CN114171254A - Integrated joint topology suitable for high-temperature superconducting urban power cable - Google Patents
Integrated joint topology suitable for high-temperature superconducting urban power cable Download PDFInfo
- Publication number
- CN114171254A CN114171254A CN202111508405.2A CN202111508405A CN114171254A CN 114171254 A CN114171254 A CN 114171254A CN 202111508405 A CN202111508405 A CN 202111508405A CN 114171254 A CN114171254 A CN 114171254A
- Authority
- CN
- China
- Prior art keywords
- temperature superconducting
- high temperature
- joint
- copper
- copper pipe
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910052802 copper Inorganic materials 0.000 claims abstract description 52
- 239000010949 copper Substances 0.000 claims abstract description 52
- 229910001220 stainless steel Inorganic materials 0.000 claims description 15
- 239000010935 stainless steel Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052738 indium Inorganic materials 0.000 claims description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 239000010425 asbestos Substances 0.000 claims description 3
- 239000011368 organic material Substances 0.000 claims description 3
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 30
- 239000007788 liquid Substances 0.000 description 17
- 229910052757 nitrogen Inorganic materials 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H01B12/16—Superconductive or hyperconductive conductors, cables, or transmission lines characterised by cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
-
- 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
- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
The invention discloses an integrated joint topology suitable for a high-temperature superconducting urban power cable, which comprises a high-temperature superconducting strip and a copper pipe, wherein the high-temperature superconducting strip is spirally wound inside the copper pipe; the two ends of the copper pipe are respectively provided with an electrical connector, and the electrical connectors are copper connectors and are divided into male connectors and female connectors. The invention can meet the working environment of the superconducting cable and realize the large-scale application of the superconducting cable.
Description
Technical Field
The invention relates to an integrated joint topology applicable to high-temperature superconducting urban power cables, which is applied to the field of high-temperature superconducting cables.
Background
In recent years, the second generation high temperature superconducting material (REBCO coated conductor) superconducting material has become a research hotspot in the field of power equipment due to the characteristics of no direct current resistance loss and high conduction current density, and the related applications such as superconducting cables, superconducting energy storage, superconducting transformers, superconducting current limiters, superconducting motors and the like develop rapidly. The cluster cable is formed by spirally winding a superconducting strip, has the characteristic of large engineering current density, has no insulation between layers, and can allow current to flow randomly between the layers, so the cluster cable has high thermal stability and robustness and has wide application prospect in a power transmission system. The high-temperature superconducting power cable needs to be in a low-temperature environment in power transmission, and refrigerants generally used for low-temperature refrigeration include liquid nitrogen, fixed nitrogen, gas helium, liquid helium, supercritical helium, liquid hydrogen and the like, and have different temperature intervals respectively. At present, the critical temperature of the second-generation high-temperature superconducting tape which has the most commercial application prospect is about 90K, the factors such as cost economy and the like are comprehensively considered, the liquid nitrogen environment is an economic and applicable low-temperature environment, the liquid nitrogen temperature under normal pressure is about 77K generally, and the refrigeration requirement of the second-generation high-temperature superconducting power cable can be met.
At present, a superconducting tape is prepared in a kilometer-scale long band, when the superconducting tape is applied as a power cable, a joint is inevitably used, and a common superconducting power equipment joint is formed by welding the superconducting tape and a copper joint by using indium or tin and then pressing the copper joint by pressure so as to achieve the purpose of electrical connection. When liquid nitrogen is used as a refrigerant, the problem of sealing of the liquid nitrogen needs to be considered, the refrigerant in a refrigerating pipeline needs to be ensured not to leak except for conventional electrical connection, a VCR connector which has the characteristics of good sealing performance, convenience in disassembly and assembly and the like is most commonly used in the connection industry of the liquid pipeline and is mature in technology at present, and the VCR connector is used as a mature product and has various optional sizes, so that the key problem of laying and applying a superconducting power cable is how to integrally match the superconducting electrical connector and the VCR connector and form reliable superconducting cable connection.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an integrated joint topology suitable for high-temperature superconducting urban power cables, which can meet the working environment of superconducting cables and realize the large-scale application of the superconducting cables.
One technical scheme for achieving the above purpose is as follows: an integrated joint topology suitable for a high-temperature superconducting urban power cable comprises a high-temperature superconducting tape and a copper pipe;
the high-temperature superconducting strip is spirally wound inside the copper pipe, a support for supporting the high-temperature superconducting strip is arranged inside the copper pipe, an organic insulating layer and a heat insulating layer are wound outside the copper pipe, and a stainless steel pipe armor layer is arranged outside the copper pipe; the two ends of the copper pipe are respectively provided with an electrical connector, and the electrical connectors are copper connectors and are divided into male connectors and female connectors.
