Superconducting cable refrigerating medium spiral transmission structure and superconducting cable
A refrigeration medium and superconducting cable technology, which is applied in superconducting devices, superconducting/high-conducting conductors, and the usage of superconducting elements. It can solve problems such as large magnetic field coils, insufficient cooling effect, and complex joint structure requirements.
Active Publication Date: 2021-07-06
ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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[0005] The object of the present invention is to provide a superconducting cable refrigeration medium spiral transmission structure and a superconducting cable, which can solve the problems of insufficient refrigeration effect, large magnetic field coils, and complex joint structure requirements in the refrigeration structure and winding method of superconducting cables. question
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[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0030] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenien...
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Abstract
The invention discloses a superconducting cable refrigerating medium spiral transmission structure and a superconducting cable. The superconducting cable refrigerating medium spiral transmission structure comprises a refrigerating inner pipe and a refrigerating outer pipe. The diameter of the refrigeration inner pipe is smaller than that of the refrigeration outer pipe, the refrigeration inner pipe is arranged in the refrigeration outer pipe in a penetrating mode, and a superconducting strip is connected to the outer surface of the refrigeration inner pipe; wherein the inner wall of the refrigerating inner pipe is provided with a protruding first thread structure, the inner wall of the refrigerating outer pipe is provided with a protruding second thread structure, and refrigerating media in the refrigerating inner pipe and the refrigerating outer pipe are spirally transmitted through the first thread structure and the second thread structure respectively. By means of the protruding thread structures arranged on the inner walls of the refrigerating inner pipe and the refrigerating outer pipe, refrigerating media in the refrigerating inner pipe and the refrigerating outer pipe are spirally conveyed, and the problem that the refrigerating effect is low due to the fact that the temperatures of all parts of the refrigerating media are different is solved.
Description
technical field [0001] The invention relates to the technical field of superconducting cables, in particular to a superconducting cable cooling medium spiral transmission structure and superconducting cables. Background technique [0002] Superconducting materials refer to materials that have the properties of zero resistance and repelling magnetic field lines under certain low temperature conditions. This low temperature condition varies according to different materials, and we call it the critical temperature. Superconducting cables are designed and manufactured using the characteristics of superconducting materials becoming superconducting at their critical temperature, disappearing resistance, minimal loss, high current density, and capable of carrying large currents. Its transmission capacity far exceeds that of oil-filled cables, and is also greater than that of low-temperature cables, which can reach more than 10,000 MVA. It is a new type of cable that is being vigoro...
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Login to View More IPC IPC(8): H01B12/16H01B12/00
CPCH01B12/16H01B12/00Y02E40/60
Inventor 于是乎赵伟郑晓光杨翠茹何衍和魏俊涛
Owner ELECTRIC POWER RES INST OF GUANGDONG POWER GRID