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Enhancing Transmission Capacity and Reducing Power Losses via 500 kV Reconductoring with ACCC Conductors Muhammad Faqih; ujang wiharja; Abdul Kodir Al Bahar
JURNAL ELEKTRO Vol 14 No 2 (2026): JURNAL ELEKTRO
Publisher : Teknik Elektro Universtias Krisnadwipayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61488/jetro.v14i2.922

Abstract

The rapid industrial growth in strategic zones demands a highly reliable electricity supply system. However, existing 500 kV Extra High Voltage transmission lines equipped with traditional ACSR conductors often face critical challenges, including limited transmission capacity, significant power losses, and excessive sagging due to material degradation. This study investigates the effectiveness of reconductoring a 12.13 km segment of a 500 kV transmission network using High-Temperature Low-Sag (HTLS) Aluminium Conductor Composite Core (ACCC) technology. Employing a qualitative descriptive method with a case study approach, data were gathered through field observations and technical documentation analysis. The results demonstrate that replacing the legacy ACSR conductors with ACCC Amsterdam conductors significantly enhances network performance without the need for new tower infrastructure. Specifically, the transmission capacity increased from 1500 A to 2250 A (a 1.5-fold improvement), while power losses were reduced by up to 10%. Furthermore, the ACCC conductors maintained voltage stability with drops not exceeding 5% and operated safely at a maximum operating temperature of 160°C, effectively mitigating sagging issues. The reconductoring process proved to be a highly cost- and time-efficient strategy compared to building new transmission lines. In conclusion, utilizing ACCC conductors for 500 kV transmission upgrades provides a robust solution to optimize power supply reliability and efficiency, fully supporting the escalating energy demands of heavy industrial areas
Analisa Perbandingan Konduktor ACSR Hawk dan ACCC Amsterdam pada Rekonduktoring SUTET 500 kV di Suralaya-Cilegon Ujang Wiharja; Muhammad Faqih
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 3 No. 5 (2025): September : Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v3i5.1093

Abstract

Transmission line reconductoring is one of the strategic solutions to increase the capacity and efficiency of the power system without the need to build new infrastructure. This study aims to analyze and compare the performance of two types of conductors, namely ACSR Hawk and ACCC Amsterdam, used in the Suralaya-Cilegon 500 kV SUTET transmission line. The comparison is carried out by considering technical aspects including power losses, ampacity, horizontal and vertical sag values, and overall energy efficiency. The research methodology involved a literature study, collection of conductor technical data, calculation of resistance, current, and power losses, and simulation of sag values against temperature variations. In addition, economic analysis and field implementation aspects were also considered to assess the feasibility of using each conductor. The results show that Amsterdam's ACCC conductor has superior technical performance compared to Hawk's ACSR. ACCC is capable of delivering currents up to ±1300 A, compared to ACSR Hawk which is only ±800 A. The power loss value using ACCC is recorded at ±1.34 MW, lower than ACSR Hawk at ±1.79 MW. In addition, ACCC exhibits smaller sag values due to its lighter weight and higher tensile stress, making it more stable against temperature fluctuations. In terms of energy efficiency, the use of ACCC can save energy up to ±3942 MWh per year. By considering the technical advantages and long-term energy efficiency, this study recommends the use of Amsterdam ACCC as a reconductoring solution for high-voltage transmission lines, especially in systems that have high loads and require maximum reliability and efficiency.