet (31);
The 32nd grade be wide be 195 millimeters, thick be 10.5 millimeters silicon steel sheet (32);
The 33rd grade be wide be 115 millimeters, thick be 8 millimeters silicon steel sheet (33).
3. a kind of energy-saving and noise reduction type power transformer iron core post according to claim 1, it is characterized in that: the cross section of every grade of silicon steel sheet is symmetrical arranged along the cross section of the 17th grade of silicon steel sheet (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220510689 CN202796354U (en) | 2012-10-08 | 2012-10-08 | Iron core column of energy conservation and noise reduction type power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220510689 CN202796354U (en) | 2012-10-08 | 2012-10-08 | Iron core column of energy conservation and noise reduction type power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202796354U true CN202796354U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220510689 Expired - Fee Related CN202796354U (en) | 2012-10-08 | 2012-10-08 | Iron core column of energy conservation and noise reduction type power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202796354U (en) |
-
2012
- 2012-10-08 CN CN 201220510689 patent/CN202796354U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: JIANG XUEFENG Effective date: 20140915 Owner name: STATE GRID ZHEJIANG ELECTRIC POWER COMPANY SHAOXIN Effective date: 20140915 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Yue Inventor after: Yu Jian Inventor after: Cai Xiaochun Inventor after: Jiang Biao Inventor after: Shou Zhemiao Inventor after: Wei Wanyong Inventor before: Jiang Xuefeng |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 402569 TONGLIANG, CHONGQING TO: 100031 XICHENG, BEIJING Free format text: CORRECT: INVENTOR; FROM: JIANG XUEFENG TO: XU YUE YU JIAN CAI XIAOCHUN JIANG BIAO SHOU ZHEMIAO WEI WANYONG |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140915 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: State Grid Zhejiang Electric Power Company Patentee after: Shaoxing Power Supply Company of State Grid Zhejiang Electric Power Company Patentee after: State Grid Zhejiang Zhuji Power Supply Co., Ltd. Patentee after: Zhuji Dongbai Electric Power Equipment Manufacturing Co., Ltd. Address before: 402569 Chongqing County, Tongliang West Town, Changxin street, No. 401 Patentee before: Jiang Xuefeng |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20171008 |