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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) International Journal of Applied Power Engineering (IJAPE) TELKOMNIKA (Telecommunication Computing Electronics and Control) Journal of ICT Research and Applications JURNAL NASIONAL TEKNIK ELEKTRO PROtek : Jurnal Ilmiah Teknik Elektro Rang Teknik Journal Indonesian Journal of Electrical Engineering and Computer Science PAKAR Pendidikan Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks Andalasian International Journal of Applied Science, Engineering, and Technology Andalas Journal of Electrical and Electronic Engineering Technology Jurnal Andalas: Rekayasa dan Penerapan Teknologi Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering)
Muhammad Imran Hamid
Universitas Andalas, Indonesia
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Mechanical Engineering Medicine & Pharmacology Social Sciences Other

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High step-up interleaved multilevel hybrid boost converter with switched-capacitor multiplier Andi M. Nur Putra; Adrianti Adrianti; Muhammad Imran Hamid
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 17, No 2: June 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v17.i2.pp1118-1129

Abstract

The global integration of renewable energy sources like photovoltaics requires efficient high-step-up DC-DC converters. Conventional boost converters exhibit inherent limitations in achieving high voltage gain efficiently, particularly under high duty cycle operation, where switching losses, device stress, and output voltage ripple become significant. This paper proposes a novel hybrid DC-DC converter that integrates a four-phase interleaved input stage with a five-level switched-capacitor (SC) multiplier network. The proposed topology introduces a modular and structurally decoupled architecture, in which current conditioning and voltage boosting functions are independently realized. This enables scalable voltage gain through modular expansion without requiring extreme duty cycles or additional magnetic components. The interleaved stage reduces input current ripple and improves current sharing, while the multilevel SC network provides a high voltage conversion ratio and balanced voltage stress across components. Comprehensive simulations using PSIM software validate the converter's performance. With a 25 V input, the proposed converter achieves an output voltage of approximately 250 V (gain of 10), a high efficiency of 95.2%, output voltage ripple below 2%, and balanced capacitor voltages. The results confirm that the proposed converter offers an efficient, scalable, and high-performance solution for high step-up applications.
Sosialisasi dan Penguatan Pemahaman PLTMH di Nagari Lakitan Tangah untuk Masyarakat Berkelanjutan Refki Budiman; Andi Pawawoi; Muhammad Imran Hamid; Melda Latif; Arif Shidiq Siregar; Aulia Rohim Safnil; Reco Perian
Jurnal Andalas: Rekayasa dan Penerapan Teknologi Vol. 6 No. 1 (2026): Juni 2026
Publisher : Electrical Engineering Department Faculty of Engineering Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jarpet.v6i1.130

Abstract

Program pengabdian masyarakat ini bertujuan untuk meningkatkan pemahaman dan kesiapan masyarakat Nagari Lakitan Tangah dalam memanfaatkan potensi energi terbarukan melalui pembangunan Pembangkit Listrik Tenaga Mikrohidro (PLTMH). Kegiatan diawali dengan survei teknis untuk mengukur debit dan tinggi jatuh air di Air Terjun Palano, yang menghasilkan potensi daya sebesar 105 kW dan produksi energi tahunan sekitar 1,04 GWh. Berdasarkan analisis teknis dan finansial, proyek dinilai sangat layak dengan nilai Internal Rate of Return (IRR) sebesar 21,5%, Net Present Value (NPV) positif, serta periode pengembalian modal (Payback Period) hanya 6,2 tahun. Pemilihan turbin Crossflow direkomendasikan karena efisien pada variasi debit air dan mudah dipelihara. Selain manfaat teknis, kegiatan ini berdampak sosial-edukatif signifikan dengan meningkatkan kesadaran masyarakat terhadap energi terbarukan, memperkuat kemandirian energi desa, serta membuka peluang ekonomi lokal. Program ini diharapkan menjadi dasar pengembangan energi mandiri berkelanjutan di Nagari Lakitan Tangah dan wilayah sekitarnya.
Enhancing the performance of 3-phase induction motors by developing a 40-degree asymmetrical coil design for the stator coil Zuriman Anthony; Refdinal Nazir; Muhammad Imran Hamid
Indonesian Journal of Electrical Engineering and Computer Science Vol 42, No 3: June 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v42.i3.pp678-687

Abstract

The use of three-phase induction motors in industry is very widespread due to their durability, simplicity, cost, and ease of use. These motors are continuously developed to improve performance. However, the increase in motor performance is directly proportional to the increase in the motor’s cost. Therefore, innovative solutions are needed to make three-phase induction motors more efficient without raising the motor’s price. The study’s goal is to create a motor coil design that won’t cost a lot more but will make 3-phase induction motors more efficient. This study developed a 2-layer coil design with a pair of poles for each layer. The second coil layer is located 40 electrical degrees away from the first layer. In the lab, the motor’s performance was assessed and compared to a conventional motor. This new motor uses identical materials as the conventional model; therefore, it does not incur additional costs. The results showed that this method could increase the rotor speed, output power, efficiency, and load torque of the motor by 0.21%, 16.29%, 15.90%, and 16.05%, respectively.
Monoesters for transformer insulating liquid Abdul Rajab; Melda Latif; Muhammad Imran Hamid; Tesya Uldira Septiyeni
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 20, No 6: December 2022
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v20i6.21870

