CN202422943U - Improved practical power transformer core limb - Google Patents
Improved practical power transformer core limb Download PDFInfo
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- CN202422943U CN202422943U CN2012200569907U CN201220056990U CN202422943U CN 202422943 U CN202422943 U CN 202422943U CN 2012200569907 U CN2012200569907 U CN 2012200569907U CN 201220056990 U CN201220056990 U CN 201220056990U CN 202422943 U CN202422943 U CN 202422943U
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- silicon steel
- millimeters
- steel sheet
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- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 193
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052802 copper Inorganic materials 0.000 abstract description 6
- 239000010949 copper Substances 0.000 abstract description 6
- 229910052742 iron Inorganic materials 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract 1
- 238000003475 lamination Methods 0.000 description 7
- 238000004134 energy conservation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000004907 flux 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
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The utility model discloses an improved practical power transformer core limb which comprises 27 levels of silicon steel sheets which are successively superposed, wherein the section of each level of the silicon steel sheet is of a rectangle shape, the whole section of the core limb is a of multi-level stepped shape, and the section of each level of the silicon steel sheet is in rotational symmetry in the circumscribed circle of the core limb up and down and left and right. According to the utility model, the practicability of the core limb is stronger, the effective sectional area is more excellent, the utilization ratio of the section is higher, optimization effect is better, the operability is stronger, the core production cost is lower, the iron loss and the copper loss are reduced, and meanwhile, the core limb has the advantages of energy conversation, noise reduction and the like.
Description
Technical field
The utility model relates to the technical field of power transformer, the practical power transformer iron core post of especially a kind of modified model.
Background technology
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 big 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 core type core structure Design drawing of Unified National usually.Can based on 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 reduce the cost of transformer simultaneously again.
The area of core limb effective cross-section, the geometric cross section product that equals multistage core limb is with the lamination coefficient, and the lamination coefficient is a constant.Hope during design that effective cross-section is big as far as possible, can either reduce iron loss and copper loss like this, can save material again.But in reality, be not only to consider that the effective cross-section maximum gets final product, also the requirement of considered manufacturing process could apply in the practice so well, just can make it to promote better.
The circumscribed circle diameter of core limb is that 650 millimeters power transformer iron core post is a kind of comparatively widely power transformer iron core post of current utilization, has very wide application prospect.Simultaneously, use in the power transformer very widely silicon steel sheet be mostly sheet thick be that 0.35 millimeter, lamination coefficient are 0.93 cold-reduced silicon sheet.But at present thick by sheet is that 0.35 millimeter, lamination coefficient are that 0.93 silicon steel sheet builds up; Circumscribed circle diameter is 650 millimeters a power transformer iron core post; The effective activity coefficient of its core limb (the effective usage factor in circular section) is merely about 93%; Its effective rate of utilization is high not enough, fails to optimize effective cross-section well, fails to reduce well manufacturing cost unshakable in one's determination and reduces iron loss and copper loss well.
Summary of the invention
The utility model is to solve the problems of the technologies described above to provide to have new type section structure and the more practical practical power transformer iron core post of a kind of modified model; Being specially adapted to circumscribed circle diameter and being 650 millimeters, the sheet of silicon steel sheet thick is that 0.35 millimeter, lamination coefficient are 0.93 power transformer iron core post; Its net sectional area is more excellent, utilance is higher, manufacturing cost unshakable in one's determination is lower, reduce iron loss and copper loss more, and have new type section structure energy-conservation and the power transformer iron core post that reduces advantages such as noise.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
The practical power transformer iron core post of a kind of modified model; It is characterized in that: comprise 27 grades of silicon steel sheets that stack successively; The cross section of every grade of silicon steel sheet is rectangular, and 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 650 millimeters, and the sheet of its every silicon steel sheet is thick to be 0.35 millimeter.
