Optical Fiber Cable Exhibition 2024 Information: Development Prospects of Composite Conductor Core Wires
Optical Fiber Cable Exhibition 2024 knows that there are a massive number of clean energy projects (about the size of the entire current U.S. power grid) waiting for approval. Although the potential for clean energy development is tremendous, building such scale of infrastructure is indeed a daunting task, thereby necessitating intelligent engineering and efficient design for utilities, which require high quality and low maintenance costs.
In July 2021, during a heatwave, overhead cables sagged, and 6,000 residents in Portland, Oregon, USA experienced a power outage. Traditional conductors consist of an aluminum conducting ring and a steel core, known as Aluminum Conductor Steel Reinforced (ACSR) conductors. However, the Optical Fiber Cable Exhibition 2024 understands that the current carrying capacity of such traditional conductors is limited by the high thermal expansion coefficient of the steel core. The heat generated by the current through the conductor and the environmental temperature cause the steel to expand.
Combined with the weight of the steel-reinforced cables, during hot weather or high power demand periods, the increased current produces substantial heat, leading to thermal sagging of cables. This deformation of cables can further result in short circuits and interruptions in power transmission.
Composite conductor cores are an alternative to traditional ACSR steel core designs. Carbon fiber has many advantages, with a strength-to-weight ratio higher than stainless steel and tensile strength performance superior to plastics and other non-metallic materials. Additionally, the thermal expansion coefficient of carbon fiber is lower than that of steel S355, which means that composite core cables can be stretched tighter to prevent sagging and offer more advantages on long-distance transmission networks.
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