Aerial insulated cable conductor structure design method and system

By establishing a complete calculation chain and closed-loop verification mechanism for conductor structure design, the problem of inaccurate conductor resistance prediction in existing technologies has been solved, achieving accuracy and controllability in conductor structure design and improving the stability and consistency of electrical performance.

CN121168024APending Publication Date: 2025-12-19SINOSTAR CABLE CO LTD
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Patent Information

Application Number
CN202511251919.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-03
Publication Date
2025-12-19

AI Technical Summary

Technical Problem

Existing conductor structure design methods lack systematicity and integration, resulting in the inability to accurately predict the resistance value of the final conductor. The rationality of design parameters needs to be verified through actual trial production, which prolongs the development cycle and reduces production efficiency, and the electrical performance consistency is poor.

Method used

By establishing a complete calculation chain from the standard resistance per unit length of the conductor to the actual cross-section of the conductor after compression, introducing the elongation coefficient of aluminum wire and compression process parameters, and adopting a closed-loop verification mechanism, the accuracy and controllability of the design stage are ensured.

Benefits of technology

It significantly improves the accuracy and controllability of conductor structure design, enhances the compatibility of design schemes with materials and processes, ensures the stability and consistency of conductor electrical performance, and reduces design and production deviations.

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Abstract

The invention belongs to the technical field of aerial insulated cables, and discloses an aerial insulated cable conductor structure design method and system, and the method comprises the steps: S1, calculating a conductor compression effective cross section through a conductor unit length resistance standard which is a low resistance requirement for an L3-type duralumin wire aerial insulated cable; s2, calculating the total cross section required by a single wire before the conductor is compressed according to the extension coefficient of the aluminum wire; s3, selecting the number of monofilaments of each layer of the conductor and calculating the filament diameter of the monofilaments according to the standard requirement and the regular stranding criterion of the stranded wire; s4, calculating the outer diameter of the conductor; s5, calculating the die size of each layer of the conductor; s6, calculating a control section range after the conductor is compressed; and S7, calculating the actual cross section of the compressed conductor. According to the method, through the structured calculation and verification process, the design process is converted from empirical estimation to accurate parameterization calculation, and the accuracy and controllability of conductor structure design are remarkably improved.
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