The specification of said 27 grades of silicon steel sheets is followed successively by:
The 1st grade of silicon steel sheet wide be 110 millimeters, thick be 17.577 millimeters, required silicon steel sheet sheet number is 54;
The 2nd grade of silicon steel sheet wide be 185 millimeters, thick be 23.436 millimeters, required silicon steel sheet sheet number is 72;
The 3rd level silicon steel sheet is wide be 250 millimeters, thick be 26.04 millimeters, required silicon steel sheet sheet number is 80;
The 4th grade of silicon steel sheet wide be 305 millimeters, thick be 29.295 millimeters, required silicon steel sheet sheet number is 90;
The 5th grade of silicon steel sheet wide be 355 millimeters, thick be 31.899 millimeters, required silicon steel sheet sheet number is 98;
The 6th grade of silicon steel sheet wide be 400 millimeters, thick be 34.503 millimeters, required silicon steel sheet sheet number is 106;
The 7th grade of silicon steel sheet wide be 440 millimeters, thick be 39.711 millimeters, required silicon steel sheet sheet number is 122;
The 8th grade of silicon steel sheet wide be 480 millimeters, thick be 41.664 millimeters, required silicon steel sheet sheet number is 128;
The 9th grade of silicon steel sheet wide be 515 millimeters, thick be 50.127 millimeters, required silicon steel sheet sheet number is 154;
The 10th grade of silicon steel sheet wide be 550 millimeters, thick be 53.382 millimeters, required silicon steel sheet sheet number is 164;
The 11st grade of silicon steel sheet wide be 580 millimeters, thick be 55.335 millimeters, required silicon steel sheet sheet number is 170;
The 12nd grade of silicon steel sheet wide be 605 millimeters, thick be 59.241 millimeters, required silicon steel sheet sheet number is 182;
The 13rd grade of silicon steel sheet wide be 625 millimeters, thick be 65.1 millimeters, required silicon steel sheet sheet number is 200;
The 14th grade of silicon steel sheet wide be 640 millimeters, thick be 113.274 millimeters, required silicon steel sheet sheet number is 348;
The 15th grade of silicon steel sheet wide be 625 millimeters, thick be 65.1 millimeters, required silicon steel sheet sheet number is 200;
The 16th grade of silicon steel sheet wide be 605 millimeters, thick be 59.241 millimeters, required silicon steel sheet sheet number is 182;
The 17th grade of silicon steel sheet wide be 580 millimeters, thick be 55.335 millimeters, required silicon steel sheet sheet number is 170;
The 18th grade of silicon steel sheet wide be 550 millimeters, thick be 53.382 millimeters, required silicon steel sheet sheet number is 164;
The 19th grade of silicon steel sheet wide be 515 millimeters, thick be 50.127 millimeters, required silicon steel sheet sheet number is 154;
The 20th grade of silicon steel sheet wide be 480 millimeters, thick be 41.664 millimeters, required silicon steel sheet sheet number is 128;
The 21st grade of silicon steel sheet wide be 440 millimeters, thick be 39.711 millimeters, required silicon steel sheet sheet number is 122;
The 22nd grade of silicon steel sheet wide be 400 millimeters, thick be 34.503 millimeters, required silicon steel sheet sheet number is 106;
The 23rd grade of silicon steel sheet wide be 355 millimeters, thick be 31.899 millimeters, required silicon steel sheet sheet number is 98;
The 24th grade of silicon steel sheet wide be 305 millimeters, thick be 29.295 millimeters, required silicon steel sheet sheet number is 90;
The 25th grade of silicon steel sheet wide be 250 millimeters, thick be 26.04 millimeters, required silicon steel sheet sheet number is 80;
The 26th grade of silicon steel sheet wide be 185 millimeters, thick be 23.436 millimeters, required silicon steel sheet sheet number is 72;
The 27th grade of silicon steel sheet wide be 110 millimeters, thick be 17.577 millimeters, required silicon steel sheet sheet number is 54;
The cross section of every grade of silicon steel sheet is symmetrical set along the cross section of the 14th grade of silicon steel sheet.
