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All Journal Foristek Jurnal EECCIS MEKTRIK JURNAL ILMIAH MATEMATIKA DAN TERAPAN ILKOM Jurnal Ilmiah
Maryantho Masarrang
Program Magister Teknik Elektro Fakultas Teknik, Universitas Brawijaya
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Mathematics

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ANALISIS STARTING MOTOR INDUKSI PADA BALL MILL PLANT DENGAN LIQUID RESISTANCE STARTER DI PT CITRA PALU MINERALS Alfito, Muhammad Bintang; Adam, Ahmad Antares; Martdiansyah, Martdiansyah; Mukhlis, Baso; Pirade, Yulius Salu; Masarrang, Maryantho
Foristek Vol. 15 No. 2 (2025): Foristek
Publisher : Foristek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54757/fs.v15i2.839

Abstract

The 3700 kW induction motor at the Ball Mill Plant at PT Citra Palu Minerals requires an effective starting method to prevent current surges and voltage drops during initial operation. This study aims to analyze the starting performance of induction motors using three starting methods, namely Liquid Resistance Starter (LRS), Direct On Line (DOL), and Wye-Delta. The analysis is carried out by mathematical calculations through the induction motor equivalent circuit to obtain the starting current, starting torque, starting power and starting voltage values of each starting method. The calculation results show that the LRS method produces a starting current of 421.47 A, a starting torque of 42,259.84 Nm, a starting power of 4,423.19 kW and a starting voltage of 6,374.40 V. Compared to DOL and Wye Delta, the LRS method provides better performance in terms of limiting current and maintaining voltage stability, and is able to produce higher torque and power. The calculation of the LRS method also shows conformity with the actual data in the field, so that the model used can be used as a technical reference. Based on the analysis results, the LRS method is considered the most suitable for starting high power induction motors in heavy-load applications such as Ball Mill Plant.
Design-build of photovoltaic panel data logger pressure Masarrang, Maryantho; Dewi, Sari; Mustari, Aidynal; Arifin, Yusnaini; Fauzi, Rizana
ILKOM Jurnal Ilmiah Vol 13, No 2 (2021)
Publisher : Prodi Teknik Informatika FIK Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/ilkom.v13i2.692.86-91

Abstract

The scarcity of fossil fuel sources and the growing energy demand has resulted in more intensively searching for alternative energy. One alternative energy source that is suitable for the equatorial region is solar energy. One of the technologies for utilizing solar energy that has begun to be widely used in Indonesia is the photovoltaic (PV) system. The output of PV is highly dependent on environmental conditions, especially the intensity of the sun and temperature. In addition to these two factors, shading (shadows) and soiling (dust) also affects the PV output. So, this must be observed at all times by monitoring the voltage and current as the PV output. This study aims to design a PV panel instrumentation structure based on a data logger. PV output data in the form of voltage and current and environmental conditions such as ambient temperature and solar intensity were recorded in real-time. The measurement results from the data logger will be compared with manual measurements. PV output data, output voltage and current, as well as sunlight intensity were compared with measurements using an avometer. Temperature data will be compared with thermocouple measurements. PV in this study will be connected to a 1kOhm load resistor. The results of the data logger and manual measurements indicated an insignificant difference. The manual measurement was conducted every hour, from 09.00 16.00. The maximum differences for voltage, PV output current, pyranometer voltage, and ambient temperature are 0.89 V, 0.0007 A, 0.00014 V, and 0.25oC, respectively.
Co-Authors Agus Naba Agustinus Kali Ahmad Antares Adam Al-Habsyi, Faisal Alfito, Muhammad Bintang Ardi Amir Baso Mukhlis Bunga, Melki Erni Yudaningtyas I W. Sutapa Mahmudi, Irwan Martdiansyah, Martdiansyah Mustari, Aidynal Nurhani Amin Ramadani, Angger Rizana Fauzi, Rizana S. Pirade, Yulius Sari Dewi SATRIYAS ILYAS Yuli Asmi Rahman Yulius Salu Pirade Yusnaini Arifin