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All Journal International Journal of Electrical and Computer Engineering International Journal of Power Electronics and Drive Systems (IJPEDS) Jurnal Pendidikan Vokasi JPTK: Jurnal Pendidikan Teknologi dan Kejuruan International Journal of Renewable Energy Development Mechatronics, Electrical Power, and Vehicular Technology TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Sinergi JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI ELINVO (Electronics, Informatics, and Vocational Education) PROtek : Jurnal Ilmiah Teknik Elektro Jurnal Penelitian Pendidikan IPA (JPPIPA) Fikiran Masyarakat Indonesian Journal of Chemistry Journal of Applied Agricultural Science and Technology Journal of Local Government Issues Agroteknika Indonesian Journal of Electrical Engineering and Computer Science JURNAL PENDIDIKAN, SAINS DAN TEKNOLOGI Jurnal Surya Teknika International Journal of Applied Technology Research Journal of Applied Agricultural Science and Technology J-ENSITEC (Journal of Engineering and Sustainable Technology) AMPLITUDO: Journal of Science & Technology Innovation International Journal of Renewable Energy Development PREDATECS: Public Research Journal of Engineering, Data Technology and Computer Science

Ahmad Fudholi

National Research And Innovation Agency (BRIN)

Author-ID : 268045

Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

Published : 72 Documents Claim Missing Document

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Eco-design of portable solar-powered telescopic lamp for off-grid areas in Indonesia Kadek Heri Sanjaya; Ahmad Rajani; Hendri Maja Saputra; Dalmasius Ganjar Subagio; Ridwan Arief Subekti; Ahmad Fudholi
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 12, No 4: December 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v12.i4.pp2511-2522

This study describes the development of eco-design of portable solar-powered telescopic lamp for off-grid area in Indonesia. Several design requirements for the lamp, namely, sustainability, portability, affordability, and reliability, are the objectives of the design process in this study. Sustainability is achieved through renewable energy and the application of eco-design principles. Portability means it is lightweight, compact and can be carried anywhere inside a tube. This solar-powered telescopic lamp was designed with a 3.7 V, 15.6 Ah battery power specification such that the battery power is around 57.72 Wh. The optimal use of the battery is 80% of the total battery power that is 46.176 Wh. With a power of 46,176 Wh, the battery can turn on the LED strip light with a 4.8 W power specification for 9.62 h. The test results showed that the telescopic lamp endurance met the expected specifications. The real consumed power by the LED strips was around 1.9 W. The charging test using solar panels with 12 Wp specifications showed that it will be fully charged in around 3.8 h. However, the performance of the telescopic lamp, especially in the charging process, is affected by the environment condition, such as sunlight intensity, ambient temperature, and humidity.

R&D of Photovoltaic Thermal (PVT) Systems: an Overview Ahmad Fudholi; Kamaruzzaman Sopian
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 9, No 2: June 2018
Publisher : Institute of Advanced Engineering and Science

Photovoltaic thermal (PVT), which is the popular technology for harvesting solar energy, receive solar energy and convert it into electrical and thermal energy simultaneously. In this review, design, heat transfer, energy modelling and performance analysis of PVT systems are presented. Four types of PVT systems base on heat transfer medium; air-based PVT system, water-based PVT system, the combination of water/air-based PVT system, and nanofluid-based PVT system are presented. In addition, major finding on energy and exergy analysis of PVT systems are summarized.

Energy and exergy efficiency of water-based photovoltaic thermal (PVT) systems: an overview Nurul Shahirah Binti Rukman; Ahmad Fudholi; Ivan Taslim; Merita Ayu Indrianti; Intan Noviantari Manyoe; Uce Lestari; Kamaruzzaman Sopian
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 10, No 2: June 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v10.i2.pp987-994

Conventional fuels are not free, scarce and expensive, and its future cost and availability are uncertain. Hence, the usage of solar energy in applications will probably increase and further become economically feasible in the near future. Solar energy is free, clean, and renewable and has been widely used in electricity generation and thermal energy via photovoltaic thermal (PVT) system. PVT is a hybrid system consists of a PV panel and a solar collector in a single unit to simultaneously produce electricity and thermal energy. In this review, energy and exergy efficiency for water-based PVT systems is presented. As conclusion, the study on exergy is still limited and is recommended to be furthered in order to obtained useful energy generation by the system.

