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All Journal Foristek Mechatronics, Electrical Power, and Vehicular Technology JUITA : Jurnal Informatika SMARTICS Journal Syntax Literate: Jurnal Ilmiah Indonesia Abdimas Umtas : Jurnal Pengabdian kepada Masyarakat IJEEIT : International Journal of Electrical Engineering and Information Technology JE-Unisla Journal Geuthee of Engineering and Energy
Irwan Mahmudi
Electrical Engineering Study Program, Faculty Of Engineering, Tadulako University, Palu, Indonesia
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences Other

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RANCANG BANGUN DC TO DC CONVERTER UNTUK SISTEM MONITORING SALINITAS AIR LAUT DENGAN PHOTOVOLTAIC SEBAGAI SUMBER ENERGI Samad, Mohammad Syafar; Adam, Ahmad Antares; Arifin, Yusnaini; Mahmudi, Irwan; Sholihah, Ratih Mar'atus
Foristek Vol. 14 No. 2 (2024): Foristek
Publisher : Foristek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54757/fs.v14i2.581

Abstract

Renewable energy is an energy source that can be utilized continuously and is available by nature. One example of using renewable energy is photovoltaic. Photovoltaic is a tool used to absorb solar energy and convert it into electrical energy using the photovoltaic effect method. This research aims to monitor the salinity (salt content) of sea water by utilizing solar energy using the Buck Converter type DC to DC Converter method to regulate and reduce the higher voltage to a lower voltage to be loaded on the microcontroller as the reading output. This research was designed using a 20 WP photovoltaic with a maximum voltage of 20 volts which functions as a power supplier or energy source whose voltage is then reduced by a buck converter circuit to a smaller voltage of 5 volts to be charged to the Arduino Uno in processing salinity measurement data using a TDS sensor. as a measuring tool. The test results of the equipment show that the DC to DC Converter circuit is successful in reducing the photovoltaic voltage so that it can operate the microcontroller.
Evaluation study of solar powered public street lighting as battery charging at Islamic Center based on PSIM Wina, Cut; Muhammad, Muhammad; Mahmudi, Irwan
Journal Geuthee of Engineering and Energy Vol 3, No 2 (2024): Journal Geuthee of Engineering and Energy
Publisher : Geuthèë Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52626/joge.v3i2.41

Abstract

Electrical energy is essential for the growth and advancement of technological knowledge that continues to increase. Solar cells are devices that convert solar energy through photovoltaic devices. Solar cell public street lighting (PJUBS) uses unlimited and free solar energy, is a feasible and cheap alternative to providing electric lighting. The Islamic center mosque is one of the places of worship for the majority of Muslims in the city of Lhokseumawe using public street lighting to support public security and safety. Installation of lamps for lighting is installed at several points, namely right, left or in the middle of the road, as needed, including flyovers, underpasses, and bridges. Public street lighting that is efficient and environmentally friendly is in accordance with SNI 7391: 2008. In this study, the lamps used in this evaluation study are solar types with a power of 50 Watts. The calculation results show that the illumination produced at the end of the road when using a 50 Watt solar LED lamp is 0.29 lux so that this does not comply with the provisions of BSN SNI 7391: 2008. This condition is influenced by several factors, namely surface temperature, shadows, inclination angle, light intensity, irradiation, and the condition of the panel surface in order to maximize the conversion value of sunlight into electrical energy
Testing the Electrical Safety Aspects of The Emergency Shut Down Multi Indicator (Esin) Innovation Tool for Refueling De-Refueling Trucks (RDT) at The Mutiara Palu Aircraft Filling Depot Ratih Mar'atus Sholihah; Irwan Mahmudi; Lutfiyana Andi Anshar
ABDIMAS: Jurnal Pengabdian Masyarakat Vol. 7 No. 2 (2024): ABDIMAS UMTAS: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM Universitas Muhammadiyah Tasikmalaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35568/abdimas.v7i2.4622

