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All Journal APPROACH: Jurnal Teknologi Penerbangan Jurnal Penelitian Prosiding SNITP (Seminar Nasional Inovasi Teknologi Penerbangan) Journal of Research in Social Science and Humanities Journal of Public Transportation Community
Hartono
Politeknik Penerbangan Surabaya
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SISTEM PROTEKSI DAN MONITORING KESEIMBANGAN BEBAN TIGA FASA PADA JARINGAN DISTRIBUSI TEGANGAN RENDAH MENGGUNAKAN MIKROKONTROLER BERBASIS IOT rifdian indrianto; Hartono Hartono; Kustori Kustori; Slamet Hariyadi; Suhanto Suhanto
Jurnal Penelitian Vol. 8 No. 2 (2023): Jurnal Penelitian Juni 2023
Publisher : Politeknik Penerbangan Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46491/jp.v8i2.1502

Abstract

Three-phase electrical systems are widely used by industrial consumers because of their large power requirements. The 3-phase system is more economical in the delivery of electrical power than the single-phase system because the conductor used is smaller for the same power. A 3-phase system is said to be balanced if the load used is also balanced between the three R-S-T phases. However, in practice the balance of the three phases is very difficult to achieve because the electrical load of each house or industry is not necessarily identical. As a result of this imbalance between the R-S-T phases can cause damage to electronic equipment that uses 3-phase electricity if used continuously.According to PUIL 2011 the unbalance distribution system includes an unbalanced current between phases with provisions up to a tolerance value of 10%. In a 3 phase electrical distribution system, there will often be load imbalances. This is due to the addition or use of electrical loads that do not pay attention to the imbalance in the system.For this reason, in this study, a tool that uses the PZEM-004T sensor, Wemos D1 mini module, and Android Studio was created which can allow for remote monitoring using electronic devices that have installed applications that have been created. when an error occurs, the "reset" button on the monitoring application is used to reset the protection to restore the device. The current difference in the avometer is 1.48A and the sensor is 1.46A and the current flowing to the load is written 1.88A. The contactor works when the relay receives a command from the Arduino nano with a fast time, namely: 1.60 seconds on the first try, 1.72 seconds on the second experiment, and 1.68 seconds on the third experiment.
Analysis of the Effect of Unbalanced Load on Neutral Current, Power Losses and Efficiency in Distribution Transformer Hartono Hartono; Rifdian Indrianto Sudjoko; Slamet Hariyadi; Tekat Sukomardojo; Siti Julaihah
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 Achmad Prayoga Achmad Yusuf Wildan Auliya Adhitiya Yoga Ahmad Ilham Baihaqi Ahmad Kharist Thofani AHMAD MAHENDRA Akbar Maullana Ilham Aldina Nur Adhi Saputra Aminatin Mutho’simah Andre Kusuma Bagja Gumilar Bambang Junipitoyo Bambang Wasito Bhima Andhika Putra Chanif Nasrudin Christian Daniel Cokorda Putra Ari Gustama Darmadji Dhoriyah Vataty Rizka Maulina Fiko Yuma Argita Fiqqih Faizah Giant Rama Arnanta Handoko Subawi Heri Sudarmadji Heri Sudarmadji Irfansyah, Ade Kustori Kustori Kustori Kustori M. Shon Haji Martadinata, M Indra Moch Nur Huda Mohamad Wildan Mohammad Aqif Alfatih Nyaris Pambudiyatno Phiky Hafida Rahma Revin Budi Rifdian I.S Rifdian I.S. rifdian indrianto Rifdian Indrianto Rifdian Indrianto Sudjoko Rifdian Irianto Rifdian IS Setiyo Setiyo Setyo Hariyadi Siti Julaihah Slamet Hariyadi Slamet Hariyadi Suhanto Suhanto Suhanto Sunaryo Sunaryo Sunaryo Tekat Sukomardojo Wasito Utomo Wiwid Suryono Zhorif Zhenjaya Zheptama Putra