Overview of Photovoltaic Thermal (PVT) Water Collector Ahmad Fudholi; Nur Farhana Mohd Razali; Abrar Ridwan; Rado Yendra; Hartono Hartono; Ari Pani Desvina; Majid Khan Bin Majahar Ali; Kamaruzzaman Sopian
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 9, No 4: December 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v9.i4.pp1891-1898

The popular solar technology is the integration of solar thermal technology and photovoltaic (PV), called photovoltaic thermal (PVT) technology. This technology converts solar energy to electrical and thermal energy. The efficiency of solar energy conversion via PVT is higher than photovoltaic and solar systems. PV cell efficiency decreases if system operating temperature is higher. Therefore, solar systems attached to PV cells act to cool PV cells and increase the overall efficiency of the PVT system. PVT construction that saves space, is suitable for domestic consumption, and long-term saving costs makes PVT current research by researchers in the latest energy technology. This review presents descriptions and previous works conducted on performances analysis of PVT water collector. Results on the performances of PVT water collectors are summarized. The energy and exergy efficiency of PVT water collector ranges from 28.5% to 85% and 6.8% to 14%, respectively.

Improvement Potential and Exergy Analyses of Photovoltaic Thermal with and without ∇-absorber Collector Saprizal Hadisaputra; Muhammad Zohri; Hardani Hardani; Ahmad Fudholi
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 9, No 4: December 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v9.i4.pp1792-1798

The combination of a solar thermal and photovoltaic system is called photovoltaic thermal system (PVT). The PVT system with and without -absorber has been intended to harvest both hot air and electricity. The hot air that is produced is used in the cooling process of the photovoltaic panel and then to improve the efficiency of the photovoltaic panel. The experimental investigation was conducted at the mass flow rate from 0.0069 kg/s to 0.0491 kg/s and solar radiation of 522 W/m2 and 820 W/m2 in the National University of Malaysia. The using -absorber collector increases exergy and exergy efficiency of PVT system. The improvement potential comparatively upsurges with cumulative the mass flow rate.

Review on Energy and Exergy Analysis of Air and Water Based Photovoltaic Thermal (PVT) Collector Muslizainun Mustapha; Ahmad Fudholi; Chan Hoy Yen; Mohd Hafidz Ruslan; Kamaruzzaman Sopian
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 9, No 3: September 2018
Publisher : Institute of Advanced Engineering and Science

In photovoltaic thermal hybrid (PV/T) collectors, the electricity and thermal energy are produce simultaneously. PV/T technology has been proven in previous studies where it could give benefits for high energy demand supplementary. For example, in space heating, domestic water heating and also drying. The PVT collectors can be classified into air-based PVT, water-based PVT and dual-fluid (air+water) PVT collector. In this paper, the analysis of energy and exergy efficiency of PVT collectors are compiled and reviewed. This study has found that generally the energy and exergy efficiency are range from 40%-70% and 5%-20%, respectively.

A Primary Study of Tracking Photovoltaic System for Mobile Station in Malaysia Ahmad Fudholi; Lim Chin Haw; Kamaruzzaman Sopian; Ahmed Mohamed Omer Abdulmula
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 9, No 1: March 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v9.i1.pp427-432

This paper describes the performance of tracking photovoltaic (PV) system for mobile station. The system consists of tracking PV array, the battery bank, the maximum power point tracking (MPPT) controller and the DC/AC inverter). This system is the first full solar power station, which acts as pilot project by Celcom Sdn. Bhd. Success of this system shows potential of electrify rural remote area. The design is hoped to be a pioneer and acts as well-known system in order to ensure renewable energy is the future supply of electricity in far located urban area. This paper showes the record of the battery state-of-charge (SOC) as a function of time for rainy and sunny days.

Analysis of the Effect of an Installation of a Single Tuned Passive Filter on Harmonics and Distribution Transformers Zulfatri Aini; Zainal Ahnur; David Setiawan; Ahmad Fudholi
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 9, No 3: September 2018
Publisher : Institute of Advanced Engineering and Science

Non-linear loads on power systems cause harmonics and losses in distribution transformers. Results of the measurements on the two distribution transformers showed several phase transformer test-driven development (TDD) values above the standard SPLN D5.004-1: 2012. The values were 5.58% in the phase transformer, T 1 and 5.48% and 6.10% in S and T phases of the second transformer, respectively. In the calculations, the transformer losses due to harmonic currents were 1.64 kW in the phase transformer T 1, and 1.64 kW and 1.82 kW in the S and T phases of transformer 2, respectively. Designing a single-tuned passive filter based on the characteristics of the current, voltage, power, and power factor in the phase transformer with a value above the TDD standard can reduce the harmonics and losses. A filter with different specifications in each filtered phase transformer was obtained. The filter reduced the TDD value on the phase transformer T 1 to 3.55% and to 3.88% and 3.43% on the on phase T and S phases of transformer 2. Moreover, it reduced the losses to 0.73 kW on phase transformer T 1, and 1.02 kW and 0.92 kW on the S and T phases of transformer 2.

