HTS Cable Edge Components for Adjustable Coil Resistance
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Solution Overview
Problem
High temperature superconducting cables face challenges in achieving controlled resistance and integrating circuitry components, particularly in partially insulated coils, which can result in lower current density and bulkier designs.
Innovation Solution
The proposed HTS cable design incorporates a conductive channel with a groove for the HTS material, an insulating layer, and a conductive layer on the outer surface, featuring recesses with electrical assemblies that include resistors and other components for adjustable resistance and integrated circuitry, allowing for controlled resistance and efficient current flow between turns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If HTS cables use traditional insulated coil designs, then current density is maintained, but device complexity and bulkiness increase due to required insulation layers and integration difficulty of circuitry components
Solution Approach 1:
The cable cross-section is segmented into distinct functional zones: a central groove containing HTS material, surrounding conductive channels for current distribution, and integrated recesses for electrical components. This segmentation allows partial insulation by creating discrete current paths while maintaining high current density in the HTS region.
Solution Approach 2:
The invention merges multiple functions into a single integrated cable structure: the conductive channel serves both as electrical connection and structural support, recesses integrate electrical components directly into the cable body, and the groove simultaneously contains HTS material and defines its positioning. This merging eliminates separate insulation layers and reduces overall cable bulk.
2Adaptability or versatility
If HTS cables integrate electrical components directly, then adaptability and functionality improve, but manufacturing precision requirements increase due to alignment and positioning demands
Solution Approach 1:
Recesses for electrical components are pre-formed into the conductive channel structure during cable manufacturing. This preliminary action establishes precise positioning features before component installation, ensuring accurate alignment and reducing assembly complexity while maintaining manufacturing feasibility.
Solution Approach 2:
The conductive channel acts as an intermediary structure that bridges the HTS material and external electrical components. It provides a controlled interface with defined geometric features (recesses, grooves) that simplify component mounting while maintaining electrical performance, thus reducing precision requirements compared to direct HTS-component connections.
3Ease of manufacture
If HTS cables use uniform cladding layers, then manufacturing ease and structural integrity are maintained, but adaptability for different electrical configurations decreases
Solution Approach 1:
The cable structure implements local quality variations: the conductive channel has different properties in different regions (groove depth, recess positions, cross-sectional area) to optimize current distribution and component integration locally, while the overall cable maintains a regular external form for ease of manufacture and handling.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design enables the creation of partially insulated HTS coils with adjustable resistance, enhancing current density and allowing for the integration of various electronic components, thereby improving the stability and efficiency of HTS coils.
Implementation Method 1
when the HTS material is in a superconducting state the HTS material forms a superconducting current path along the cable
Implementation Method 2
The insulating layer is located on a surface of the channel... containing insulation which separates the electrical assembly from the channel
Data Source
AI summary
A high temperature superconducting, HTS, cable. The HITS cable comprises a channel, HITS material, and an insulating layer. The channel is formed from conductive material, and has a groove extending along the length of the HTS cable. The HTS material is located within the groove, such that when the HTS material is in a superconducting state the HTS material forms a superconducting current path along the cable, and the HTS material is electrically connected to the channel. The insulating layer is located on a surface of the channel. The channel has a plurality of recesses, each recess containing a electrical assembly comprising a conductive path and/or one or more electrical components, and further containing insulation which separates the electrical assembly from the channel. The HTS cable further comprises, for each recess; a first electrical connection which provides an electrical connection across or through the insulating layer from the electrical assembly within the recess; a second electrical connection which electrically connects the channel to the electrical assembly within the recess; such that any conductive path from the first electrical connection to the second electrical connection through the recess passes through the electrical assembly.