Further, the material of the organic insulating layer is kapton organic material or asbestos.
Furthermore, the stainless steel pipe armor layer is filled with a thermal insulation material.
Further, the inner diameter of the copper pipe is 6mm, and the incidence angle of the high-temperature superconducting tape in spiral winding is 35-45 degrees.
Furthermore, a plurality of high-temperature superconducting tape layers are wound on the inner side of the copper pipe, and each high-temperature superconducting tape layer is wound by a plurality of high-temperature superconducting tapes together.
Further, the end part of the high-temperature superconducting strip and the electric joint are welded together through tin or indium in an oil bath temperature control mode.
Furthermore, for two adjacent sections of high-temperature superconducting cable integrated connectors, the male connectors and the female connectors are connected with each other to form electrical connection, the copper pipes are connected through the direct-insertion copper connectors, the copper pipes are welded and fixed with the direct-insertion copper connectors, the stainless steel pipe armor layers are connected with each other through the VCR connectors, and the stainless steel pipe armor layers are welded and fixed with the VCR connectors.
The invention discloses an integrated joint suitable for a high-temperature superconducting urban power cable, which designs an integrated joint topology design of a superconducting power cable under 77K, and has the advantages of providing a superconducting power cable joint topology design which is low in cost and feasible and is matched with liquid nitrogen refrigeration, ensuring the low-temperature environment of the superconducting power cable through a VCR joint and a double-layer stainless steel pipe, realizing the refrigeration purpose by utilizing the circulating flow of liquid nitrogen, and realizing the purpose of convenient disassembly and assembly through a direct-insertion type copper joint. The invention has simple design, can be used as a design scheme of a superconducting power cable for cities to promote large-scale commercial application of superconducting power equipment, can greatly reduce the energy consumption of power transmission and improve the power transmission capacity.
Drawings
Fig. 1 is a schematic structural diagram of an integrated joint topology suitable for a high-temperature superconducting urban power cable according to the present invention.
Detailed Description
In order to better understand the technical solution of the present invention, the following detailed description is made by specific examples:
referring to fig. 1, according to the integrated joint topology suitable for the high-temperature superconducting urban power cable of the present invention, a high-temperature superconducting tape 11 is spirally wound inside a copper tube 12, and the superconducting tape needs to be kept tightly attached to the copper tube, so that a certain support needs to be filled inside to prevent the superconducting tape from loosening. Multiple high-temperature superconducting tape layers can be wound on the inner side of the copper pipe, and each high-temperature superconducting tape layer is wound by a plurality of high-temperature superconducting tapes together. In order to ensure that the cable has better mechanical bending property and simultaneously ensure that the attenuation of critical current of the strip materials in the bending and winding process is not more than 5 percent, the preparation scheme of the bunched cable adopts a copper pipe 12 with the inner diameter of 6mm, the incidence angle of the spirally wound high-temperature superconducting strip materials 11 is within the range of 35-45 degrees, and each layer is wound by 3 strip materials together. The copper pipe is hollow, so that liquid nitrogen can freely circulate in the pipe, and a better refrigeration effect is achieved. In order to ensure the insulation and heat preservation of the cable, an organic insulation layer 6 and a heat preservation layer 7 are wound on the copper pipe, wherein the organic insulation layer is made of Kapton organic materials or asbestos generally.
The outer side of the copper pipe is provided with a stainless steel pipe armor layer 2, and the inner diameter of the stainless steel pipe armor layer is larger than the outer diameters of the bunched cable, the insulating layer and the insulating layer. The stainless steel tube is filled with heat insulating material to achieve good heat insulation effect.
The two ends of the copper pipe are respectively provided with an electrical connector 5, and the electrical connectors are copper connectors and are divided into male connectors and female connectors. The end part of the high-temperature superconducting strip and the electric joint are welded together through tin or indium in an oil bath temperature control mode, and the female head of the copper joint can be locked on the male head at low temperature (in a liquid nitrogen environment) by utilizing the difference of thermal expansion coefficients of different materials.
