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Simulation analysis method for current density distribution of high-temperature superconducting conductor

A high-temperature superconducting, superconducting conductor technology, applied in design optimization/simulation, electrical digital data processing, instruments, etc., can solve problems such as no unity

Active Publication Date: 2020-01-17
TSINGHUA UNIV +2
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] At present, there are few conductor designs for superconducting DC cables, and there is no unified design criterion. Most superconducting DC cable conductor designs are still based on the guiding principle of superconducting AC cable conductor design - by allowing the current to be evenly distributed in each layers of superconducting tape to minimize AC losses

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  • Simulation analysis method for current density distribution of high-temperature superconducting conductor
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  • Simulation analysis method for current density distribution of high-temperature superconducting conductor

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Embodiment Construction

[0037] The technical solution of the present invention will be further introduced in detail below in conjunction with the accompanying drawings and specific embodiments.

[0038] Such as figure 1 As shown, a bipolar high-temperature superconducting DC system includes two high-temperature superconducting DC cables 1, and the high-temperature superconducting DC cables 1 are arranged in parallel in a liquid insulating layer 7, and the outer periphery of the liquid insulating layer 7 A liquid natural gas 5 is provided, and a heat insulating layer 6 is provided on the outer periphery of the liquid natural gas 5 .

[0039] The distance between the centers of the two high temperature superconducting DC cables 1 arranged in parallel is 86mm.

[0040] The two HTS DC cables 1 are symmetrical about the central plane 8 .

[0041] A high-temperature superconducting DC cable 1 includes a copper support tube 4, a superconducting strip 2 and an insulating layer 3, the copper support tube 4 ...

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Abstract

The invention provides a simulation analysis method for current density distribution of a high-temperature superconducting direct-current system considering the overall utilization rate of a superconducting tape. Firstly, a three-dimensional model is established for a high-temperature superconducting direct-current cable conductor, current distribution on the superconducting conductor is obtainedby solving the three-dimensional model, the overall utilization rate of strips is improved by optimizing the screw pitch of the superconducting strips, current distribution on each superconducting strip is uniform, and the use amount of the strips is small.

Description

technical field [0001] The invention belongs to the field of superconducting cable design, in particular to a simulation analysis method for the current density distribution of a high-temperature superconducting conductor considering the utilization rate of superconducting strips. Background technique [0002] High-temperature superconducting cables can realize large-capacity current transmission with low transmission loss, and are an excellent way to realize energy transmission in a limited space. Since the superconducting DC cable has zero resistance, it can truly exert the performance of the superconducting cable. The use of superconducting cables alone requires corresponding cooling equipment, which increases the complexity of the power transmission system. The superconducting energy pipeline can transmit electric energy and liquefied natural gas at the same time, providing a relatively suitable low temperature environment for the operation of high-temperature supercond...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G06F113/16
Inventor 蒋晓华黄伟灿薛芃陈晓刚
Owner TSINGHUA UNIV
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