Abstract
This paper developed a theoretical model substantially based on the principle that only the normal component of solar radiation is actually converted into electrical energy. This theoretical model helped to predict minimum and maximum daily energy gain (compared to static PV system tilted with certain angle) when using dual axis PV solar tracking systems, at any given location on earth without prior experimental data. Based on equations derived from model, minimum and maximum energy gain is computed and summarized in tables of minimum and maximum. Furthermore, the model equations could be used to set up future experimental studies related to the matter.
Highlights
The tracking mechanism is an electromechanical system that ensures solar radiation is always perpendicular to the surface of photovoltaic cells which maximize energy harnessing [1]
This paper developed a theoretical model substantially based on the principle that only the normal component of solar radiation is converted into electrical energy
[1] designed and built a hybrid solar tracking system whose energy efficiency was compared to continuous solar tracking systems in terms of power consumption; afterwards energy gain comparisons are performed between the four basic solar trackers: hybrid, continuous, single axis solar trackers and static tilted PV systems
Summary
The tracking mechanism is an electromechanical system that ensures solar radiation is always perpendicular to the surface of photovoltaic cells which maximize energy harnessing [1]. There are mainly two types of solar trackers based on the basis of their movement degrees of freedom [1]. These are single axis solar tracker and dual axis solar tracker [1]. The literature is rich in solar trackers design models developed and experimented [1]-[11]. [1] designed and built a hybrid solar tracking system whose energy efficiency was compared to continuous solar tracking systems (dual axis solar tracker) in terms of power consumption (due to actuators/motors); afterwards energy gain comparisons are performed between the four basic solar trackers: hybrid, continuous (dual), single axis solar trackers and static tilted PV systems. (2013) Comparison of Efficiencies of Solar Tracker Systems with Static Panel Single Axis Tracking System and Dual Axis Tracking System with Fixed Mount.
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