CN107564623A - A kind of Cable-in-conduit conductor based on ReBCO isotropism Superconducting Strands - Google Patents
A kind of Cable-in-conduit conductor based on ReBCO isotropism Superconducting Strands Download PDFInfo
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- CN107564623A CN107564623A CN201710625857.6A CN201710625857A CN107564623A CN 107564623 A CN107564623 A CN 107564623A CN 201710625857 A CN201710625857 A CN 201710625857A CN 107564623 A CN107564623 A CN 107564623A
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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
Abstract
The invention belongs to Superconductive electric technology field, more particularly to a kind of Cable-in-conduit conductor based on ReBCO isotropism Superconducting Strands.For current cryogenic superconductor make Cable-in-conduit conductor critical current density it is low, critical magnetic field strength is small, running temperature is low, temperature field degree is small, bad mechanical property the shortcomings of, the present invention proposes a kind of Cable-in-conduit conductor based on ReBCO isotropism Superconducting Strands, Cable-in-conduit conductor is made up of center conductor, ReBCO isotropism Superconducting Strand, protective metal shell and cooling duct, ReBCO isotropism Superconducting Strand is closely arranged around center conductor as sub- strand and spiral winding, and complete transposition is realized between ReBCO isotropism Superconducting Strands.The Cable-in-conduit conductor have the advantages that critical current isotropism is preferable, running temperature is high, running current density is big, simple production process, suitable for large-scale production, expanded application of the ReBCO isotropism Superconducting Strand in the high energy physical units such as nuclear fusion large scale superconducting magnet coil.
Description
Technical field
The invention belongs to Superconductive electric technology field, more particularly to a kind of pipe based on ReBCO isotropism Superconducting Strands
Inner cable conductor.
Background technology
With the continuous development of science and technology, in check nuclear fusion is expected to turn into a kind of high efficiency, pollution-free, sustainable development
New energy.The main device of current nuclear fusion reaction is TOKAMAK reactor, and its magnet system is by the large-scale magnet of superconduction
Coil forms, and magnet coil produces the motion of magnetically confined plasma and carries out nuclear fusion reaction.Such as in ITER (international heat
Nuclear tests reactor) in, reactor need to produce central magnetic field intensity up to 6.3T, center-line perimeter be 34.1m etc. from
Daughter annulus.In order to produce the plasma toroid of above-mentioned size, the ring magnet coil in magnet system is by 18 operation electricity
It is that 8.1m D-coil rearranges to flow for 9.1MA, diameter 12.6m, width.D-coil winding is by 144 cryogenic superconductors
Nb3Sn (tin of niobium three) high-current cable is formed, and the running current of every high current hyperconductive cable is 67.91kA, is held during operation
The external magnetic field received is 10.8T.In addition, in the high energy physical units such as bus rod, large-scale detection magnet, ion accelerator,
Need also exist for using current carrying capacities more than 10kA and the high current hyperconductive cable of low inductance.Cable-in-conduit conductor (CICC,
Cable in Conduit Conductor) it is a kind of conventional low-temperature superconducting high-current cable, conventional CICC conductors are more by low
Tin (the Nb of temperature superconductive body niobium three3Sn), niobium titanium (NbTi) is made, with critical current density is low, critical magnetic field is small, operation temperature
Spend the shortcomings of low, temperature field degree is small, bad mechanical property, it is difficult to meet more high current, more stable high current hyperconductive cable
Demand.
