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All Journal ELKHA : Jurnal Teknik Elektro MUSTEK ANIM HA Kritis IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA)
Paulus Mangera, Paulus
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Automotive Engineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Analysis and Design of Irrigation Pumps Using Hybrid Solar-Grid Energy with Arduino Uno Control Mangera, Paulus; Cipto, Cipto
ELKHA : Jurnal Teknik Elektro Vol. 17 No.2 October 2025
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/elkha.v17i2.93635

Abstract

The need for a reliable water supply system and encourages the development of renewable energy technology based on solar power. This study designs and builds a hybrid solar-grid energy system to operate a 12V submersible pump based on an Arduino Uno microcontroller that combines a 200 Wp solar panel energy source and a grid electricity source, with a PWM charge controller and energy storage using a 12V 70Ah lead-acid battery. The 125W submersible pump is the main load for water distribution. Photovoltaic Power Output (PVOUT) map data, Merauke Region has an average annual solar energy potential of 1600"“1800 kWh/kWp, indicating high feasibility for implementing a solar power system. Arduino Uno is used to control the automatic switching system between solar energy and the grid based on the battery voltage level. The test results show that the system is able to operate the pump effectively in sunny conditions without full dependence on the grid, and can switch automatically when the energy from the solar panel is insufficient. The amount of energy coming from the 200 WP solar cell (Pin) is 952.03 W, the amount of energy released by the 200 WP solar cell (Pout) is 145.20 W, with a solar panel efficiency of 15.2%, the average radiation intensity during testing is 732.33 W/m ² with a maximum temperature of 31 °C.
Penerapan Teknologi Oven Pengering Cat Tipe Tertutup Dengan Isolator Aluminium Foil Pada UMKM Bengkel Otomotif Parenden, Daniel; Mangera, Paulus; Cipto, Cipto
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 5 No 1 (2026): April
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v5i1.384

Abstract

Paint drying in small automotive repair workshops is commonly performed at ambient conditions, resulting in long waiting times and inconsistent film formation, especially for waterborne coatings. This limits daily throughput and repeatability. This study designs and evaluates a simple low-temperature (30-40°C) closed drying oven for paint specimens with a 0.60 m3 chamber (1.2 x 1.0 x 0.5 m), a 200 W electric heater, and on-off thermostat control. An internal aluminum-foil radiant barrier is applied to reduce wall heat losses. Thermal performance is assessed using analytical heat-loss estimation and warm-up tests to a 40°C setpoint. The predicted wall heat loss decreases from 648 W (without foil) to about 97 W (with foil), yielding an effective heating power of roughly 103 W. Experiments show the oven reaches 40°C within 4-6 min and maintains the setpoint with stable cycling. Thermal efficiency improves from 31% to 85%, indicating a low-cost, energy-saving solution for practical specimen drying in SMEs.
Co-Authors Andika, Adik Putra Cipto Cipto, Cipto Daniel Parenden, Daniel Daud Andang Pasalli, Daud Andang Fransiskus Xaverius Manggau, Fransiskus Xaverius Jayadi Jayadi Muhamad Rusdi Stanly H. D. Loppies, Stanly H. D. Widiastuti, Maria M. D.