This paper presents a circuit based simulation model for a solar photovoltaic (PV) module to examine the estimated electrical performance parameters with the changes of environmental parameter such as solar irradiation and temperature. Modeling and simulation of a solar PV module is presented based on Shockley diode equations. The Solarex MSX 120, a typical 120W PV module is chosen for model performance evaluation. The mathematical model for the chosen module is implemented on matlab with respect to various temperatures, solar irradiations, diode quality factors and model series resistances and obtained I-V and P-V characteristics curves were compared with the manufacturer's published curves which show precise correspondence to the model.
This study explores the benefits of employing bifacial solar cells
instead of conventional silicon solar cells. When compared to
conventional solar cells, bifacial solar cells are more advantageous
since they can absorb light from both sides. The albedo from the surface
where the solar cell is attached is used by the solar cell’s back side.
A single bifacial solar module at lab scale is intended to investigate
its properties. A potato slicing device is created that uses solar
energy as a practical use of the bifacial solar cell. The bifacial solar
cell is used to absorb solar energy and charge batteries because it is
better than directly connecting a solar cell to a machine since the
current will not be stable. The battery is directly attached to the
device in order to provide non-fluctuating current. The process of
cutting potatoes into slices requires mechanical power, which takes more
time to complete. With the development of solar powered potato slicer,
this process is now possible. The potato slicer that runs on solar power
uses less time than one that runs on mechanical power, and the voltage
regulator can regulate the machine’s speed. The bifacial solar cells can
also be used for more laboratory applications.
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