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All Journal MEDIA ELEKTRIKA JTEV (Jurnal Teknik Elektro dan Vokasional Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik PROSIDING CSGTEIS 2013 Journal of Telematics and Informatics Journal of Electrical Technology UMY Angkasa: Jurnal Ilmiah Bidang Teknologi JPPM (Jurnal Pengabdian dan Pemberdayaan Masyarakat) Indonesian Journal of Community Services Aviation Electronics, Information Technology, Telecommunications, Electricals, Controls (AVITEC) Didaktik : Jurnal Ilmiah PGSD STKIP Subang Journal of Electrical Engineering and Computer (JEECOM) JTEIN: Jurnal Teknik Elektro Indonesia Jurnal Ilmiah Sultan Agung Impression : Jurnal Teknologi dan Informasi Jurnal Teknik Informatika dan Teknologi Informasi
Bustanul Arifin
Universitas Islam Sultan Agung
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Analisis Perbaikan Drop Voltage Melalui Perubahan Tap Changer Pada Trafo Distribusi 50 kVA 3 Phasa Menggunakan ETAP 19 Maulana Yusuf Arraihan; Bustanul Arifin
Impression : Jurnal Teknologi dan Informasi Vol. 5 No. 1 (2026): Maret 2026
Publisher : Lembaga Riset Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59086/jti.v5i1.1450

Abstract

Dalam Sistem distribusi tenaga listrik dapat terjadi penurunan tegangan (voltage drop) di ujung saluran akibat beban tinggi dan jarak saluran yang panjang, sehingga berdampak pada kualitas daya serta merugikan pelanggan PT PLN (Persero) ULP Adonara. Analisis perbaikan drop voltage melalui simulasi perubahan posisi tap changer pada trafo distribusi 50 kVA, 3 phasa dilakukan di area Gardu Distribusi AD41. Metode Penyesuaian posisi tap changer pada trafo distribusi dilakukan dengan pemodelan sistem distribusi dalam bentuk single line diagram, dan analisis aliran daya menggunakan perangkat lunak ETAP 19, serta model parameter data pengukuran tegangan dan beban menggunakan spesifikasi sistem distribusi untuk menentukan posisi tap trafo yang optimal. Hasil penelitian menunjukan bahwa ETAP 19 mampu digunakan untuk simulasi perbaikan drop voltage melalui perubahan tap changer dibuktikan dengan hasil analisis simulasi aliran daya. Hasil simulasi sebelum penyesuaian tap, tegangan pada sisi sekunder trafo 217 V di bawah batas standar tegangan yang diizinkan. Setelah simulasi perubahan tap changer ke posisi optimal (tap ke-3), tegangan sistem meningkat signifikan menjadi 228 V, sehingga memenuhi standar pelayanan yang berlaku. Penelitian ini memberikan kebaruan dengan memperkuat teori yang ada serta membuktikan bahwa penyesuaian tap changer berdampak positif terhadap efisiensi sistem distribusi dan pengurangan rugi-rugi daya.   In electrical power distribution systems, voltage drop can occur at the end of distribution lines due to high loads and long line distances, affecting power quality and causing losses for customers of PT PLN (Persero) ULP Adonara. This study analyzes voltage drop improvement through simulations of tap changer adjustments on a 50 kVA, 3 phase distribution transformer in the AD41 Distribution Substation area. The method involves modeling the distribution system as a single line diagram and conducting power flow analysis using ETAP 19, supported by measured voltage and load data based on system specifications to determine the optimal transformer tap position. The results show that ETAP 19 can be used to simulate voltage drop improvement through tap changer adjustments, as demonstrated by power flow analysis results. Prior to adjustment, the transformer secondary voltage was 217 V, below the permissible standard. After adjusting the tap changer to the optimal position (tap-3), the voltage increased to 228 V, meeting applicable service standards. This study provides novelty by reinforcing existing theories and demonstrating that tap changer adjustments positively impact distribution system efficiency and reduce power losses.
Co-Authors Adi Sulistiono Agus Adhi Nugroho Agus Adhi Nugroho Agus Suprajitno Amir Cahyadi Ary Sulistyo Utomo Asep Yayan Yuhana Budi Pramono Jati Budisusila, Eka Nuryanto Eka Nuryanto Budi Susila Jenny Putri Hapsari Maulana Yusuf Arraihan Meidi Pranata Muhammad Khoirun Faza Muhammad Khosyi'in Muhammad Khosyi’in Muhammad Khosyi’in Munaf Ismail Nikmatul Azizah Nurhadiyono, Siswanto Nurris Dwi Setiyawan Puji Khoriyanto Purbo Tri Prakoso Raka Firmansyah Ris Ardianto Sri Arttini Dwi Prasetyawati Suryani Alifah