CN2884461Y - Insulation structure between spirals of low voltage coil of high-temp. superconductor main transformer - Google Patents
Insulation structure between spirals of low voltage coil of high-temp. superconductor main transformer Download PDFInfo
- Publication number
- CN2884461Y CN2884461Y CNU2005200525576U CN200520052557U CN2884461Y CN 2884461 Y CN2884461 Y CN 2884461Y CN U2005200525576 U CNU2005200525576 U CN U2005200525576U CN 200520052557 U CN200520052557 U CN 200520052557U CN 2884461 Y CN2884461 Y CN 2884461Y
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- Prior art keywords
- coil
- support ring
- profile
- tooth
- insulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
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- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
The utility model relates to an insulated structure between spirals of low tension coil of high-temperature superconductor main transformer, which comprises an insulating cylinder, a coil and a stiffening device of coil. The utility model is characterized in that the stiffening device of coil is a serrate insulated support ring and ringy tines are arranged along outer ring of the serrate insulated support ring. The low tension coil of the high-temperature superconductor transformer is directly wound on the serrate insulated support ring. As an elastic insulator, the serrate insulated support ring shows a structure of hackle which forms the insulation between spirals of low tension coil, the support of framework and its cooling channel, thus meets the requirements on insulating strength, mechanical strength and cooling effect of the high-temperature superconductor transformer.
Description
Technical field
The utility model belongs to low voltage winding in transformers insulating method and structure, refers in particular to insulating method and structure between high-temperature superconductive transformer low-voltage coil spiral.
Background technology
In conventional transformer, the insulating barrier of one deck stacked package is arranged on the lead, dielectric strength is enough big, therefore need not consider additionally to strengthen the dielectric strength of lead.But in high-temperature superconductive transformer, superconducting tape wire gauge thickness is less, and (be generally 4.2mm * 0.23mm), superconducting tape (Bi2223/Ag) is relatively more fragile, and the dielectric strength of lead is difficult to be guaranteed.In order to guarantee the intensity of material, usually in the development of high-temperature superconductive transformer, international superconduction research institution adopts usually and opens the spiral fluted mode solve this problem on insulating cylinder, but it is bigger to make this insulating cylinder difficulty.Domestic superconduction research institution does not also successfully develop the transformer of helical coil structure, and high-temperature superconductor low capacity transformer adopts two disc coil structures mostly.Analyze after repeated discussions, the low-voltage coil of high-temperature superconductive transformer adopts helical structure, can not adopt traditional stay mode that is provided with, and it is no longer suitable that original stay adds the mode of cushion block.Because traditional approach is that stay 2 is bonded at (as shown in Figure 1) on the insulating cylinder 1.Then lead on insulating cylinder 1, coiling is enclosed within cushion block 3 on the stay 2 after the number of turn of drawing regulation, continues around lead then.If according to traditional approach coiling high-temperature superconductive transformer low-voltage coil, because stay has on insulating cylinder at interval, superconducting line will be subjected to uneven power on insulating cylinder, might damage superconducting line when coiling.Therefore, must rethink the insulation system between spiral, make and satisfy dielectric strength, mechanical strength and cooling effect requirement between superconducting transformer low-voltage coil spiral.
Summary of the invention
The purpose of this utility model is, deficiency at insulation system between existing high-temperature superconductive transformer low-voltage coil spiral, a kind of dielectric strength, mechanical strength and good cooling results are provided, and make insulation system between simple high-temperature superconductive transformer low-voltage coil spiral, this insulation system can satisfy the specification requirement of high-temperature superconductive transformer low-voltage coil.
Purpose according to utility model, the technology implementation scheme that is proposed is: adopt insulation system between high-temperature superconductive transformer low-voltage coil spiral, comprise insulating cylinder, coil and coil support device, it is characterized in that: described coil support device is a profile of tooth insulation support ring, the outer ring of profile of tooth insulation support ring is the ring-type profile of tooth, and the high-temperature superconductive transformer low-voltage coil directly is wound on the profile of tooth insulation support ring.Profile of tooth insulation support ring is an elastic insulator, and profile of tooth insulation support ring is zigzag structure when launching.It is base material that this structure can adopt Nomex410 paper, cuts a groove at a certain distance, forms a zigzag structure.This structure is used between the low-voltage coil spiral, forms insulation between spiral, skeleton support and cooling duct thereof.To satisfy high-temperature superconductive transformer low-voltage coil dielectric strength, mechanical strength and cooling effect requirement.
This structure is strengthened dielectric strength between spiral, cooling effect greatly, guarantees the coil mechanical strength.This structure makes helical coil structure a large amount of utilizations in superconducting transformer establish strong basis, and superconducting coil is used widely.Mainly contain following characteristics:
1, coil insulation intensity is reliably guaranteed;
2, owing to have liquid nitrogen passage, helical coil good cooling results;
3, the coil mechanical strength is reliably guaranteed;
4, processing technology is simple.
Description of drawings
Fig. 1 is an insulation mode structural representation between conventional helical;
Fig. 2 is an insulation mode structural representation left view between conventional helical;
Fig. 3 is an insulation system schematic diagram between the utility model spiral;
Fig. 4 is that insulation system profile of tooth dead ring launches schematic diagram between the utility model spiral.
