CN104485218A - Coil structure for double-split superconducting transformer - Google Patents
Coil structure for double-split superconducting transformer Download PDFInfo
- Publication number
- CN104485218A CN104485218A CN201410852204.8A CN201410852204A CN104485218A CN 104485218 A CN104485218 A CN 104485218A CN 201410852204 A CN201410852204 A CN 201410852204A CN 104485218 A CN104485218 A CN 104485218A
- Authority
- CN
- China
- Prior art keywords
- coil
- loop
- division
- layers
- transformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
The invention discloses a coil structure for a double-split superconducting transformer. The coil structure comprises an upper-segment coil and a lower-segment coil, wherein a first insulating cushion block is arranged between the upper-segment coil and the lower-segment coil; the upper-segment coil and the lower-segment coil comprise a plurality of coil layers respectively; layer insulators are arranged between adjacent coil layers; each coil layer is formed by winding a second-generation high-temperature superconducting strip. The coil layers formed by winding the second-generation high-temperature superconducting strip are adopted, so that electric field distribution inside the coil is uniform, the coil has high electrical performance, and the no-load loss of the transformer is reduced. Meanwhile, a standard oval segmented multi-layer cylindrical coil structure is adopted, the advantage of impact resistance of an ordinary cylindrical coil is inherited, and voltage among the coil layers is reduced, so that the local discharge amount is reduced, and the heat dissipation area of the coil is increased. A middle incoming line is adopted for an outer coil, the coil is partitioned into upper and lower parts, and air channel staggered winding is adopted, so that voltage between layers, voltage between segments and the field intensity are reduced.
Description
Technical field
The present invention relates to a kind of transformer coil, particularly a kind of loop construction for two division superconducting transformer.
Background technology
In two transformer with split windings of routine, the overwhelming majority of total losses when the copper loss in coil accounts for transformer oepration at full load, in total losses of transformer, load loss proportion is very large, and no-load loss proportion is little, greatly reduces the efficiency of two transformer with split winding.
Meanwhile, also there is the defect that volume is comparatively large, area of dissipation is less in conventional two transformer with split winding coil.
Summary of the invention
Object of the present invention, provides a kind of no-load loss relatively little and for the loop construction of two division superconducting transformer exactly in order to solve the problem.
The object of the present invention is achieved like this:
A kind of loop construction for two division superconducting transformer of the present invention, comprise epimere coil and hypomere coil, the first cross-over block is provided with between described epimere coil and hypomere coil, described epimere coil and hypomere coil comprise some coil layer respectively, and being provided with layer insulation between adjacent coil layers, each coil layer is formed by second-generation high-temperature superconductor coiling.
Above-mentioned a kind of loop construction for two division superconducting transformer, wherein, the cross section of described each coil layer is all in standard ellipse type, and include an interior loop and be sheathed on the exterior loop outside this interior loop, all exterior loop are connected formation high-tension coil successively, and all interior loop are connected formation low-voltage coil successively.
Above-mentioned a kind of loop construction for two division superconducting transformer, wherein, the top of described epimere coil is provided with the second cross-over block, and the below of described hypomere coil is provided with the 3rd cross-over block.
Above-mentioned a kind of loop construction for two division superconducting transformer, wherein, the madial wall of described epimere coil and hypomere coil is respectively equipped with some corrugated paper board layers.
Above-mentioned a kind of loop construction for two division superconducting transformer, wherein, is respectively equipped with some distribution by circumference and air flue extended vertically rod in described interior loop and exterior loop.
Above-mentioned a kind of loop construction for two division superconducting transformer, wherein, described high-tension coil is middle part incoming line structure.
Coil layer in the present invention have employed and formed by second-generation high-temperature superconductor coiling, make coil inside Electric Field Distribution even, thus can ensure that coil has good electric property, reduce transformer noload losses, partial discharge quantity is few, lightning impulse resistant ability is strong, effectively extends the useful life of two transformer with split winding.