The content of the invention
For cryogenic superconductor in above-mentioned technical background make Cable-in-conduit conductor critical current density is low, critical magnetic field
The shortcomings of intensity is small, running temperature is low, temperature field degree is small, bad mechanical property, the present invention propose a kind of ReBCO that is based on respectively to same
The Cable-in-conduit conductor of property Superconducting Strand.The section of the Cable-in-conduit conductor is circle, from protective metal shell 4, ReBCO respectively to same
Property Superconducting Strand 5, center conductor 6 and cooling duct 7 form, and more ReBCO isotropism Superconducting Strands 5 are using cable axis as base
Standard, carry out spiral winding around center conductor 6 and wrap up one week, close-packed arrays and be parallel to each other between each strand, winding
Into more ReBCO isotropism Superconducting Strands 5 periphery install additional cylindrical metal sheath 4, ReBCO isotropism Superconducting Strands
Winding moment of torsion L is formed between 5pTo realize complete transposition, space and center between the protective metal shell 4 and center conductor 6
Space among conductor 6 forms cooling duct 7, the circulation passage as cooling medium.
The section of the ReBCO isotropism Superconducting Strand 5 is circle, by clad 1, packing material 2 and ReBCO superconductions
Core 3 forms, and after the superconduction core 3 that heap is folded is reversed along central axis, then installs packing material 2 and clad 1 additional.
The section of the ReBCO superconductions core 3 is square, by the two level superconduction core of four identical square sections
Composition, four two level superconduction cores are distributed by Central Symmetry mode.
The two level superconduction core is spliced into section as square side by side by the ReBCO coating conductors of three root long cube structures
Structure, the two level superconduction core of upper left side and lower right is the two level superconducting line for being vertically arranged structure, lower left and upper right side
Core is horizontally arranged structure.
The clad 1 uses laser Ag welding technique butt weldings.
The outer surface of the protective metal shell 4 is circular ring structure, is welded by two identical semicircle sheaths, centre is emptied
Partial size shape matches with the size of the ReBCO isotropism Superconducting Strand 5 arranged, the making material of protective metal shell 4
Material can select copper, aluminium, stainless steel.
The section of the center conductor 6 is hollow circular ring, and making material can select copper, aluminium.
The beneficial effects of the present invention are：
A kind of Cable-in-conduit conductor based on ReBCO isotropism Superconducting Strands proposed by the present invention, has critical current
Isotropism is preferable, running temperature is high, running current density is big, mechanical property is good, is readily bent, and simple production process, is suitable to
The advantages that large-scale production, ReBCO isotropism Superconducting Strand has been expanded in high energy things such as nuclear fusion large scale superconducting magnet coils
Manage the application in device.
Brief description of the drawings
Accompanying drawing 1 is the three dimensional structure diagram of ReBCO isotropism Superconducting Strand Cable-in-conduit conductors；
Accompanying drawing 2 is the schematic cross-section of ReBCO isotropism Superconducting Strand Cable-in-conduit conductors；
Accompanying drawing 3 is single ReBCO isotropism Superconducting Strand structural representation；
Reference：1- clads, 2- packing materials, 3-ReBCO superconduction cores, 4- protective metal shells, 5-ReBCO is respectively to same
Property Superconducting Strand, 6- center conductors, 7- cooling ducts, 8- weld seams；
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
Accompanying drawing 1 is the three dimensional structure diagram of ReBCO isotropism Superconducting Strand Cable-in-conduit conductors, as shown in figure 1, institute
Cable-in-conduit conductor is stated by protective metal shell 4, ReBCO isotropism Superconducting Strand 5, center conductor 6 and cooling duct 7 form, more
Root ReBCO isotropism Superconducting Strand 5 carries out spiral winding on the basis of cable axis, around center conductor 6 and wrapped up one week,
Close-packed arrays and it is parallel to each other between each strand, is installed additional in the periphery for the more ReBCO isotropism Superconducting Strands 5 that winding is completed
Cylindrical metal sheath 4, winding moment of torsion L is formed between ReBCO isotropism Superconducting Strand 5pTo realize complete transposition, in reality