Among the figure: 1, insulating cylinder; 2, stay; 3, cushion block; 4, line cake; 5, ring-type profile of tooth; 6, profile of tooth insulation support ring; 7, cooling duct.
Embodiment
Accompanying drawing has provided an embodiment of the present utility model, and the utility model will be further described below in conjunction with drawings and Examples.
From accompanying drawing as can be seen, the utility model is an insulation system between high-temperature superconductive transformer low-voltage coil spiral, comprise insulating cylinder 1, coil 4 and coil support device, it is characterized in that: described coil support device is a profile of tooth insulation support ring 6, the outer ring of profile of tooth insulation support ring 6 is a ring-type profile of tooth 5, and high-temperature superconductive transformer low-voltage coil 4 directly is wound on the profile of tooth insulation support ring 6.Form cooling duct 7 between the ring-type profile of tooth 5 of profile of tooth insulation support ring 6.Profile of tooth insulation support ring 5 is an elastic insulator, and profile of tooth insulation support ring 5 is zigzag structure when launching.It is base material that this structure can adopt Nomex410 paper, cuts a groove at a certain distance, forms a zigzag structure.This structure is used between the low-voltage coil spiral, forms insulation between spiral, skeleton support and cooling duct thereof.To satisfy high-temperature superconductive transformer low-voltage coil dielectric strength, mechanical strength and cooling effect requirement.
Claims (4)
1, insulation system between high temperature superconducting main transformer low-voltage coil spiral, comprise insulating cylinder (1), coil (4) and coil support device (6), it is characterized in that: described coil support device is a profile of tooth insulation support ring (6), the outer ring of profile of tooth insulation support ring (6) is ring-type profile of tooth (5), and high-temperature superconductive transformer low-voltage coil (4) directly is wound on the profile of tooth insulation support ring (6).
2, insulation system as claimed in claim 1 is characterized in that: described profile of tooth insulation support ring (6) is on the insulating cylinder (1) that is enclosed within the high-temperature superconductive transformer low-voltage coil.
3, insulation system as claimed in claim 1 is characterized in that: described profile of tooth insulation support ring (6) is an elastic insulator, and profile of tooth insulation support ring (6) is a zigzag structure when launching.
4, insulation system as claimed in claim 1 or 2 is characterized in that: described profile of tooth insulation support ring (6) is that employing Nomex410 paper is base material, cuts a groove at a certain distance, the zigzag structure of formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200525576U CN2884461Y (en) | 2005-11-25 | 2005-11-25 | Insulation structure between spirals of low voltage coil of high-temp. superconductor main transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200525576U CN2884461Y (en) | 2005-11-25 | 2005-11-25 | Insulation structure between spirals of low voltage coil of high-temp. superconductor main transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2884461Y true CN2884461Y (en) | 2007-03-28 |
Family
ID=37957514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200525576U Expired - Lifetime CN2884461Y (en) | 2005-11-25 | 2005-11-25 | Insulation structure between spirals of low voltage coil of high-temp. superconductor main transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2884461Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096052A (en) * | 2010-12-17 | 2011-06-15 | 哈尔滨工业大学 | Device and method for testing superconductivity of three-dimensional low-temperature superconducting thin film coil |
| CN102789864A (en) * | 2012-08-16 | 2012-11-21 | 北京云电英纳超导电缆有限公司 | Elastic superconducting magnet skeleton and manufacturing method thereof |
| CN106409487A (en) * | 2016-11-03 | 2017-02-15 | 上海和鸣超导变压器有限公司 | Marine superconducting transformer |
-
2005
- 2005-11-25 CN CNU2005200525576U patent/CN2884461Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096052A (en) * | 2010-12-17 | 2011-06-15 | 哈尔滨工业大学 | Device and method for testing superconductivity of three-dimensional low-temperature superconducting thin film coil |
| CN102789864A (en) * | 2012-08-16 | 2012-11-21 | 北京云电英纳超导电缆有限公司 | Elastic superconducting magnet skeleton and manufacturing method thereof |
| CN106409487A (en) * | 2016-11-03 | 2017-02-15 | 上海和鸣超导变压器有限公司 | Marine superconducting transformer |
| CN106409487B (en) * | 2016-11-03 | 2017-12-19 | 中变集团上海变压器有限公司 | A kind of superconducting transformer peculiar to vessel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SOUTH CAR ZHUZHOU ELECTRIC LOCOMOTIVE CO.; PATENTE Free format text: FORMER NAME OR ADDRESS: ZHUZHOU ELECTRIC LOCOMOTIVE CO., LTD., NANCHE GROUP, CHINA; PATENTEE |
|
| CP03 | Change of name, title or address |
Address after: Hunan province Zhuzhou City Shifeng Tian Xin Zhuzhou Electric Locomotive Ltd, zip code: 412000 Co-patentee after: Zhuzhou CSR Electric Motor Co., Ltd. Patentee after: South car Zhuzhou Electric Locomotive Ltd Address before: Hunan province Zhuzhou City Shifeng Tian Xin Zhuzhou Electric Locomotive Ltd, zip code: 412000 Co-patentee before: Zhuzhou CSR Electric Motor Co., Ltd. Patentee before: China South car group Zhuzhou Electric Locomotive Ltd |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070328 |
|
| EXPY | Termination of patent right or utility model |