Demand for high temperature components to expand in the overhead conductor market

Utilities are gearing to deliver more electrical power globally. Policy mediations in favor of the electrical industry, rising insistence for reconditioning and upgradation of traditional transmission grids may augur well for stakeholders striving to boost overhead conductor manufacturing.

Amidst burgeoning demand for the consumption and production of electricity, newer and advanced overhead lines with new designs, approaches and techniques are likely to gain traction in the next five years Furthermore, installing overhead conductors that can withstand high current capacities will potentially bolster the industry outlook. According to an estimate, overhead conductor market size is forecast to surpass US$950 million by 2025.

Of late, technological advancements in transmission utilities have fueled the business outlook. Dynamics of HTLS (High Temperature Low Sag) conductors, such as the ability to carry more current than conventional conductors and to withstand temperatures up to 210oC have boosted the popularity of these conductors for projects with custom requirements, mainly for uprating new lines as well as existing lines..

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However, these conductors are mainly imported and such a high reliance on imports shall hamper the overhead conductor market growth. Furthermore, there are many developing and underdeveloped regions where the transmission of electricity is expanding in recent times. It is difficult for these regions to get access to component upgrades which may impede the proliferation of the market to a certain extent.

The ACSR conductors, as per reports, held over 60% of the total overhead conductor market share. The ACSR conductors have lesser sag in comparison to other aluminum-based conductors — AAC and AAC — owing to the steel core at the center. Furthermore, end-users are likely to cash in on the tensile strength along with good conductivity. Recognized for their dependability, favorable strength/weight ratio and record of economy, ACSR conductors will profoundly be used for transmission lines and overhead distribution.

It is pertinent to mention that the high strength ACSR will be sought-after for installations pertaining to extra-long spans, overhead earth wires and river crossings.

Major producers of the conductors offer different products as per the requirements. The low lost conductor of Sumitomo Electric Industries Ltd. reduces transmission losses close to 25%. This product has same tensile strength as well as diameter as a traditional ACSR conductor.

Furthermore, owing to a core made up of aluminum-clad steel, the low lost conductor is more resistant to corrosion than traditional ACSR conductors. Moreover, the procedure to install and maintain this conductor is same as traditional conventional ACSR. Additionally, their high current carrying capacity permits the integration of N-1 system security

For instance, Prysmian’s AAAC 1120 is used for transmission in Australia over the past two decades. This conductor has electrical properties and conductor strengths suitable for Australian conditions. These conductors offer medium of communication and control, thereby creating an additional revenue source through third-party fiber leasing.

Gupta Power Infrastructure Ltd., JRG Group’s flagship company, manufactures a wide variety of products, ranging from power cables to overhead conductors. They have collaborated with Mercury Cables, for producing HVCRC conductors. Such ventures undertaken worldwide by different conduct manufacturers to expand their footprint will certainly bolster the overhead conductors market outlook.

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