The beneficial effect of the utility model is:
The utility model has designed that a kind of to have practicality simultaneously stronger, and net sectional area is more excellent, and the utilance of pair cross-section is higher, optimizes better effects if; The cross section of silicon steel sheets at different levels in the circumscribed circle of core limb up and down all axial symmetry can make the effective rate of utilization of total cross section higher, improved about 3% than the design of using in the current industrial manufacturing; Operability is stronger, and manufacturing cost unshakable in one's determination is lower, and it is more with copper loss to reduce iron loss, has advantages such as energy-conservation and reduction noise simultaneously.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
As shown in Figure 1, the practical power transformer iron core post of a kind of modified model comprises 27 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 (28) of core limb, and silicon steel sheet four limits that stack are beaten together (promptly in the closed assembly process; Each grade silicon steel sheet is to be piled up by the multi-disc silicon steel sheet to form, and each the level to stack neatly make it to seem as a whole).
The circumscribed circle diameter of its core limb is 650 millimeters, and the sheet of its every silicon steel sheet is thick to be 0.35 millimeter, and the lamination coefficient is 0.93.
The power transformer iron core column section that its 27 grades of silicon steel sheets form is divided into 27 grades, is followed successively by the 1st grade, the 2nd grade, 3rd level ... The 27th grade, wherein:
The 1st grade of silicon steel sheet wide be 110 millimeters, thick be 17.577 millimeters, required silicon steel sheet sheet number is 54 (1);
The 2nd grade of silicon steel sheet wide be 185 millimeters, thick be 23.436 millimeters, required silicon steel sheet sheet number is 72 (2);
The 3rd level silicon steel sheet is wide be 250 millimeters, thick be 26.04 millimeters, required silicon steel sheet sheet number is 80 (3);
The 4th grade of silicon steel sheet wide be 305 millimeters, thick be 29.295 millimeters, required silicon steel sheet sheet number is 90 (4);
The 5th grade of silicon steel sheet wide be 355 millimeters, thick be 31.899 millimeters, required silicon steel sheet sheet number is 98 (5);
The 6th grade of silicon steel sheet wide be 400 millimeters, thick be 34.503 millimeters, required silicon steel sheet sheet number is 106 (6);
The 7th grade of silicon steel sheet wide be 440 millimeters, thick be 39.711 millimeters, required silicon steel sheet sheet number is 122 (7);
The 8th grade of silicon steel sheet wide be 480 millimeters, thick be 41.664 millimeters, required silicon steel sheet sheet number is 128 (8);
The 9th grade of silicon steel sheet wide be 515 millimeters, thick be 50.127 millimeters, required silicon steel sheet sheet number is 154 (9);
The 10th grade of silicon steel sheet wide be 550 millimeters, thick be 53.382 millimeters, required silicon steel sheet sheet number is 164 (10);
The 11st grade of silicon steel sheet wide be 580 millimeters, thick be 55.335 millimeters, required silicon steel sheet sheet number is 170 (11);
The 12nd grade of silicon steel sheet wide be 605 millimeters, thick be 59.241 millimeters, required silicon steel sheet sheet number is 182 (12);
The 13rd grade of silicon steel sheet wide be 625 millimeters, thick be 65.1 millimeters, required silicon steel sheet sheet number is 200 (13);
The 14th grade of silicon steel sheet wide be 640 millimeters, thick be 113.274 millimeters, required silicon steel sheet sheet number is 348 (14);
The 15th grade of silicon steel sheet wide be 625 millimeters, thick be 65.1 millimeters, required silicon steel sheet sheet number is 200 (15);
The 16th grade of silicon steel sheet wide be 605 millimeters, thick be 59.241 millimeters, required silicon steel sheet sheet number is 182 (16);
The 17th grade of silicon steel sheet wide be 580 millimeters, thick be 55.335 millimeters, required silicon steel sheet sheet number is 170 (17);
The 18th grade of silicon steel sheet wide be 550 millimeters, thick be 53.382 millimeters, required silicon steel sheet sheet number is 164 (18);