Review on Exergy and Energy Analysis of Solar Air Heater Ahmad Fudholi; Kamaruzzaman Sopian
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 9, No 1: March 2018
Publisher : Institute of Advanced Engineering and Science

Solar air heater (SAH), which is the most essential component of solar drying systems, receive solar energy and convert it into thermal energy. This review presents descriptions and previous works conducted on performances analysis of SAHs. Exergoenviroeconomic, exergoenvironmental, environmental, and exergy analyses are also presented. In addition, results on the performances of SAHs are summarized. The exergy and energy efficiencies of SAHs at laboratorium testing range from 8% to 61% and from 30% to 79%, respectively.

Theoretical approach model of building integrated photovoltaic thermal air collector Ahmad Fudholi; Muhammad Zohri; Ivan Taslim; Merita Ayu Indrianti; Intan Noviantari Manyoe
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 11, No 2: June 2020
Publisher : Institute of Advanced Engineering and Science

Over recent years the photovoltaic technology has obtained signiﬁcant development, especially in building integrated photovoltaic thermal (BIPVT) system. Photovoltaic thermal (PVT) air collectors are advantageous because of their efficiency. Various studies have been conducted to determine the ideal parameters of PVT air collectors. Few theoretical approach models of PVT air collector systems were used to help detect occurrences in a PVT collector system and calculate the optimal parameters. The heat transfer and energy balance of PVT air collectors were analysed and reviewed based on the model, quantity of cover, channels and forms of the collector. A mathematical model was developed to describe actual working situations and to examine new shut PVT collectors. The first law of thermodynamics is the principal equation in the model. Different analysis methods were utilised to evaluate PVT performances, which are generally based on energy and exergy analyses. This review focuses on theoretical approach model of single-pass PVT air collector.