Abstract

As the commercial and trading subholding of PT Pertamina (Persero), Pertamina Patra Niaga also provides aviation fuel to airlines. The aviation fuel refueling place is called the Aircraft Refueling Depot. One of the aircraft filling depots in Palu is the Mutiara Aircraft Filling Depot, located in the Mutiara Sis Al-Jufri Airport Area. The Mutiara Aircraft Refueling Depot uses a Refueling De-Refueling Truck (RDT) to fill aircraft with fuel while on the ground. This refueler unit can also pump and store fuel from aircraft. One of the problems when refueling aviation fuel by RDT at the Mutiara Aircraft Filling Depot was the activation of the emergency stop when the Certified Refueler Operator (CRO) was carrying out the service. The aviation fuel-filling system stopped without anyone realizing it, causing flight delays. The active emergency stop without a clear indicator initiates the FT Prove Pin Point group to create an Emergency Shut-Down Multi-Indicator (ESIn) tool that can monitor the active status of the emergency fuel or engine stop. Before the ESIn tool is used, one of the steps that must be carried out is a feasibility test on electrical safety aspects. Testing is carried out using three criteria, namely visual testing, component electrical parameters, and performance. Based on visual and performance testing, the tool is in good condition and can operate according to the planned purpose. Likewise, when testing component electrical parameters, the measured parameter values show values according to applicable electrical standards.
VARIASI GEOMETRI DESAIN ELEKTROMAGNETIK GENERATOR PERMANEN MAGNET 12SLOT 8POLE 500 WATT MENGGUNAKAN SOFTWARE BERBASIS FINITE ELEMENT METHOD ( FEM ) Jumiyatun, Jumiyatun; Solihah, Ratih Mar’atus; Hisbullah, Ahsanul; Mansur, Khairunnisa; Mahmudi, Irwan
Foristek Vol. 15 No. 1 (2025): Foristek
Publisher : Foristek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54757/fs.v15i1.755

Abstract

One of the main components of wind power plants that can be developed is the Permanent Magnet Synchronous Generator (PMSG). In this research, PMSG design will be carried out using Finite element method software with Geometry Variations of Permanent Magnet Synchronous Generator with a combination of 12 8-pole slots which will then be modeled on Finite element method software. In one variation of this generator geometry has been successfully created with good efficiency. This model will argue for the specifications of variations 1, 2 and 3 and are analyzed by comparison test scenarios and loading with load R. The generator with a no-load test simulation produces between variations in variation 1 of 10.93 volts, variation 2 of 12.67 volts, variation 3 of 13.77 volts. When testing load with load resulted in an efficiency of variation 1 of 20.5%, variation 2 of 19.6%, and variation 3 of 33.4%.
Optimalisasi Penerangan Jalan Umum (PJU) di Dermaga Pelabuhan Wani 2 dengan Simulasi Dialux Evo Nawawi, Alfi; Kali, Agustinus; Mahmudi, Irwan; Sholihah, Ratih Mar'atus
SMARTICS Journal Vol 11 No 1 (2025): SMARTICS Journal (April 2025)
Publisher : Universitas PGRI Kanjuruhan Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21067/smartics.v11i1.11856

