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All Journal Bulletin of Electrical Engineering and Informatics Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Indonesian Journal of Electrical Engineering and Computer Science ABSYARA: Jurnal Pengabdian Pada Masyarakat
Muhammad Zohri
Universitas Islam Negeri Mataram
Agriculture, Biological Sciences & Forestry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Environmental Science Library & Information Science Mathematics Other

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Indoor and outdoor investigation comparison of photovoltaic thermal air collector Bahtiar Bahtiar; Muhammad Zohri; Ahmad Fudholi
Bulletin of Electrical Engineering and Informatics Vol 9, No 4: August 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (519.037 KB) | DOI: 10.11591/eei.v9i4.2108

Abstract

Photovoltaic technology is one of renewable energy technology very hopeful, especially photovoltaic thermal system or PVT system. A PVT system solar air collector produces hot air and electricity simultaneously. In this study, indoor and outdoor investigation comparison of PVT system solar air collector has tested at the National University of Malaysia. The indoor and outdoor investigation conducted with variation mass flow rates from 0.01 kg/s to 0.05 kg/s at the solar intensity of 820 W/m2. Indoor and outdoor evaluation is conducted to precisely evaluate the performance improvement theorized by the researcher. The comparison between the indoor and outdoor outcome purposed to confirm each testing and attraction decision. The outdoor investigation outcomes were agreement with indoor results. Indoor investigation outcomes reliably with outdoor investigation outcomes indicated by accuracy results.
Electrical Characteristic Analysis of Photovoltaic Thermal With And Without ∇-Groove Absorber Saprizal Hadisaputra; Muhammad Zohri; Ahmad Fudholi
Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Vol 9, No 1: March 2021
Publisher : IAES Indonesian Section

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52549/ijeei.v9i1.1687

Abstract

The photovoltaic thermal (PVT) system is an up-and-coming renewable energy technology that simultaneously produces thermal and electrical energy. The objective of this paper is to improve the electrical efficiency of the photovoltaic thermal system with and without ∇-groove absorber. This study is an experimental investigation under an indoor solar simulator at The National University of Malaysia. The electrical characteristic of the PVT system is characterized by the scheming current (A), voltage (V), power (W) curves. The solar intensity and mass flow rate affected the electrical characteristic. The increase of produced power and electrical efficiency is caused by increasing the solar intensity and mass flow rate. The comparison between ∇-groove absorber and without ∇-groove absorber shows that the use of ∇-absorber can increase electrical efficiency.
Experimental investigation of photovoltaic thermal solar air collector with exergy performance comparison Bahtiar Bahtiar; Muhammad Zohri; Ahmad Fudholi
Indonesian Journal of Electrical Engineering and Computer Science Vol 19, No 2: August 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v19.i2.pp652-658

Abstract

The integration of photovoltaic technology and solar air collector is named a photovoltaic thermal (PVT) system. PVT system generates electricity as pumping power to fan DC and produces thermal energy together with to cooling PV panel. The experimental with the indoor and outdoor evaluation of PVT solar air collector have been compared at the chosen solar intensity of 820 W/m2. The mass flow rate is range from 0.01 kg/s to 0.05 kg/s. The exergy and efficiency exergy accuracy of PVT solar air collector between indoor and outdoor evaluation are 98.42%, 98.11% respectively. The exergy and exergy efficiency comparison results indicated that the indoor and outdoor investigation is suitable. 
Pelatihan peningkatan kemampuan komputer, internet dan aplikasi desa Muhammad Ghazali; Muhammad Zohri; Wahyu Ramadhan; Jamaluddin Jamaluddin
ABSYARA: Jurnal Pengabdian Pada Masayarakat Vol 3, No 2 (2022): ABSYARA: Jurnal Pengabdian Pada Masyarakat
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/ab.v3i2.6802

Abstract

Operating a computer as a data processor is needed in all fields. One of the fields that must master Information Technology, and Communication (ITC) skills is the field of government, from the central government to the village government. It is crucial to upgrade the capabilities of computers for village officials because, currently, all data is computerized. The purpose of this community service is to help improve the computer/laptop and internet skills of village staff, especially in Perampuan Village, Labuapi District, West Lombok Regency, NTB. The stages in this service are: analyzing service problems; second, preparing service material; third, carrying out service; and fourth, reporting or post-service activities. The results show increased participant ability on computers and the internet. The participants were enthusiastic about the training on making Google Drive, Google Docs, and Google Spreadsheets because this was the first training they had received. Because creating Google Drive, Google Docs, and Google Spreadsheets is necessary for village services, especially in an era when all residents have smartphones, and all data must now be cloud-based. The village head and the training participants hope the Mataram UIN lecturer service team will still be scheduled to carry out a community service program because the village really needs this service. The participants also suggested that they spend more time so that they are more flexible in the teaching and learning process
Co-Authors Ahmad Fudholi Ahmad Fudholi Bahtiar, Bahtiar Jamaluddin Jamaluddin Muhammad Ghazali Saprizal Hadisaputra Wahyu Ramadhan