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Why ACCC Conductors Are Ideally Suited For Long Span Applications – CTC Global

The ACCC conductoru2019s composite core offers a very low coefficient of thermal expansion so, under heavy electrical loads, the core does not elongate causing additional conductor sag. To know more visit >> www.ctcglobal.com

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Why ACCC Conductors Are Ideally Suited For Long Span Applications – CTC Global

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  1. Why ACCC Conductors Are Ideally Suited For Long Span Applications www.ctcglobal.com Jun  2020

  2. Introduction CTC Global is an ACCC conductor manufacturing company that was founded to develop, certify and deploy advanced technologies to improve the efficiency, capacity, reliability and resiliency of the electric power grid. Our primary product is high-capacity, low-sag CTC Global ACCC Conductor solutions. www.ctcglobal.com

  3. History of ACCC Conductor  Initially deployed in 2005, the ACCC conductor has become the dominate technology for transmission and sub-transmission projects where efficiency, capacity, reliability and resiliency are paramount design objectives. The ACCC conductor’s hybrid carbon fiber composite core also makes it ideally suited for long span applications for a number of important reasons. www.ctcglobal.com

  4. The ACCC conductor composite core • The strength to weight ratio of the ACCC conductor composite core is approximately five to seven times greater than a steel core. For instance, typical steel used for bare overhead conductor core strands offers a tensile strength of ~200 ksi, while the high-strength version of steel offers 275 ksi.  www.ctcglobal.com

  5. What ACCC composite core consists of  • The ACCC composite core consists of hundreds of thousands of structural fibers bound together with a high-performance epoxy matrix without any voids. The lack of voids not only enhances core strength, it also prevents Aeolian Vibration from causing fretting fatigue, microfracture propagation and stress fatigue failure where the round strands typically rub against themselves, especially at higher tensions in areas prone to wind. www.ctcglobal.com

  6. In the case of the ACCC conductor • The resistance to Aeolian Vibration is further improved by the fact that the ACCC conductor uses compact, trapezoidal shaped aluminum strands. Unlike conventional round wire strands used in most conductor types, the flat sided trapezoidal strands dissipate vibration over a much more substantial surface area compared to round wire conductor designs. The ability to dissipate vibration more efficiently is a highly sought attribute for conductors that are deployed on long spans where tension is much higher and where predominate winds at higher elevations above ground or water generate Aeolian Vibration. www.ctcglobal.com

  7. Conclusion  • The lighter weight and greater strength of the ACCC conductor can contribute significantly to reducing structural costs and tower height. Additionally, the ACCC conductor’s composite core offers a very low coefficient of thermal expansion so, under heavy electrical loads, the core does not elongate causing additional conductor sag. www.ctcglobal.com

  8. Contact Us  Website:www.ctcglobal.com Phone: +1 949 428 8500 Fax: +1 949 428 8515 Email: info@ctcglobal.com Thank You

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