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All Journal International Journal of Electrical and Computer Engineering International Journal of Renewable Energy Development
Al Shaba'an, Ghadeer Nyazi
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Chemistry Computer Science & IT Electrical & Electronics Engineering Energy

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Impact of Accumulated Dust on Performance of Two Types of Photovoltaic Cells: Evidence from the South of Jordan Marashli, Abdullah; Al Shaba'an, Ghadeer Nyazi; Al-Twaissi, Waed; Shalby, Mohammad; Al-Rawashdeh, Hani
International Journal of Renewable Energy Development Vol 11, No 2 (2022): May 2022
Publisher : Center of Biomass & Renewable Energy, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.2022.42625

Abstract

This paper examines the impact of accumulated dust on two types of photovoltaic (PV) cells in the performance of solar panels facility located in the southern part of Jordan between January to August 2020.  To determine the performance of the solar PV panel system, two elements have been considered: sun radiation total efficiency and output power generated from the two types of the PV panel. Results of the study revealed that the mass of dust accumulated on the polycrystalline panel accumulated faster than on the cadmium telluride panel at a rate of 10.5 g/m2 for polycrystalline panels and 8.4g/m2 for cadmium telluride panel. Furthermore, results indicated that the projected drop in the efficiency of washed and unwashed polycrystalline panels decreased monthly by 5% and 16% respectively, while the efficiency of washed and unwashed cadmium telluride panels decreased monthly by 5% and 11.5% respectively. In the same context, results indicated that the wind speed, concentration rate, and relative humidity increased by 3%, 5%, and 8% respectively whereas the ambient temperature decreased by 4% monthly. On the other hand, the size and charge of accumulated dust on the cadmium telluride panel surface were larger than the size and charge of dust on the polycrystalline panel surface with a high percent of (Si) and low percent of (Ca) and (Fe). This research contributes to the literature by providing empirical evidence for the impact of accumulated dust on PV panels applied on a dusty-weather such as the one in the southern part of Jordan.
Estimation of harmonic impedance and resonance in power systems Alashaary, Haitham Ali; Al Shaba'an, Ghadeer Nyazi; Abu Shehab, Wael Fawzi; Ali, Shehab Abdulwadood
International Journal of Electrical and Computer Engineering (IJECE) Vol 15, No 1: February 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v15i1.pp67-75

Abstract

Since power systems are designed to work at the fundamental frequency, the presence of other frequencies from various sources may induce series and parallel resonances, leading to damage. The behavior of the power system in the presence of harmonics becomes evident with knowledge of harmonic impedance. Measurement offers the most accurate means of estimating harmonic impedance. However, when precise data of the power system parameters are available, highly satisfactory results can be achieved through calculation methods, particularly regarding loads, which are unknown and always change. This paper presents a study on estimating harmonic impedance using the Electromagnetic Transients Program Alternative Transient Program Draw (EMTP-ATPDraw) program, applied to an authentic network of Petrovice line 67, 22/0.4 kV, located in the Czech Republic. Hypothetically, the network was subjected to harmonic injection from a source (3rd, 5th, 7th, 9th, and 11th harmonics), and the harmonic impedance was calculated for three different variants: individual harmonics, all harmonics, and all except the 9th harmonic. The results show that the presence of the 9th harmonic can lead to a parallel resonance. This study is the first to employ EMTP-ATPDraw for programming this network. It gives the possibility to create a network database for different operating conditions, offering an asset for future project planning.
Co-Authors Abu Shehab, Wael Fawzi Al-Rawashdeh, Hani Al-Twaissi, Waed Alashaary, Haitham Ali Ali, Shehab Abdulwadood Marashli, Abdullah Shalby, Mohammad