Abstract
Nowadays, with the increased proliferation of nonlinear loads used in the ship's power systems, the issue of improving and maintaining the power quality is rising as well. The caused deterioration can lead to disturbance in the operation of the electrical equipment and overall disruption of the system stability. To avoid these consequences, different approaches, such as the application of passive, active filters, or other devices, can be used. The present paper describes the implementation of a shunt active power filter (SAPF) with a p-q theory-based control system in a ship's electrical power system, aiming to reduce the total harmonic distortion (THD) at the point of common coupling (PCC) of nonlinear loads. By proposition of an accurate mathematical model of a ship's power system and simulation of different case studies, the disturbance in the system with and without SAPF connected is observed and analyzed.
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