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All Journal International Journal of Applied Power Engineering (IJAPE) Bulletin of Electrical Engineering and Informatics
Mohamad Zhafran Hussin
Universiti Teknologi MARA
Electrical & Electronics Engineering

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Performance of Grid-connected Photovoltaic System in Equatorial Rainforest Fully Humid Climate of Malaysia Mohamad Zhafran Hussin; A. M. Omar; Z. M. Zain; S. Shaari
International Journal of Applied Power Engineering (IJAPE) Vol 2, No 3: December 2013
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (342.918 KB) | DOI: 10.11591/ijape.v2.i3.pp105-114

Abstract

This paper presents a result obtained from a comparative study among three different photovoltaic (PV) module technologies for grid-connected photovoltaic system (GCPV) under Malaysia’s real operating conditions. The obtained results were slightly different from the performance ratio (PR) investigation which showed the average annual performance of 78.2% for polycrystalline, 94.6% for a-Si thin-film and 81% for monocrystalline PV technologies over four years monitored period. The outdoor evaluation results showed that a-Si thin-film PV modules demonstrate the highest and better in terms of final yield, performance ratio and PV array/system efficiency over the entire monitored period. In other hands, a-Si thin-film demonstrated the reliability and better in system performance
Integration of LED-based lighting in academic buildings for energy efficiency considerations Mohamad Zhafran Hussin; Saiful Firdaus Abdul Shukor; Nor Diyana Md Sin; Yusrina Yusof; Muhammad Zairil Muhammad Nor; Noor Hasliza Abdul Rahman
Bulletin of Electrical Engineering and Informatics Vol 10, No 1: February 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v10i1.2513

Abstract

This paper presents an assessment by integration of LED T8 tube lamps in academic buildings for energy efficiency considerations. The proposed project was implemented in conjunction with a national mission, national energy efficiency action plan (NEEAP) for 10-year implementation period of 2016-2025 in reducing allocation on subsidies for efficient expenditure towards energy-saving measures. A case of study in a real environment at one of the UiTM’s buildings as a target task area has been tested by replacing a LED lighting technology in consideration of current operating costs and power factor performances. From the results, LED T8 tubes have shown a better power factor of 0.89 compared to fluorescent lamps with about 0.61 and primarily driven by economic benefits in terms of cost savings of up to 50% with return-on-investment (ROI) 6 months after installation. By integrating this technology, nearly 50% of the total energy consumption in indoor lighting system could be significantly saved, thus reducing the total cost of electricity bills in the future within the target area.
Co-Authors A. M. Omar Muhammad Zairil Muhammad Nor Noor Hasliza Abdul Rahman Nor Diyana Md Sin S. Shaari Saiful Firdaus Abdul Shukor Yusrina Yusof Z. M. Zain