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All Journal Ocean Engineering: Jurnal Ilmu Teknik dan Teknologi Maritim Jurnal Geosaintek
Hadi Setiawan
Program Studi Teknik Elektro Pelayaran, Politeknik Pelayaran Surabaya
Earth & Planetary Sciences Engineering Mechanical Engineering

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Rancang Bangun Monitoring Kontrol Kecepatan Putar Motor Induksi 3 Fasa Berbasis IoT Wisnu Bachtiar Fanani; Antonius Edy Kristiyono; Hadi Setiawan
Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim Vol. 4 No. 1 (2025): Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim
Publisher : Fakultas Teknik Universitas Maritim AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58192/ocean.v4i1.3175

Abstract

Along with the development of the industrial sector, companies are competing to create quality and affordable products. To support production, automation tools have emerged that help the production process so that it is faster. One of the machines that is widely used by large factories is a 3-phase induction motor. 3-phase induction motors are often used in driving equipment in industry because they have a simple construction, are relatively cheap, lightweight, have high efficiency, and are easy to maintain. This study utilizes the A3114 hall effect sensor device, PZEM-PP4T Sensor, 20x4 LCD, ESP32 module, Relay, Mitsubishi D700, MCP 4725 Sensor. The tests carried out showed that the performance of the sensor for measuring speed, voltage, and current on 3-phase motors has a high level of accuracy. Testing of motor speed shows a difference in speed value (Rpm) between the hall effect sensor and the tachometer, with an average accuracy percentage of 4,12%, indicating that the hall effect sensor has a fairly good level of accuracy. For voltage measurement, the Pzem sensor compared to the Multitester produces an average accuracy percentage of 0,90%, indicating that the pzem sensor is very reliable. Meanwhile, current testing shows a difference in value between the pzem sensor and the multitester with an average accuracy percentage of 0,98%, indicating a fairly high level of accuracy. Overall, this system can be relied on for measuring operational parameters of 3-phase motors because it has consistent and good accuracy. With this research, the 3-phase induction motor monitoring system which was originally done manually has changed to automatic and has a fairly high level of work efficiency.
PERMANENT CO₂ STORAGE THROUGH BASALT MINERALISATION IN INDONESIA: A STUDY OF ANGUS ROCK AND MARITIME CCS INTEGRATION Fieranda Firdaus Azhar Azhar; Edi Kurniawan; Prihastono Prihastono; Hadi Setiawan; I Made Deva Suryawan
Jurnal Geosaintek Vol. 12 No. 1 (2026): Special Issue: Energynovation Ideas Competition in Collaboration with Pertamin
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25023659.v12i1.9311

Abstract

Batu Angus in Ternate, composed of Ca- and Mg-rich andesitic basalt, presents a unique opportunity for mineralization-based Carbon Capture and Storage (CCS). Its highly reactive volcanic rock, direct port access, and proximity to the 30 MW Kastela gas plant create ideal conditions for large-scale CO₂ sequestration. This study proposes injecting CO₂-saturated brine into deep basaltic-andesitic reservoirs, where CO₂ reacts with minerals to form stable carbonates. Laboratory simulations at 100°C show rapid Ca²⁺ release and >95% carbonate formation within two years. Reactive transport modeling estimates a conservative storage capacity of 200,000 tCO₂/year and an optimistic scenario exceeding 1 Mt/year, which could offset 80% of regional emissions. Strategically located along Indonesia’s eastern maritime route, Batu Angus can leverage port infrastructure for ship-based CO₂ imports. The project aligns with Indonesia’s CCS regulation (PR14/2024) and Pertamina’s ~600 Gt storage potential, positioning Indonesia as a global leader in carbon removal.
Co-Authors Antonius Edy Kristiyono Edi Kurniawan Fieranda Firdaus Azhar Azhar I Made Deva Suryawan Prihastono Prihastono Wisnu Bachtiar Fanani