Backbone of a Modern Electric Power Grid
- Mar 25, 2020 8:00 pm GMT
In 2002, a small group of people set out to develop technologies that could improve the efficiency, capacity and reliability of the electric power grid. Rather than focus on improved meters, more efficient transformers or other “smart” technologies, they went straight to the backbone – the wires themselves.
The team developed the ACCC® Conductor. This new type of bare overhead wire used a hybrid carbon and glass fiber composite core to replace the steel core wires used in conventional ACSR and ACSS conductors. The new core offered lighter weight, greater strength and a lower coefficient of thermal expansion (CTE). Reduced CTE served to reduced conductor sag – enabling increased line capacity and improved clearances; Greater strength allowed increased spans between fewer and/or shorter structures to reduce upfront capital costs on new lines; and the lighter weight core allowed the use of 28% more aluminum (without an overall weight or diameter penalty) that served to improve grid efficiency.
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