During winding, it should be adjusted, its critical current not caused excessively according to the mechanical property of ReBCO isotropism Superconducting Strand 5
Infringement, according to the diameter and thickness of center conductor 6, can increase or decrease ReBCO isotropism superconduction stock in Cable-in-conduit conductor
The quantity of line 5, to change the carrying capacity of its electric current.Accompanying drawing 2 cuts for ReBCO isotropism Superconducting Strand Cable-in-conduit conductors
Face schematic diagram, as shown in Fig. 2 the section of the Cable-in-conduit conductor is circle, in the protective metal shell 4 that Superconducting Strand periphery installs additional
Section be toroidal, protective metal shell 4 is welded by two sheaths of identical half, formed in weld as shown in Figure 2
Weld seam 8, the size shape that part is emptied in centre match with the size of the ReBCO isotropism Superconducting Strand 5 arranged, metal
Copper can be selected in the making material of sheath 4, and aluminium, stainless steel, the section of center conductor 6 is hollow circular ring shape, and its making material can
So that from copper, aluminium, the space among space and center conductor 6 between protective metal shell 4 and center conductor 6 forms cooling duct
7, the circulation passage as cooling medium.The section of ReBCO isotropism Superconducting Strand 5 is circular, concrete structure such as Fig. 3 institutes
Show, the ReBCO isotropism Superconducting Strand 5 is made up of clad 1, packing material 2 and ReBCO superconductions core 3, and ReBCO surpasses
The section of wire stylet 3 is square, is made up of the two level superconduction core of four small square sections of identical, four two level superconductions
Core is distributed by Central Symmetry mode.The two level superconduction core by three root long cube structures ReBCO coating conductor side-by-side stacks
Structure of the section for square is built up, the wherein two level superconduction core on upper left side and lower right is to be vertically arranged structure, lower left
Two level superconduction core with upper right side is horizontally arranged structure.It can actually be come according to the size of coating conductor thickness and width
The quantity for stacking coating conductor is increased or decreased, small square structure can be combined into.Clad 1 is used for wrapping up superconducting line
Core 3 and packing material 2, finally using laser Ag welding techniques by the butt welding of clad 1.In order to improve the bending of Superconducting Strand
Characteristic, the clad 1 for making isotropism strand and packing material 2 can be subjected to annealing heat-treats in advance.It is each in order to reduce
To the A.C.power loss of same sex Superconducting Strand, after can superconduction core be stacked, reversed along central axis, reach certain moment of torsion
Install packing material 2 additional again afterwards and carry out clad welded with clad 1.
This embodiment is only the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (7)
- A kind of 1. Cable-in-conduit conductor based on ReBCO isotropism Superconducting Strands, it is characterised in that the Cable-in-conduit conductor Section for circle, by protective metal shell (4), ReBCO isotropism Superconducting Strand (5), center conductor (6) and cooling duct (7) Composition, more ReBCO isotropism Superconducting Strands (5) carry out spiral on the basis of cable axis, around center conductor (6) and twined Close-packed arrays and it is parallel to each other around parcel one week, between each strand, in more ReBCO isotropism Superconducting Strands of winding completion (5) periphery installs cylindrical metal sheath (4) additional, and winding moment of torsion L is formed between ReBCO isotropism Superconducting Strand (5)pWith reality Existing complete transposition, the space among space and center conductor (6) between protective metal shell (4) and center conductor (6) form cold But passage (7), the circulation passage as cooling medium.
- 2. a kind of Cable-in-conduit conductor based on ReBCO isotropism Superconducting Strands according to claim 1, its feature exist In the section of the ReBCO isotropism Superconducting Strand (5) is circle, and by clad (1), packing material (2) and ReBCO surpass Wire stylet (3) forms, and after the superconduction core (3) that heap is folded is reversed along central axis, then installs packing material (2) and cladding additional Layer (1).
- 3. a kind of Cable-in-conduit conductor based on ReBCO isotropism Superconducting Strands according to claim 2, its feature exist In the section of the ReBCO superconductions core (3) is square, by the two level superconduction core group of four identical square sections Into four two level superconduction cores are distributed by Central Symmetry mode.
