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Journal article
The contribution of dust to performance degradation of PV modules in a temperate climate zone
Solar Energy, Vol.120, pp.147-157
2015
Abstract
This research investigates the contribution of dust to the long-term performance degradation of various photovoltaic (PV) modules that have been operating for almost eighteen years without any cleaning procedures at the Renewable Energy Outdoor Testing Area (ROTA), Murdoch University, Perth, Australia. A solar module analyser was used to assess the PVs' electrical performance, while a combination of spectrophotometer, scanning electron microscope, electron dispersive spectroscope and X-ray diffraction were used to exam the properties of the dust on the panels. The study found that the degradation of the PV modules' power output, ranged from 19% to 33%. The degradation is mostly due to non-dust related factors such as corrosion, delamination, and discoloration, which account about 71-84%, although the contribution of dust is still significant at 16-29%. Anova analysis shows that the dust has a fairly uniform impact on the performance degradation of all PV technologies at ROTA. This is in line with the results of spectral transmittance curves for different dust density samples that essentially flat over the wavelength range of the PV modules. An investigation of the properties of dust revealed that dust particles deposited on PV modules' surface at ROTA were dominated by fine particles built of large amounts of quartz (SiO2), followed by calcium oxide (CaO) and some minors of feldspars minerals (KAlSi3O8), which are the main factors in transmittance losses that affect PV module performance.
Details
- Title
- The contribution of dust to performance degradation of PV modules in a temperate climate zone
- Authors/Creators
- J. Tanesab (Author/Creator) - Murdoch UniversityD. Parlevliet (Author/Creator) - Murdoch UniversityJ. Whale (Author/Creator) - Murdoch UniversityT. Urmee (Author/Creator) - Murdoch UniversityT. Pryor (Author/Creator) - Murdoch University
- Publication Details
- Solar Energy, Vol.120, pp.147-157
- Publisher
- Elsevier BV
- Identifiers
- 991005545436507891
- Copyright
- © 2015 Elsevier Ltd.
- Murdoch Affiliation
- School of Engineering and Information Technology
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 4 Electrical Engineering, Electronics & Computer Science
- 4.18 Power Systems & Electric Vehicles
- 4.18.575 Photovoltaic Systems
- Web Of Science research areas
- Energy & Fuels
- ESI research areas
- Engineering