Co-Authors - Andasuryani Abrar Ridwan Abu Bakarr Momodu Bangura Achmad, Alamsyah Adnan Ibrahim Agus Junaedi Agus Risdiyanto Agus Risdiyanto Ahmad Fazlizan Abdullah Ahmad Rajani Ahmad Rajani Ahmad Rajani Ahmad, Nasarudin Ahmed Mohamed Omer Abdulmula Ahyar Ahmad Amanda Halim Amiral Aziz Andri Joko Purwanto Andri Setiawan Anjar Susatyo Anjar Susatyo Ant. Ardath Kristi Ant. Ardath Kristi Anwar Anwar Anwar Muqorobin Apriwandi . Ari Pani Desvina Ari Pani Desvina Arief Sudarmaji Arief Wisaksono Arifin, Muhammad Subhan Asep Rachmat, Asep Awaludin Martin Azizatun Nikmah, Nur Sani Bahtiar Bahtiar Bahtiar, Bahtiar Bambang Susanto Bambang, Muhammad Refo Bangura, Abu Bakarr Momodu Budi Prawara Budi Prawara Burhanuddin, Fachrurrazi Chan Hoy Yen Cheku Nurul Aisyah Chitraningrum, Nidya Cintopa Satria Adepradana Cipta Endyana Dalila Mat Said Dalmasius Ganjar Subagio Damawidjaya Biksono Damayanti, Isniwana Darussalam, Rudi David Setiawan Desy Kartina Devita Utami Mardiani Dewi Jannati, Eidelwei Dian Andriani Erie Martides Erman Taer Erwin Susanto Faisal Mahfud Fazleena Musthafa, Mariyam Fikri Nur Rohman Fitrotun Aliyah Galih R, Sayid Ghalya Pikra Goh Li Jin Hadi Sirad, Mochammad Apriyadi Hajar Mawaddah Hanny Hafiar Hardani, H Harjono P. Santosa Harningsih Karim Hartono Hartono Hartono Hartono Haryadi Haryadi Hasna Rifdah Khairunnisa Hasnah Natsir Hazim Moria Haznan Abimanyu Haznan Abimanyu Hendri Maja Saputra Herawati Budiastuti Hernimawati Hernimawati Heru Prasetyo Husam Abdulrasool Hasan Indah Raya Intan Noviantari Manyoe Irfandi, Rizal Irfansyah, Ade Ishak, Iskandar Shah Ismail, Kamarulafizam Isniwana Damayanti Ivan Taslim Izza Anshory Jalal Assadeg Jamaaluddin Jayawarsa, A.A. Ketut Julnaidi, Julnaidi Junaedi, Agus Kadek Heri Sanjaya Kamaruzzaman Sopian Kamaruzzaman Sopian Kamaruzzaman Sopian Kamaruzzaman Sopian Kamaruzzaman Sopian Khairiah, Khairiah Kholidil Amin Komarudin, Udin Koswara, Engkos Koto, Arthur Gani Kristi, Ant. Ardath Lady Silk Moonlight Lalu Ahmad Didik Meiliyadi Lalu Darmawan Bakti, Lalu Darmawan Lia Afriyanti Nasution Lim Chin Haw M. Khadafi Somwong Majid Khan Bin Majahar Ali Majid Khan Bin Majahar Ali Majid Khan Majahar Ali Mardiansah, Fajril Mariyam Fazleena Musthafa Mariyam Fazleena Musthafa Mat Said, Dalila Merita Ayu Indrianti Moch. Rifai Mohammad Hossein Yazdi Mohd Awang Kechik Mohd Hafidz Ruslan Mohd Hafidz Ruslan Mohd Hafidz Ruslan Mohd Yusof Othman Mohd-Zawawi, Fazila Mohd. Tahir Ismail Muh. Wahyudi Muhammad Zohri Muhammad Zohri Muhammad Zohri Muhammad Zohri Muhammad Zohri Muhammad Zohri Muhammad Zohri, Muhammad Muhammad Zurhalki Mukhtar Mukhtar Mulianti Muslizainun Mustapha Mustaji Mustaji, Mustaji Mustapha, Muslizainun Nasarudin Ahmad Naseem Akhtar Nilofar Asim Nira Aulia Hanifah Nofialdi, Nofialdi Noorden, Zulkarnain Ahmad Novi Yanti Noviadi A. Rachman Noviadi Arief Rachman Novita Vindri Harini Nugroho, Muhammad Very Nur Farhana Mohd Razali Nur Farhana Mohd Razali Nurato Nurato Nurul Shahirah Binti Rukman Nurul Shahirah Binti Rukman Nurul Shahirah Binti Rukman Nurul Shahirah Rukman Nurul Syakirah Nazri PERDANA PUTERA Pierre Damien Uwitije Pola Risma Prakoso, Aji Putro Prastawa, Andhika Prastowo , Ari Agung Putri Adia Utari Putri, Rahma Lia Putu Yudhistira Budhi Setiawan Radiansah, Yadi Rahmadeni Rahmadeni Rajani, Ahmad Rakhmad Indra Pramana RD Kusumanto Rezavidi, Arya Ridho Hantoro Ridho Hantoro Ridwan Abdurrahman Ridwan Arief Subekti Ridwan Arief Subekti Ridwan Arief Subekti Ridwan Arief Subekti rifa'i, Muhammad Rifai, Moch. Rika Taslim Rudi Darussalam Rusdianasari Rusdianasari Rusdianasari Rusdianasari Rusman Rusman Sa'adah, Nila Saefudin, Deny Bayu Sakuraba, Takahiro Saleem H. Zaidi Santi Santi Santosa Santosa Sapari, Norazliani MD Saprizal Hadisaputra Sastra Kusuma Wijaya Satibi Satibi Setiyo Setiyo Sevia Mahdaliza Idrus Sofyan Sofyan Sohif Mat Sohrab Mirsaeidi Soleh, Asep Muhamad Sopian, Kamaruzzaman Sri Aulia Novita Sri Aulia Novita Stephen Phillips Subagyo Subagyo Subakir Salnus Sudibyo, Henny sudirman palaloi sudrajat sudrajat Suhanto, Suhanto Sukarwoto Surya Dailiati Susatyo, Anjar Syamsul Kurniawan Tinton Dwi Atmaja Tinton Dwi Atmaja Tinton Dwi Atmaja Tresna Dewi Tri Suyono Uce Lestari Uce Lestari Usman Usman Uwitije, Pierre Damien Wahid, Mazlan Abdul Wahyudi, Muh. Wan Nurlaila Mat Desa Wan Nurlaila Yusra Mat Desa Wirawan Piseno Yasin, Mohd Fairus Mohd Yendra, Rado Yurni Oktarina Yusof Othman, Mohd Yuyun Suprapto Zahira Yaakob Zainal Ahnur Zauhari, Azi Zeki Ahmed Darwish Zulfatri Aini

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