ACCC® AZR Conductor Designed to Mitigate Heavy Ice Loads

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ACCC AZR Conductor Designed to Mitigate Heavy
Ice Loads
www.ctcglobal.com

Oct 2021
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ACCC News

• CTC Global is the privately held power grid
  solutions company whose flagship product, ACCC
  Conductor is the leading high performance, high
  voltage power line solution used by utility
  companies around the world to expand access to
  and to debottleneck their grids.
• ACCC Conductors have been selected for over
  1,000 projects by more than 250 utilities in 60
  countries and are credited with eliminating and
  avoiding over 15 million metric tons of line-loss
  related CO2 emissions.

www.ctcglobal.com
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How CTC Global and its ACCC Manufacturing
Partners are Shattering Heavy Ice Loads with
ACCC AZR Conductor

• Unlike steel which will plastically (and
  permanently) deform and yield under extreme ice
  load conditions, the ACCC composite core is
  fully elastic. The benefit is obvious, but the
  drawback is that under extreme ice it can sag
  more than a conventional steel core conductor.

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To combat this issue CTC Global offers many
strategies

• In several designs we have simply increased the
  size of the standard 310 ksi ACCC Core (for
  comparison, high strength steel is rated at 285
  ksi), which can do the trick. We have also
  designed and fully tested a higher strength ACCC
  Core rated at 375 ksi. We call this product ACCC
  ULS, which has been installed at approximately
  three dozen projects, worldwide. The ACCC ULS
  version also has a higher modulus which means it
  stretches less under extreme ice load conditions.
• In some cases, smaller diameter ACCC designs can
  also be effective at minimizing sag under heavy
  ice conditions. Most recently CTC Global has
  introduced ACCC AZR conductor which consists of
  either a standard 310 ksi core or a 375 ksi core,
  either of which are then stranded with one or
  more layers of AT3 Aluminum Zirconium alloy
  strands. (see ASTM Standard B-941 or IEC Standard
  62004).

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Expanding the Capabilities of the ACCC Conductor
Using Aluminum Zirconium Alloy to Combat Extreme
Ice Loads

• ACCC AZR Conductor uses either the standard 310
  ksi core or the higher strength 375 ksi core that
  is then wrapped with one or more layers of a high
  strength, thermal resistant aluminum-zirconium
  alloy. 
• While conventional ACCC Conductors typically use
  fully annealed aluminum to maximize conductivity,
  the ACCC AZR Conductor offers nearly the same
  efficiency, but far greater overall strength. The
  added strength and increased tensile modulus
  mitigates conductor sag under heavy wind or ice
  loads, or very long spans. 

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Contact Us 

• Website www.ctcglobal.com
• Phone [phone]
• Fax [phone]
• Email info_at_ctcglobal.com
• Thank You