Publication: A Simple Low Cost Solar Panel/cell Characterization Experiment for Senior Undergraduate Students
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2015-11-11
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Abstract
A simple low cost solar cell characterization experiment has been developed for senior undergraduate students in
the Department of Physics, University of Nairobi. Experiments were conducted with solar panels (also called
solar modules/photovoltaic modules) rated 20 W and 40 W peak power on different sunny days on the roof top
of Physics Department, University of Nairobi. It was observed that the current- voltage (I-V) curves obtained for
all the measurements for each panel were comparable. The fill factor (FF), short circuit current (Isc), open circuit
voltage (Voc), current at maximum power point (Im) and voltage at maximum power point (Vm) were within
acceptable margins when compared with the manufacturer’s rated values, an indication of the reliability and
accuracy of the method. The method eliminates the need for expensive characterization equipment like solar
simulators, unaffordable by many developing country institutions. The experiment is recommended for senior
undergraduate students with an interest in renewable energy as one way of introducing them to renewable energy.
The experiment may also help in arousing the learner’s interest in solar energy.
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University of Nairobi