Recommendation for the Utilization of Used ACSR Conductors Based on the Life Prediction Analysis of New and Used ACSR Conductors Reffering to Tensile Strength and Accelerated Thermal Aging Using the Arrhenius Method

Tajanwar Pradana SWM; Musa Partahi Marbun

doi:10.55927/cjas.v3i12.105

Penulis

Tajanwar Pradana SWM Institut Teknologi PLN Jakarta
Musa Partahi Marbun Institut Teknologi PLN Jakarta

DOI:

https://doi.org/10.55927/cjas.v3i12.105

Kata Kunci:

ACSR, Accelerated Thermal Aging, Arrhenius Method, Tensile Strength, Conductor Service Life

Abstrak

Aluminium Conductor Steel Reinforced (ACSR) is essential for high-voltage power transmission due to its electrical conductivity and mechanical strength. However, thermal aging over time can degrade its mechanical properties, affecting system reliability. This study investigates the impact of high-temperature treatment on ACSR’s ultimate tensile strength and models its service life using the Arrhenius method. Testing was conducted at PT PLN's Low Voltage Laboratory with accelerated thermal aging at 90°C to 130°C. Results show that higher temperatures significantly reduce service life. At 130°C, new conductors’ life dropped by 99.72%, while used ones decreased by 98.56%. These findings support asset management strategies for transmission systems.

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