Abstract

The development of low viscosity insulating liquids derived from natural esters is conducted in our laboratory. Nine monoesters, i.e., methyl myristate, ethyl myristate, isopropyl myristate, methyl palmitate, ethyl palmitate, isopropyl palmitate, methyl stearate, ethyl stearate, and isopropyl stearate were synthesized from alcohols and saturated fatty acids. Treatments were performed to reduce water and acid contents and improve the oxidation stability of the monoesters. Some fundamental properties, such as breakdown voltage, kinematic viscosity, density, water content, acidity, and oxidation stability, were tested before and after treatments. The results are evaluated based on the international electrotehnical commission (IEC) standard specifications for low-viscosity monoesters derived from natural esters, IEC 62770. Except for the water content, all other properties have good compliance with the standard. The treatments reduced the water content significantly, but the values are still slightly higher than that specified by the standard.
An innovative winding configuration to enhance 3-phase induction motor performance Zuriman Anthony; Refdinal Nazir; Muhammad Imran Hamid
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 17, No 1: March 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v17.i1.pp82-94

Abstract

A three-phase induction motor is extensively employed in the industrial sector due to its robustness and cost-effectiveness. An enhancement of this motor is underway to optimize its performance. Enhancing motor performance is intricately linked to escalating motor production expenses. Consequently, an innovative strategy is essential to enhance motor performance without incurring substantial extra expenses. This study aimed to introduce a novel approach for designing 3-phase induction motor coils to enhance motor performance without significant additional expenses. This study concentrated on the design of a 3-phase induction motor coil, rated at 1 HP, 380 V, 2 A, 4 poles, and 24 slots, and arranged in a Y-connection. We fabricated the coil using a dual-layer approach, creating magnetic pole pairs on each layer. The study's results demonstrated an improvement in output power, efficiency, load torque, and rotor speed of the new motor design, specifically by 19.32%, 16.26%, 18.48%, and 0.72%, respectively. Despite a 3.05% rise in motor coil current during peak load conditions, the motor's overall performance significantly improves, enhancing its capabilities without considerable additional expenses. This study claims that the suggested way can make other 3-phase induction motors work better without costing a lot more.
Banana leaf wax performance as a coating material to reduce fouling and heat for photovoltaic improvement Andi Pawawoi; Refdinal Nazir; Muhammad Imran Hamid; Fajril Akbar
International Journal of Applied Power Engineering (IJAPE) Vol 15, No 3: September 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijape.v15.i3.pp1212-1222

Abstract

The growing dependence on limited fossil fuels and their environmental impact drive the adoption of renewable energy, with photovoltaics (PV) being a leading option. However, PV performance often declines due to elevated operating temperatures and surface fouling, especially in tropical climates, leading to reduced efficiency. To address this, coating materials with dual functionalities of cooling and self-cleaning are needed. This study investigates banana leaf wax as a natural coating to enhance PV performance. The wax was extracted using n-hexane, applied via spray-coating, and characterized through light transmittance tests, scanning electron microscope (SEM) imaging, water contact angle (WCA), adhesion analysis, and field trials on PV modules. The wax demonstrated an average WCA of 127°, with a microcrystalline structure supporting hydrophobic and self-cleaning properties. Field implementation showed that a 9 μm wax layer reduced PV module temperature by approximately 5 °C and increased output power by 15-20% under high irradiance (G ≈1200 W/m²). The cooling effect proved more significant than transmission losses, confirming the potential of banana leaf wax as an effective tropical PV coating. Nevertheless, further studies are required to optimize thickness, strengthen adhesion through hybrid formulations, and integrate the material into advanced optoelectronic coatings for sustainable efficiency improvements.
Co-Authors Abdul Rajab Abdul Rajab Ade Chandra Adrianti, Adrianti Afifah Afriyanti, Ayu Elsa Ahmad Ahmad Alfin Prima Adjie Andi M. Nur Putra Andi Pawawoi Anna Cyntia Pahsa De Yudanur Ariadi Hazmi Arif Shidiq Siregar Aulia Rohim Safnil Ayu Elsa Afriyanti Bingesti Vegi Mayolan Cyntia, Anna Edwardo Edwardo Eka Fitrianto Eka Fitrianto Eka Putra Waldi Erwin Sutanto Fahmi Fahmi Fajri Anugerah P. Kornel Fajril Akbar Fitri Rahmatesa Fitriyan, Rahmawati Hamed, Maulana Naseem Hanalde Andre Harahap, Partaonan Haznam Putra Ikhlas, Maulana Naseem Izzati, Muhammad Afdhal Matalata, Hendi Melda Latif Melda Latif Muhammad Aziz Naufal Rafi Hibatullah Niko Saputra Pinto Anugrah Pratama, Rizki Wahyu Prima Fithri Primas Emeraldi Putra, Andi M. Nur Reco Perian Refdinal Nazir Refki Budiman Reni Desmiarti Riko Nofendra Rudy Fernandez Rusydi, Muhammad Ilhamdi Sulfandri Syafii . Tesya Uldira Septiyeni Vebby Ola Handessa Wervyan Shalannanda Willy Azhar Yazid, Muhammad Zuriman Anthony Zuriman Anthony