Experimental study of dust deposition influences on building integrated photovoltaic array

Wenjun Zhao; Hao Lu

doi:10.1117/12.3050464

12 December 2024 Experimental study of dust deposition influences on building integrated photovoltaic array

Wenjun Zhao, Hao Lu

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Proceedings Volume 13419, Tenth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2024); 134190X (2024) https://doi.org/10.1117/12.3050464
Event: Tenth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2024), 2024, Lhasa, China

Abstract

This experimental study investigates the significant impact of airborne dust deposition on the efficiency of building-integrated photovoltaic (BIPV) arrays. By examining factors influencing dust accumulation and its subsequent effects on photovoltaic (PV) performance, the research aims to optimize BIPV array configurations for improved long-term efficiency. The experiment utilized a controlled setup consisting of a 3-row by 2-column BIPV array subjected to varying wind velocities (0.13m/s to 0.65m/s) and inter-module spacing to simulate realistic dust deposition behaviors. The findings demonstrate a direct correlation between increased wind velocity and the amount of dust settling on PV panels, with higher velocities resulting in more substantial dust accumulation, particularly on front-row panels due to gravitational effects on larger dust particles. This increased dust deposition leads to a notable reduction in PV power output, with the most significant losses observed in the front row, diminishing towards the rear. Additionally, the study highlights the critical role of module spacing; at a constant wind velocity of 0.13m/s, greater spacing between rows resulted in varying degrees of dust accumulation and corresponding power loss. The experimental design included a dust deposition simulation platform, enabling precise control over environmental variables such as wind speed. The research underscores the necessity for optimized module placement to mitigate dust-related efficiency losses, ultimately improving the long-term performance and reliability of BIPV arrays.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Wenjun Zhao and Hao Lu "Experimental study of dust deposition influences on building integrated photovoltaic array", Proc. SPIE 13419, Tenth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2024), 134190X (12 December 2024); https://doi.org/10.1117/12.3050464

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KEYWORDS

Solar cells

Photovoltaics

Solar energy

Particles

Sustainability

Lutetium

Design

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