A review of measurement and analysis of electric power quality on shipboard power system networks

Electric power quality is an important aspect of increasing concern in power system networks in ships. A poor power quality not only affects the performance of the ship׳s electrical installations, but it also greatly affects the efficient use of energy, the security of navigation and the safety of life at sea. This paper presents an extensive critical literature review of the main contributions in the principal aspects of power quality in ships. Voltage and frequency fluctuations, voltage dips and swells, transients and voltage notching, fault detection and classification, harmonic distortion and voltage imbalance are reviewed and discussed. Finally, power quality instrumentation and power quality regulations for electrical installations in ships are also considered.