Simultaneously, the present invention adopts standard oval segmented multi-level cylindrical coil structure, inherit the shock-resistant advantage of common cylindrical layer winding, coil interlayer voltage is made again to reduce, thus reduce partial discharge quantity, increase the area of dissipation of coil, solve the problem that voltage between layers is too high and heat radiation is bad that coil in the past exists.Exterior loop adopts middle part inlet wire, is divided into upper and lower two parts, adopts air flue to interlock coiling, reduces voltage between layers and intersegmental voltage and field intensity.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the cutaway view along A-A direction in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Refer to Fig. 1, there is shown the loop construction of the present invention for two division superconducting transformer, comprise epimere coil 1 and hypomere coil 2, the first cross-over block 3 is provided with between epimere coil 1 and hypomere coil 2, epimere coil 1 and hypomere coil 2 comprise some coil layer 4 respectively, and being provided with layer insulation 5 between adjacent coil layers 4, each coil layer 4 is formed by second-generation high-temperature superconductor coiling.
The top of epimere coil 1 is provided with the second cross-over block 7, and the below of hypomere coil 2 is provided with the 3rd cross-over block 6, the madial wall of epimere coil 1 and hypomere coil 2 is respectively equipped with some corrugated paper board layers (not shown in FIG.).
Refer to Fig. 2, the cross section of each coil layer 4 all in standard ellipse type, and includes interior lines, and 42 and be sheathed on exterior loop 41 outside this interior loop 42, all exterior loop 41 are connected successively and are formed high-tension coil, and all interior loop 42 are connected successively and formed low-voltage coil.
Be respectively equipped with some by circumference distribution and air flue rod 9 extended vertically in interior loop 42 and exterior loop 41.
High-tension coil is middle part incoming line structure (not shown in FIG.).
Coil layer 4 adopts second-generation high-temperature superconductor coiling to form.At present, the high-temperature superconductive transformer of domestic and international demonstrating running generally adopts Bi2223/Ag superconductor, and this kind of first generation belt material of high temperature superconduct is owing to using noble silver as jacket, and material cost is higher, its expense accounts for the 70-80% of superconducting transformer cost, and raising cost performance is difficult to development.Second-generation high-temperature superconductor is that its base band does not adopt silver, greatly can reduce material cost at stainless steel base band Epitaxial growth YBaCuO superconducting thin film.In addition, because Bi series superconducting material is much higher than in the irreversible magnetic field of YBaCuO superconductor under 77K, the A.C.power loss under its 77K can far below first generation high temperature superconducting materia.The present invention adopts the second-generation high-temperature superconductor of a kind of new type high temperature superconducting tape-namely formed based on the high-temperature superconducting thin film on metal base band, is the practical superconductor that a kind of liquid nitrogen temperature supercurrent transmission density and irreversible magnetic field have clear superiority.Accepted standard elliptical line coil structures is that one is suitable for second-generation high-temperature superconductor and new superconductive design of transformer, the superconducting transformer design thus, produced not yet by domestic and international enterprise and research and development unit report.Due to the strip material that second-generation high-temperature superconductor is wider, be easy to big current and standard oval design; So there is greater advantage based on the superconducting transformer of second-generation high-temperature superconductor.
The present invention adopts standard oval segmented multi-level cylindrical coil structure, inherit the shock-resistant advantage of common cylindrical layer winding, coil interlayer voltage is made again to reduce, thus reduce partial discharge quantity, increase the area of dissipation of coil, solve the problem that voltage between layers is too high and heat radiation is bad that coil in the past exists.Exterior loop adopts middle part inlet wire, is divided into upper and lower two parts, adopts air flue to interlock coiling, reduces voltage between layers and intersegmental voltage and field intensity.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, various conversion or modification can also be made, therefore all equivalent technical schemes also should belong to category of the present invention, should be limited by each claim.