For two adjacent sections of high-temperature superconducting cable integrated connectors, the male connectors and the female connectors are connected with each other to form electrical connection, the copper pipes are connected through the direct-insertion type copper connectors 3, the copper pipes are welded and fixed with the direct-insertion type copper connectors, the stainless steel pipe armor layers are connected with each other through the VCR connectors 4, and the stainless steel pipe armor layers are welded and fixed with the VCR connectors.
At the outlet end of cable, adopt the mode of cyclic annular copper terminal with insulating insulation jacket layer to connect, cyclic annular copper terminal lug weld is on the copper pipe, need notice all need have insulating and heat preservation bed course between copper terminal and double-deck stainless steel pipe, liquid nitrogen import to guarantee that whole cable outside is uncharged and be in good low temperature environment. At the liquid nitrogen inlet, a compressor is needed to supply a certain pressure to the liquid nitrogen, the liquid nitrogen is forced to flow in the copper pipe at a certain flow velocity and flow out at the other end of the cable, and meanwhile, if two or more superconducting power cables are erected in parallel (such as a positive and negative loop of direct current transmission and a three-phase loop of alternating current transmission), the flowing of the liquid nitrogen can form a circulating cooling loop by a plurality of compression pumps and refrigerators.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (7)
1. The utility model provides an integrated joint topology suitable for high temperature superconducting urban power cable, includes high temperature superconducting tape and copper pipe, its characterized in that:
the high-temperature superconducting strip is spirally wound inside the copper pipe, a support for supporting the high-temperature superconducting strip is arranged inside the copper pipe, an organic insulating layer and a heat insulating layer are wound outside the copper pipe, and a stainless steel pipe armor layer is arranged outside the copper pipe; the two ends of the copper pipe are respectively provided with an electrical connector, and the electrical connectors are copper connectors and are divided into male connectors and female connectors.
2. An integrated joint topology suitable for high temperature superconducting urban power cables according to claim 1, characterized in that the material of the organic insulating layer is kapton organic material or asbestos.
3. The topology of an integrated joint for a high temperature superconducting urban power cable according to claim 1, wherein said armor layer of stainless steel tube is filled with thermal insulation material.
4. The topology of an integrated joint suitable for a high temperature superconducting urban power cable according to claim 1, wherein the inner diameter of the copper tube is 6mm, and the incidence angle of the spiral winding of the high temperature superconducting tape is 35 ° to 45 °.
5. The topology of claim 4, wherein multiple layers of high temperature superconducting tapes are wound around the inside of the copper tube, and each layer of high temperature superconducting tape is wound around a plurality of high temperature superconducting tapes.
6. The topology of claim 1, wherein the end of said high temperature superconducting tape and said electrical connector are soldered together by tin or indium in an oil bath temperature controlled manner.
7. The topology of an integrated joint suitable for high temperature superconducting urban power cables as claimed in claim 1, wherein for two adjacent sections of the integrated joints of high temperature superconducting cables, the male joint and the female joint are connected to form an electrical connection, the copper pipe is connected through the direct-insert copper joint, the copper pipe is welded and fixed with the direct-insert copper joint, the armor layers of the stainless steel pipes are connected with each other through the VCR joint, and the armor layers of the stainless steel pipes are welded and fixed with the VCR joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111508405.2A CN114171254A (en) | 2021-12-10 | 2021-12-10 | Integrated joint topology suitable for high-temperature superconducting urban power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111508405.2A CN114171254A (en) | 2021-12-10 | 2021-12-10 | Integrated joint topology suitable for high-temperature superconducting urban power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114171254A true CN114171254A (en) | 2022-03-11 |
Family
ID=80485465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111508405.2A Pending CN114171254A (en) | 2021-12-10 | 2021-12-10 | Integrated joint topology suitable for high-temperature superconducting urban power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114171254A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07201233A (en) * | 1993-12-28 | 1995-08-04 | Fujikura Ltd | High-temperature superconductive power cable |