The 19th grade of silicon steel sheet wide be 515 millimeters, thick be 50.127 millimeters, required silicon steel sheet sheet number is 154 (19);
The 20th grade of silicon steel sheet wide be 480 millimeters, thick be 41.664 millimeters, required silicon steel sheet sheet number is 128 (20);
The 21st grade of silicon steel sheet wide be 440 millimeters, thick be 39.711 millimeters, required silicon steel sheet sheet number is 122 (21);
The 22nd grade of silicon steel sheet wide be 400 millimeters, thick be 34.503 millimeters, required silicon steel sheet sheet number is 106 (22);
The 23rd grade of silicon steel sheet wide be 355 millimeters, thick be 31.899 millimeters, required silicon steel sheet sheet number is 98 (23);
The 24th grade of silicon steel sheet wide be 305 millimeters, thick be 29.295 millimeters, required silicon steel sheet sheet number is 90 (24);
The 25th grade of silicon steel sheet wide be 250 millimeters, thick be 26.04 millimeters, required silicon steel sheet sheet number is 80 (25);
The 26th grade of silicon steel sheet wide be 185 millimeters, thick be 23.436 millimeters, required silicon steel sheet sheet number is 72 (26);
The 27th grade of silicon steel sheet wide be 110 millimeters, thick be 17.577 millimeters, required silicon steel sheet sheet number is 54 (27);
After lamination stacks and finishes, core limb is installed fastening.
The cross section of every grade of silicon steel sheet is symmetrical set along the cross section of the 14th grade of silicon steel sheet (14).
The maximum of the core limb net sectional area of the utility model can reach 320604.5 square millimeters, and the effective usage factor in circular section can reach 96.6%, has improved about 3% than the design of using in the current industrial manufacturing.Simultaneously, this design has very strong practicality, and is workable, and manufacturing cost unshakable in one's determination is lower, and it is more with copper loss to reduce iron loss, and has advantages such as energy-conservation and reduction noise.
Claims (3)
1. the practical power transformer iron core post of a modified model; It is characterized in that: comprise 27 grades of silicon steel sheets that stack successively; The cross section of every grade of silicon steel sheet is rectangular, and 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 (28) of core limb; The circumscribed circle of its core limb (28) diameter is 650 millimeters, and the sheet of its every silicon steel sheet is thick to be 0.35 millimeter.
2. the practical power transformer iron core post of a kind of modified model according to claim 1, it is characterized in that: the specification of said 27 grades of silicon steel sheets is followed successively by:
The 1st grade of silicon steel sheet wide be 110 millimeters, thick be 17.577 millimeters, required silicon steel sheet sheet number is 54 (1);
The 2nd grade of silicon steel sheet wide be 185 millimeters, thick be 23.436 millimeters, required silicon steel sheet sheet number is 72 (2);
The 3rd level silicon steel sheet is wide be 250 millimeters, thick be 26.04 millimeters, required silicon steel sheet sheet number is 80 (3);
The 4th grade of silicon steel sheet wide be 305 millimeters, thick be 29.295 millimeters, required silicon steel sheet sheet number is 90 (4);
The 5th grade of silicon steel sheet wide be 355 millimeters, thick be 31.899 millimeters, required silicon steel sheet sheet number is 98 (5);
The 6th grade of silicon steel sheet wide be 400 millimeters, thick be 34.503 millimeters, required silicon steel sheet sheet number is 106 (6);
The 7th grade of silicon steel sheet wide be 440 millimeters, thick be 39.711 millimeters, required silicon steel sheet sheet number is 122 (7);
The 8th grade of silicon steel sheet wide be 480 millimeters, thick be 41.664 millimeters, required silicon steel sheet sheet number is 128 (8);
The 9th grade of silicon steel sheet wide be 515 millimeters, thick be 50.127 millimeters, required silicon steel sheet sheet number is 154 (9);
The 10th grade of silicon steel sheet wide be 550 millimeters, thick be 53.382 millimeters, required silicon steel sheet sheet number is 164 (10);
