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All Journal Jurnal Hukum Respublica Sang Pencerah: Jurnal Ilmiah Universitas Muhammadiyah Buton GANDRUNG: Jurnal Pengabdian Kepada Masyarakat Jurnal Math-UMB.EDU EMTEKA: Jurnal Pendidikan Matematika Nursing Care and Health Technology Journal (NCHAT) JIMEBIS International Journal Education and Computer Studies JIMAKUKERTA Tahqiqa: Jurnal Pemikiran Hukum Islam JEC (Jurnal Edukasi Cendekia) Journal International Journal of Teaching and Learning (INJOTEL) Jurnal Pengabdian Masyarakat dan Riset Pendidikan Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Jurnal Pengabdian Kepada Masyarakat Meambo kawanad jes Beujroh : Jurnal Pemberdayaan dan Pengabdian pada Masyarakat Future Academia : The Journal of Multidisciplinary Research on Scientific and Advanced EDUTREND: Journal of Emerging Issues and Trends in Education Deiksis: Jurnal Pendidikan Bahasa dan Sastra Indonesia Differential: Journal on Mathematics Education
Masri
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Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Penelitian Efek Penggunaan Grid Tie Inverter pada Sistem Hibrid dengan Solar Panel dan Diesel Suhaeri; Masri; Azhar; Saifuddin
Journal of Engineering and Science Vol. 2 No. 1 (2023): January-June 2023
Publisher : Yayasan Kawanad

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56347/jes.v2i1.166

Abstract

The distribution system of electrical power begins from generation and is transmitted to the load, namely consumers. In this distribution, it must be effective, efficient, and reliable. The amount of electrical power reaching the load is not the same as the amount of power generated due to voltage drop or power losses. This research aims to determine the magnitude of power losses in the medium-voltage distribution network located in Pasar Aceh. The research method employed is the analysis and simulation calculation method using ETAP 12.6 software. The study analyzes power losses due to load imbalance in the JTR distribution substation of Pasar Aceh. Based on the analysis results, the load imbalance in the Pasar Aceh substation has led to power losses. The power losses in the Pasar Aceh substation, specifically at the Side Transformer of Pasar Aceh, are 0.77% with a load imbalance of 16.33%. For the second transformer in the BNI 46 area, the power losses are 0.98% with a load imbalance of 30.33%, and for the transformer in the BLKG KOTTY area, the power losses are 1.17% with a load imbalance of 50.33%. Therefore, the larger the percentage of load imbalance in an electrical distribution network, the greater the resulting power losses.
Analisis Ketidakstabilan Beban Arus Netral dan Rugi-Rugi Daya Pada Trafo Distribusi Penyulang Pas 21 PT. PLN UPB Banda Aceh Suriadi; Sara, Ira Devi; Syuhada, Ahmad; Masri; Asri; Umurani, Khairul
Journal of Engineering and Science Vol. 2 No. 2 (2023): July-December 2023
Publisher : Yayasan Kawanad

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56347/jes.v2i2.167

Abstract

This research focuses on analyzing power losses due to load imbalance in the medium-voltage distribution network in Pasar Aceh. The aim is to determine the magnitude of power losses that occur at the distribution substation in Pasar Aceh. The research method involves analysis, calculations, and simulations using the ETAP 12.6 software. The results of the analysis indicate that load imbalance in the Pasar Aceh substation leads to power losses. The Trafo Samping Pasar Aceh experiences power losses of 0.77% with a load imbalance of 16.33%. The second transformer in the BNI 46 area incurs power losses of 0.98% with a load imbalance of 30.33%, and the transformer in the BLKG KOTTY area has power losses of 1.17% with a load imbalance of 50.33%. These findings affirm that the greater the load imbalance, the higher the resulting power losses in the electrical distribution network.
Eksperimen Pengaruh Kecepatan Pada Diameter Nozzle 2,5 mm dalam Proses Laser Cutting Masri; Suhaeri; Machmud, M. Nizar; Zainuddin; Saifuddin; Azhar
Journal of Engineering and Science Vol. 2 No. 2 (2023): July-December 2023
Publisher : Yayasan Kawanad

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56347/jes.v2i2.168

Abstract

This experimental study examines the impact of speed variations on the 2.5 mm nozzle diameter in low-carbon steel laser cutting. The primary objective is to optimize the roundness of the cut by considering cutting speed factors. Through a series of experiments conducted on low-carbon steel plates measuring 200 mm x 200 mm, utilizing a 2.5 mm nozzle diameter with speed variations of 2, 3, and 4 m/minute, the research measures roundness quality using a digital caliper. Results indicate that cutting speed influences roundness quality, with the lowest deviation observed at a speed of 2 m/minute and the highest at 3 m/minute. The study also highlights that increased cutting speed and the use of a larger nozzle require higher gas pressure.
Effect of Maleic Anhydride Polypropylene on Flexural Properties of Hybrid Kenaf - Sugar Palm Fibre Reinforced Polypropylene Composites Bachtiar, Dandi; Siregar, Januar Parlaungan; Iqbal, Mohd; Masri; Zulfadhli; Muhibbuddin
Journal of Engineering and Science Vol. 2 No. 2 (2023): July-December 2023
Publisher : Yayasan Kawanad

