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All Journal ELT Worldwide: Journal of English Language Teaching IJoLE: International Journal of Language Education Jurnal Teknik Industri Terintegrasi (JUTIN) Jurnal Pengabdian kepada Masyarakat Nusantara Jurnal Mesin Nusantara Jurnal Abdimas Dedikasi Kesatuan Seminar Nasional Pengabdian Kepada Masyarakat Jurnal Psikologi Universitas Gadjah Mada Sultra Journal of Mechanical Engineering (SJME) ILTEK : Jurnal Teknologi Jurnal Pengabdian Masyarakat Jurnal Teknologi Manufaktur dan Industri Research and Innovation in Applied Linguistics JISH (Jurnal Ilmu Syariah dan Hukum) Educia Journal JAS MERAH: Jurnal Hukum dan Ahwal al-Syakhsiyyah Cognitia : International Engineering Journal
Arham, Muhammad
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Analisis Penerapan Fungsi Dua Tahap Pada Relay Proteksi Sbef Transformator 60 MVA Di Gardu Induk Tello 150 kV Hamka, Akhsan; Arham, Muhammad; Rombe, Marten
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 1 (2026): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i1.55373

Abstract

Power transformer protection systems require continuous optimization to ensure operational reliability and protection selectivity. This study analyzes the implementation of a two-stage Standby Earth Fault (SBEF) relay on a 60 MVA power transformer at the Tello 150 kV Substation to improve protection coordination. The methodology includes system simulation using ETAP 12.6.0 and validation through field testing. The results indicate that the two-stage SBEF configuration with a first-stage current setting of 86.6 A (TMS 0.097) and a second-stage setting (TMS 0.117) using a Long Time Inverse characteristic provides optimal protection coordination. Phase-to-ground fault simulations demonstrate selective relay operation, with feeder GFR operating at 512 ms, incoming GFR at 982 ms, first-stage SBEF at 5380 ms, and second-stage SBEF at 6490 ms. Field testing using a CMC 356 relay test set shows a maximum error of 2.02%, confirming strong agreement between theoretical calculations, simulations, and practical implementation.
Co-Authors Abduh, Amirullah Abdul Latif Abidin, Asriana Zainal Akhsan Hamka Ambo Dalle AMINUDDIN, ROSIHAN Amirullah -, Amirullah Asnefi, Asnefi Asnur, Muhammad Nur Ashar Basid, Rezqi Ananda Burhanuddin Burhanuddin Dewanto, Dedy Erwin Susanto Hamdi Muluk Hamka, Akhsan HS, Haslinda HS, Haslindah Husni Husni Husni Mubarak Husni Mubarak Irman Irman Irmayanti Irmayanti, Irmayanti Jannah, Hariratul Kusumawati, Fiska Lestary, Tanti Tri Mahmuddin Mahmuddin Mauludianna, Sri Morisonya Muhammad Basri Muhammad Fachruddin, Muhammad Muhammad Zainuddin Munir Munir, Munir Mustakim, Ahmad Nina Ariani Nur, M Ilham Nur, M. Ilham Nurhadi, Elan Parawansa, Parawansa Pranyoto, Suhari Pratiwi, sulistya rini PUTRI, Auliya Andira R Evi Sovia Rakhmat Baharuddin, Andi Rizky Agusriyanti Irna Rombe, Marten Ronaldo, Ronaldo Rony, Zahara Tussoleha Rosmaladewi, Rosmaladewi Rozamuri, Arif Murti Saud, Chaerul Fadlan Siswahyudianto Suhria, Suhria Sungkono Sungkono Syahruni, Syahruni Syam, Adi Syamsumarlin Taha, Syamsumarlin Taha Syarif, Irwan Syarifuddin Usman, Jumiati Waluyo, Marhadi Budi Wawan Kurniawan