Performance Evaluation of Photovoltaic System in Humid Atmosphere

Abstract:

The photovoltaic system converts electrical energy from solar radiation energy. It is preferable because it has no moving parts and low pollution to the environment. The performance of photovoltaic system has been decided with environmental aspects apart from the photovoltaic system specifications and incident solar radiation. In this research, the influence of relative humidity on photovoltaic system is considered for evaluating the performance and to draw the characteristic curves during winter (December and January) period. The photovoltaic system which installed at Chennai city, India, is exposed to high relative humidity even during winter season. The 3kW photovoltaic system behaviour is considered and measures the photovoltaic output voltage and output current with the effect of relative humidity. The performance curves shows that high relative humidity reduces the output voltage and current from photovoltaic system. It is same as the influence of other adverse environmental factors to degrade the operation and life span of photovoltaic system.

• Periodical: Applied Mechanics and Materials (Volume 787)
• Pages: 57-61
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.787.57
• Online since: August 2015
• Authors: Dhass Avithi Desappan*, Elumalai Natarajan, Lakshmi Ponnusamy
• Keywords: Environmental Factor, Output Current, Output Voltage, Photovoltaic System, Relative Humidity

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