Claims (6)
1. the loop construction for two division superconducting transformer, it is characterized in that, comprise epimere coil and hypomere coil, the first cross-over block is provided with between described epimere coil and hypomere coil, described epimere coil and hypomere coil comprise some coil layer respectively, and being provided with layer insulation between adjacent coil layers, each coil layer is formed by second-generation high-temperature superconductor coiling.
2. a kind of loop construction for two division superconducting transformer as claimed in claim 1, it is characterized in that, the cross section of described each coil layer is all in standard ellipse type, and include an interior loop and be sheathed on the exterior loop outside this interior loop, all exterior loop are connected formation high-tension coil successively, and all interior loop are connected formation low-voltage coil successively.
3. a kind of loop construction for two division superconducting transformer as claimed in claim 1, it is characterized in that, the top of described epimere coil is provided with the second cross-over block, and the below of described hypomere coil is provided with the 3rd cross-over block.
4. a kind of loop construction for two division superconducting transformer as claimed in claim 1, is characterized in that, the madial wall of described epimere coil and hypomere coil is respectively equipped with some corrugated paper board layers.
5. a kind of loop construction for two division superconducting transformer as claimed in claim 2, is characterized in that, is respectively equipped with some by circumference distribution and air flue extended vertically rod in described interior loop and exterior loop.
6. a kind of loop construction for two division superconducting transformer as claimed in claim 2, it is characterized in that, described high-tension coil is middle part incoming line structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410852204.8A CN104485218A (en) | 2014-12-31 | 2014-12-31 | Coil structure for double-split superconducting transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410852204.8A CN104485218A (en) | 2014-12-31 | 2014-12-31 | Coil structure for double-split superconducting transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104485218A true CN104485218A (en) | 2015-04-01 |
Family
ID=52759756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410852204.8A Pending CN104485218A (en) | 2014-12-31 | 2014-12-31 | Coil structure for double-split superconducting transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104485218A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128720A (en) * | 2016-08-30 | 2016-11-16 | 吴江变压器有限公司 | A kind of matrix loop structure |
| CN107256772A (en) * | 2017-07-29 | 2017-10-17 | 宜兴市兴益特种变压器有限公司 | It is a kind of to be used for the high-voltage coil structure of double division dry-type transformers |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1276909A (en) * | 1997-09-12 | 2000-12-13 | 美国超导体公司 | Fault current limiting superconducting coil |
| DE20310389U1 (en) * | 2003-07-04 | 2004-02-19 | Siemens Ag | High performance high temperature inductance use superconducting coil with ferromagnetic structure |
| CN101512688A (en) * | 2006-09-04 | 2009-08-19 | 西门子公司 | Armored superconducting winding and method for the production thereof |
| CN201449856U (en) * | 2009-03-09 | 2010-05-05 | 株洲南车电机股份有限公司 | Main transformer of alternating current drive electrical locomotive |
| CN102013312A (en) * | 2010-11-16 | 2011-04-13 | 武汉新瑞科电气技术有限公司 | Method for manufacturing transformer inductor |
| CN102364629A (en) * | 2011-09-30 | 2012-02-29 | 山东电力设备有限公司 | Double-U-shaped coil |
| CN103035353A (en) * | 2012-12-17 | 2013-04-10 | 中国科学院电工研究所 | Compound winding made of Bi-based and Y-based high-temperature superconducting tapes |
| CN202887950U (en) * | 2012-11-06 | 2013-04-17 | 保定天威集团有限公司 | Air passage structure for pouring coil |
| CN203232797U (en) * | 2013-04-01 | 2013-10-09 | 特变电工股份有限公司 | Epoxy pouring dry type transformer |
