Composite Superconducting Conductors for High-Ampacity Power Transmission

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Solution Overview

Problem

The existing electrical grid infrastructure faces challenges with limited current-carrying capacity and inefficiency due to the use of Aluminum Conductor Steel-Reinforced (ACSR) technology, exacerbated by the integration of renewable energy sources in remote locations, leading to significant energy losses and greenhouse gas emissions.

Innovation Solution

Development of composite conductors comprising a strength member with a core formed of a composite material and an encapsulation layer, combined with a conductor layer made of low resistance materials such as superconductors or superconductor-like materials, offering resistivity below 10−10 Ω·cm over a wide temperature range.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional ACSR conductor technology is used, then the infrastructure is simple and well-established, but the current-carrying capacity is limited and energy losses are high

Engineering Contradiction:

Improvecurrent-carrying capacityVSAvoidenergy losses

Core Design Contradiction:

ProductivityVSLoss of energy

Solution Approach 1:

The patent applies composite materials by combining a strength member (composite core with encapsulation layer) and a conductor layer made of low resistance material. This composite structure enables the conductor to achieve higher current-carrying capacity and lower energy losses while maintaining mechanical strength, directly resolving the technical contradiction between productivity and energy loss.

Inventive Principle:

Principle #40Composite materials

2Productivity

If conventional conductor materials are used, then the device complexity is low, but the transmission efficiency over long distances is poor

Engineering Contradiction:

Improvetransmission efficiencyVSAvoidconductor structure complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The patent employs composite materials with a structured design comprising a strength member and a conductor layer. This composite approach improves transmission efficiency by utilizing low resistance materials while the multi-layer structure manages the complexity through functional segmentation, where each layer serves a specific purpose (mechanical strength vs. electrical conduction).

Inventive Principle:

Principle #40Composite materials

Solution Approach 2:

The conductor is segmented into distinct functional layers: a strength member (with composite core and encapsulation layer) and a conductor layer. This segmentation allows each component to be optimized independently for its specific function, improving overall transmission efficiency while keeping the design manageable through clear functional division.

Inventive Principle:

Principle #1Segmentation

3Productivity

If ACSR technology is used, then the manufacturing process is simple and cost-effective, but the ampacity is constrained

Engineering Contradiction:

ImproveampacityVSAvoidmanufacturing complexity

Core Design Contradiction:

ProductivityVSEase of manufacture

Solution Approach 1:

The patent applies composite materials to achieve higher ampacity through a structured combination of a strength member and a low resistance conductor layer. While the material composition becomes more complex, the manufacturing process remains feasible through established composite fabrication techniques, balancing ampacity improvement with manufacturing considerations.

Inventive Principle:

Principle #40Composite materials

4Loss of energy

If conventional conductors are used for long-distance transmission, then the infrastructure is simple, but the line losses are substantial

Engineering Contradiction:

Improveline lossesVSAvoidconductor design complexity

Core Design Contradiction:

Loss of energyVSDevice complexity

Solution Approach 1:

The patent uses composite materials with a strength member and conductor layer structure to dramatically reduce line losses through low resistance material. The design manages complexity by organizing the composite structure into clear functional layers, where the conductor layer minimizes electrical losses and the strength member provides mechanical support.

Inventive Principle:

Principle #40Composite materials

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

The composite conductors provide lower resistance, higher ampacity, reduced line losses, and enhanced mechanical strength, enabling efficient long-distance power transmission while reducing greenhouse gas emissions.

Implementation Method 1

The low resistance material has a resistivity of less than 10−10 Ω·cm over an operating temperature in a range of from about −40 degrees Celsius to about 250 degrees Celsius. In some embodiments, the low resistance material includes a superconductor or superconductor like material.

Methodology Applied

Scientific EffectSuperconductivity: Superconductivity

Data Source

PatentUS20260024683A1Composite conductors including low resistance materials

Publication Date: 2026.01.22 TS CONDUCTOR CORP

AI summary

An apparatus comprises a strength member and a conductor layer disposed around the strength member. The strength member includes a core formed of a composite material, and an encapsulation layer disposed around the core. The conductor layer includes a low resistance material having a resistivity of less than 10−10 Ω·cm over an operating temperature in a range of from about −40 degrees Celsius to about 250 degrees Celsius. The conductor material may include a superconductor or superconductor like material.