Cable HTLS Conductor

Cable HTLS Conductor

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High temperature and low sag conductors – HTLS conductor – They can withstand operating temperatures up to 210 °C, so they can carry a higher power compared to conventional conductors. They can be a good solution to save the right of way as a result of their higher current carrying capacity..

ZMS Manufacturer of HTLS Conductor we manufacture a wide range of cables with HTLS conductor as overhead cables, including ACCC/TW driver, ACSS conductor y ACSS/TW, TACIR and ZTACIR, G(Z)TACSR, TACSR/AW, etc.

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Main Types of ZMS Conductor HTLS Cable

ACCC/TW Conductor

Aluminum Composite Core Conductor ACCC/TW Cable is a new generation of traditional aluminum conductor cable reinforced with ACSR Conductor. As a most commonly used type of HTLS driver, It has the advantages of being light, tensile strength, good thermal stability, small slip and corrosion resistance.

Technical characteristics:

  • The ACCC/TW conductor has a lower coefficient of thermal expansion than that of conventional conductors., allowing the center gusset core to have better sag when operating at high temperatures.
  • This conductor is hardly affected by the creep of the outer aluminum wire.
  • Driver has self-damping characteristics, what makes the line anti-vibration, no need for vibration damping devices.
conductor ACCC
Conductor ACCC/TW

ACSS Conductor y ACSS/TW

Conductive ACSS is composed of a steel core and annealed aluminum wires. The conductivity of annealed aluminum wire is up to 63%IACS, which favors capacity expansion and energy conservation.

Technical characteristics:

  • The current carrying capacity of the conductor ACSS at 150℃ is 1,5 times that of ACSR with the same area at 90℃.
  • Annealed aluminum wire can save about one 2% more energy than hard aluminum wire. Under the same transmission conditions, loss can be reduced by 3%.
conductor ACSS
Conductor ACSS

Invar Conductor - TACIR and ZTACIR

The INVAR conductor is composed of an invar clad aluminum core and heat resistant aluminum alloy wires.. This conductor is suitable for retrofitting old lines. You can keep the same arrow while increasing capacity.

Technical characteristics:

  • The current carrying capacity of conductive INVAR at 210℃ is more than twice that of ACSR with the same area at 90℃.
  • The arrow of the INVAR conductor remains in the same with that of ACSR with the same overall diameter.
  • Aluminum clad invar has good electrochemical corrosion resistance performance, and the lifespan of the conductor can reach more than 40 years.
conductor invar
Conductor Invar

GAP Type Conductor - GTACSR y GZTACSR

The GAP-type conductor is composed of layers of heat-resistant aluminum alloy wires and a high-strength steel core.. Grease is filled into the gap so the steel core moves freely, what gives the driver its special characteristics.

Technical characteristics:

  • The current carrying capacity of GAP type conductor at 210℃ is twice that of ACSR with the same surface at 90℃..
  • Limit deflection increase with increasing temperature by transferring stresses above the knee point.
gap type conductor
Conductor GAP

Heat Resistant Conductor - TACSR/AW

The TACSR/AW conductor is composed of an aluminum clad steel core and heat resistant aluminum alloy wires., having a simple structure, convenient construction and maintenance, low cost and large capacity.

Technical characteristics:

  • The current carrying capacity of the TACSR/AW conductor at 150℃ is 1,5 times higher than that of ACSR with the same surface at 90℃.
  • Aluminum clad steel has good electrochemical corrosion resistance performance, and the lifespan of the conductor can reach more than 40 years.
conductor TACSR
Conductor TACSR

HTLS Conductor Technical Information

Structure of HTLS Driver
Conductor MaterialMinimum Tensile Strength(Mpa)modulus of elasticity(Gpa)Min. Divine Longitude(%)Linear Expansion CoefficientAllowable Operating Temperature (℃)
ContinuoShort term
Galvanised steel1379~14482063.0-4.011.5180200
High Strength Galvanized Steel (B606)1517~16202063.0-3.511.5180200
Zn-5A1-MM Acero (B803)1517~16202063.0-3.511.5250350
Ultra High Strength Galvanized Steel1827~19652063-3.511.5180200
Zn-5A1-MM Ultra High Strength Steel1827~19652063-3.511.5250300
CTC ACCC/TW2137~248211421.6180200
3M ACCR13792200.646250300
Aluminum Clad Steel(AW) 20.3% IACS1034~1344162313150200
Invar Aluminum Clad Steel 14% IACS1207~127615233.7210240

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