- 4. a kind of Cable-in-conduit conductor based on ReBCO isotropism Superconducting Strands according to claim 3, its feature exist In the two level superconduction core is spliced into knot of the section for square side by side by the ReBCO coating conductors of three root long cube structures The two level superconduction core of structure, upper left side and lower right is to be vertically arranged structure, and the two level superconduction core in lower left and upper right side is Horizontally arranged structure.
- 5. a kind of Cable-in-conduit conductor based on ReBCO isotropism Superconducting Strands according to claim 2, its feature exist In the clad (1) uses laser Ag welding technique butt weldings.
- 6. a kind of Cable-in-conduit conductor based on ReBCO isotropism Superconducting Strands according to claim 1, its feature exist In the outer surface of the protective metal shell (4) is circular ring structure, is welded by two identical semicircle sheaths, portion is emptied in centre The size shape divided matches with the size of the ReBCO isotropism Superconducting Strand (5) arranged, the making of protective metal shell (4) Material can select copper, aluminium, stainless steel.
- 7. a kind of Cable-in-conduit conductor based on ReBCO isotropism Superconducting Strands according to claim 1, its feature exist In the section of the center conductor (6) is hollow circular ring, and making material can select copper, aluminium.
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447614A (en) * | 2018-01-11 | 2018-08-24 | 华北电力大学 | A kind of quasi-isotropic high engineering current density high-temperature superconductor conductor |
| CN110060815A (en) * | 2019-04-19 | 2019-07-26 | 中国科学院合肥物质科学研究院 | A kind of high-temperature superconductor ReBCO cable structure production method applied to CICC |
| CN110517826A (en) * | 2019-10-12 | 2019-11-29 | 广东电网有限责任公司 | A kind of hyperconductive cable |
| CN110808122A (en) * | 2019-10-14 | 2020-02-18 | 华北电力大学 | CICC conductor based on critical current quasi-isotropy high-engineering current density high-temperature superconducting strand |
| CN111009377A (en) * | 2019-12-05 | 2020-04-14 | 西南交通大学 | Preparation method of superconducting D-shaped coil for magnetic confinement fusion |
| WO2020124757A1 (en) * | 2018-12-20 | 2020-06-25 | 深圳供电局有限公司 | Current-carrying conductor for quasi-isotropic high current-carrying superconducting cable |
| CN111584150A (en) * | 2020-04-01 | 2020-08-25 | 北京交通大学 | CICC conductor |
| CN111613384A (en) * | 2020-05-21 | 2020-09-01 | 中国科学院合肥物质科学研究院 | CICC conductor of ReBCO high-temperature superconducting tape and manufacturing method thereof |
| CN112164542A (en) * | 2020-08-26 | 2021-01-01 | 北京交通大学 | CORC cable with transposition of adjacent layers |
| CN112562913A (en) * | 2020-09-14 | 2021-03-26 | 核工业西南物理研究院 | Common vertical plane transposition high-temperature superconducting cable and winding transposition method |
| CN112713418A (en) * | 2020-12-16 | 2021-04-27 | 广东电网有限责任公司电力科学研究院 | Superconducting cable joint |
| CN113257477A (en) * | 2021-07-05 | 2021-08-13 | 上海超导科技股份有限公司 | Method for preparing quasi-isotropic superconducting tape, superconducting tape and superconducting cable |
| CN113284666A (en) * | 2020-02-19 | 2021-08-20 | 中国科学院高能物理研究所 | Multilayer-packaged superconducting transposed cable and cabling method |
| CN114743752A (en) * | 2022-05-18 | 2022-07-12 | 华北电力大学 | High-temperature superconducting energy storage magnet |
