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Industry News
CTC Global’s ACCC conductor receives third-party certification for CO2 Emission Reductions

The ACCC conductor uses a patented hybrid carbon fiber core that is lighter and stronger than the steel core used in conventional ACSR conductors.

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Posted on: 11/14/2016
Source: CompositesWorld

CTC Global (Irvine, Calif.) says that its ACCC conductor became the first electric transmission conductor to earn a third-party certification for CO2 emission reductions resulting from improved energy efficiency. SCS Global Services (SCS) verified that ACCC conductor reduces CO2 emissions associated with transmission line losses by 27 to 31 percent under certain design conditions compared to conventional steel reinforced ACSR conductors, the 100-year old technology currently used in most electric transmission and distribution power lines.

SCS is a trusted and neutral global leader with more than three decades of experience in third-party environmental, sustainability and certification, auditing, testing and standards development. SCS also certified CTC Global’s Conductor Comparison Program (CCPTM) tool as a valid way to estimate reductions in line losses and associated CO2 emissions achieved by installing ACCC conductor in lieu of traditional ACSR conductor. Both SCS certifications were conducted in accordance with ISO 14044:2006 standard for Life Cycle Assessment (LCA), a methodology used for evaluating the environmental performance of various products.

The ACCC conductor uses a patented hybrid carbon fiber core that is lighter and stronger than the steel core used in conventional ACSR conductors. The composite core and other advanced design features allow ACCC to incorporate 28% more aluminum in the same diameter without a weight penalty, which serves to reduce line losses and associated emission while also providing the ability to double power flow under peak load or emergency operating conditions. Additionally, unlike steel, the ACCC conductor’s composite core does not expand under highly loaded conditions. This serves to mitigate transmission line sag and clearance violations.

SCS Global’s Certification Assessment of the ACCC conductor considered a range of conductor sizes, line lengths and voltages representing a number of project types in countries such as the U.S., Indonesia, Germany, India and Chile that have varied grid mixes and associated emission factors. 

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