| CN204303536U (en) * | 2014-12-31 | 2015-04-29 | 上海和鸣变压器有限公司 | For the loop construction of two division superconducting transformer |
-
2014
- 2014-12-31 CN CN201410852204.8A patent/CN104485218A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1276909A (en) * | 1997-09-12 | 2000-12-13 | 美国超导体公司 | Fault current limiting superconducting coil |
| DE20310389U1 (en) * | 2003-07-04 | 2004-02-19 | Siemens Ag | High performance high temperature inductance use superconducting coil with ferromagnetic structure |
| CN101512688A (en) * | 2006-09-04 | 2009-08-19 | 西门子公司 | Armored superconducting winding and method for the production thereof |
| CN201449856U (en) * | 2009-03-09 | 2010-05-05 | 株洲南车电机股份有限公司 | Main transformer of alternating current drive electrical locomotive |
| CN102013312A (en) * | 2010-11-16 | 2011-04-13 | 武汉新瑞科电气技术有限公司 | Method for manufacturing transformer inductor |
| CN102364629A (en) * | 2011-09-30 | 2012-02-29 | 山东电力设备有限公司 | Double-U-shaped coil |
| CN202887950U (en) * | 2012-11-06 | 2013-04-17 | 保定天威集团有限公司 | Air passage structure for pouring coil |
| CN103035353A (en) * | 2012-12-17 | 2013-04-10 | 中国科学院电工研究所 | Compound winding made of Bi-based and Y-based high-temperature superconducting tapes |
| CN203232797U (en) * | 2013-04-01 | 2013-10-09 | 特变电工股份有限公司 | Epoxy pouring dry type transformer |
| CN204303536U (en) * | 2014-12-31 | 2015-04-29 | 上海和鸣变压器有限公司 | For the loop construction of two division superconducting transformer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128720A (en) * | 2016-08-30 | 2016-11-16 | 吴江变压器有限公司 | A kind of matrix loop structure |
| CN107256772A (en) * | 2017-07-29 | 2017-10-17 | 宜兴市兴益特种变压器有限公司 | It is a kind of to be used for the high-voltage coil structure of double division dry-type transformers |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7633014B2 (en) | Superconductor cable | |
| CN101142637B (en) | Superconductive cable | |
| CA2560867C (en) | A system for transmitting current including magnetically decoupled superconducting conductors | |
| CN108447614B (en) | Quasi-isotropic high-engineering current density high-temperature superconducting conductor | |
| CN109994282A (en) | The cold insulation high-temperature superconductor direct current cables of positive and negative electrodes in same axle construction | |
| CN103578741A (en) | Transposition method of two parallel superconducting tapes during winding of solenoid coil | |
| CN109411148A (en) | A kind of vacuum insulation hyperconductive cable structure | |
| CN204303529U (en) | Photovoltaic power generation transformer loop construction | |
| CN204303536U (en) | For the loop construction of two division superconducting transformer | |
| CN104485218A (en) | Coil structure for double-split superconducting transformer | |
| CN110911046A (en) | Current-limiting type high-temperature superconducting cable | |
| CN204303528U (en) | For the superconducting coil assembly of photovoltaic dry-type transformer | |
| CN204303537U (en) | Photovoltaic superconduction dry-type transformer | |
| CN202487355U (en) | Special energy-saving transformer | |
| CN113571253B (en) | Multi-slot superconducting cable with improved CORC round core conductor | |
| CN2884461Y (en) | Insulation structure between spirals of low voltage coil of high-temp. superconductor main transformer | |
| US9640309B2 (en) | Superconducting DC reactor | |
| CN104485217B (en) | Photovoltaic superconduction dry-type transformer | |
| CN210073450U (en) | Modular high-temperature superconducting cable | |
| CN204303535U (en) | For the superconduction dry-type transformer of wind power generation | |
| CN102568695A (en) | Superconducting cable system | |
| CN209418169U (en) | The conducting wire of for transformer winding and a kind of transformer | |
| CN102610372A (en) | High-capacity reactor composed of multiple circles of mutually insulated copper sheets and manufacture method of high-capacity reactor | |
| CN201946332U (en) | Variable frequency cable for ships | |
| CN113436788B (en) | Structure of variable-structure stacked cable topology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150401 |