Cold conduction type high-temperature superconducting cable without low-temperature medium cooling
A high-temperature superconducting, low-temperature dielectric technology, applied in superconducting devices, superconducting/high-conducting conductors, circuits, etc.
Pending Publication Date: 2022-04-08
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
View PDF0 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Since a single superconducting tape cannot well meet the actual power grid operation requirements, in order to improve the current transmission performance of superconducting conductors, several high-current high-temperature superconducting conductor structures have been proposed, such as Roebel cables, stranded TSTC cables, Round core conductor CORC cable and quasi-isotropic Q-IS strand
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0023] In the following, the present invention will be clearly and completely described in conjunction with the accompanying drawings in a specific implementation case of a conduction-cooled high-temperature superconducting cable that does not require cryogenic medium cooling.
[0024] figure 1 It is a structural schematic diagram of a conduction-cooled high-temperature superconducting cable that does not require cryogenic medium cooling, which includes a metal skeleton (1), superconducting sub-cables (2), and metal fillers (3) from inside to outside , metal casing (4) and metal cooling column (5). The superconducting sub-cables (2) of the present invention are closely arranged along the inner and outer walls of the metal skeleton (1), the outermost layer of the conduction-cooled superconducting cable is a metal sleeve (4), and the metal sleeve (4) and the superconducting The gaps between the sub-cables (2) are filled with metal aluminum (3), and the metal cooling column (5) ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a cold conduction type high-temperature superconducting cable without low-temperature medium cooling, which comprises a metal framework, eight groups of superconducting sub-cables, a metal filler, a metal sleeve and a metal cold conduction column, and is characterized in that each superconducting sub-cable consists of a unit superconducting cable and a metal sheath; the unit superconducting cable is composed of a superconducting strip group and a metal sheath, and the superconducting strip group is formed by tightly stacking second-generation high-temperature superconducting REBCO strips. Superconducting sub-cables are closely arranged along the inner wall and the outer wall of a metal framework, a metal sleeve is arranged on the outermost layer of the cold conducting type high-temperature superconducting cable, gaps between the metal sleeve and the superconducting sub-cables are filled with metal aluminum, and a metal cold conducting column is connected to the metal sleeve in a welding mode. The superconducting sub-cable is formed by stacking unit superconducting cables into a rectangular structure and covering the rectangular structure with a metal sheath. According to the cold conduction type superconducting cable without low-temperature medium cooling, the metal cold conduction columns are directly connected with a refrigerating machine, cold conduction type refrigeration is achieved on the superconducting tape through the metal sleeves, the metal filler and the metal framework, the structure adopts cold conduction type refrigeration, and compared with liquid nitrogen cooling, the heat stability is higher.
Description
technical field [0001] The invention relates to a cooling-type high-temperature superconducting cable and belongs to the field of superconducting engineering. Background technique [0002] The second-generation high-temperature superconducting REBCO tape has the advantages of low transmission loss, high current density, and strong current-carrying capacity. It has broad application prospects in the context of the development of large-scale and high-capacity power systems. Since a single superconducting tape cannot well meet the actual power grid operation requirements, in order to improve the current transmission performance of superconducting conductors, several high-current high-temperature superconducting conductor structures have been proposed, such as Roebel cables, stranded TSTC cables, Round core conductor CORC cables and quasi-isotropic Q-IS strands. In the high-temperature superconducting conductor structure cooled by liquid nitrogen, the liquid nitrogen temperatur...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): H01B12/16H01B12/06
Inventor 皮伟杨宇张兆宇孙梓源王睿琦王银顺
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)