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Journal : Journal of Research in Social Science and Humanities

Analysis of the Effect of Unbalanced Load on Neutral Current, Power Losses and Efficiency in Distribution Transformer Hartono, Hartono; Sudjoko, Rifdian Indrianto; Hariyadi, Slamet; Sukomardojo, Tekat; Julaihah, Siti
Journal of Research in Social Science and Humanities Vol 5, No 1 (2025)
Publisher : Utan Kayu Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47679/jrssh.v5i1.370

Abstract

630 kVA, 20 kV/400 Volt transformer is a distribution transformer that supplies electrical loads at the Aviation Polytechnic of Surabaya. In a distribution transformer if the inter phase load is unbalanced there will be a neutral current flowing in the neutral wire.  This load imbalance is caused by single-phase loads on a 220 Volt low voltage network. The current flowing in the neutral of this transformer causes losses, namely due to the presence of neutral current in the neutral conductor of the transformer and losses due to neutral current flowing to the ground. After analyzing the peak load during the day of 79.92% and load imbalance during the day of 12.23%, then there is a neutral current of 181 Amperes and losses due to neutral currents flowing to the ground of 7, 26%, and transformer efficiency  at the day of 88.5 %.
Co-Authors ., Suratno Aditya Kurniawan Agusman, Yudi ALI, MUH Aloysius Duran Corebima Anastasia Anastasia Anastasya, Anastasya Andang Subaharianto Anggraeni, Sahra Anjar Putro Utomo Arni Arni Aswar, Hajar Bahtiar Bahtiar Bambang Murdiansyah, Eko Bayu Purbha Sakti Bea Hana Siswati Benny Satria Wahyudi Bevo Wahono Diah Sudiarti Dian Wahyuning Tyas Dwi Wahyuni Eko Bambang Murdiansyah Erlia Narulita Fazli Rachman Febriana Dwi Wahyuni Febrianti, Intan Fikri, A. Mafaza Kanzul fithriyah, eviy aidah Hafrizdha Chandra Y Hanum, Gilang Kartika Hariati, Sri HARIYANTO HARIYANTO Hariyono, Aekanu Hartono Hartono Hasrani, Hasrani Hendri Hendri Herlinda Herlinda, Herlinda Hidayati, Siti Anisa Hikamah, Siti Roudlotul I Ketut Mahardika Iis Nur Asyiah Ikram, M. Haspedil Imam Mudakir Indrawati Indrawati Ita Ratiyani Jamhari Jamhari Jasrudin, Jasrudin Jekti Prihatin Julaihah, Siti Khotimah, Ima Husnul Khusnah, Laila M. Nasir Tamalene M. Syahputra Masrukan Masrukan Melin, Melin Mudassir Mudassir, Mudassir Murdiansyah, Eko Bambang Muslim, Imam Bukhori Mustika Setianingrum Muttaqin, Muhammad Fauzan Nadyatul Ilma Indah Savira Nainggolan, Benhur Nofita Putri, Rilla Nur Aini Nur Wahida, Sitti Nurgiansah, T Heru P Pujiastuti Paramitha Cahyani Prabowo, Abram Setyo Pradana, Dwi Putri Candra Bina Pramudya Dwi Aristya Putra Pratikno, Agus Putri Pratiwi Putri Wahyu Kinanti Qodariyah, Niyar Ana R Rachmita Rahma Nur Azizah Rahmadani, Natasha Rahmat, Alibin Raihan, Muhammad Ramadhani Abdul Asis, Rahmi Ramly, Amisbah Rayendra Wahyu Bachtiar Riska Rian Fauziah Rofi’i, Agus Rukiyanto Rukiyanto, Rukiyanto S Suratno Said, Achmad Lamo Saleh, Muhamad Saleh Santosa, Tomi Apra SATRIYAS ILYAS Setiowati, Wiwin Sofia, Hilya Wildana Sopiandy, Dede Sudjoko, Rifdian Indrianto Sugiyo Sugiyo, Sugiyo Sulifah Aprilya Hariani Suparman Suparman Suratno Suratno Suriaman Suriaman Suryono, Wiwid Sutarto Sutarto Taqiyuddin Tekat Sukomardojo Tomi Utomo Trapsilo Prihandono Vivi Darmayanti Wachju Subchan Wicaksono, Iwan Yusmar Yusuf Zahirah, Zahirah