The 11st grade of silicon steel sheet wide be 580 millimeters, thick be 55.335 millimeters, required silicon steel sheet sheet number is 170 (11);
The 12nd grade of silicon steel sheet wide be 605 millimeters, thick be 59.241 millimeters, required silicon steel sheet sheet number is 182 (12);
The 13rd grade of silicon steel sheet wide be 625 millimeters, thick be 65.1 millimeters, required silicon steel sheet sheet number is 200 (13);
The 14th grade of silicon steel sheet wide be 640 millimeters, thick be 113.274 millimeters, required silicon steel sheet sheet number is 348 (14);
The 15th grade of silicon steel sheet wide be 625 millimeters, thick be 65.1 millimeters, required silicon steel sheet sheet number is 200 (15);
The 16th grade of silicon steel sheet wide be 605 millimeters, thick be 59.241 millimeters, required silicon steel sheet sheet number is 182 (16);
The 17th grade of silicon steel sheet wide be 580 millimeters, thick be 55.335 millimeters, required silicon steel sheet sheet number is 170 (17);
The 18th grade of silicon steel sheet wide be 550 millimeters, thick be 53.382 millimeters, required silicon steel sheet sheet number is 164 (18);
The 19th grade of silicon steel sheet wide be 515 millimeters, thick be 50.127 millimeters, required silicon steel sheet sheet number is 154 (19);
The 20th grade of silicon steel sheet wide be 480 millimeters, thick be 41.664 millimeters, required silicon steel sheet sheet number is 128 (20);
The 21st grade of silicon steel sheet wide be 440 millimeters, thick be 39.711 millimeters, required silicon steel sheet sheet number is 122 (21);
The 22nd grade of silicon steel sheet wide be 400 millimeters, thick be 34.503 millimeters, required silicon steel sheet sheet number is 106 (22);
The 23rd grade of silicon steel sheet wide be 355 millimeters, thick be 31.899 millimeters, required silicon steel sheet sheet number is 98 (23);
The 24th grade of silicon steel sheet wide be 305 millimeters, thick be 29.295 millimeters, required silicon steel sheet sheet number is 90 (24);
The 25th grade of silicon steel sheet wide be 250 millimeters, thick be 26.04 millimeters, required silicon steel sheet sheet number is 80 (25);
The 26th grade of silicon steel sheet wide be 185 millimeters, thick be 23.436 millimeters, required silicon steel sheet sheet number is 72 (26);
The 27th grade of silicon steel sheet wide be 110 millimeters, thick be 17.577 millimeters, required silicon steel sheet sheet number is 54 (27).
3. the practical power transformer iron core post of a kind of modified model according to claim 1, it is characterized in that: the cross section of every grade of silicon steel sheet is symmetrical set along the cross section of the 14th grade of silicon steel sheet (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200569907U CN202422943U (en) | 2012-02-22 | 2012-02-22 | Improved practical power transformer core limb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200569907U CN202422943U (en) | 2012-02-22 | 2012-02-22 | Improved practical power transformer core limb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202422943U true CN202422943U (en) | 2012-09-05 |
Family
ID=46747679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200569907U Expired - Fee Related CN202422943U (en) | 2012-02-22 | 2012-02-22 | Improved practical power transformer core limb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202422943U (en) |
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2012
- 2012-02-22 CN CN2012200569907U patent/CN202422943U/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: 20141010 Owner name: STATE GRID ZHEJIANG ELECTRIC POWER COMPANY SHAOXIN Effective date: 20141010 |
|
| 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: Fu Weidi Inventor after: Lv Hang Inventor after: Han Tuo Inventor after: Jin Mengying Inventor after: Zhou Hui Inventor before: Jiang Xuefeng Inventor before: Li Jie |
|
| 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 LI JIE TO: XU YUE FU WEIDI LV HANG KAN TUO JIN MENGYING ZHOU HUI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141010 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 |
Granted publication date: 20120905 Termination date: 20170222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |