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All Journal International Journal of Applied Power Engineering (IJAPE) JTEV (Jurnal Teknik Elektro dan Vokasional Al Ishlah Jurnal Pendidikan International Journal of Artificial Intelligence Research JOURNAL OF ELECTRICAL AND SYSTEM CONTROL ENGINEERING INTECOMS: Journal of Information Technology and Computer Science Jurnal Elektro dan Telkomunikasi INFOKUM Reswara: Jurnal Pengabdian Kepada Masyarakat Jurnal Abdidas Jurnal Scientia Jurnal Sosial dan Teknologi Jurnal Ekonomi Jurnal Info Sains : Informatika dan Sains Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) Jurnal Media Computer Science Jurnal Indonesia Sosial Teknologi Prosiding Seminar Nasional Teknik UISU (SEMNASTEK) Journal Serambi Engineering (JSE)
Rahmaniar Rahmaniar
Universitas Pembangunan Panca Budi Medan
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Analysis Of Transformer Reliability And Loading At The New Cirata 150kv Substation Muhammad Daud Rizky Siregar; Dino Erivianto; Rahmaniar Rahmaniar
Jurnal Media Computer Science Vol 5 No 2 (2026): April
Publisher : LPPJPHKI Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/jmcs.v5i2.11241

Abstract

Transformers are critical components in power transmission systems that require regular reliability monitoring and load analysis to ensure optimal operation. This study analyzes the reliability and load characteristics of a 60 MVA power transformer at the Cirata Baru 150kV substation using operational data from July 2025. The research methodology used a quantitative approach with SCADA data analysis and graphical visualization. The analysis results show that the transformer operated with an average load of 19.75 MVA (32.91% loading) and a peak load of 20.40 MVA (34% loading) which occurred on July 17, 2025, at 19:00 WIB. The average power factor reached 96.52%, indicating excellent system efficiency. The average operating current was recorded at 551.77 A with a stable operating voltage of 20.49 kV. The transformer's capacity margin of 39.60 MVA (66%) provides ample room for future load growth. Load growth projections assuming 5% per year indicate that the transformer has sufficient capacity to serve needs for at least the next 15 years. Operational conditions well below nominal capacity provide high reliability and a long economic life.
Co-Authors Abdul Hakim Butar Butar Adi Sastra P Tarigan Adi Sastra P Tarigan Agus Junaidi Agus Junaidi Ahmad Budiarto Albert Panjaitan Anggoro Indra Kusuma Atmaja Apda Eriansyah Arief Fachrozi Arsita Devi Tambunan Baharuddin Baharuddin Beni Satria Benri Purba Budi Hartono Catra Indra Cahyadi Debby Keumala Sari Dicky Lesmana Dimas Yudho Wibowo Dino Erivianto Eko Toni Hagler Simamora Ericson Rajagukguk Erpandi Dalimunthe Feri Karyanta Bangun Hamdani Hamdani Hermansyah Alam Heru Irwansyah Hot Marindo Hutabarat Ihsan Fahreza Imelda Martalata Siburian Indayani, Pratiwi Joni S. Rambey Joni Safrin Rambe Khairul Muhammad Daud Rizky Siregar Muhammad Erpandi Dalimunthe Muhammad Erpandi Dalimunthe Muhammad Rizki Alfurqon Muhammad Rizki Syahputra Najla Lubis Parlin Siagian Parlin Siagian Pratiwi Indayani Pristisal Wibowo Raihan Nurharfi Rudi Salman Rudi Salman Siti Anisah Siti Anisah Siti Anisah Suwarno, Suwarno Trio Putra Agung Wijaya Wanapri Pangaribuan Wendi Afriandi Yunus Satria Solin Zharfan Asyraf Zuraidah Tharo