Abstract

The Wani 2 Port Pier, located in Tanantovea District, Donggala Regency, is a vital infrastructure equipped with a Gantry Crane that requires optimal street lighting to support loading and unloading activities as well as maritime and land transportation. This study aims to analyze the lighting intensity and its compliance with the standards set by SNI 7391:2008, the Ministry of Public Works and Public Housing, the Ministry of Maritime Transportation, and the Ministry of Health Regulation No. 70 of 2016, which recommends a minimum illumination level of 20 lux. An evaluation of the existing street lighting system indicates that the average lighting intensity remains below the established standard, ranging from 8 to 16 lux. This discrepancy is attributed to the varying distances between light poles, which range from 15–20.5 meters and the use of 100-watt LED lamps with an output of 12,500 lumens and a color temperature of 4000 Kelvin, which are not optimal. To address this issue, this study optimizes the street lighting system through simulations conducted using DIALux Evo software. The proposed improvements include modifying the lamp specifications and increasing the number of lamps. This upgrade results in a total luminous output of 30,000 lumens. Additionally, adding one streetlight with a 14-meters spacing between poles enhances overall illumination. The simulation results indicate that modifying the lamp specifications and adding streetlight points significantly improve light distribution. The achieved illumination levels comply with SNI 7391:2008 and the Ministry of Health Regulation No. 70 of 2016.
MODIFIKASI SEPIC CONVERTER UNTUK PENGONTROLAN TEGANGAN KELUARAN BERBASIS LOGIKA FUZZY Al-Habsyi, Faisal; Fauzi, Rizana; Mahmudi, Irwan; Rahman, Yuli Asmi; Masarrang, Maryantho
Foristek Vol. 12 No. 2 (2022): Foristek
Publisher : Foristek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54757/fs.v13i2.147

Abstract

Sun is one of the new renewable energy sources that can be used as a source of electrical energy that is available on the earth. But the sun in nature has a light intensity that varies greatly with each time and place. This issue can be overcome by using the Modification Sepic Converter tool with a fuzzy method to produce a stable electrical voltage so that it becomes usable electrical energy. This tool uses a series of converters connected to photovoltaics. The tool also uses a voltage sensor as feedback for the Fuzzy method to maintain a voltage of 21-23VDC to 48VDC.
SISTEM PINTAR KONTROL AIR CONDITIONER (AC) BERBASIS FUZZY LOGIC DAN PENGARUHNYA PADA KONSUMSI ENERGI LISTRIK Palallo, Tomas; Amin, Nurhani; Arifin, Yusnaini; Sholihah, Ratih mar'atus; Mahmudi, Irwan
Foristek Vol. 15 No. 2 (2025): Foristek
Publisher : Foristek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54757/fs.v15i2.840

Abstract

The manual use of Air Conditioners (AC) often leads to excessive electricity consumption, as temperature settings are not adjusted to actual environmental conditions. This study aims to design and implement an AC control system based on Mamdani fuzzy logic to automatically regulate room temperature according to thermal comfort standards, as well as to analyze its effect on electricity consumption. The system was developed using four DHT11 sensors connected to an ESP32 microcontroller as the main controller, while energy consumption was monitored using a PZEM-004T sensor and transmitted to the ThingSpeak platform. Experimental results show that the fuzzy logic-based control system was able to adaptively adjust the AC temperature with high accuracy. The application of the system resulted in an energy consumption of 5.01 kWh over three days, compared to 8.87 kWh under manual control. Thus, the system achieved energy savings of 3.86 kWh or 43.82%. These findings demonstrate that applying fuzzy logic to AC control is effective in improving energy efficiency and supporting electricity cost reduction.
Co-Authors Agustinus Kali Ahmad Antares Adam Al-Habsyi, Faisal Andi Fatmawati Anita Ahmad Kasim Arwan Arwan Baso Mukhlis Fahrul Fahrul Hisbullah, Ahsanul Jordan A. Tiro Jumiyatun, Jumiyatun Kadri Kadri Khairunnisa Mansur Kurniawan, Adhika Lukman Lukman Lutfiyana A. Anshar Lutfiyana Andi Anshar Maryantho Masarrang Muhammad Bakri Muhammad Muhammad Nawawi, Alfi Nurahani Amin Nurhani Amin Oktadli Pratama Simbaju Palallo, Tomas Rahmawati Rahmawati Ratih Mar'atus Sholihah Rizana Fauzi, Rizana Samad, Mohammad Syafar Sitti Nuradha Wati S Solihah, Ratih Mar’atus Sri Wiwoho Mudjanarko, Sri Wiwoho Sundun Sada Maripi Wina, Cut Yuli Asmi Rahman Yusnaini Arifin Zulnabil Zulnabil