| WO1996025751A1 (en) * | 1995-02-14 | 1996-08-22 | MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. | Gas-permeable high-voltage insulation |
| US6525265B1 (en) * | 1997-11-28 | 2003-02-25 | Asea Brown Boveri Ab | High voltage power cable termination |
| CN101714426A (en) * | 2008-10-03 | 2010-05-26 | 美国超导公司 | Electricity transmission cooling system |
| CN104538753A (en) * | 2014-12-01 | 2015-04-22 | 张家港金海港电线电缆有限公司 | Superconductive cable joint device |
| KR20150051130A (en) * | 2013-10-31 | 2015-05-11 | 엘에스전선 주식회사 | Very Low Temperature Cooling Device And Connecting Structure of Superconducting Device |
| CN106253199A (en) * | 2016-08-08 | 2016-12-21 | 华北电力大学 | A kind of cold insulation high-temperature superconductive cable screen layer end construction and method of attachment |
| CN110682236A (en) * | 2019-11-08 | 2020-01-14 | 中国原子能科学研究院 | Ice plug jacket device for metal surface sealing joint maintenance operation |
| CN212725625U (en) * | 2020-08-25 | 2021-03-16 | 苏州麦格尼特新技术有限公司 | Special superconducting cable joint |
-
2021
- 2021-12-10 CN CN202111508405.2A patent/CN114171254A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07201233A (en) * | 1993-12-28 | 1995-08-04 | Fujikura Ltd | High-temperature superconductive power cable |
| WO1996025751A1 (en) * | 1995-02-14 | 1996-08-22 | MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. | Gas-permeable high-voltage insulation |
| US6525265B1 (en) * | 1997-11-28 | 2003-02-25 | Asea Brown Boveri Ab | High voltage power cable termination |
| CN101714426A (en) * | 2008-10-03 | 2010-05-26 | 美国超导公司 | Electricity transmission cooling system |
| KR20150051130A (en) * | 2013-10-31 | 2015-05-11 | 엘에스전선 주식회사 | Very Low Temperature Cooling Device And Connecting Structure of Superconducting Device |
| CN104538753A (en) * | 2014-12-01 | 2015-04-22 | 张家港金海港电线电缆有限公司 | Superconductive cable joint device |
| CN106253199A (en) * | 2016-08-08 | 2016-12-21 | 华北电力大学 | A kind of cold insulation high-temperature superconductive cable screen layer end construction and method of attachment |
| CN110682236A (en) * | 2019-11-08 | 2020-01-14 | 中国原子能科学研究院 | Ice plug jacket device for metal surface sealing joint maintenance operation |
| CN212725625U (en) * | 2020-08-25 | 2021-03-16 | 苏州麦格尼特新技术有限公司 | Special superconducting cable joint |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7786385B2 (en) | Superconducting cable line | |
| CN107631105B (en) | Liquefy shale gas-liquid nitrogen-direct supercurrent cable compound energy pipe design method | |
| CN106449005A (en) | Liquid nitrogen forced flow cooling type heat exchanger assembly of current lead | |
| CN109854825B (en) | Liquid hydrogen-liquefied natural gas-high temperature superconducting hybrid energy transmission pipeline | |
| CN1873847A (en) | Cold end of heavy current lead out wire made from high-temperature superconductor, and low resistance connector of superconducting transmission line | |
| Masuda et al. | Fabrication and installation results for Albany HTS cable | |
| CN103307380B (en) | Low-temperature fluid delivery tube connector with potential isolating function | |
| CN209860161U (en) | Horizontal three-phase coaxial superconducting cable terminal | |
| Qiu et al. | General design of±100 kV/1kA energy pipeline for electric power and LNG transportation | |
| CN104682024A (en) | Multi-segment connecting device for double-current-channel high temperature superconducting cable | |
| CN102072363A (en) | Multi-layer single vacuum compound heat-insulation pipe | |
| CN102840708B (en) | A kind of refrigeration system of the superconducting motor based on Conduction cooled | |
| CN107799226B (en) | Internal cooling high-temperature superconducting composite conductor | |
| JP2008121746A (en) | Bent pipe portion of heat insulating multiple pipe for superconducting power transmission | |
| CN107631104A (en) | Liquefy shale gas liquefied nitrogen, superconducting direct current cables compound energy pipe design method | |
| US20160141079A1 (en) | Field Makeable Cryostat/Current Connections For An HTS Tape Power Cable | |
| CN104134921A (en) | End connection method of cold insulation high-temperature superconducting cable conductor | |
| CN109525069B (en) | High-temperature superconducting motor rotor cryogenic cooling system | |
| CN109724367A (en) | Refrigerator system ice chest in parallel for hyperconductive cable engineering | |
| CN114171254A (en) | Integrated joint topology suitable for high-temperature superconducting urban power cable | |
| Yamada et al. | Study on 1 GW class hybrid energy transfer line of hydrogen and electricity | |
| CN105355319A (en) | Cryostat for superconducting cable | |
| CN213145740U (en) | Anti-freezing water pipe for field long-distance water supply | |
| CN112271052A (en) | Superconducting magnet cryogenic system | |
| CN210073450U (en) | Modular high-temperature superconducting cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |