CN111584150A - CICC conductor - Google Patents
CICC conductor Download PDFInfo
- Publication number
- CN111584150A CN111584150A CN202010250742.5A CN202010250742A CN111584150A CN 111584150 A CN111584150 A CN 111584150A CN 202010250742 A CN202010250742 A CN 202010250742A CN 111584150 A CN111584150 A CN 111584150A
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- China
- Prior art keywords
- superconducting
- conductor
- cable
- sub
- cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B12/00—Superconductive or hyperconductive conductors, cables, or transmission lines
- H01B12/02—Superconductive or hyperconductive conductors, cables, or transmission lines characterised by their form
- H01B12/12—Hollow conductors
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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 relates to a novel CICC conductor, which comprises a cooling channel, a plurality of superconducting sub-cables, an insulating layer, a shielding layer and a packaging shell, wherein the cooling channel is arranged on the cooling channel; a cooling channel is reserved at the center of the superconducting sub-cable and used for cooling the superconducting sub-cable; the superconducting sub-cables are twisted into a superconducting cable, and an insulating layer, a shielding layer and a packaging shell are sequentially arranged outside the superconducting cable. The novel CICC conductor has high cooling efficiency and uniform cooling. And the CICC conductor has a compact structure, the size of the packaging shell is reduced, and the shape of the packaging shell can be selected according to actual requirements.
Description
Technical Field
The invention relates to a novel CICC conductor.
Background
Compared with the conventional cable, the high-temperature superconducting cable has the advantages of high current-carrying capacity, compact structure, small transmission loss and the like, and has development potential in the aspect of large-scale power transmission or line capacity expansion under the limitation of corridors. The superconducting cable with high transmission voltage and large current-carrying capacity has good application prospect.
Because the current-carrying capacity of a single cable is limited, and the current-carrying capacity can be improved by twisting a plurality of cables, the twisted use of the plurality of cables becomes a necessary trend for the development of the electrified conductor of the superconducting cable. However, in the current CICC conductor, N superconducting sub-cables are twisted on the same central cooling channel, and the cooling mode has the problems of low cooling efficiency and uneven cooling.
Disclosure of Invention
In view of the defects in the prior art, the invention aims to provide a novel CICC conductor with more uniform cooling performance.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a CICC conductor comprises a cooling channel 1, a plurality of superconducting sub-cables 2, an insulating layer 3, a shielding layer 4 and a packaging shell 5; a cooling channel 1 is reserved at the center of the superconducting sub-cable 2 and used for cooling the superconducting sub-cable 2; the plurality of superconducting sub-cables 2 are twisted into a superconducting cable, and an insulating layer 3, a shielding layer 4 and a packaging shell 5 are sequentially arranged outside the superconducting cable.
The cooling channel 1 includes, but is not limited to, a copper pipe and a stainless steel pipe, and a suitable material may be selected according to the requirements of the cable to be manufactured.
The superconducting sub-cables 2 are made of superconducting materials, the number of the superconducting sub-cables 2 can be determined according to actual conditions, and the number of the superconducting sub-cables 2 is larger than or equal to 2.
The insulating layer 3 is formed by winding insulating paper with good insulating property and good mechanical property at low temperature.
The shielding layer 4 is wound outside the insulating layer 3, and one end or two ends of the shielding layer are grounded to form a Faraday cage to shield the external magnetic field of the superconducting cable.
The enclosure 5 is made of a metal material, including but not limited to copper or aluminum, for protecting the superconducting conductor, and its cross-sectional shape includes but not limited to circular or square.
The invention has the beneficial effects that: the novel CICC conductor has high cooling efficiency and uniform cooling. And the CICC conductor has a compact structure, the size of the packaging shell is reduced, and the shape of the packaging shell can be selected according to actual requirements.
Drawings
The invention has the following drawings:
FIG. 1 is a schematic diagram of a circular 5-cable CICC conductor structure with an encapsulating shell added;
FIG. 2 is a schematic diagram of a CICC conductor structure of 3 twisted sub-cables without encapsulation;
FIG. 3 is a schematic diagram of a CICC conductor structure of 5 twisted sub-cables without encapsulation;
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the cic conductor includes a cooling channel 1, a superconducting sub-cable 2, an insulating layer 3, a shielding layer 4, and an encapsulating shell 5.
The cooling channel 1 includes, but is not limited to, a copper tube and a stainless steel tube, and a suitable material can be selected according to the requirements of the cable to be manufactured.
The superconducting sub-cables 2 are made of superconducting materials, a cooling channel 1 is reserved in the center and used for cooling the superconducting sub-cables 2, the number of the superconducting sub-cables 2 can be determined according to actual conditions, and the number of the superconducting sub-cables 2 is larger than or equal to 2.
The insulating layer 3 is formed by winding insulating paper with good insulating property and good mechanical property at low temperature.
The shielding layer 4 is wound outside the insulating layer 3, and one end or two ends of the shielding layer are grounded to form a Faraday cage to shield the external magnetic field of the superconducting cable.