| CN114792584A (en) * | 2022-03-30 | 2022-07-26 | 华北电力大学 | Low-loss high-temperature superconducting strand |
| CN115331883A (en) * | 2022-07-15 | 2022-11-11 | 中国科学院合肥物质科学研究院 | Superconducting cable |
| CN116259443A (en) * | 2023-01-06 | 2023-06-13 | 国网浙江省电力有限公司绍兴供电公司 | Multi-layer spiral cable topological structure with variable critical current and preparation method and application thereof |
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Cited By (21)
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| CN108447614A (en) * | 2018-01-11 | 2018-08-24 | 华北电力大学 | A kind of quasi-isotropic high engineering current density high-temperature superconductor conductor |
| WO2020124757A1 (en) * | 2018-12-20 | 2020-06-25 | 深圳供电局有限公司 | Current-carrying conductor for quasi-isotropic high current-carrying superconducting cable |
| CN110060815A (en) * | 2019-04-19 | 2019-07-26 | 中国科学院合肥物质科学研究院 | A kind of high-temperature superconductor ReBCO cable structure production method applied to CICC |
| CN110517826A (en) * | 2019-10-12 | 2019-11-29 | 广东电网有限责任公司 | A kind of hyperconductive cable |
| CN110808122A (en) * | 2019-10-14 | 2020-02-18 | 华北电力大学 | CICC conductor based on critical current quasi-isotropy high-engineering current density high-temperature superconducting strand |
| CN111009377A (en) * | 2019-12-05 | 2020-04-14 | 西南交通大学 | Preparation method of superconducting D-shaped coil for magnetic confinement fusion |
| CN113284666B (en) * | 2020-02-19 | 2022-05-17 | 中国科学院高能物理研究所 | Multilayer-packaged superconducting transposed cable and cabling method |
| CN113284666A (en) * | 2020-02-19 | 2021-08-20 | 中国科学院高能物理研究所 | Multilayer-packaged superconducting transposed cable and cabling method |
| WO2021164379A1 (en) * | 2020-02-19 | 2021-08-26 | 中国科学院高能物理研究所 | Multilayer packaged superconducting transposed cable and cabling method |
| CN111584150A (en) * | 2020-04-01 | 2020-08-25 | 北京交通大学 | CICC conductor |
| CN111613384B (en) * | 2020-05-21 | 2022-02-11 | 中国科学院合肥物质科学研究院 | CICC conductor of ReBCO high-temperature superconducting tape and manufacturing method thereof |
| CN111613384A (en) * | 2020-05-21 | 2020-09-01 | 中国科学院合肥物质科学研究院 | CICC conductor of ReBCO high-temperature superconducting tape and manufacturing method thereof |
| CN112164542A (en) * | 2020-08-26 | 2021-01-01 | 北京交通大学 | CORC cable with transposition of adjacent layers |
| CN112562913A (en) * | 2020-09-14 | 2021-03-26 | 核工业西南物理研究院 | Common vertical plane transposition high-temperature superconducting cable and winding transposition method |
| CN112713418A (en) * | 2020-12-16 | 2021-04-27 | 广东电网有限责任公司电力科学研究院 | Superconducting cable joint |
| CN113257477A (en) * | 2021-07-05 | 2021-08-13 | 上海超导科技股份有限公司 | Method for preparing quasi-isotropic superconducting tape, superconducting tape and superconducting cable |
| CN114792584A (en) * | 2022-03-30 | 2022-07-26 | 华北电力大学 | Low-loss high-temperature superconducting strand |
| CN114743752A (en) * | 2022-05-18 | 2022-07-12 | 华北电力大学 | High-temperature superconducting energy storage magnet |
| CN115331883A (en) * | 2022-07-15 | 2022-11-11 | 中国科学院合肥物质科学研究院 | Superconducting cable |
| CN115331883B (en) * | 2022-07-15 | 2023-12-08 | 中国科学院合肥物质科学研究院 | Superconducting cable |
| CN116259443A (en) * | 2023-01-06 | 2023-06-13 | 国网浙江省电力有限公司绍兴供电公司 | Multi-layer spiral cable topological structure with variable critical current and preparation method and application thereof |
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