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56347/jes.v2i2.169

Abstract

This study was focused on the characterize the hibridisation of kenaf and sugar palm fibre in reinforcing the polypropylene matrix. Addition of MAPP (Maleic Anhydride Polypropylene) was used as compatibilizing agent with variation of 2%, 3% and 5%. The specimen materials were prepared with 30% amounts of fibres while the ratios between kenaf and sugar palm fibre are 10:20, 15:15 and 20:10. The composites were fabricated using melt mixer technique and followed by compression molding process. The specimens were cut according ASTM Standard D790 for conducting the flexural testing. After testing done, the results shown that flexural strength of composites tend to decreased when the content of MAPP increased. The ultimate flexural strength was attained at 2% MAPP addition of the hybrid composites with 20% kenaf fibres. Among the composites with different ratios, the hybrid composites that contain more kenaf fibres exhibit the higher value in flexural strength than the composites that contain more sugar palm fibres.
Fatigue Performance of Sugar Palm Fibre-Reinforced Thermoplastic Polyurethane Composites with Varying Fibre Content Bachtiar, Dandi; Siregar, Januar Parlaungan; Suhaeri; Masri; Zulfadhli
Journal of Engineering and Science Vol. 4 No. 1 (2025): June
Publisher : Yayasan Kawanad

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56347/jes.v4i1.267

Abstract

This study investigates the fatigue behavior of sugar palm fibre (SPF)-reinforced thermoplastic polyurethane (TPU) composites with varying fibre contents (10 wt%, 20 wt%, and 30 wt%). The composites were fabricated using extrusion followed by hot press moulding. Tensile tests were conducted in accordance with ASTM D638 to determine the ultimate tensile strength (UTS), and fatigue tests were performed under stress levels of 80%, 70%, 60%, and 50% of the UTS, following ASTM D7791. The results indicate that an increase in fibre content leads to a reduction in both tensile strength and fatigue life, likely due to poor interfacial bonding and fibre agglomeration. Fatigue life was found to be significantly higher at lower stress levels across all fibre contents. These findings provide valuable information about the potential and limitations of SPF/TPU composites for applications involving cyclic loading, particularly in lightweight and sustainable material applications
Co-Authors Abqariah Ade Bagus Primadoni Adi Asmara Agus Wiyanto Agusalim Ahmad Syuhada Akbar, Azaz Akhyar Al-Bahri, Fauzan Putraga Ali Okto Ali, A. Muh. ALI, NURDIN Amane, Harianto ARHAMI Arisona Asdar, A.Fathul Asmara, Adi Asri Atikah, Nurul Azhar Bachtiar, Dandi Bahdad Devi Sara, Ira Dian Kusumawati Eka Putri, Rafina Eldin Farras, Haniyah Raihani Hadi Fahmi Bahari, Nur Hasria Hubbul Walidainy Ilyas, Eliana Iqbal, Mohd Ira Devi Sara Ivana, Farah Izzah Afriyanti Kamarudin Kamarudin Karimuddin, Karimuddin Komaria, Nur Aulia kosilah, Kosilah La Djamudi, Nadir Lisa Rahmi Lubis, Rakhmad Syafutra M. Nizar Machmud Machmud, Mohd. Nizar Mahdi Syukri Manan Mardiah Syofiana Maryam Nurlaila, Maryam Masri, M. Faris Aufa Mediyanti, Sisca Miniharianti Muhibbuddin Mukhlis Muliddin Muslim Nadia Sari Nazriani Novi Lidya Isdarianti Noviana, Dwi Nurhadi Santoso Nurul Atikah Nurul Malahayati Nurwijayanti Praja, Nia Kurnia Putra, T. Edisah Rahmat Jumri Ramdhan Halid Siregar Razali Ridha, Ainul Risnanosanti Ristontowi, Ristontowi Rizki Sabri Saifuddin Saifuddin Muhammad Jalil Saiful Selvi Riwayati Siregar, Januar Parlaungan Suardi Suarti Suhaeri Suherman, La Ode Achmad Sukma Lestari Sumantri, Sri Suriadi Syamsuddin Syamsurijal Umurani, Khairul Winda Ramadianti WULANDARI Zainuddin Zulfadhli Zulfan Zulfikar