The encapsulating shell 5 is a shell made of a metal material including, but not limited to, copper or aluminum, and is used for protecting the superconducting conductor, and the cross-sectional shape thereof includes, but is not limited to, circular or square.
As shown in fig. 1, the CICC conductor is formed by twisting 5 superconducting sub-cables, and when the package is attached, the superconducting cables are squeezed to deform the superconducting sub-cables within a tolerable range, so that the superconducting sub-cables can fill the inner space of the whole package, the structure is compact, the size of the package can be reduced, and the shape of the package can be selected according to actual requirements.
As shown in fig. 2, the encapsulated superconducting conductors are twisted from 3 superconducting sub-cables, and the 3 superconducting sub-cables are twisted in axial symmetry during winding.
As shown in fig. 3, the unencapsulated superconducting conductor is twisted by 5 superconducting sub-cables, the 5 superconducting sub-cables are twisted in an axisymmetric manner during twisting, and compared with a conventional conductor, a cooling channel is reserved in the center of each superconducting sub-cable, and the cooling channel in the center of the whole conductor is omitted, so that the cooling efficiency can be increased, and the cooling is more uniform.
The above embodiments are merely illustrative, and not restrictive, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the invention, and therefore all equivalent technical solutions also belong to the scope of the invention.
Those not described in detail in this specification are within the skill of the art.
Claims (8)
1. A CICC conductor is characterized by comprising a cooling channel (1), a plurality of superconductive sub-cables (2), an insulating layer (3), a shielding layer (4) and a packaging shell (5); a cooling channel (1) is reserved at the center of the superconducting sub-cable (2) and used for cooling the superconducting sub-cable (2); the plurality of superconducting sub-cables (2) are twisted into a superconducting cable, and an insulating layer (3), a shielding layer (4) and a packaging shell (5) are sequentially arranged outside the superconducting cable.
2. The cic c conductor of claim 1, wherein: the cooling channel (1) is a copper pipe or a stainless steel pipe.
3. The cic c conductor of claim 1, wherein: the superconducting sub-cable (2) is made of superconducting materials.
4. The cic c conductor of claim 1, wherein: the number of the superconducting sub-cables (2) is more than or equal to 2.
5. The cic c conductor of claim 1, wherein: the insulating layer (3) is formed by winding insulating paper.
6. The cic c conductor of claim 1, wherein: the shielding layer (4) is wound outside the insulating layer (3), and one end or two ends of the shielding layer are grounded to form a Faraday cage to shield the external magnetic field of the superconducting cable.
7. The cic c conductor of claim 1, wherein: the packaging shell (5) is made of a metal material, and the metal material is copper or aluminum.
8. The CICC conductor of any of claims 1-7 wherein: the cross section of the packaging shell (5) is circular or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010250742.5A CN111584150A (en) | 2020-04-01 | 2020-04-01 | CICC conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010250742.5A CN111584150A (en) | 2020-04-01 | 2020-04-01 | CICC conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111584150A true CN111584150A (en) | 2020-08-25 |
Family
ID=72112962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010250742.5A Pending CN111584150A (en) | 2020-04-01 | 2020-04-01 | CICC conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111584150A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158139A (en) * | 2016-07-20 | 2016-11-23 | 中国科学院等离子体物理研究所 | A kind of high-temperature superconductor CICC conductor and manufacture method thereof |
| CN107210110A (en) * | 2014-12-03 | 2017-09-26 | 马克思-普朗克科学促进协会 | Electric lead is arranged and the method for manufacturing electric lead arrangement |
| CN107564623A (en) * | 2017-07-27 | 2018-01-09 | 华北电力大学 | A kind of Cable-in-conduit conductor based on ReBCO isotropism Superconducting Strands |
| CN108140714A (en) * | 2015-09-09 | 2018-06-08 | 托卡马克能量有限公司 | HTS magnet subregions |
| CN109637739A (en) * | 2018-12-20 | 2019-04-16 | 深圳供电局有限公司 | A kind of quasi-isotropic high current-carrying hyperconductive cable electrical conductor |
-
2020
- 2020-04-01 CN CN202010250742.5A patent/CN111584150A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107210110A (en) * | 2014-12-03 | 2017-09-26 | 马克思-普朗克科学促进协会 | Electric lead is arranged and the method for manufacturing electric lead arrangement |
| CN108140714A (en) * | 2015-09-09 | 2018-06-08 | 托卡马克能量有限公司 | HTS magnet subregions |
| CN106158139A (en) * | 2016-07-20 | 2016-11-23 | 中国科学院等离子体物理研究所 | A kind of high-temperature superconductor CICC conductor and manufacture method thereof |
| CN107564623A (en) * | 2017-07-27 | 2018-01-09 | 华北电力大学 | A kind of Cable-in-conduit conductor based on ReBCO isotropism Superconducting Strands |
| CN109637739A (en) * | 2018-12-20 | 2019-04-16 | 深圳供电局有限公司 | A kind of quasi-isotropic high current-carrying hyperconductive cable electrical conductor |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200825 |
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| RJ01 | Rejection of invention patent application after publication |