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All Journal Transmisi: Jurnal Ilmiah Teknik Elektro TRANSIENT: Jurnal Ilmiah Teknik Elektro Prosiding Seminar Nasional Teknoka Justek : Jurnal Sains Dan Teknologi International Journal of Basic and Applied Science Jurnal Energi Baru dan Terbarukan Engineering and Technology International Journal (EATIJ) West Science Interdisciplinary Studies West Science Interdisciplinary Studies SmartComp The Eastasouth Journal of Information System and Computer Science Science Information System and Technology West Science Nature and Technology Journal of Moeslim Research Technik
Enda Wista Sinuraya
Departemen Teknik Elektro, Universitas Diponegoro Semarang Jl. Prof. Sudharto, SH, Kampus UNDIP Tembalang, Semarang 50275, Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Physics Social Sciences

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Journal : science information system and technology

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The Effect of Temperature and Weather Conditions on the Performance of Photovoltaic Modules in Tropical Indonesia ZM, Ajub Ajulian; Sinuraya, Enda Wista; Winardi, Bambang
West Science Information System and Technology Vol. 3 No. 01 (2025): West Science Information System and Technology
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsist.v3i01.1870

Abstract

This study explores the effect of temperature and weather conditions on the performance of photovoltaic (PV) modules in tropical Indonesia, utilizing a qualitative approach with interviews from five solar energy professionals. The research identifies key environmental factors such as high temperatures, humidity, and rainfall as significant influences on PV module efficiency. Participants noted that elevated temperatures reduce energy output by causing thermal losses, while high humidity and rainfall lead to dust accumulation and reduced sunlight exposure, further affecting efficiency. Additionally, challenges related to corrosion and dust accumulation were highlighted, particularly in coastal and inland regions. The study also suggests various strategies, including the use of anti-reflective coatings, cooling systems, and optimal panel placement, to mitigate these effects. Regional variations in climate necessitate site-specific maintenance and design strategies. This research provides important insights into optimizing PV system performance in tropical climates and emphasizes the need for tailored approaches in PV design and maintenance.
The Effect of System Security and User Trust on Online Transaction Decisions in E Commerce Bambang Winardi; Ajub Ajulian ZM; Enda Wista Sinuraya
West Science Information System and Technology Vol. 4 No. 01 (2026): West Science Information System and Technology
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsist.v4i01.2777

Abstract

This study aims to analyze the influence of system security and user trust on online transaction decisions in e-commerce in Indonesia. A quantitative research approach was employed, with data collected from 75 respondents using a structured questionnaire based on a Likert scale. The sampling technique used was purposive sampling, targeting individuals who have experience in conducting online transactions. Data were analyzed using SPSS version 25, including validity and reliability tests, classical assumption tests, and multiple linear regression analysis. The results show that system security and user trust have a positive and significant effect on online transaction decisions, both partially and simultaneously. System security also has a significant effect on user trust, indicating its role as a fundamental factor in building consumer confidence. The regression analysis reveals that system security and user trust significantly influence transaction decisions, with an adjusted R² value of 0.491. This indicates that 49.1% of the variation in online transaction decisions can be explained by the two variables. The findings suggest that enhancing security systems and strengthening user trust are essential strategies for e-commerce platforms to improve consumer participation and transaction behavior in Indonesia.
Co-Authors Afrisal, Hadha Agiato, Bagus Agra Satwiko Mahardhika Agung Nugroho Agung Nugroho Ajub Ajulian ZM Ajub Ajulian ZM Ajub Ajulian ZM Alfan Yahya Al Ghifari Alfredo Bastianta Bukit Alwin Indra Fatra Andromeda, Trias Andy Purnama Nurhatta Aris Triwiyatno Bambang Winardi Budi . Setiyono Budi Setiyono Darell Mahardhika Denis Denis Denis Denis Denis Ginting Eko Handoyo Eko Handoyo Erlin Dolphina Evan Hafidzudin Elinda Gabriella Bintang Sitanggang Geovany Rachman Wacono, Geovany Rachman Gogor Christmass Setyawan Gregorius Mariyanto Pasaribu Hanif Muhammad Irsyad Hardito Susastrio Hikma Sisintito I Gusti Made Andi Damara Imam Arifan Nurdani Imam Santoso Iwan Setiawan Jaka Windarta Justina Keriahen Sembiring, Justina Keriahen Karnoto . Karnoto Karnoto Maman Somantri Mochammad Facta Muhammad Diaz Reynaldo Apriano Muhammad Fauzan Suryawijaya Muhammad Irfan Muhammad Izzy Ramadhan Natanael Benino Natanael Benino Tampubolon, Natanael Benino Nico Kurniawan Nurhadi Nurhadi Nurul Ifan Purba Panjaitan, Joshua Harbangan Dharmarakel Paul Hendry Ginting Paul Henry Ginting R. Rizal Isnanto Rivaldi Juswan Santoso, Imam Sudjadi Sudjadi Sukiswo Sukiswo Suslamet Suslamet Tedjo Sukmadi Tejo Sukmadi Tejo Sukmadi Valih Aqila Dhiya Vikrin William Dwianugrah Tambunan Yosua Alvin Adi Soetrisno Yosua Alvin Adi Soetrisno Yuanis Yuanis Zahirah Ahlami Zain Nizam Zwingli Hilkia Batubara