ACCC/TW Conductor

HTLS ACCC-cable

ACCC/TW (Aluminum Conductor Composite Core / Trapezoidal Wire) is a next-generation HTLS (High Temperature Low Sag) overhead conductor, designed as an advanced replacement for traditional ACSR conductors.

It features a carbon fiber reinforced composite core combined with trapezoidal annealed aluminum strands, providing higher ampacity, lower sag, and reduced line losses compared to conventional conductors.

The conductor offers excellent mechanical strength, corrosion resistance, and thermal performance, making it suitable for demanding environments.

Manufactured in accordance with ASTM B857, ASTM B609, and IEC 62708 standards, ACCC/TW conductors are widely used in transmission line upgrading, new line construction, long-span projects, and harsh environments such as coastal, high pollution, and heavy icing areas.

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Structural & Technical Principles

Core Structural Components

1. Carbon Fiber Composite Core Rod: High tensile strength, low coefficient of linear expansion, high temperature resistance; bears the main mechanical tension of the conductor.

2. Outer Trapezoidal Aluminum Wire: 1350 series high-purity aluminum, annealed soft aluminum process, higher filler content, larger current carrying capacity, and lower loss.

3. Advantages of Composite Structure: No steel hysteresis loss, lightweight, small sag, and minimal conductor deformation under high temperature operation.

Core Working Principle

ACCC conductors can operate stably for extended periods at 180℃~200℃. Their coefficient of linear expansion is only 1/10 that of traditional steel-core conductors. They do not sag significantly under high temperature and heavy loads, allowing for a substantial increase in transmission capacity without modifying towers.

ACCC/TW Conductor Specifications

ACCC conductor
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ACCC/TW (Aluminum Composite Core) is a high-temperature low sag (HTLS) overhead power line conductor cable. ACCC/TW carbon fiber composite conductor is our company’s new type of overhead power line. The cable’s central performance reinforcement assembly is made of carbon fiber and glass fiber composites. 2-4 The 1350-type aluminum (alloy) wires that were returned are checked on the periphery of the reinforcement. The returned 1350 aluminum (alloy) wire meets the requirements of ASTM B857/ASTM B609.

ACCC/TW overhead lines are in many ways due to the current Concentric Stranded Aluminum Strands (ACSR or ACSS). Product advantages are reflected in transmission capacity, wire sag, wire loss, the structure of reinforcing core, etc. At the same time, the installation, and replacement of the product are very convenient, the line can be quickly replaced at a lower cost, and the transmission capacity of the line can be increased. This brings huge benefits to power companies. Ultimately, it brings convenience to industry, businesses, and residents.

ACCC/TW Conductor Data Sheet

accc conductor specification
accc conductor specification

ACCC/TW (Aluminum Composite Core) is one of the materials with high-temperature low sag  (HTLS conductor). Other materials for high-temperature low trap conductors are the Invar Conductor series (TACIR and ZTACIR), Gap Type Conductor, ACSS Type Conductor, TACSR/AW Type Conductor, etc.

ACCC/TW Conductor Features

ACCC/TW carbon fiber composite conductors also have some important features and advantages compared to traditional concentrically stranded aluminum conductors (ACSR or ACSS):

  • Higher Capacity – more than twice the normal capacity of conventional conductors – can alleviate bottlenecks brought about by previous power transmissions and provide a “no-regrets” path for the future development of the grid.
  • Higher Reliability and ToughnessZMS Cables produces ACCC conductors with higher strength and low-sag performance, combined with the factory’s superior core technology, giving the cable greater reliability and tensile toughness for enhanced cable performance over time.
  • Reduced Project Costs Reduced Time – ACCC conductors provide the most power quickly at the lowest investment cost when used for new lines or when developing new conductor projects.
  • Improved Efficiency – ACCC conductors are manufactured to exacting standards and requirements to minimize line losses under any load condition, lowering costs for utilities and consumers, and reducing greenhouse gas and carbon dioxide emissions.
  • Easier to Use – The steel wire of the ACCC conductor adopts annealed aluminum wire stranding structure at the periphery of the reinforcing core, which gives it self-damping characteristics, thus making the line vibration-resistant and eliminating the need for damping devices such as vibration-damping hammers.

Engineering Applications

Cooperation with ZMS

ACCC cable offer with ZMS

Indonesia Partners With ZMS on ACCC/TW Cables

Product: ACCC Laredo
Quantity: 16T
Packing: Wooden Drum

Advantages: ZMS perfectly achieves timely production and on-time delivery within thirty days with a variety of product qualifications, which is faster than many manufacturers, and is highly regarded and trusted by customers.

ZMS Cable Service

Wide Cable Product Range
As a professional cable manufacturer and exporter, ZMS supplies a complete range of power cables, control cables, instrument cables, and conductors for global industrial projects.

International Standards & Custom Production
Products are manufactured according to IEC, BS, ASTM, DIN, GB, and other standards, with custom cable design available based on technical requirements.

Professional Technical Support
Free pre-sales consultation, product selection guidance, and one-to-one project solution support for different application environments.

Reliable Delivery Solutions
Optimized packaging and shipping plans to ensure safe delivery while helping reduce transportation risks and costs.

Export Packaging Protection
Wooden drums, cartons, or coils packaging with moisture-proof sealed cable ends and waterproof markings for international transport.

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