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All Journal International Journal of Applied Power Engineering (IJAPE) TELKOMNIKA (Telecommunication Computing Electronics and Control) Journal of Multidisciplinary Academic Jurnal Sains dan Teknologi Reaksi Aviation Electronics, Information Technology, Telecommunications, Electricals, and Controls (AVITEC) Indonesian Journal of Electrical Engineering and Computer Science Jurnal Malikussaleh Mengabdi Horizon: Indonesian Journal of Multidisciplinary
Nelly Safitri
Politeknik Negeri Lhokseumawe
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Social Sciences Other

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Performance Comparison of Pure and Modified Sine Wave Inverters in an Off-Grid PV System Nelly Safitri; Rudi Syahputra; Supri Hardi; Saifuddin Muhammad Jalil
Aviation Electronics, Information Technology, Telecommunications, Electricals, and Controls (AVITEC) Vol 8, No 1 (2026): February
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/avitec.v8i1.3810

Abstract

This study evaluates the performance of Pure Sine Wave (PSW) and Modified Sine Wave (MSW) inverters within small-scale off-grid solar power generation systems. The assessment was conducted utilizing a 160 Wp monocrystalline solar panel, a 10 A solar charge controller (SCC), a 12.8 V–100 Ah lithium iron phosphate (LiFePO₄) battery, along with both 500 W PSW and MSW inverters, across varying panel tilt angles ranging from 45°-165°. The findings indicated that the PSW inverter delivered a more consistent output voltage between 221 and 222 V, exhibiting minimal fluctuation of ±1 V and low harmonic distortion at 2.5%. The MSW inverter produced an output voltage between 222 and 225.5 V, characterized by greater variability and higher harmonic distortion under both light and heavy load conditions. The analysis of the solar photovoltaic (PV) system provides critical insights into the performance differences between the two inverter types. Notably, the results related to tilt angle are not merely supplementary; they serve as indicators of varying irradiance conditions, enabling a more comprehensive evaluation of inverter performance concerning fluctuations in input power levels. Both PSW and MSW inverters achieved an efficiency rating of 85%, ensuring stable and smooth outputs. However, with regard to long-term reliability, the PSW inverter significantly surpasses its counterpart, rendering it a more appropriate choice for permanent solar PV installations. As the results, the PSW inverter is particularly suited for sensitive loads that demand high power quality, while the MSW inverter remains viable for less demanding applications when the cost is considered.
Co-Authors A. M. Shiddiq Yunus Aida Safitri Akhyar Akhyar Anita Fauziah Awanis Ilmi Een Setiawati Elwina Fachraniah, Fachraniah Fauzan Fauzan Fauzi Fauzi Hardi, Supri Hasibuan, Rahmawaty Hismendi Jamaluddin Jamaluddin Muhammad Arhami Muhammad Nasir Naziruddin Naziruddin Nurhanifa Aidy Rachmawati Rachmawati Radhiah Radhiah Ridwan Ridwan Rika Annisa Rizal Syahyadi Rudi Syahputra Saifuddin Muhammad Jalil Siti Amra Sukamto, Ika Sumiyarsi Supri Hardi Suprihardi Suprihardi Suprihardi Suprihardi Syafruddin Syafruddin Teuku Hasannuddin Teuku Rihayat Usmardi Usmardi Yaman Yaman Yaman Yaman, Yaman Yassir Yassir Yevi Dwitayanti Zamzami Zulfikar Zulfikar