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At present, the use of small roof-mounted photovoltaic systems is increasingly popular, so the development of a sun tracker to increase the efficiency of the photovoltaic system is essential. In this paper, we give the size analysis of a linear actuator and also its selection method for a single-axis tracker. In addition, we also provide the analysis of the power and energy of the linear actuator and its controller on a typical sunny day.

A SIMPLIFIED CALCULATION METHOD OF ELECTRIC LINEAR ACTUATORS FOR SINGLE-AXIS SUN TRACKER